diff --git a/.eslintrc b/.eslintrc
new file mode 100644
index 0000000..af736ed
--- /dev/null
+++ b/.eslintrc
@@ -0,0 +1,23 @@
+{
+ "rules": {
+ "indent": [
+ 2,
+ "tab"
+ ],
+ "strict": 0,
+ "no-console": 0,
+ "quotes": [
+ 2,
+ "double"
+ ],
+ "semi": [
+ 2,
+ "always"
+ ]
+ },
+ "env": {
+ "browser": true,
+ "node":true
+ },
+ "extends": "eslint:recommended"
+}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 6e29e8e..8f6f65f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
localtesting/*
node_modules/
+*.iml
+*.ipr
+*.iws
+dist/
diff --git a/dist/simplemde.min.css b/dist/simplemde.min.css
deleted file mode 100644
index 8980444..0000000
--- a/dist/simplemde.min.css
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * simplemde v1.7.5
- * Copyright Next Step Webs, Inc.
- * @link https://github.com/NextStepWebs/simplemde-markdown-editor
- * @license MIT
- */
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pre{-moz-border-radius:0;-webkit-border-radius:0;border-radius:0;border-width:0;background:0 0;font-family:inherit;font-size:inherit;margin:0;white-space:pre;word-wrap:normal;line-height:inherit;color:inherit;z-index:2;position:relative;overflow:visible;-webkit-tap-highlight-color:transparent}.CodeMirror-wrap pre{word-wrap:break-word;white-space:pre-wrap;word-break:normal}.CodeMirror-linebackground{position:absolute;left:0;right:0;top:0;bottom:0;z-index:0}.CodeMirror-linewidget{position:relative;z-index:2;overflow:auto}.CodeMirror-code{outline:0}.CodeMirror-gutter,.CodeMirror-gutters,.CodeMirror-linenumber,.CodeMirror-scroll,.CodeMirror-sizer{-moz-box-sizing:content-box;box-sizing:content-box}.CodeMirror-measure{position:absolute;width:100%;height:0;overflow:hidden;visibility:hidden}.CodeMirror-cursor{position:absolute}.CodeMirror-measure pre{position:static}div.CodeMirror-cursors{visibility:hidden;position:relative;z-index:3}.CodeMirror-focused 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#ddd;border-bottom-left-radius:4px;border-bottom-right-radius:4px;padding:10px;font:inherit}.CodeMirror-fullscreen{background:#fff;position:fixed!important;top:50px;left:0;right:0;bottom:0;height:auto;z-index:9}.CodeMirror-sided{width:50%!important}.editor-toolbar{position:relative;opacity:.6;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;-o-user-select:none;user-select:none;padding:0 10px;border-top:1px solid #bbb;border-left:1px solid #bbb;border-right:1px solid #bbb;border-top-left-radius:4px;border-top-right-radius:4px}.editor-toolbar:after,.editor-toolbar:before{display:block;content:' ';height:1px}.editor-toolbar:before{margin-bottom:8px}.editor-toolbar:after{margin-top:8px}.editor-toolbar:hover,.editor-wrapper input.title:focus,.editor-wrapper input.title:hover{opacity:.8}.editor-toolbar.fullscreen{width:100%;height:50px;overflow-x:auto;overflow-y:hidden;white-space:nowrap;padding-top:10px;padding-bottom:10px;box-sizing:border-box;background:#fff;border:0;position:fixed;top:0;left:0;opacity:1;z-index:9}.editor-toolbar.fullscreen::before{width:20px;height:50px;background:-moz-linear-gradient(left,rgba(255,255,255,1) 0,rgba(125,185,232,.01) 100%);background:-webkit-gradient(linear,left top,right top,color-stop(0,rgba(255,255,255,1)),color-stop(100%,rgba(125,185,232,.01)));background:-webkit-linear-gradient(left,rgba(255,255,255,1) 0,rgba(125,185,232,.01) 100%);background:-o-linear-gradient(left,rgba(255,255,255,1) 0,rgba(125,185,232,.01) 100%);background:-ms-linear-gradient(left,rgba(255,255,255,1) 0,rgba(125,185,232,.01) 100%);background:linear-gradient(to right,rgba(255,255,255,1) 0,rgba(125,185,232,.01) 100%);filter:progid: DXImageTransform.Microsoft.gradient( startColorstr='#ffffff', endColorstr='#037db9e8', GradientType=1);position:fixed;top:0;left:0;margin:0;padding:0}.editor-toolbar.fullscreen::after{width:20px;height:50px;background:-moz-linear-gradient(left,rgba(125,185,232,.01) 0,rgba(254,254,255,1) 99%,rgba(255,255,255,1) 100%);background:-webkit-gradient(linear,left top,right top,color-stop(0,rgba(125,185,232,.01)),color-stop(99%,rgba(254,254,255,1)),color-stop(100%,rgba(255,255,255,1)));background:-webkit-linear-gradient(left,rgba(125,185,232,.01) 0,rgba(254,254,255,1) 99%,rgba(255,255,255,1) 100%);background:-o-linear-gradient(left,rgba(125,185,232,.01) 0,rgba(254,254,255,1) 99%,rgba(255,255,255,1) 100%);background:-ms-linear-gradient(left,rgba(125,185,232,.01) 0,rgba(254,254,255,1) 99%,rgba(255,255,255,1) 100%);background:linear-gradient(to right,rgba(125,185,232,.01) 0,rgba(254,254,255,1) 99%,rgba(255,255,255,1) 100%);filter:progid: DXImageTransform.Microsoft.gradient( startColorstr='#037db9e8', endColorstr='#ffffff', GradientType=1);position:fixed;top:0;right:0;margin:0;padding:0}.editor-toolbar a{display:inline-block;text-align:center;text-decoration:none!important;color:#2c3e50!important;width:30px;height:30px;margin:0;border:1px solid transparent;border-radius:3px;cursor:pointer}.editor-toolbar a.active,.editor-toolbar a:hover{background:#fcfcfc;border-color:#95a5a6}.editor-toolbar a:before{line-height:30px}.editor-toolbar i.separator{display:inline-block;width:0;border-left:1px solid #d9d9d9;border-right:1px solid #fff;color:transparent;text-indent:-10px;margin:0 6px}.editor-toolbar a.fa-header-x:after{font-family:Arial,"Helvetica Neue",Helvetica,sans-serif;font-size:65%;vertical-align:text-bottom;position:relative;top:2px}.editor-toolbar a.fa-header-1:after{content:"1"}.editor-toolbar a.fa-header-2:after{content:"2"}.editor-toolbar a.fa-header-3:after{content:"3"}.editor-toolbar a.fa-header-bigger:after{content:"▲"}.editor-toolbar a.fa-header-smaller:after{content:"▼"}.editor-toolbar.disabled-for-preview a:not(.no-disable){pointer-events:none;background:#fff;border-color:transparent;text-shadow:inherit}@media only screen and (max-width:700px){.editor-toolbar a.no-mobile{display:none}}.editor-statusbar{padding:8px 10px;font-size:9pt;color:#959694;text-align:right}.editor-statusbar span{display:inline-block;min-width:4em;margin-left:1em}.editor-preview,.editor-preview-side{padding:10px;background:#fafafa;z-index:9999;overflow:auto;display:none;box-sizing:border-box}.editor-statusbar .lines:before{content:'lines: '}.editor-statusbar .words:before{content:'words: '}.editor-preview{position:absolute;width:100%;height:100%;top:0;left:0}.editor-preview-side{position:fixed;bottom:0;width:50%;top:50px;right:0;border:1px solid #ddd}.editor-preview-active,.editor-preview-active-side{display:block}.editor-preview-side>p,.editor-preview>p{margin-top:0}.editor-preview pre,.editor-preview-side pre{background:#eee;margin-bottom:10px}.editor-preview table td,.editor-preview table th,.editor-preview-side table td,.editor-preview-side table th{border:1px solid #ddd;padding:5px}.CodeMirror .CodeMirror-selected{background:#d9d9d9}.CodeMirror .CodeMirror-code .cm-header-1{font-size:200%;line-height:200%}.CodeMirror .CodeMirror-code .cm-header-2{font-size:160%;line-height:160%}.CodeMirror .CodeMirror-code .cm-header-3{font-size:125%;line-height:125%}.CodeMirror .CodeMirror-code .cm-header-4{font-size:110%;line-height:110%}.CodeMirror .CodeMirror-code .cm-comment{background:rgba(0,0,0,.05);border-radius:2px}.CodeMirror .CodeMirror-code .cm-link{color:#7f8c8d}.CodeMirror .CodeMirror-code .cm-url{color:#aab2b3}.CodeMirror .CodeMirror-code .cm-strikethrough{text-decoration:line-through}.CodeMirror .cm-spell-error:not(.cm-url):not(.cm-comment){background:rgba(255,0,0,.15)}
\ No newline at end of file
diff --git a/dist/simplemde.min.js b/dist/simplemde.min.js
deleted file mode 100644
index a755007..0000000
--- a/dist/simplemde.min.js
+++ /dev/null
@@ -1,13 +0,0 @@
-/**
- * simplemde v1.7.5
- * Copyright Next Step Webs, Inc.
- * @link https://github.com/NextStepWebs/simplemde-markdown-editor
- * @license MIT
- */
-function fixShortcut(e){return e=isMac?e.replace("Ctrl","Cmd"):e.replace("Cmd","Ctrl")}function createIcon(e,t){e=e||{};var n=document.createElement("a");return t=void 0==t?!0:t,e.title&&t&&(n.title=e.title,isMac&&(n.title=n.title.replace("Ctrl","⌘"),n.title=n.title.replace("Alt","⌥"))),n.className=e.className,n}function createSep(){return el=document.createElement("i"),el.className="separator",el.innerHTML="|",el}function getState(e,t){t=t||e.getCursor("start");var n=e.getTokenAt(t);if(!n.type)return{};for(var r,i,o=n.type.split(" "),l={},a=0;a=o?"bigger"==t?"###### "+i:"# "+i:6==o&&"smaller"==t?i.substr(7):1==o&&"bigger"==t?i.substr(2):"bigger"==t?i.substr(1):"#"+i:1==n?0>=o?"# "+i:o==n?i.substr(o+1):"# "+i.substr(o+1):2==n?0>=o?"## "+i:o==n?i.substr(o+1):"## "+i.substr(o+1):0>=o?"### "+i:o==n?i.substr(o+1):"### "+i.substr(o+1),e.replaceRange(i,{line:r,ch:0},{line:r,ch:99999999999999})}(o);e.focus()}}function _toggleLine(e,t){if(!/editor-preview-active/.test(e.getWrapperElement().lastChild.className)){for(var n=getState(e),r=e.getCursor("start"),i=e.getCursor("end"),o={quote:/^(\s*)\>\s+/,"unordered-list":/^(\s*)(\*|\-|\+)\s+/,"ordered-list":/^(\s*)\d+\.\s+/},l={quote:"> ","unordered-list":"* ","ordered-list":"1. "},a=r.line;a<=i.line;a++)!function(r){var i=e.getLine(r);i=n[t]?i.replace(o[t],"$1"):l[t]+i,e.replaceRange(i,{line:r,ch:0},{line:r,ch:99999999999999})}(a);e.focus()}}function _toggleBlock(e,t,n,r){if(!/editor-preview-active/.test(e.codemirror.getWrapperElement().lastChild.className)){r="undefined"==typeof r?n:r;var i,o=e.codemirror,l=getState(o),a=n,s=r,u=o.getCursor("start"),c=o.getCursor("end");l[t]?(i=o.getLine(u.line),a=i.slice(0,u.ch),s=i.slice(u.ch),"bold"==t?(a=a.replace(/(\*\*|__)(?![\s\S]*(\*\*|__))/,""),s=s.replace(/(\*\*|__)/,"")):"italic"==t?(a=a.replace(/(\*|_)(?![\s\S]*(\*|_))/,""),s=s.replace(/(\*|_)/,"")):"strikethrough"==t&&(a=a.replace(/(\*\*|~~)(?![\s\S]*(\*\*|~~))/,""),s=s.replace(/(\*\*|~~)/,"")),o.replaceRange(a+s,{line:u.line,ch:0},{line:u.line,ch:99999999999999}),"bold"==t||"strikethrough"==t?(u.ch-=2,u!==c&&(c.ch-=2)):"italic"==t&&(u.ch-=1,u!==c&&(c.ch-=1))):(i=o.getSelection(),"bold"==t?(i=i.split("**").join(""),i=i.split("__").join("")):"italic"==t?(i=i.split("*").join(""),i=i.split("_").join("")):"strikethrough"==t&&(i=i.split("~~").join("")),o.replaceSelection(a+i+s),u.ch+=n.length,c.ch=u.ch+i.length),o.setSelection(u,c),o.focus()}}function wordCount(e){var t=/[a-zA-Z0-9_\u0392-\u03c9]+|[\u4E00-\u9FFF\u3400-\u4dbf\uf900-\ufaff\u3040-\u309f\uac00-\ud7af]+/g,n=e.match(t),r=0;if(null===n)return r;for(var i=0;i=19968?n[i].length:1;return r}function SimpleMDE(e){e=e||{},e.parent=this;var t=!0;if(e.autoDownloadFontAwesome===!1&&(t=!1),e.autoDownloadFontAwesome!==!0)for(var n=document.styleSheets,r=0;r-1&&(t=!1);if(t){var i=document.createElement("link");i.rel="stylesheet",i.href="https://maxcdn.bootstrapcdn.com/font-awesome/latest/css/font-awesome.min.css",document.getElementsByTagName("head")[0].appendChild(i)}if(e.element)this.element=e.element;else if(null===e.element)return void console.log("SimpleMDE: Error. No element was found.");e.toolbar!==!1&&(e.toolbar=e.toolbar||SimpleMDE.toolbar),e.hasOwnProperty("status")||(e.status=["autosave","lines","words","cursor"]),e.previewRender||(e.previewRender=function(e){return this.parent.markdown(e)}),e.parsingConfig=e.parsingConfig||{},this.options=e,this.render(),e.initialValue&&this.value(e.initialValue)}!function(e){if("object"==typeof exports&&"object"==typeof module)module.exports=e();else{if("function"==typeof define&&define.amd)return define([],e);this.CodeMirror=e()}}(function(){"use strict";function e(n,r){if(!(this instanceof e))return new e(n,r);this.options=r=r?Fi(r):{},Fi(Yo,r,!1),f(r);var i=r.value;"string"==typeof i&&(i=new xl(i,r.mode,null,r.lineSeparator)),this.doc=i;var o=new e.inputStyles[r.inputStyle](this),l=this.display=new t(n,i,o);l.wrapper.CodeMirror=this,u(this),a(this),r.lineWrapping&&(this.display.wrapper.className+=" CodeMirror-wrap"),r.autofocus&&!Mo&&l.input.focus(),v(this),this.state={keyMaps:[],overlays:[],modeGen:0,overwrite:!1,delayingBlurEvent:!1,focused:!1,suppressEdits:!1,pasteIncoming:!1,cutIncoming:!1,selectingText:!1,draggingText:!1,highlight:new Ai,keySeq:null,specialChars:null};var s=this;mo&&11>vo&&setTimeout(function(){s.display.input.reset(!0)},20),Rt(this),Ki(),bt(this),this.curOp.forceUpdate=!0,Xr(this,i),r.autofocus&&!Mo||s.hasFocus()?setTimeout(Pi(mn,this),20):vn(this);for(var c in Zo)Zo.hasOwnProperty(c)&&Zo[c](this,r[c],Qo);C(this),r.finishInit&&r.finishInit(this);for(var h=0;hvo&&(r.gutters.style.zIndex=-1,r.scroller.style.paddingRight=0),yo||fo&&Mo||(r.scroller.draggable=!0),e&&(e.appendChild?e.appendChild(r.wrapper):e(r.wrapper)),r.viewFrom=r.viewTo=t.first,r.reportedViewFrom=r.reportedViewTo=t.first,r.view=[],r.renderedView=null,r.externalMeasured=null,r.viewOffset=0,r.lastWrapHeight=r.lastWrapWidth=0,r.updateLineNumbers=null,r.nativeBarWidth=r.barHeight=r.barWidth=0,r.scrollbarsClipped=!1,r.lineNumWidth=r.lineNumInnerWidth=r.lineNumChars=null,r.alignWidgets=!1,r.cachedCharWidth=r.cachedTextHeight=r.cachedPaddingH=null,r.maxLine=null,r.maxLineLength=0,r.maxLineChanged=!1,r.wheelDX=r.wheelDY=r.wheelStartX=r.wheelStartY=null,r.shift=!1,r.selForContextMenu=null,r.activeTouch=null,n.init(r)}function n(t){t.doc.mode=e.getMode(t.options,t.doc.modeOption),r(t)}function r(e){e.doc.iter(function(e){e.stateAfter&&(e.stateAfter=null),e.styles&&(e.styles=null)}),e.doc.frontier=e.doc.first,Be(e,100),e.state.modeGen++,e.curOp&&Wt(e)}function i(e){e.options.lineWrapping?(Kl(e.display.wrapper,"CodeMirror-wrap"),e.display.sizer.style.minWidth="",e.display.sizerWidth=null):(Vl(e.display.wrapper,"CodeMirror-wrap"),d(e)),l(e),Wt(e),lt(e),setTimeout(function(){y(e)},100)}function o(e){var t=vt(e.display),n=e.options.lineWrapping,r=n&&Math.max(5,e.display.scroller.clientWidth/yt(e.display)-3);return function(i){if(wr(e.doc,i))return 0;var o=0;if(i.widgets)for(var l=0;lt.maxLineLength&&(t.maxLineLength=n,t.maxLine=e)})}function f(e){var t=Oi(e.gutters,"CodeMirror-linenumbers");-1==t&&e.lineNumbers?e.gutters=e.gutters.concat(["CodeMirror-linenumbers"]):t>-1&&!e.lineNumbers&&(e.gutters=e.gutters.slice(0),e.gutters.splice(t,1))}function p(e){var t=e.display,n=t.gutters.offsetWidth,r=Math.round(e.doc.height+Ue(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?n:0,docHeight:r,scrollHeight:r+je(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:n}}function g(e,t,n){this.cm=n;var r=this.vert=Ri("div",[Ri("div",null,null,"min-width: 1px")],"CodeMirror-vscrollbar"),i=this.horiz=Ri("div",[Ri("div",null,null,"height: 100%; min-height: 1px")],"CodeMirror-hscrollbar");e(r),e(i),Ml(r,"scroll",function(){r.clientHeight&&t(r.scrollTop,"vertical")}),Ml(i,"scroll",function(){i.clientWidth&&t(i.scrollLeft,"horizontal")}),this.checkedOverlay=!1,mo&&8>vo&&(this.horiz.style.minHeight=this.vert.style.minWidth="18px")}function m(){}function v(t){t.display.scrollbars&&(t.display.scrollbars.clear(),t.display.scrollbars.addClass&&Vl(t.display.wrapper,t.display.scrollbars.addClass)),t.display.scrollbars=new e.scrollbarModel[t.options.scrollbarStyle](function(e){t.display.wrapper.insertBefore(e,t.display.scrollbarFiller),Ml(e,"mousedown",function(){t.state.focused&&setTimeout(function(){t.display.input.focus()},0)}),e.setAttribute("cm-not-content","true")},function(e,n){"horizontal"==n?rn(t,e):nn(t,e)},t),t.display.scrollbars.addClass&&Kl(t.display.wrapper,t.display.scrollbars.addClass)}function y(e,t){t||(t=p(e));var n=e.display.barWidth,r=e.display.barHeight;b(e,t);for(var i=0;4>i&&n!=e.display.barWidth||r!=e.display.barHeight;i++)n!=e.display.barWidth&&e.options.lineWrapping&&H(e),b(e,p(e)),n=e.display.barWidth,r=e.display.barHeight}function b(e,t){var n=e.display,r=n.scrollbars.update(t);n.sizer.style.paddingRight=(n.barWidth=r.right)+"px",n.sizer.style.paddingBottom=(n.barHeight=r.bottom)+"px",r.right&&r.bottom?(n.scrollbarFiller.style.display="block",n.scrollbarFiller.style.height=r.bottom+"px",n.scrollbarFiller.style.width=r.right+"px"):n.scrollbarFiller.style.display="",r.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(n.gutterFiller.style.display="block",n.gutterFiller.style.height=r.bottom+"px",n.gutterFiller.style.width=t.gutterWidth+"px"):n.gutterFiller.style.display=""}function x(e,t,n){var r=n&&null!=n.top?Math.max(0,n.top):e.scroller.scrollTop;r=Math.floor(r-qe(e));var i=n&&null!=n.bottom?n.bottom:r+e.wrapper.clientHeight,o=ti(t,r),l=ti(t,i);if(n&&n.ensure){var a=n.ensure.from.line,s=n.ensure.to.line;o>a?(o=a,l=ti(t,ni(Yr(t,a))+e.wrapper.clientHeight)):Math.min(s,t.lastLine())>=l&&(o=ti(t,ni(Yr(t,s))-e.wrapper.clientHeight),l=s)}return{from:o,to:Math.max(l,o+1)}}function w(e){var t=e.display,n=t.view;if(t.alignWidgets||t.gutters.firstChild&&e.options.fixedGutter){for(var r=k(t)-t.scroller.scrollLeft+e.doc.scrollLeft,i=t.gutters.offsetWidth,o=r+"px",l=0;l=n.viewFrom&&t.visible.to<=n.viewTo&&(null==n.updateLineNumbers||n.updateLineNumbers>=n.viewTo)&&n.renderedView==n.view&&0==_t(e))return!1;C(e)&&(Ft(e),t.dims=E(e));var i=r.first+r.size,o=Math.max(t.visible.from-e.options.viewportMargin,r.first),l=Math.min(i,t.visible.to+e.options.viewportMargin);n.viewFroml&&n.viewTo-l<20&&(l=Math.min(i,n.viewTo)),Eo&&(o=br(e.doc,o),l=xr(e.doc,l));var a=o!=n.viewFrom||l!=n.viewTo||n.lastWrapHeight!=t.wrapperHeight||n.lastWrapWidth!=t.wrapperWidth;zt(e,o,l),n.viewOffset=ni(Yr(e.doc,n.viewFrom)),e.display.mover.style.top=n.viewOffset+"px";var s=_t(e);if(!a&&0==s&&!t.force&&n.renderedView==n.view&&(null==n.updateLineNumbers||n.updateLineNumbers>=n.viewTo))return!1;var u=Gi();return s>4&&(n.lineDiv.style.display="none"),W(e,n.updateLineNumbers,t.dims),s>4&&(n.lineDiv.style.display=""),n.renderedView=n.view,u&&Gi()!=u&&u.offsetHeight&&u.focus(),qi(n.cursorDiv),qi(n.selectionDiv),n.gutters.style.height=n.sizer.style.minHeight=0,a&&(n.lastWrapHeight=t.wrapperHeight,n.lastWrapWidth=t.wrapperWidth,Be(e,400)),n.updateLineNumbers=null,!0}function N(e,t){for(var n=t.viewport,r=!0;(r&&e.options.lineWrapping&&t.oldDisplayWidth!=$e(e)||(n&&null!=n.top&&(n={top:Math.min(e.doc.height+Ue(e.display)-Ve(e),n.top)}),t.visible=x(e.display,e.doc,n),!(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo)))&&T(e,t);r=!1){H(e);var i=p(e);Ee(e),D(e,i),y(e,i)}t.signal(e,"update",e),(e.display.viewFrom!=e.display.reportedViewFrom||e.display.viewTo!=e.display.reportedViewTo)&&(t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo),e.display.reportedViewFrom=e.display.viewFrom,e.display.reportedViewTo=e.display.viewTo)}function A(e,t){var n=new L(e,t);if(T(e,n)){H(e),N(e,n);var r=p(e);Ee(e),D(e,r),y(e,r),n.finish()}}function D(e,t){e.display.sizer.style.minHeight=t.docHeight+"px";var n=t.docHeight+e.display.barHeight;e.display.heightForcer.style.top=n+"px",e.display.gutters.style.height=Math.max(n+je(e),t.clientHeight)+"px"}function H(e){for(var t=e.display,n=t.lineDiv.offsetTop,r=0;rvo){var l=o.node.offsetTop+o.node.offsetHeight;i=l-n,n=l}else{var a=o.node.getBoundingClientRect();i=a.bottom-a.top}var s=o.line.height-i;if(2>i&&(i=vt(t)),(s>.001||-.001>s)&&(Jr(o.line,i),O(o.line),o.rest))for(var u=0;u=t&&h.lineNumber;h.changes&&(Oi(h.changes,"gutter")>-1&&(d=!1),I(e,h,u,n)),d&&(qi(h.lineNumber),h.lineNumber.appendChild(document.createTextNode(S(e.options,u)))),a=h.node.nextSibling}else{var f=U(e,h,u,n);l.insertBefore(f,a)}u+=h.size}for(;a;)a=r(a)}function I(e,t,n,r){for(var i=0;ivo&&(e.node.style.zIndex=2)),e.node}function P(e){var t=e.bgClass?e.bgClass+" "+(e.line.bgClass||""):e.line.bgClass;if(t&&(t+=" 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R(e,t,n,r){if(t.gutter&&(t.node.removeChild(t.gutter),t.gutter=null),t.gutterBackground&&(t.node.removeChild(t.gutterBackground),t.gutterBackground=null),t.line.gutterClass){var i=F(t);t.gutterBackground=Ri("div",null,"CodeMirror-gutter-background "+t.line.gutterClass,"left: "+(e.options.fixedGutter?r.fixedPos:-r.gutterTotalWidth)+"px; width: "+r.gutterTotalWidth+"px"),i.insertBefore(t.gutterBackground,t.text)}var o=t.line.gutterMarkers;if(e.options.lineNumbers||o){var i=F(t),l=t.gutter=Ri("div",null,"CodeMirror-gutter-wrapper","left: "+(e.options.fixedGutter?r.fixedPos:-r.gutterTotalWidth)+"px");if(e.display.input.setUneditable(l),i.insertBefore(l,t.text),t.line.gutterClass&&(l.className+=" "+t.line.gutterClass),!e.options.lineNumbers||o&&o["CodeMirror-linenumbers"]||(t.lineNumber=l.appendChild(Ri("div",S(e.options,n),"CodeMirror-linenumber CodeMirror-gutter-elt","left: "+r.gutterLeft["CodeMirror-linenumbers"]+"px; width: "+e.display.lineNumInnerWidth+"px"))),o)for(var a=0;a1)if(Fo&&Fo.join("\n")==t){if(r.ranges.length%Fo.length==0){s=[];for(var u=0;u=0;u--){var c=r.ranges[u],h=c.from(),d=c.to();c.empty()&&(n&&n>0?h=Wo(h.line,h.ch-n):e.state.overwrite&&!l&&(d=Wo(d.line,Math.min(Yr(o,d.line).text.length,d.ch+Hi(a).length))));var f=e.curOp.updateInput,p={from:h,to:d,text:s?s[u%s.length]:a,origin:i||(l?"paste":e.state.cutIncoming?"cut":"+input")};Ln(e.doc,p),Si(e,"inputRead",e,p)}t&&!l&&ee(e,t),Pn(e),e.curOp.updateInput=f,e.curOp.typing=!0,e.state.pasteIncoming=e.state.cutIncoming=!1}function J(e,t){var n=e.clipboardData&&e.clipboardData.getData("text/plain");return n?(e.preventDefault(),Z(t)||t.options.disableInput||Nt(t,function(){Q(t,n,0,null,"paste")}),!0):void 0}function ee(e,t){if(e.options.electricChars&&e.options.smartIndent)for(var n=e.doc.sel,r=n.ranges.length-1;r>=0;r--){var i=n.ranges[r];if(!(i.head.ch>100||r&&n.ranges[r-1].head.line==i.head.line)){var o=e.getModeAt(i.head),l=!1;if(o.electricChars){for(var a=0;a-1){l=zn(e,i.head.line,"smart");break}}else o.electricInput&&o.electricInput.test(Yr(e.doc,i.head.line).text.slice(0,i.head.ch))&&(l=zn(e,i.head.line,"smart"));l&&Si(e,"electricInput",e,i.head.line)}}}function te(e){for(var t=[],n=[],r=0;ri?u.map:c[i],l=0;li?e.line:e.rest[i]),h=o[l]+r;return(0>r||a!=t)&&(h=o[l+(r?1:0)]),Wo(s,h)}}}var i=e.text.firstChild,o=!1;if(!t||!Gl(i,t))return ae(Wo(ei(e.line),0),!0);if(t==i&&(o=!0,t=i.childNodes[n],n=0,!t)){var l=e.rest?Hi(e.rest):e.line;return ae(Wo(ei(l),l.text.length),o)}var a=3==t.nodeType?t:null,s=t;for(a||1!=t.childNodes.length||3!=t.firstChild.nodeType||(a=t.firstChild,n&&(n=a.nodeValue.length));s.parentNode!=i;)s=s.parentNode;var u=e.measure,c=u.maps,h=r(a,s,n);if(h)return ae(h,o);for(var d=s.nextSibling,f=a?a.nodeValue.length-n:0;d;d=d.nextSibling){if(h=r(d,d.firstChild,0))return ae(Wo(h.line,h.ch-f),o);f+=d.textContent.length}for(var p=s.previousSibling,f=n;p;p=p.previousSibling){if(h=r(p,p.firstChild,-1))return ae(Wo(h.line,h.ch+f),o);f+=d.textContent.length}}function ce(e,t,n,r,i){function o(e){return function(t){return t.id==e}}function l(t){if(1==t.nodeType){var n=t.getAttribute("cm-text");if(null!=n)return""==n&&(n=t.textContent.replace(/\u200b/g,"")),void(a+=n);var c,h=t.getAttribute("cm-marker");if(h){var d=e.findMarks(Wo(r,0),Wo(i+1,0),o(+h));return void(d.length&&(c=d[0].find())&&(a+=Zr(e.doc,c.from,c.to).join(u)))}if("false"==t.getAttribute("contenteditable"))return;for(var f=0;f=0){var l=X(o.from(),i.from()),a=K(o.to(),i.to()),s=o.empty()?i.from()==i.head:o.from()==o.head;t>=r&&--t,e.splice(--r,2,new de(s?a:l,s?l:a))}}return new he(e,t)}function pe(e,t){return new he([new de(e,t||e)],0)}function ge(e,t){return Math.max(e.first,Math.min(t,e.first+e.size-1))}function me(e,t){if(t.linen?Wo(n,Yr(e,n).text.length):ve(t,Yr(e,t.line).text.length)}function ve(e,t){var n=e.ch;return null==n||n>t?Wo(e.line,t):0>n?Wo(e.line,0):e}function ye(e,t){return t>=e.first&&t=o.ch:u.to>o.ch))){if(r&&(Al(c,"beforeCursorEnter"),c.explicitlyCleared)){if(a.markedSpans){--s;continue}break}if(!c.atomic)continue;var h=c.find(0>l?-1:1);if(0==Io(h,o)&&(h.ch+=l,h.ch<0?h=h.line>e.first?me(e,Wo(h.line-1)):null:h.ch>a.text.length&&(h=h.linet&&(t=0),t=Math.round(t),r=Math.round(r),a.appendChild(Ri("div",null,"CodeMirror-selected","position: absolute; left: "+e+"px; top: "+t+"px; width: "+(null==n?c-e:n)+"px; height: "+(r-t)+"px"))}function i(t,n,i){function o(n,r){return ht(e,Wo(t,n),"div",h,r)}var a,s,h=Yr(l,t),d=h.text.length;return Ji(ri(h),n||0,null==i?d:i,function(e,t,l){var h,f,p,g=o(e,"left");if(e==t)h=g,f=p=g.left;else{if(h=o(t-1,"right"),"rtl"==l){var m=g;g=h,h=m}f=g.left,p=h.right}null==n&&0==e&&(f=u),h.top-g.top>3&&(r(f,g.top,null,g.bottom),f=u,g.bottoms.bottom||h.bottom==s.bottom&&h.right>s.right)&&(s=h),u+1>f&&(f=u),r(f,h.top,p-f,h.bottom)}),{start:a,end:s}}var o=e.display,l=e.doc,a=document.createDocumentFragment(),s=Ge(e.display),u=s.left,c=Math.max(o.sizerWidth,$e(e)-o.sizer.offsetLeft)-s.right,h=t.from(),d=t.to();if(h.line==d.line)i(h.line,h.ch,d.ch);else{var f=Yr(l,h.line),p=Yr(l,d.line),g=vr(f)==vr(p),m=i(h.line,h.ch,g?f.text.length+1:null).end,v=i(d.line,g?0:null,d.ch).start;g&&(m.top0?t.blinker=setInterval(function(){t.cursorDiv.style.visibility=(n=!n)?"":"hidden"},e.options.cursorBlinkRate):e.options.cursorBlinkRate<0&&(t.cursorDiv.style.visibility="hidden")}}function Be(e,t){e.doc.mode.startState&&e.doc.frontier=e.display.viewTo)){var n=+new Date+e.options.workTime,r=il(t.mode,Re(e,t.frontier)),i=[];t.iter(t.frontier,Math.min(t.first+t.size,e.display.viewTo+500),function(o){if(t.frontier>=e.display.viewFrom){var l=o.styles,a=o.text.length>e.options.maxHighlightLength,s=Er(e,o,a?il(t.mode,r):r,!0);o.styles=s.styles;var u=o.styleClasses,c=s.classes;c?o.styleClasses=c:u&&(o.styleClasses=null);for(var h=!l||l.length!=o.styles.length||u!=c&&(!u||!c||u.bgClass!=c.bgClass||u.textClass!=c.textClass),d=0;!h&&dn?(Be(e,e.options.workDelay),!0):void 0}),i.length&&Nt(e,function(){for(var t=0;tl;--a){if(a<=o.first)return o.first;var s=Yr(o,a-1);if(s.stateAfter&&(!n||a<=o.frontier))return a;var u=Fl(s.text,null,e.options.tabSize);(null==i||r>u)&&(i=a-1,r=u)}return i}function Re(e,t,n){var r=e.doc,i=e.display;if(!r.mode.startState)return!0;var o=_e(e,t,n),l=o>r.first&&Yr(r,o-1).stateAfter;return l=l?il(r.mode,l):ol(r.mode),r.iter(o,t,function(n){Ir(e,n.text,l);var a=o==t-1||o%5==0||o>=i.viewFrom&&o2&&o.push((s.bottom+u.top)/2-n.top)}}o.push(n.bottom-n.top)}}function Xe(e,t,n){if(e.line==t)return{map:e.measure.map,cache:e.measure.cache};for(var r=0;rn)return{map:e.measure.maps[r],cache:e.measure.caches[r],before:!0}}function Ye(e,t){t=vr(t);var n=ei(t),r=e.display.externalMeasured=new Ot(e.doc,t,n);r.lineN=n;var i=r.built=Pr(e,r);return r.text=i.pre,Ui(e.display.lineMeasure,i.pre),r}function Ze(e,t,n,r){return et(e,Je(e,t),n,r)}function Qe(e,t){if(t>=e.display.viewFrom&&t=n.lineN&&tt?(i=0,o=1,l="left"):u>t?(i=t-s,o=i+1):(a==e.length-3||t==u&&e[a+3]>t)&&(o=u-s,i=o-1,t>=u&&(l="right")),null!=i){if(r=e[a+2],s==u&&n==(r.insertLeft?"left":"right")&&(l=n),"left"==n&&0==i)for(;a&&e[a-2]==e[a-3]&&e[a-1].insertLeft;)r=e[(a-=3)+2],l="left";if("right"==n&&i==u-s)for(;ac;c++){for(;a&&_i(t.line.text.charAt(o.coverStart+a));)--a;for(;o.coverStart+svo&&0==a&&s==o.coverEnd-o.coverStart)i=l.parentNode.getBoundingClientRect();else if(mo&&e.options.lineWrapping){var h=_l(l,a,s).getClientRects();i=h.length?h["right"==r?h.length-1:0]:_o}else i=_l(l,a,s).getBoundingClientRect()||_o;if(i.left||i.right||0==a)break;s=a,a-=1,u="right"}mo&&11>vo&&(i=rt(e.display.measure,i))}else{a>0&&(u=r="right");var h;i=e.options.lineWrapping&&(h=l.getClientRects()).length>1?h["right"==r?h.length-1:0]:l.getBoundingClientRect()}if(mo&&9>vo&&!a&&(!i||!i.left&&!i.right)){var d=l.parentNode.getClientRects()[0];i=d?{left:d.left,right:d.left+yt(e.display),top:d.top,bottom:d.bottom}:_o}for(var f=i.top-t.rect.top,p=i.bottom-t.rect.top,g=(f+p)/2,m=t.view.measure.heights,c=0;cn.from?l(e-1):l(e,r)}r=r||Yr(e.doc,t.line),i||(i=Je(e,r));var s=ri(r),u=t.ch;if(!s)return l(u);var c=so(s,u),h=a(u,c);return null!=na&&(h.other=a(u,na)),h}function ft(e,t){var n=0,t=me(e.doc,t);e.options.lineWrapping||(n=yt(e.display)*t.ch);var r=Yr(e.doc,t.line),i=ni(r)+qe(e.display);return{left:n,right:n,top:i,bottom:i+r.height}}function pt(e,t,n,r){var i=Wo(e,t);return i.xRel=r,n&&(i.outside=!0),i}function gt(e,t,n){var r=e.doc;if(n+=e.display.viewOffset,0>n)return pt(r.first,0,!0,-1);var i=ti(r,n),o=r.first+r.size-1;if(i>o)return pt(r.first+r.size-1,Yr(r,o).text.length,!0,1);0>t&&(t=0);for(var l=Yr(r,i);;){var a=mt(e,l,i,t,n),s=gr(l),u=s&&s.find(0,!0);if(!s||!(a.ch>u.from.ch||a.ch==u.from.ch&&a.xRel>0))return a;i=ei(l=u.to.line)}}function mt(e,t,n,r,i){function o(r){var i=dt(e,Wo(n,r),"line",t,u);return a=!0,l>i.bottom?i.left-s:lm)return pt(n,f,v,1);for(;;){if(c?f==d||f==co(t,d,1):1>=f-d){for(var y=p>r||m-r>=r-p?d:f,b=r-(y==d?p:m);_i(t.text.charAt(y));)++y;var x=pt(n,y,y==d?g:v,-1>b?-1:b>1?1:0);return x}var w=Math.ceil(h/2),C=d+w;if(c){C=d;for(var S=0;w>S;++S)C=co(t,C,1)}var k=o(C);k>r?(f=C,m=k,(v=a)&&(m+=1e3),h=w):(d=C,p=k,g=a,h-=w)}}function vt(e){if(null!=e.cachedTextHeight)return e.cachedTextHeight;if(null==Po){Po=Ri("pre");for(var t=0;49>t;++t)Po.appendChild(document.createTextNode("x")),Po.appendChild(Ri("br"));Po.appendChild(document.createTextNode("x"))}Ui(e.measure,Po);var n=Po.offsetHeight/50;return n>3&&(e.cachedTextHeight=n),qi(e.measure),n||1}function yt(e){if(null!=e.cachedCharWidth)return e.cachedCharWidth;var t=Ri("span","xxxxxxxxxx"),n=Ri("pre",[t]);Ui(e.measure,n);var r=t.getBoundingClientRect(),i=(r.right-r.left)/10;return i>2&&(e.cachedCharWidth=i),i||10}function bt(e){e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:null,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++qo},Ro?Ro.ops.push(e.curOp):e.curOp.ownsGroup=Ro={ops:[e.curOp],delayedCallbacks:[]}}function xt(e){var t=e.delayedCallbacks,n=0;do{for(;n=n.viewTo)||n.maxLineChanged&&t.options.lineWrapping,e.update=e.mustUpdate&&new L(t,e.mustUpdate&&{top:e.scrollTop,ensure:e.scrollToPos},e.forceUpdate)}function kt(e){e.updatedDisplay=e.mustUpdate&&T(e.cm,e.update)}function Lt(e){var t=e.cm,n=t.display;e.updatedDisplay&&H(t),e.barMeasure=p(t),n.maxLineChanged&&!t.options.lineWrapping&&(e.adjustWidthTo=Ze(t,n.maxLine,n.maxLine.text.length).left+3,t.display.sizerWidth=e.adjustWidthTo,e.barMeasure.scrollWidth=Math.max(n.scroller.clientWidth,n.sizer.offsetLeft+e.adjustWidthTo+je(t)+t.display.barWidth),e.maxScrollLeft=Math.max(0,n.sizer.offsetLeft+e.adjustWidthTo-$e(t))),(e.updatedDisplay||e.selectionChanged)&&(e.preparedSelection=n.input.prepareSelection())}function Mt(e){var t=e.cm;null!=e.adjustWidthTo&&(t.display.sizer.style.minWidth=e.adjustWidthTo+"px",e.maxScrollLefto;o=r){var l=new Ot(e.doc,Yr(e.doc,o),o);r=o+l.size,i.push(l)}return i}function Wt(e,t,n,r){null==t&&(t=e.doc.first),null==n&&(n=e.doc.first+e.doc.size),r||(r=0);var i=e.display;if(r&&nt)&&(i.updateLineNumbers=t),e.curOp.viewChanged=!0,t>=i.viewTo)Eo&&br(e.doc,t)i.viewFrom?Ft(e):(i.viewFrom+=r,i.viewTo+=r);else if(t<=i.viewFrom&&n>=i.viewTo)Ft(e);else if(t<=i.viewFrom){var o=Bt(e,n,n+r,1);o?(i.view=i.view.slice(o.index),i.viewFrom=o.lineN,i.viewTo+=r):Ft(e)}else if(n>=i.viewTo){var o=Bt(e,t,t,-1);o?(i.view=i.view.slice(0,o.index),i.viewTo=o.lineN):Ft(e)}else{var l=Bt(e,t,t,-1),a=Bt(e,n,n+r,1);l&&a?(i.view=i.view.slice(0,l.index).concat(Et(e,l.lineN,a.lineN)).concat(i.view.slice(a.index)),i.viewTo+=r):Ft(e)}var s=i.externalMeasured;s&&(n=i.lineN&&t=r.viewTo)){var o=r.view[Pt(e,t)];if(null!=o.node){var l=o.changes||(o.changes=[]);-1==Oi(l,n)&&l.push(n)}}}function Ft(e){e.display.viewFrom=e.display.viewTo=e.doc.first,e.display.view=[],e.display.viewOffset=0}function Pt(e,t){if(t>=e.display.viewTo)return null;if(t-=e.display.viewFrom,0>t)return null;for(var n=e.display.view,r=0;rt)return r}function Bt(e,t,n,r){var i,o=Pt(e,t),l=e.display.view;if(!Eo||n==e.doc.first+e.doc.size)return{index:o,lineN:n};for(var a=0,s=e.display.viewFrom;o>a;a++)s+=l[a].size;if(s!=t){if(r>0){if(o==l.length-1)return null;i=s+l[o].size-t,o++}else i=s-t;t+=i,n+=i}for(;br(e.doc,n)!=n;){if(o==(0>r?0:l.length-1))return null;n+=r*l[o-(0>r?1:0)].size,o+=r}return{index:o,lineN:n}}function zt(e,t,n){var r=e.display,i=r.view;0==i.length||t>=r.viewTo||n<=r.viewFrom?(r.view=Et(e,t,n),r.viewFrom=t):(r.viewFrom>t?r.view=Et(e,t,r.viewFrom).concat(r.view):r.viewFromn&&(r.view=r.view.slice(0,Pt(e,n)))),r.viewTo=n}function _t(e){for(var t=e.display.view,n=0,r=0;r400}var i=e.display;Ml(i.scroller,"mousedown",At(e,$t)),mo&&11>vo?Ml(i.scroller,"dblclick",At(e,function(t){if(!Li(e,t)){var n=jt(e,t);if(n&&!Zt(e,t)&&!Gt(e.display,t)){Sl(t);var r=e.findWordAt(n);we(e.doc,r.anchor,r.head)}}})):Ml(i.scroller,"dblclick",function(t){Li(e,t)||Sl(t)}),Ho||Ml(i.scroller,"contextmenu",function(t){yn(e,t)});var o,l={end:0};Ml(i.scroller,"touchstart",function(e){if(!n(e)){clearTimeout(o);var t=+new Date;i.activeTouch={start:t,moved:!1,prev:t-l.end<=300?l:null},1==e.touches.length&&(i.activeTouch.left=e.touches[0].pageX,i.activeTouch.top=e.touches[0].pageY)}}),Ml(i.scroller,"touchmove",function(){i.activeTouch&&(i.activeTouch.moved=!0)}),Ml(i.scroller,"touchend",function(n){var o=i.activeTouch;if(o&&!Gt(i,n)&&null!=o.left&&!o.moved&&new Date-o.start<300){var l,a=e.coordsChar(i.activeTouch,"page");l=!o.prev||r(o,o.prev)?new de(a,a):!o.prev.prev||r(o,o.prev.prev)?e.findWordAt(a):new de(Wo(a.line,0),me(e.doc,Wo(a.line+1,0))),e.setSelection(l.anchor,l.head),e.focus(),Sl(n)}t()}),Ml(i.scroller,"touchcancel",t),Ml(i.scroller,"scroll",function(){i.scroller.clientHeight&&(nn(e,i.scroller.scrollTop),rn(e,i.scroller.scrollLeft,!0),Al(e,"scroll",e))}),Ml(i.scroller,"mousewheel",function(t){on(e,t)}),Ml(i.scroller,"DOMMouseScroll",function(t){on(e,t)}),Ml(i.wrapper,"scroll",function(){i.wrapper.scrollTop=i.wrapper.scrollLeft=0}),i.dragFunctions={enter:function(t){Li(e,t)||Ll(t)},over:function(t){Li(e,t)||(en(e,t),Ll(t))},start:function(t){Jt(e,t)},drop:At(e,Qt),leave:function(){tn(e)}};var a=i.input.getField();Ml(a,"keyup",function(t){fn.call(e,t)}),Ml(a,"keydown",At(e,hn)),Ml(a,"keypress",At(e,pn)),Ml(a,"focus",Pi(mn,e)),Ml(a,"blur",Pi(vn,e))}function qt(t,n,r){var i=r&&r!=e.Init;if(!n!=!i){var o=t.display.dragFunctions,l=n?Ml:Nl;l(t.display.scroller,"dragstart",o.start),l(t.display.scroller,"dragenter",o.enter),l(t.display.scroller,"dragover",o.over),l(t.display.scroller,"dragleave",o.leave),l(t.display.scroller,"drop",o.drop)}}function Ut(e){var t=e.display;(t.lastWrapHeight!=t.wrapper.clientHeight||t.lastWrapWidth!=t.wrapper.clientWidth)&&(t.cachedCharWidth=t.cachedTextHeight=t.cachedPaddingH=null,t.scrollbarsClipped=!1,e.setSize())}function Gt(e,t){for(var n=xi(t);n!=e.wrapper;n=n.parentNode)if(!n||1==n.nodeType&&"true"==n.getAttribute("cm-ignore-events")||n.parentNode==e.sizer&&n!=e.mover)return!0}function jt(e,t,n,r){var i=e.display;if(!n&&"true"==xi(t).getAttribute("cm-not-content"))return null;var o,l,a=i.lineSpace.getBoundingClientRect();try{o=t.clientX-a.left,l=t.clientY-a.top}catch(t){return null}var s,u=gt(e,o,l);if(r&&1==u.xRel&&(s=Yr(e.doc,u.line).text).length==u.ch){var c=Fl(s,s.length,e.options.tabSize)-s.length;u=Wo(u.line,Math.max(0,Math.round((o-Ge(e.display).left)/yt(e.display))-c))}return u}function $t(e){var t=this,n=t.display;if(!(n.activeTouch&&n.input.supportsTouch()||Li(t,e))){if(n.shift=e.shiftKey,Gt(n,e))return void(yo||(n.scroller.draggable=!1,setTimeout(function(){n.scroller.draggable=!0},100)));if(!Zt(t,e)){var r=jt(t,e);switch(window.focus(),wi(e)){case 1:t.state.selectingText?t.state.selectingText(e):r?Vt(t,e,r):xi(e)==n.scroller&&Sl(e);break;case 2:yo&&(t.state.lastMiddleDown=+new Date),r&&we(t.doc,r),setTimeout(function(){n.input.focus()},20),Sl(e);break;case 3:Ho?yn(t,e):gn(t)}}}}function Vt(e,t,n){mo?setTimeout(Pi(Y,e),0):e.curOp.focus=Gi();var r,i=+new Date;zo&&zo.time>i-400&&0==Io(zo.pos,n)?r="triple":Bo&&Bo.time>i-400&&0==Io(Bo.pos,n)?(r="double",zo={time:i,pos:n}):(r="single",Bo={time:i,pos:n});var o,l=e.doc.sel,a=To?t.metaKey:t.ctrlKey;e.options.dragDrop&&Yl&&!Z(e)&&"single"==r&&(o=l.contains(n))>-1&&(Io((o=l.ranges[o]).from(),n)<0||n.xRel>0)&&(Io(o.to(),n)>0||n.xRel<0)?Kt(e,t,n,a):Xt(e,t,n,r,a)}function Kt(e,t,n,r){var i=e.display,o=+new Date,l=At(e,function(a){yo&&(i.scroller.draggable=!1),e.state.draggingText=!1,Nl(document,"mouseup",l),Nl(i.scroller,"drop",l),Math.abs(t.clientX-a.clientX)+Math.abs(t.clientY-a.clientY)<10&&(Sl(a),!r&&+new Date-200=p;p++){var v=Yr(u,p).text,y=Pl(v,s,o);s==f?i.push(new de(Wo(p,y),Wo(p,y))):v.length>y&&i.push(new de(Wo(p,y),Wo(p,Pl(v,f,o))))}i.length||i.push(new de(n,n)),Te(u,fe(d.ranges.slice(0,h).concat(i),h),{origin:"*mouse",scroll:!1}),e.scrollIntoView(t)}else{var b=c,x=b.anchor,w=t;if("single"!=r){if("double"==r)var C=e.findWordAt(t);else var C=new de(Wo(t.line,0),me(u,Wo(t.line+1,0)));Io(C.anchor,x)>0?(w=C.head,x=X(b.from(),C.anchor)):(w=C.anchor,x=K(b.to(),C.head))}var i=d.ranges.slice(0);i[h]=new de(me(u,x),w),Te(u,fe(i,h),Wl)}}function l(t){var n=++y,i=jt(e,t,!0,"rect"==r);if(i)if(0!=Io(i,m)){e.curOp.focus=Gi(),o(i);var a=x(s,u);(i.line>=a.to||i.linev.bottom?20:0;c&&setTimeout(At(e,function(){y==n&&(s.scroller.scrollTop+=c,l(t))}),50)}}function a(t){e.state.selectingText=!1,y=1/0,Sl(t),s.input.focus(),Nl(document,"mousemove",b),Nl(document,"mouseup",w),u.history.lastSelOrigin=null}var s=e.display,u=e.doc;Sl(t);var c,h,d=u.sel,f=d.ranges;if(i&&!t.shiftKey?(h=u.sel.contains(n),c=h>-1?f[h]:new de(n,n)):(c=u.sel.primary(),h=u.sel.primIndex),t.altKey)r="rect",i||(c=new de(n,n)),n=jt(e,t,!0,!0),h=-1;else if("double"==r){var p=e.findWordAt(n);c=e.display.shift||u.extend?xe(u,c,p.anchor,p.head):p}else if("triple"==r){var g=new de(Wo(n.line,0),me(u,Wo(n.line+1,0)));c=e.display.shift||u.extend?xe(u,c,g.anchor,g.head):g}else c=xe(u,c,n);i?-1==h?(h=f.length,Te(u,fe(f.concat([c]),h),{scroll:!1,origin:"*mouse"})):f.length>1&&f[h].empty()&&"single"==r&&!t.shiftKey?(Te(u,fe(f.slice(0,h).concat(f.slice(h+1)),0),{scroll:!1,origin:"*mouse"}),d=u.sel):Se(u,h,c,Wl):(h=0,Te(u,new he([c],0),Wl),d=u.sel);var m=n,v=s.wrapper.getBoundingClientRect(),y=0,b=At(e,function(e){wi(e)?l(e):a(e)}),w=At(e,a);e.state.selectingText=w,Ml(document,"mousemove",b),Ml(document,"mouseup",w)}function Yt(e,t,n,r,i){try{var o=t.clientX,l=t.clientY}catch(t){return!1}if(o>=Math.floor(e.display.gutters.getBoundingClientRect().right))return!1;r&&Sl(t);var a=e.display,s=a.lineDiv.getBoundingClientRect();if(l>s.bottom||!Ti(e,n))return bi(t);l-=s.top-a.viewOffset;for(var u=0;u=o){var h=ti(e.doc,l),d=e.options.gutters[u];return i(e,n,e,h,d,t),bi(t)}}}function Zt(e,t){return Yt(e,t,"gutterClick",!0,Si)}function Qt(e){var t=this;if(tn(t),!Li(t,e)&&!Gt(t.display,e)){Sl(e),mo&&(Uo=+new Date);var n=jt(t,e,!0),r=e.dataTransfer.files;if(n&&!Z(t))if(r&&r.length&&window.FileReader&&window.File)for(var i=r.length,o=Array(i),l=0,a=function(e,r){if(!t.options.allowDropFileTypes||-1!=Oi(t.options.allowDropFileTypes,e.type)){var a=new FileReader;a.onload=At(t,function(){var e=a.result;if(/[\x00-\x08\x0e-\x1f]{2}/.test(e)&&(e=""),o[r]=e,++l==i){n=me(t.doc,n);var s={from:n,to:n,text:t.doc.splitLines(o.join(t.doc.lineSeparator())),origin:"paste"};Ln(t.doc,s),Me(t.doc,pe(n,Xo(s)))}}),a.readAsText(e)}},s=0;i>s;++s)a(r[s],s);else{if(t.state.draggingText&&t.doc.sel.contains(n)>-1)return t.state.draggingText(e),void setTimeout(function(){t.display.input.focus()},20);try{var o=e.dataTransfer.getData("Text");if(o){if(t.state.draggingText&&!(To?e.altKey:e.ctrlKey))var u=t.listSelections();if(Ne(t.doc,pe(n,n)),u)for(var s=0;sl.clientWidth||i&&l.scrollHeight>l.clientHeight){if(i&&To&&yo)e:for(var a=t.target,s=o.view;a!=l;a=a.parentNode)for(var u=0;uc?h=Math.max(0,h+c-50):d=Math.min(e.doc.height,d+c+50),A(e,{top:h,bottom:d})}20>Go&&(null==o.wheelStartX?(o.wheelStartX=l.scrollLeft,o.wheelStartY=l.scrollTop,o.wheelDX=r,o.wheelDY=i,setTimeout(function(){if(null!=o.wheelStartX){var e=l.scrollLeft-o.wheelStartX,t=l.scrollTop-o.wheelStartY,n=t&&o.wheelDY&&t/o.wheelDY||e&&o.wheelDX&&e/o.wheelDX;o.wheelStartX=o.wheelStartY=null,n&&(jo=(jo*Go+n)/(Go+1),++Go)}},200)):(o.wheelDX+=r,o.wheelDY+=i))}}function ln(e,t,n){if("string"==typeof t&&(t=ll[t],!t))return!1;e.display.input.ensurePolled();var r=e.display.shift,i=!1;try{Z(e)&&(e.state.suppressEdits=!0),n&&(e.display.shift=!1),i=t(e)!=Ol}finally{e.display.shift=r,e.state.suppressEdits=!1}return i}function an(e,t,n){for(var r=0;rvo&&27==e.keyCode&&(e.returnValue=!1);var n=e.keyCode;t.display.shift=16==n||e.shiftKey;var r=un(t,e);wo&&(Ko=r?n:null,!r&&88==n&&!Jl&&(To?e.metaKey:e.ctrlKey)&&t.replaceSelection("",null,"cut")),18!=n||/\bCodeMirror-crosshair\b/.test(t.display.lineDiv.className)||dn(t)}}function dn(e){function t(e){18!=e.keyCode&&e.altKey||(Vl(n,"CodeMirror-crosshair"),Nl(document,"keyup",t),Nl(document,"mouseover",t))}var n=e.display.lineDiv;Kl(n,"CodeMirror-crosshair"),Ml(document,"keyup",t),Ml(document,"mouseover",t)}function fn(e){16==e.keyCode&&(this.doc.sel.shift=!1),Li(this,e)}function pn(e){
-var t=this;if(!(Gt(t.display,e)||Li(t,e)||e.ctrlKey&&!e.altKey||To&&e.metaKey)){var n=e.keyCode,r=e.charCode;if(wo&&n==Ko)return Ko=null,void Sl(e);if(!wo||e.which&&!(e.which<10)||!un(t,e)){var i=String.fromCharCode(null==r?n:r);cn(t,e,i)||t.display.input.onKeyPress(e)}}}function gn(e){e.state.delayingBlurEvent=!0,setTimeout(function(){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1,vn(e))},100)}function mn(e){e.state.delayingBlurEvent&&(e.state.delayingBlurEvent=!1),"nocursor"!=e.options.readOnly&&(e.state.focused||(Al(e,"focus",e),e.state.focused=!0,Kl(e.display.wrapper,"CodeMirror-focused"),e.curOp||e.display.selForContextMenu==e.doc.sel||(e.display.input.reset(),yo&&setTimeout(function(){e.display.input.reset(!0)},20)),e.display.input.receivedFocus()),Pe(e))}function vn(e){e.state.delayingBlurEvent||(e.state.focused&&(Al(e,"blur",e),e.state.focused=!1,Vl(e.display.wrapper,"CodeMirror-focused")),clearInterval(e.display.blinker),setTimeout(function(){e.state.focused||(e.display.shift=!1)},150))}function yn(e,t){Gt(e.display,t)||bn(e,t)||Li(e,t,"contextmenu")||e.display.input.onContextMenu(t)}function bn(e,t){return Ti(e,"gutterContextMenu")?Yt(e,t,"gutterContextMenu",!1,Al):!1}function xn(e,t){if(Io(e,t.from)<0)return e;if(Io(e,t.to)<=0)return Xo(t);var n=e.line+t.text.length-(t.to.line-t.from.line)-1,r=e.ch;return e.line==t.to.line&&(r+=Xo(t).ch-t.to.ch),Wo(n,r)}function wn(e,t){for(var n=[],r=0;r=0;--i)Mn(e,{from:r[i].from,to:r[i].to,text:i?[""]:t.text});else Mn(e,t)}}function Mn(e,t){if(1!=t.text.length||""!=t.text[0]||0!=Io(t.from,t.to)){var n=wn(e,t);si(e,t,n,e.cm?e.cm.curOp.id:NaN),An(e,t,n,ir(e,t));var r=[];Kr(e,function(e,n){n||-1!=Oi(r,e.history)||(yi(e.history,t),r.push(e.history)),An(e,t,null,ir(e,t))})}}function Tn(e,t,n){if(!e.cm||!e.cm.state.suppressEdits){for(var r,i=e.history,o=e.sel,l="undo"==t?i.done:i.undone,a="undo"==t?i.undone:i.done,s=0;s=0;--s){var h=r.changes[s];if(h.origin=t,c&&!kn(e,h,!1))return void(l.length=0);u.push(oi(e,h));var d=s?wn(e,h):Hi(l);An(e,h,d,lr(e,h)),!s&&e.cm&&e.cm.scrollIntoView({from:h.from,to:Xo(h)});var f=[];Kr(e,function(e,t){t||-1!=Oi(f,e.history)||(yi(e.history,h),f.push(e.history)),An(e,h,null,lr(e,h))})}}}}function Nn(e,t){if(0!=t&&(e.first+=t,e.sel=new he(Ei(e.sel.ranges,function(e){return new de(Wo(e.anchor.line+t,e.anchor.ch),Wo(e.head.line+t,e.head.ch))}),e.sel.primIndex),e.cm)){Wt(e.cm,e.first,e.first-t,t);for(var n=e.cm.display,r=n.viewFrom;re.lastLine())){if(t.from.lineo&&(t={from:t.from,to:Wo(o,Yr(e,o).text.length),text:[t.text[0]],origin:t.origin}),t.removed=Zr(e,t.from,t.to),n||(n=wn(e,t)),e.cm?Dn(e.cm,t,r):jr(e,t,r),Ne(e,n,El)}}function Dn(e,t,n){var r=e.doc,i=e.display,l=t.from,a=t.to,s=!1,u=l.line;e.options.lineWrapping||(u=ei(vr(Yr(r,l.line))),r.iter(u,a.line+1,function(e){return e==i.maxLine?(s=!0,!0):void 0})),r.sel.contains(t.from,t.to)>-1&&Mi(e),jr(r,t,n,o(e)),e.options.lineWrapping||(r.iter(u,l.line+t.text.length,function(e){var t=h(e);t>i.maxLineLength&&(i.maxLine=e,i.maxLineLength=t,i.maxLineChanged=!0,s=!1)}),s&&(e.curOp.updateMaxLine=!0)),r.frontier=Math.min(r.frontier,l.line),Be(e,400);var c=t.text.length-(a.line-l.line)-1;t.full?Wt(e):l.line!=a.line||1!=t.text.length||Gr(e.doc,t)?Wt(e,l.line,a.line+1,c):It(e,l.line,"text");var d=Ti(e,"changes"),f=Ti(e,"change");if(f||d){var p={from:l,to:a,text:t.text,removed:t.removed,origin:t.origin};f&&Si(e,"change",e,p),d&&(e.curOp.changeObjs||(e.curOp.changeObjs=[])).push(p)}e.display.selForContextMenu=null}function Hn(e,t,n,r,i){if(r||(r=n),Io(r,n)<0){var o=r;r=n,n=o}"string"==typeof t&&(t=e.splitLines(t)),Ln(e,{from:n,to:r,text:t,origin:i})}function On(e,t){if(!Li(e,"scrollCursorIntoView")){var n=e.display,r=n.sizer.getBoundingClientRect(),i=null;if(t.top+r.top<0?i=!0:t.bottom+r.top>(window.innerHeight||document.documentElement.clientHeight)&&(i=!1),null!=i&&!ko){var o=Ri("div","",null,"position: absolute; top: "+(t.top-n.viewOffset-qe(e.display))+"px; height: "+(t.bottom-t.top+je(e)+n.barHeight)+"px; left: "+t.left+"px; width: 2px;");e.display.lineSpace.appendChild(o),o.scrollIntoView(i),e.display.lineSpace.removeChild(o)}}}function En(e,t,n,r){null==r&&(r=0);for(var i=0;5>i;i++){var o=!1,l=dt(e,t),a=n&&n!=t?dt(e,n):l,s=In(e,Math.min(l.left,a.left),Math.min(l.top,a.top)-r,Math.max(l.left,a.left),Math.max(l.bottom,a.bottom)+r),u=e.doc.scrollTop,c=e.doc.scrollLeft;if(null!=s.scrollTop&&(nn(e,s.scrollTop),Math.abs(e.doc.scrollTop-u)>1&&(o=!0)),null!=s.scrollLeft&&(rn(e,s.scrollLeft),Math.abs(e.doc.scrollLeft-c)>1&&(o=!0)),!o)break}return l}function Wn(e,t,n,r,i){var o=In(e,t,n,r,i);null!=o.scrollTop&&nn(e,o.scrollTop),null!=o.scrollLeft&&rn(e,o.scrollLeft)}function In(e,t,n,r,i){var o=e.display,l=vt(e.display);0>n&&(n=0);var a=e.curOp&&null!=e.curOp.scrollTop?e.curOp.scrollTop:o.scroller.scrollTop,s=Ve(e),u={};i-n>s&&(i=n+s);var c=e.doc.height+Ue(o),h=l>n,d=i>c-l;if(a>n)u.scrollTop=h?0:n;else if(i>a+s){var f=Math.min(n,(d?c:i)-s);f!=a&&(u.scrollTop=f)}var p=e.curOp&&null!=e.curOp.scrollLeft?e.curOp.scrollLeft:o.scroller.scrollLeft,g=$e(e)-(e.options.fixedGutter?o.gutters.offsetWidth:0),m=r-t>g;return m&&(r=t+g),10>t?u.scrollLeft=0:p>t?u.scrollLeft=Math.max(0,t-(m?0:10)):r>g+p-3&&(u.scrollLeft=r+(m?0:10)-g),u}function Fn(e,t,n){(null!=t||null!=n)&&Bn(e),null!=t&&(e.curOp.scrollLeft=(null==e.curOp.scrollLeft?e.doc.scrollLeft:e.curOp.scrollLeft)+t),null!=n&&(e.curOp.scrollTop=(null==e.curOp.scrollTop?e.doc.scrollTop:e.curOp.scrollTop)+n)}function Pn(e){Bn(e);var t=e.getCursor(),n=t,r=t;e.options.lineWrapping||(n=t.ch?Wo(t.line,t.ch-1):t,r=Wo(t.line,t.ch+1)),e.curOp.scrollToPos={from:n,to:r,margin:e.options.cursorScrollMargin,isCursor:!0}}function Bn(e){var t=e.curOp.scrollToPos;if(t){e.curOp.scrollToPos=null;var n=ft(e,t.from),r=ft(e,t.to),i=In(e,Math.min(n.left,r.left),Math.min(n.top,r.top)-t.margin,Math.max(n.right,r.right),Math.max(n.bottom,r.bottom)+t.margin);e.scrollTo(i.scrollLeft,i.scrollTop)}}function zn(e,t,n,r){var i,o=e.doc;null==n&&(n="add"),"smart"==n&&(o.mode.indent?i=Re(e,t):n="prev");var l=e.options.tabSize,a=Yr(o,t),s=Fl(a.text,null,l);a.stateAfter&&(a.stateAfter=null);var u,c=a.text.match(/^\s*/)[0];if(r||/\S/.test(a.text)){if("smart"==n&&(u=o.mode.indent(i,a.text.slice(c.length),a.text),u==Ol||u>150)){if(!r)return;n="prev"}}else u=0,n="not";"prev"==n?u=t>o.first?Fl(Yr(o,t-1).text,null,l):0:"add"==n?u=s+e.options.indentUnit:"subtract"==n?u=s-e.options.indentUnit:"number"==typeof n&&(u=s+n),u=Math.max(0,u);var h="",d=0;if(e.options.indentWithTabs)for(var f=Math.floor(u/l);f;--f)d+=l,h+=" ";if(u>d&&(h+=Di(u-d)),h!=c)return Hn(o,h,Wo(t,0),Wo(t,c.length),"+input"),a.stateAfter=null,!0;for(var f=0;f=0;t--)Hn(e.doc,"",r[t].from,r[t].to,"+delete");Pn(e)})}function qn(e,t,n,r,i){function o(){var t=a+n;return t=e.first+e.size?h=!1:(a=t,c=Yr(e,t))}function l(e){var t=(i?co:ho)(c,s,n,!0);if(null==t){if(e||!o())return h=!1;s=i?(0>n?ro:no)(c):0>n?c.text.length:0}else s=t;return!0}var a=t.line,s=t.ch,u=n,c=Yr(e,a),h=!0;if("char"==r)l();else if("column"==r)l(!0);else if("word"==r||"group"==r)for(var d=null,f="group"==r,p=e.cm&&e.cm.getHelper(t,"wordChars"),g=!0;!(0>n)||l(!g);g=!1){var m=c.text.charAt(s)||"\n",v=Bi(m,p)?"w":f&&"\n"==m?"n":!f||/\s/.test(m)?null:"p";if(!f||g||v||(v="s"),d&&d!=v){0>n&&(n=1,l());break}if(v&&(d=v),n>0&&!l(!g))break}var y=Oe(e,Wo(a,s),u,!0);return h||(y.hitSide=!0),y}function Un(e,t,n,r){var i,o=e.doc,l=t.left;if("page"==r){var a=Math.min(e.display.wrapper.clientHeight,window.innerHeight||document.documentElement.clientHeight);i=t.top+n*(a-(0>n?1.5:.5)*vt(e.display))}else"line"==r&&(i=n>0?t.bottom+3:t.top-3);for(;;){var s=gt(e,l,i);if(!s.outside)break;if(0>n?0>=i:i>=o.height){s.hitSide=!0;break}i+=5*n}return s}function Gn(t,n,r,i){e.defaults[t]=n,r&&(Zo[t]=i?function(e,t,n){n!=Qo&&r(e,t,n)}:r)}function jn(e){for(var t,n,r,i,o=e.split(/-(?!$)/),e=o[o.length-1],l=0;l0||0==l&&o.clearWhenEmpty!==!1)return o;if(o.replacedWith&&(o.collapsed=!0,o.widgetNode=Ri("span",[o.replacedWith],"CodeMirror-widget"),r.handleMouseEvents||o.widgetNode.setAttribute("cm-ignore-events","true"),r.insertLeft&&(o.widgetNode.insertLeft=!0)),o.collapsed){if(mr(e,t.line,t,n,o)||t.line!=n.line&&mr(e,n.line,t,n,o))throw new Error("Inserting collapsed marker partially overlapping an existing one");Eo=!0}o.addToHistory&&si(e,{from:t,to:n,origin:"markText"},e.sel,NaN);var a,s=t.line,u=e.cm;if(e.iter(s,n.line+1,function(e){u&&o.collapsed&&!u.options.lineWrapping&&vr(e)==u.display.maxLine&&(a=!0),o.collapsed&&s!=t.line&&Jr(e,0),tr(e,new Qn(o,s==t.line?t.ch:null,s==n.line?n.ch:null)),++s}),o.collapsed&&e.iter(t.line,n.line+1,function(t){wr(e,t)&&Jr(t,0)}),o.clearOnEnter&&Ml(o,"beforeCursorEnter",function(){o.clear()}),o.readOnly&&(Oo=!0,(e.history.done.length||e.history.undone.length)&&e.clearHistory()),o.collapsed&&(o.id=++dl,o.atomic=!0),u){if(a&&(u.curOp.updateMaxLine=!0),o.collapsed)Wt(u,t.line,n.line+1);else if(o.className||o.title||o.startStyle||o.endStyle||o.css)for(var c=t.line;c<=n.line;c++)It(u,c,"text");o.atomic&&De(u.doc),Si(u,"markerAdded",u,o)}return o}function Kn(e,t,n,r,i){r=Fi(r),r.shared=!1;var o=[Vn(e,t,n,r,i)],l=o[0],a=r.widgetNode;return Kr(e,function(e){a&&(r.widgetNode=a.cloneNode(!0)),o.push(Vn(e,me(e,t),me(e,n),r,i));for(var s=0;s=t:o.to>t);(r||(r=[])).push(new Qn(l,o.from,s?null:o.to))}}return r}function rr(e,t,n){if(e)for(var r,i=0;i=t:o.to>t);if(a||o.from==t&&"bookmark"==l.type&&(!n||o.marker.insertLeft)){var s=null==o.from||(l.inclusiveLeft?o.from<=t:o.from0&&a)for(var h=0;hh;++h)p.push(g);p.push(s)}return p}function or(e){for(var t=0;t0)){var c=[s,1],h=Io(u.from,a.from),d=Io(u.to,a.to);(0>h||!l.inclusiveLeft&&!h)&&c.push({from:u.from,to:a.from}),(d>0||!l.inclusiveRight&&!d)&&c.push({from:a.to,to:u.to}),i.splice.apply(i,c),s+=c.length-1}}return i}function sr(e){var t=e.markedSpans;if(t){for(var n=0;n=0&&0>=h||0>=c&&h>=0)&&(0>=c&&(Io(u.to,n)>0||s.marker.inclusiveRight&&i.inclusiveLeft)||c>=0&&(Io(u.from,r)<0||s.marker.inclusiveLeft&&i.inclusiveRight)))return!0}}}function vr(e){for(var t;t=pr(e);)e=t.find(-1,!0).line;return e}function yr(e){for(var t,n;t=gr(e);)e=t.find(1,!0).line,(n||(n=[])).push(e);return n}function br(e,t){var n=Yr(e,t),r=vr(n);return n==r?t:ei(r)}function xr(e,t){if(t>e.lastLine())return t;var n,r=Yr(e,t);if(!wr(e,r))return t;for(;n=gr(r);)r=n.find(1,!0).line;return ei(r)+1}function 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t=this;this.selectionInEditor()?this.pollSelection():Nt(this.cm,function(){t.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,e)},selectionChanged:function(){var e=window.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset},pollSelection:function(){if(!this.composing&&!this.gracePeriod&&this.selectionChanged()){var e=window.getSelection(),t=this.cm;this.rememberSelection();var n=se(t,e.anchorNode,e.anchorOffset),r=se(t,e.focusNode,e.focusOffset);n&&r&&Nt(t,function(){Te(t.doc,pe(n,r),El),(n.bad||r.bad)&&(t.curOp.selectionChanged=!0)})}},pollContent:function(){var e=this.cm,t=e.display,n=e.doc.sel.primary(),r=n.from(),i=n.to();if(r.linet.viewTo-1)return!1;var o;if(r.line==t.viewFrom||0==(o=Pt(e,r.line)))var l=ei(t.view[0].line),a=t.view[0].node;else var l=ei(t.view[o].line),a=t.view[o-1].node.nextSibling;var s=Pt(e,i.line);if(s==t.view.length-1)var 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t=e;if(e=Yr(this.doc,e),!e)return null}else{var t=ei(e);if(null==t)return null}return{line:t,handle:e,text:e.text,gutterMarkers:e.gutterMarkers,textClass:e.textClass,bgClass:e.bgClass,wrapClass:e.wrapClass,widgets:e.widgets}},getViewport:function(){return{from:this.display.viewFrom,to:this.display.viewTo}},addWidget:function(e,t,n,r,i){var o=this.display;e=dt(this,me(this.doc,e));var l=e.bottom,a=e.left;if(t.style.position="absolute",t.setAttribute("cm-ignore-events","true"),this.display.input.setUneditable(t),o.sizer.appendChild(t),"over"==r)l=e.top;else if("above"==r||"near"==r){var s=Math.max(o.wrapper.clientHeight,this.doc.height),u=Math.max(o.sizer.clientWidth,o.lineSpace.clientWidth);("above"==r||e.bottom+t.offsetHeight>s)&&e.top>t.offsetHeight?l=e.top-t.offsetHeight:e.bottom+t.offsetHeight<=s&&(l=e.bottom),a+t.offsetWidth>u&&(a=u-t.offsetWidth)}t.style.top=l+"px",t.style.left=t.style.right="","right"==i?(a=o.sizer.clientWidth-t.offsetWidth,t.style.right="0px"):("left"==i?a=0:"middle"==i&&(a=(o.sizer.clientWidth-t.offsetWidth)/2),t.style.left=a+"px"),n&&Wn(this,a,l,a+t.offsetWidth,l+t.offsetHeight)},triggerOnKeyDown:Dt(hn),triggerOnKeyPress:Dt(pn),triggerOnKeyUp:fn,execCommand:function(e){return ll.hasOwnProperty(e)?ll[e].call(null,this):void 0},triggerElectric:Dt(function(e){ee(this,e)}),findPosH:function(e,t,n,r){var i=1;0>t&&(i=-1,t=-t);for(var o=0,l=me(this.doc,e);t>o&&(l=qn(this.doc,l,i,n,r),!l.hitSide);++o);return l},moveH:Dt(function(e,t){var n=this;n.extendSelectionsBy(function(r){return n.display.shift||n.doc.extend||r.empty()?qn(n.doc,r.head,e,t,n.options.rtlMoveVisually):0>e?r.from():r.to()},Il)}),deleteH:Dt(function(e,t){var n=this.doc.sel,r=this.doc;n.somethingSelected()?r.replaceSelection("",null,"+delete"):Rn(this,function(n){var i=qn(r,n.head,e,t,!1);return 0>e?{from:i,to:n.head}:{from:n.head,to:i}})}),findPosV:function(e,t,n,r){var i=1,o=r;0>t&&(i=-1,t=-t);for(var l=0,a=me(this.doc,e);t>l;++l){var s=dt(this,a,"div");if(null==o?o=s.left:s.left=o,a=Un(this,s,i,n),a.hitSide)break}return a},moveV:Dt(function(e,t){var n=this,r=this.doc,i=[],o=!n.display.shift&&!r.extend&&r.sel.somethingSelected();if(r.extendSelectionsBy(function(l){if(o)return 0>e?l.from():l.to();var a=dt(n,l.head,"div");null!=l.goalColumn&&(a.left=l.goalColumn),i.push(a.left);var s=Un(n,a,e,t);return"page"==t&&l==r.sel.primary()&&Fn(n,null,ht(n,s,"div").top-a.top),s},Il),i.length)for(var l=0;l0&&a(n.charAt(r-1));)--r;for(;i.5)&&l(this),Al(this,"refresh",this)}),swapDoc:Dt(function(e){var t=this.doc;return t.cm=null,Xr(this,e),lt(this),this.display.input.reset(),this.scrollTo(e.scrollLeft,e.scrollTop),this.curOp.forceScroll=!0,Si(this,"swapDoc",this,t),t}),getInputField:function(){return this.display.input.getField()},getWrapperElement:function(){return this.display.wrapper},getScrollerElement:function(){return this.display.scroller},getGutterElement:function(){return this.display.gutters}},Ni(e);var Yo=e.defaults={},Zo=e.optionHandlers={},Qo=e.Init={toString:function(){return"CodeMirror.Init"}};Gn("value","",function(e,t){e.setValue(t)},!0),Gn("mode",null,function(e,t){e.doc.modeOption=t,n(e)},!0),Gn("indentUnit",2,n,!0),Gn("indentWithTabs",!1),Gn("smartIndent",!0),Gn("tabSize",4,function(e){r(e),lt(e),Wt(e)},!0),Gn("lineSeparator",null,function(e,t){if(e.doc.lineSep=t,t){var n=[],r=e.doc.first;e.doc.iter(function(e){for(var i=0;;){var o=e.text.indexOf(t,i);if(-1==o)break;i=o+t.length,n.push(Wo(r,o))}r++});for(var i=n.length-1;i>=0;i--)Hn(e.doc,t,n[i],Wo(n[i].line,n[i].ch+t.length))}}),Gn("specialChars",/[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g,function(t,n,r){t.state.specialChars=new RegExp(n.source+(n.test(" ")?"":"| "),"g"),r!=e.Init&&t.refresh()}),Gn("specialCharPlaceholder",Br,function(e){e.refresh()},!0),Gn("electricChars",!0),Gn("inputStyle",Mo?"contenteditable":"textarea",function(){throw new Error("inputStyle can not (yet) be changed in a running editor")},!0),Gn("rtlMoveVisually",!No),Gn("wholeLineUpdateBefore",!0),Gn("theme","default",function(e){a(e),s(e)},!0),Gn("keyMap","default",function(t,n,r){var i=$n(n),o=r!=e.Init&&$n(r);o&&o.detach&&o.detach(t,i),i.attach&&i.attach(t,o||null)}),Gn("extraKeys",null),Gn("lineWrapping",!1,i,!0),Gn("gutters",[],function(e){f(e.options),s(e)},!0),Gn("fixedGutter",!0,function(e,t){e.display.gutters.style.left=t?k(e.display)+"px":"0",e.refresh()},!0),Gn("coverGutterNextToScrollbar",!1,function(e){y(e)},!0),Gn("scrollbarStyle","native",function(e){v(e),y(e),e.display.scrollbars.setScrollTop(e.doc.scrollTop),e.display.scrollbars.setScrollLeft(e.doc.scrollLeft)},!0),Gn("lineNumbers",!1,function(e){f(e.options),s(e)},!0),Gn("firstLineNumber",1,s,!0),Gn("lineNumberFormatter",function(e){return e},s,!0),Gn("showCursorWhenSelecting",!1,Ee,!0),Gn("resetSelectionOnContextMenu",!0),Gn("lineWiseCopyCut",!0),Gn("readOnly",!1,function(e,t){"nocursor"==t?(vn(e),e.display.input.blur(),e.display.disabled=!0):e.display.disabled=!1,e.display.input.readOnlyChanged(t)}),Gn("disableInput",!1,function(e,t){t||e.display.input.reset()},!0),Gn("dragDrop",!0,qt),Gn("allowDropFileTypes",null),Gn("cursorBlinkRate",530),Gn("cursorScrollMargin",0),Gn("cursorHeight",1,Ee,!0),Gn("singleCursorHeightPerLine",!0,Ee,!0),Gn("workTime",100),Gn("workDelay",100),Gn("flattenSpans",!0,r,!0),Gn("addModeClass",!1,r,!0),
-Gn("pollInterval",100),Gn("undoDepth",200,function(e,t){e.doc.history.undoDepth=t}),Gn("historyEventDelay",1250),Gn("viewportMargin",10,function(e){e.refresh()},!0),Gn("maxHighlightLength",1e4,r,!0),Gn("moveInputWithCursor",!0,function(e,t){t||e.display.input.resetPosition()}),Gn("tabindex",null,function(e,t){e.display.input.getField().tabIndex=t||""}),Gn("autofocus",null);var Jo=e.modes={},el=e.mimeModes={};e.defineMode=function(t,n){e.defaults.mode||"null"==t||(e.defaults.mode=t),arguments.length>2&&(n.dependencies=Array.prototype.slice.call(arguments,2)),Jo[t]=n},e.defineMIME=function(e,t){el[e]=t},e.resolveMode=function(t){if("string"==typeof t&&el.hasOwnProperty(t))t=el[t];else if(t&&"string"==typeof t.name&&el.hasOwnProperty(t.name)){var n=el[t.name];"string"==typeof n&&(n={name:n}),t=Ii(n,t),t.name=n.name}else if("string"==typeof t&&/^[\w\-]+\/[\w\-]+\+xml$/.test(t))return e.resolveMode("application/xml");return"string"==typeof t?{name:t}:t||{name:"null"}},e.getMode=function(t,n){var n=e.resolveMode(n),r=Jo[n.name];if(!r)return e.getMode(t,"text/plain");var i=r(t,n);if(tl.hasOwnProperty(n.name)){var o=tl[n.name];for(var l in o)o.hasOwnProperty(l)&&(i.hasOwnProperty(l)&&(i["_"+l]=i[l]),i[l]=o[l])}if(i.name=n.name,n.helperType&&(i.helperType=n.helperType),n.modeProps)for(var l in n.modeProps)i[l]=n.modeProps[l];return i},e.defineMode("null",function(){return{token:function(e){e.skipToEnd()}}}),e.defineMIME("text/plain","null");var tl=e.modeExtensions={};e.extendMode=function(e,t){var n=tl.hasOwnProperty(e)?tl[e]:tl[e]={};Fi(t,n)},e.defineExtension=function(t,n){e.prototype[t]=n},e.defineDocExtension=function(e,t){xl.prototype[e]=t},e.defineOption=Gn;var nl=[];e.defineInitHook=function(e){nl.push(e)};var rl=e.helpers={};e.registerHelper=function(t,n,r){rl.hasOwnProperty(t)||(rl[t]=e[t]={_global:[]}),rl[t][n]=r},e.registerGlobalHelper=function(t,n,r,i){e.registerHelper(t,n,i),rl[t]._global.push({pred:r,val:i})};var il=e.copyState=function(e,t){if(t===!0)return t;if(e.copyState)return e.copyState(t);var n={};for(var r in t){var i=t[r];i instanceof Array&&(i=i.concat([])),n[r]=i}return n},ol=e.startState=function(e,t,n){return e.startState?e.startState(t,n):!0};e.innerMode=function(e,t){for(;e.innerMode;){var n=e.innerMode(t);if(!n||n.mode==e)break;t=n.state,e=n.mode}return n||{mode:e,state:t}};var ll=e.commands={selectAll:function(e){e.setSelection(Wo(e.firstLine(),0),Wo(e.lastLine()),El)},singleSelection:function(e){e.setSelection(e.getCursor("anchor"),e.getCursor("head"),El)},killLine:function(e){Rn(e,function(t){if(t.empty()){var n=Yr(e.doc,t.head.line).text.length;return t.head.ch==n&&t.head.line0)i=new 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o=0,l=this.compoundRules.length;l>o;o++){for(var c=this.compoundRules[o],h="",s=0,u=c.length;u>s;s++){var d=c[s];h+=d in this.compoundRuleCodes?"("+this.compoundRuleCodes[d].join("|")+")":d}this.compoundRules[o]=new RegExp(h,"i")}}return this};Typo.prototype={load:function(e){for(var t in e)this[t]=e[t];return this},_readFile:function(e,t){t||(t="ISO8859-1");var n=new XMLHttpRequest;return n.open("GET",e,!1),n.overrideMimeType&&n.overrideMimeType("text/plain; charset="+t),n.send(null),n.responseText},_parseAFF:function(e){var t={};e=this._removeAffixComments(e);for(var n=e.split("\n"),r=0,i=n.length;i>r;r++){var o=n[r],l=o.split(/\s+/),a=l[0];if("PFX"==a||"SFX"==a){for(var s=l[1],u=l[2],c=parseInt(l[3],10),h=[],d=r+1,f=r+1+c;f>d;d++){var o=n[d],p=o.split(/\s+/),g=p[2],m=p[3].split("/"),v=m[0];"0"===v&&(v="");var y=this.parseRuleCodes(m[1]),b=p[4],x={};x.add=v,y.length>0&&(x.continuationClasses=y),"."!==b&&("SFX"===a?x.match=new RegExp(b+"$"):x.match=new 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p=this._applyRule(s,f),g=0,m=p.length;m>g;g++){var v=p[g];if(t(v,[]),f.combineable)for(var y=c+1;h>y;y++){var b=u[y],x=this.rules[b];if(x&&x.combineable&&f.type!=x.type)for(var w=this._applyRule(v,x),C=0,S=w.length;S>C;C++){var k=w[C];t(k,[])}}}d in this.compoundRuleCodes&&this.compoundRuleCodes[d].push(s)}}else t(s.trim(),[])}return r},_removeDicComments:function(e){return e=e.replace(/^\t.*$/gm,"")},parseRuleCodes:function(e){if(!e)return[];if(!("FLAG"in this.flags))return e.split("");if("long"===this.flags.FLAG){for(var t=[],n=0,r=e.length;r>n;n+=2)t.push(e.substr(n,2));return t}return"num"===this.flags.FLAG?textCode.split(","):void 0},_applyRule:function(e,t){for(var n=t.entries,r=[],i=0,o=n.length;o>i;i++){var l=n[i];if(!l.match||e.match(l.match)){var a=e;if(l.remove&&(a=a.replace(l.remove,"")),"SFX"===t.type?a+=l.add:a=l.add+a,r.push(a),"continuationClasses"in l)for(var s=0,u=l.continuationClasses.length;u>s;s++){var c=this.rules[l.continuationClasses[s]];c&&(r=r.concat(this._applyRule(a,c)))}}}return r},check:function(e){var t=e.replace(/^\s\s*/,"").replace(/\s\s*$/,"");if(this.checkExact(t))return!0;if(t.toUpperCase()===t){var n=t[0]+t.substring(1).toLowerCase();if(this.hasFlag(n,"KEEPCASE"))return!1;if(this.checkExact(n))return!0}var r=t.toLowerCase();if(r!==t){if(this.hasFlag(r,"KEEPCASE"))return!1;if(this.checkExact(r))return!0}return!1},checkExact:function(e){var t=this.dictionaryTable[e];if("undefined"==typeof t){if("COMPOUNDMIN"in this.flags&&e.length>=this.flags.COMPOUNDMIN)for(var n=0,r=this.compoundRules.length;r>n;n++)if(e.match(this.compoundRules[n]))return!0;return!1}for(var n=0,r=t.length;r>n;n++)if(!this.hasFlag(e,"ONLYINCOMPOUND",t[n]))return!0;return!1},hasFlag:function(e,t,n){if(t in this.flags){if("undefined"==typeof n)var n=Array.prototype.concat.apply([],this.dictionaryTable[e]);if(n&&-1!==n.indexOf(this.flags[t]))return!0}return!1},alphabet:"",suggest:function(e,t){function n(e){for(var t=[],n=0,r=e.length;r>n;n++){for(var i=e[n],o=[],l=0,a=i.length+1;a>l;l++)o.push([i.substring(0,l),i.substring(l,i.length)]);for(var s=[],l=0,a=o.length;a>l;l++){var c=o[l];c[1]&&s.push(c[0]+c[1].substring(1))}for(var h=[],l=0,a=o.length;a>l;l++){var c=o[l];c[1].length>1&&h.push(c[0]+c[1][1]+c[1][0]+c[1].substring(2))}for(var d=[],l=0,a=o.length;a>l;l++){var c=o[l];if(c[1])for(var f=0,p=u.alphabet.length;p>f;f++)d.push(c[0]+u.alphabet[f]+c[1].substring(1))}for(var g=[],l=0,a=o.length;a>l;l++){var c=o[l];if(c[1])for(var f=0,p=u.alphabet.length;p>f;f++)d.push(c[0]+u.alphabet[f]+c[1])}t=t.concat(s),t=t.concat(h),t=t.concat(d),t=t.concat(g)}return t}function r(e){for(var t=[],n=0;nc;c++)a[c]in s?s[a[c]]+=1:s[a[c]]=1;var d=[];for(var c in s)d.push([c,s[c]]);d.sort(i).reverse();for(var f=[],c=0,h=Math.min(t,d.length);h>c;c++)u.hasFlag(d[c][0],"NOSUGGEST")||f.push(d[c][0]);return f}if(t||(t=5),this.check(e))return[];for(var o=0,l=this.replacementTable.length;l>o;o++){var a=this.replacementTable[o];if(-1!==e.indexOf(a[0])){var s=e.replace(a[0],a[1]);if(this.check(s))return[s]}}var u=this;return u.alphabet="abcdefghijklmnopqrstuvwxyz",i(e)}};var num_loaded=0,aff_loading=!1,dic_loading=!1,aff_data="",dic_data="",typo;CodeMirror.defineMode("spell-checker",function(e,t){if(!aff_loading){aff_loading=!0;var n=new XMLHttpRequest;n.open("GET","https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.aff",!0),n.onload=function(e){4===n.readyState&&200===n.status&&(aff_data=n.responseText,num_loaded++,2==num_loaded&&(typo=new Typo("en_US",aff_data,dic_data,{platform:"any"})))},n.send(null)}if(!dic_loading){dic_loading=!0;var r=new XMLHttpRequest;r.open("GET","https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.dic",!0),r.onload=function(e){4===r.readyState&&200===r.status&&(dic_data=r.responseText,num_loaded++,2==num_loaded&&(typo=new Typo("en_US",aff_data,dic_data,{platform:"any"})))},r.send(null)}var i='!"#$%&()*+,-./:;<=>?@[\\]^_`{|}~ 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*/),align:o[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:o[3].replace(/\n$/,"").split("\n")},h=0;h ?/gm,""),this.token(o,t,!0),this.tokens.push({type:"blockquote_end"});else if(o=this.rules.list.exec(e)){for(e=e.substring(o[0].length),l=o[2],this.tokens.push({type:"list_start",ordered:l.length>1}),o=o[0].match(this.rules.item),r=!1,d=o.length,h=0;d>h;h++)s=o[h],u=s.length,s=s.replace(/^ *([*+-]|\d+\.) +/,""),~s.indexOf("\n ")&&(u-=s.length,s=this.options.pedantic?s.replace(/^ {1,4}/gm,""):s.replace(new RegExp("^ {1,"+u+"}","gm"),"")),this.options.smartLists&&h!==d-1&&(a=c.bullet.exec(o[h+1])[0],l===a||l.length>1&&a.length>1||(e=o.slice(h+1).join("\n")+e,h=d-1)),i=r||/\n\n(?!\s*$)/.test(s),h!==d-1&&(r="\n"===s.charAt(s.length-1),i||(i=r)),this.tokens.push({type:i?"loose_item_start":"list_item_start"}),this.token(s,!1,n),this.tokens.push({type:"list_item_end"});this.tokens.push({type:"list_end"})}else if(o=this.rules.html.exec(e))e=e.substring(o[0].length),this.tokens.push({type:this.options.sanitize?"paragraph":"html",pre:!this.options.sanitizer&&("pre"===o[1]||"script"===o[1]||"style"===o[1]),text:o[0]});else if(!n&&t&&(o=this.rules.def.exec(e)))e=e.substring(o[0].length),this.tokens.links[o[1].toLowerCase()]={href:o[2],title:o[3]};else if(t&&(o=this.rules.table.exec(e))){for(e=e.substring(o[0].length),s={type:"table",header:o[1].replace(/^ *| *\| *$/g,"").split(/ *\| */),align:o[2].replace(/^ *|\| *$/g,"").split(/ *\| */),cells:o[3].replace(/(?: *\| *)?\n$/,"").split("\n")},h=0;h])/,autolink:/^<([^ >]+(@|:\/)[^ >]+)>/,url:a,tag:/^|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,link:/^!?\[(inside)\]\(href\)/,reflink:/^!?\[(inside)\]\s*\[([^\]]*)\]/,nolink:/^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,strong:/^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,em:/^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,code:/^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,br:/^ {2,}\n(?!\s*$)/,del:a,text:/^[\s\S]+?(?=[\\?(?:\s+['"]([\s\S]*?)['"])?\s*/,h.link=l(h.link)("inside",h._inside)("href",h._href)(),h.reflink=l(h.reflink)("inside",h._inside)(),h.normal=s({},h),h.pedantic=s({},h.normal,{strong:/^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,em:/^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/}),h.gfm=s({},h.normal,{escape:l(h.escape)("])","~|])")(),url:/^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,del:/^~~(?=\S)([\s\S]*?\S)~~/,text:l(h.text)("]|","~]|")("|","|https?://|")()}),h.breaks=s({},h.gfm,{br:l(h.br)("{2,}","*")(),text:l(h.gfm.text)("{2,}","*")()}),t.rules=h,t.output=function(e,n,r){var i=new t(n,r);return i.output(e)},t.prototype.output=function(e){for(var t,n,r,o,l="";e;)if(o=this.rules.escape.exec(e))e=e.substring(o[0].length),l+=o[1];else if(o=this.rules.autolink.exec(e))e=e.substring(o[0].length),"@"===o[2]?(n=":"===o[1].charAt(6)?this.mangle(o[1].substring(7)):this.mangle(o[1]),r=this.mangle("mailto:")+n):(n=i(o[1]),r=n),l+=this.renderer.link(r,null,n);else if(this.inLink||!(o=this.rules.url.exec(e))){if(o=this.rules.tag.exec(e))!this.inLink&&/^/i.test(o[0])&&(this.inLink=!1),e=e.substring(o[0].length),l+=this.options.sanitize?this.options.sanitizer?this.options.sanitizer(o[0]):i(o[0]):o[0];else if(o=this.rules.link.exec(e))e=e.substring(o[0].length),this.inLink=!0,l+=this.outputLink(o,{href:o[2],title:o[3]}),this.inLink=!1;else if((o=this.rules.reflink.exec(e))||(o=this.rules.nolink.exec(e))){if(e=e.substring(o[0].length),t=(o[2]||o[1]).replace(/\s+/g," "),t=this.links[t.toLowerCase()],!t||!t.href){l+=o[0].charAt(0),e=o[0].substring(1)+e;continue}this.inLink=!0,l+=this.outputLink(o,t),this.inLink=!1}else if(o=this.rules.strong.exec(e))e=e.substring(o[0].length),l+=this.renderer.strong(this.output(o[2]||o[1]));else if(o=this.rules.em.exec(e))e=e.substring(o[0].length),l+=this.renderer.em(this.output(o[2]||o[1]));else if(o=this.rules.code.exec(e))e=e.substring(o[0].length),l+=this.renderer.codespan(i(o[2],!0));else if(o=this.rules.br.exec(e))e=e.substring(o[0].length),l+=this.renderer.br();else if(o=this.rules.del.exec(e))e=e.substring(o[0].length),l+=this.renderer.del(this.output(o[1]));else if(o=this.rules.text.exec(e))e=e.substring(o[0].length),l+=this.renderer.text(i(this.smartypants(o[0])));else if(e)throw new Error("Infinite loop on byte: "+e.charCodeAt(0))}else e=e.substring(o[0].length),n=i(o[1]),r=n,l+=this.renderer.link(r,null,n);return l},t.prototype.outputLink=function(e,t){var n=i(t.href),r=t.title?i(t.title):null;return"!"!==e[0].charAt(0)?this.renderer.link(n,r,this.output(e[1])):this.renderer.image(n,r,i(e[1]))},t.prototype.smartypants=function(e){return this.options.smartypants?e.replace(/---/g,"—").replace(/--/g,"–").replace(/(^|[-\u2014/(\[{"\s])'/g,"$1‘").replace(/'/g,"’").replace(/(^|[-\u2014/(\[{\u2018\s])"/g,"$1“").replace(/"/g,"”").replace(/\.{3}/g,"…"):e},t.prototype.mangle=function(e){if(!this.options.mangle)return e;for(var t,n="",r=e.length,i=0;r>i;i++)t=e.charCodeAt(i),Math.random()>.5&&(t="x"+t.toString(16)),n+=""+t+";";return n},n.prototype.code=function(e,t,n){if(this.options.highlight){var r=this.options.highlight(e,t);null!=r&&r!==e&&(n=!0,e=r)}return t?''+(n?e:i(e,!0))+"\n
\n":""+(n?e:i(e,!0))+"\n
"},n.prototype.blockquote=function(e){return"\n"+e+"
\n"},n.prototype.html=function(e){return e},n.prototype.heading=function(e,t,n){return"\n"},n.prototype.hr=function(){return this.options.xhtml?"
\n":"
\n"},n.prototype.list=function(e,t){var n=t?"ol":"ul";return"<"+n+">\n"+e+""+n+">\n"},n.prototype.listitem=function(e){return""+e+"\n"},n.prototype.paragraph=function(e){return""+e+"
\n"},n.prototype.table=function(e,t){return"\n"},n.prototype.tablerow=function(e){return"\n"+e+"
\n"},n.prototype.tablecell=function(e,t){var n=t.header?"th":"td",r=t.align?"<"+n+' style="text-align:'+t.align+'">':"<"+n+">";return r+e+""+n+">\n"},n.prototype.strong=function(e){return""+e+""},n.prototype.em=function(e){return""+e+""},n.prototype.codespan=function(e){return""+e+"
"},n.prototype.br=function(){return this.options.xhtml?"
":"
"},n.prototype.del=function(e){return""+e+""},n.prototype.link=function(e,t,n){if(this.options.sanitize){try{var r=decodeURIComponent(o(e)).replace(/[^\w:]/g,"").toLowerCase()}catch(i){return""}if(0===r.indexOf("javascript:")||0===r.indexOf("vbscript:"))return""}var l='"+n+""},n.prototype.image=function(e,t,n){var r='":">"},n.prototype.text=function(e){return e},r.parse=function(e,t,n){var i=new r(t,n);return i.parse(e)},r.prototype.parse=function(e){this.inline=new t(e.links,this.options,this.renderer),this.tokens=e.reverse();for(var n="";this.next();)n+=this.tok();return n},r.prototype.next=function(){return this.token=this.tokens.pop()},r.prototype.peek=function(){return this.tokens[this.tokens.length-1]||0},r.prototype.parseText=function(){for(var e=this.token.text;"text"===this.peek().type;)e+="\n"+this.next().text;return this.inline.output(e)},r.prototype.tok=function(){switch(this.token.type){case"space":return"";case"hr":return this.renderer.hr();case"heading":return this.renderer.heading(this.inline.output(this.token.text),this.token.depth,this.token.text);case"code":return this.renderer.code(this.token.text,this.token.lang,this.token.escaped);case"table":var e,t,n,r,i,o="",l="";for(n="",e=0;e=12&&(a=i-12,l="pm"),0==a&&(a=12),o=10>o?"0"+o:o,n.innerHTML="Autosaved: "+a+":"+o+" "+l}setTimeout(function(){t.autosave()},this.options.autosave.delay||1e4)},SimpleMDE.prototype.createSideBySide=function(){var e=this.codemirror,t=e.getWrapperElement(),n=t.nextSibling;n&&/editor-preview-side/.test(n.className)||(n=document.createElement("div"),n.className="editor-preview-side",t.parentNode.insertBefore(n,t.nextSibling));var r=!1,i=!1;return e.on("scroll",function(e){return r?void(r=!1):(i=!0,height=e.getScrollInfo().height-e.getScrollInfo().clientHeight,ratio=parseFloat(e.getScrollInfo().top)/height,move=(n.scrollHeight-n.clientHeight)*ratio,void(n.scrollTop=move))}),n.onscroll=function(t){return i?void(i=!1):(r=!0,height=n.scrollHeight-n.clientHeight,ratio=parseFloat(n.scrollTop)/height,move=(e.getScrollInfo().height-e.getScrollInfo().clientHeight)*ratio,void e.scrollTo(0,move))},!0},SimpleMDE.prototype.createToolbar=function(e){if(e=e||this.options.toolbar,e&&0!==e.length){for(var t=0;t v<%= pkg.version %>",
@@ -15,85 +20,51 @@ var banner = ["/**",
" */",
""].join("\n");
-gulp.task("downloads-codemirror", function(callback) {
- var download_urls = [
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/lib/codemirror.js",
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/addon/edit/continuelist.js",
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/addon/display/fullscreen.js",
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/addon/mode/overlay.js",
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/mode/gfm/gfm.js",
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/mode/markdown/markdown.js",
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/mode/xml/xml.js"];
-
- download(download_urls)
- .pipe(gulp.dest("src/js/codemirror/"));
-
- // Wait to make sure they've been downloaded
- setTimeout(function() {
- callback();
- }, 5000);
+gulp.task("lint", function() {
+ gulp.src("./src/js/**/*.js")
+ .pipe(debug())
+ .pipe(eslint())
+ .pipe(eslint.format());
});
-gulp.task("downloads-js", function(callback) {
- var download_urls = [
- "https://raw.githubusercontent.com/chjj/marked/master/lib/marked.js",
- "https://raw.githubusercontent.com/NextStepWebs/codemirror-spell-checker/master/src/js/spell-checker.js",
- "https://raw.githubusercontent.com/NextStepWebs/codemirror-spell-checker/master/src/js/typo.js"];
-
- download(download_urls)
- .pipe(gulp.dest("src/js/"));
-
- // Wait to make sure they've been downloaded
- setTimeout(function() {
- callback();
- }, 5000);
-});
+function taskBrowserify(opts) {
+ return browserify("./src/js/simplemde.js", opts)
+ .bundle();
+
+}
-gulp.task("downloads-css", function(callback) {
- var download_urls = [
- "https://raw.githubusercontent.com/codemirror/CodeMirror/master/lib/codemirror.css",
- "https://raw.githubusercontent.com/NextStepWebs/codemirror-spell-checker/master/src/css/spell-checker.css"];
-
- download(download_urls)
- .pipe(gulp.dest("src/css/"));
-
- // Wait to make sure they've been downloaded
- setTimeout(function() {
- callback();
- }, 5000);
+gulp.task("browserify:dev", [], function() {
+ return taskBrowserify({debug:true, standalone:"SimpleMDE"})
+ .pipe(source("simplemde.debug.js"))
+ .pipe(gulp.dest("./dist/"));
});
-gulp.task("scripts", ["downloads-codemirror", "downloads-js", "downloads-css"], function() {
- var js_files = [
- "./src/js/codemirror/codemirror.js",
- "./src/js/codemirror/continuelist.js",
- "./src/js/codemirror/tablist.js",
- "./src/js/codemirror/fullscreen.js",
- "./src/js/codemirror/markdown.js",
- "./src/js/codemirror/overlay.js",
- "./src/js/codemirror/gfm.js",
- "./src/js/codemirror/xml.js",
- "./src/js/typo.js",
- "./src/js/spell-checker.js",
- "./src/js/marked.js",
- "./src/js/simplemde.js"];
+gulp.task("browserify:prod", [], function() {
+ return taskBrowserify({standalone:"SimpleMDE"})
+ .pipe(source("simplemde.js"))
+ .pipe(gulp.dest("./dist/"));
+});
+gulp.task("scripts", ["browserify:dev", "browserify:prod", "lint"], function() {
+ var js_files = ["./dist/simplemde.js"];
return gulp.src(js_files)
- .pipe(header(banner, {pkg: pkg}))
.pipe(concat("simplemde.min.js"))
- .pipe(gulp.dest("dist"))
.pipe(uglify())
.pipe(header(banner, {pkg: pkg}))
- .pipe(gulp.dest("dist"));
+ .pipe(gulp.dest("./dist/"));
});
-gulp.task("styles", ["downloads-codemirror", "downloads-js", "downloads-css"], function() {
- return gulp.src("./src/css/*.css")
+gulp.task("styles", function() {
+ var css_files = [
+ "./src/css/*.css",
+ "./node_modules/codemirror/lib/codemirror.css",
+ "./node_modules/codemirror-spell-checker/src/css/spell-checker.css"
+ ];
+ return gulp.src(css_files)
.pipe(concat("simplemde.min.css"))
- .pipe(gulp.dest("dist"))
.pipe(minifycss())
.pipe(header(banner, {pkg: pkg}))
- .pipe(gulp.dest("dist"));
+ .pipe(gulp.dest("./dist/"));
});
gulp.task("prettify-js", function() {
@@ -108,4 +79,4 @@ gulp.task("prettify-css", function() {
.pipe(gulp.dest("./src/css"));
});
-gulp.task("default", ["downloads-codemirror", "downloads-js", "downloads-css", "scripts", "styles", "prettify-js", "prettify-css"]);
\ No newline at end of file
+gulp.task("default", ["scripts", "styles"]);
\ No newline at end of file
diff --git a/package.json b/package.json
index db5440a..3aa8df1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
{
"name": "simplemde",
- "version": "1.7.5",
+ "version": "1.7.6",
"description": "A simple, beautiful, and embeddable JavaScript markdown editor. Features autosaving and spell checking.",
"keywords": [
"embeddable",
@@ -10,7 +10,7 @@
"wysiwyg"
],
"homepage": "https://github.com/NextStepWebs/simplemde-markdown-editor",
- "main": "gulpfile.js",
+ "main": "./src/js/simplemde.js",
"license": "MIT",
"company": "Next Step Webs, Inc.",
"author": {
@@ -20,14 +20,24 @@
"bugs": {
"url": "https://github.com/NextStepWebs/simplemde-markdown-editor/issues"
},
+ "dependencies": {
+ "codemirror": "^5.7.0",
+ "codemirror-spell-checker": "NextStepWebs/codemirror-spell-checker",
+ "marked": "chjj/marked"
+ },
"devDependencies": {
+ "browserify": "^11.2.0",
+ "debug": "^2.2.0",
+ "eslint": "^1.6.0",
"gulp": "*",
- "gulp-minify-css": "*",
- "gulp-uglify": "*",
"gulp-concat": "*",
+ "gulp-debug": "^2.1.1",
+ "gulp-eslint": "^1.0.0",
"gulp-header": "*",
"gulp-jsbeautifier": "*",
- "gulp-download": "*"
+ "gulp-minify-css": "*",
+ "gulp-uglify": "*",
+ "vinyl-source-stream": "^1.1.0"
},
"repository": {
"type": "git",
diff --git a/src/css/codemirror.css b/src/css/codemirror.css
deleted file mode 100644
index 3543523..0000000
--- a/src/css/codemirror.css
+++ /dev/null
@@ -1,334 +0,0 @@
-/* BASICS */
-
-.CodeMirror {
- /* Set height, width, borders, and global font properties here */
- font-family: monospace;
- height: 300px;
- color: black;
-}
-
-/* PADDING */
-
-.CodeMirror-lines {
- padding: 4px 0; /* Vertical padding around content */
-}
-.CodeMirror pre {
- padding: 0 4px; /* Horizontal padding of content */
-}
-
-.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
- background-color: white; /* The little square between H and V scrollbars */
-}
-
-/* GUTTER */
-
-.CodeMirror-gutters {
- border-right: 1px solid #ddd;
- background-color: #f7f7f7;
- white-space: nowrap;
-}
-.CodeMirror-linenumbers {}
-.CodeMirror-linenumber {
- padding: 0 3px 0 5px;
- min-width: 20px;
- text-align: right;
- color: #999;
- white-space: nowrap;
-}
-
-.CodeMirror-guttermarker { color: black; }
-.CodeMirror-guttermarker-subtle { color: #999; }
-
-/* CURSOR */
-
-.CodeMirror-cursor {
- border-left: 1px solid black;
- border-right: none;
- width: 0;
-}
-/* Shown when moving in bi-directional text */
-.CodeMirror div.CodeMirror-secondarycursor {
- border-left: 1px solid silver;
-}
-.cm-fat-cursor .CodeMirror-cursor {
- width: auto;
- border: 0;
- background: #7e7;
-}
-.cm-fat-cursor div.CodeMirror-cursors {
- z-index: 1;
-}
-
-.cm-animate-fat-cursor {
- width: auto;
- border: 0;
- -webkit-animation: blink 1.06s steps(1) infinite;
- -moz-animation: blink 1.06s steps(1) infinite;
- animation: blink 1.06s steps(1) infinite;
- background-color: #7e7;
-}
-@-moz-keyframes blink {
- 0% {}
- 50% { background-color: transparent; }
- 100% {}
-}
-@-webkit-keyframes blink {
- 0% {}
- 50% { background-color: transparent; }
- 100% {}
-}
-@keyframes blink {
- 0% {}
- 50% { background-color: transparent; }
- 100% {}
-}
-
-/* Can style cursor different in overwrite (non-insert) mode */
-.CodeMirror-overwrite .CodeMirror-cursor {}
-
-.cm-tab { display: inline-block; text-decoration: inherit; }
-
-.CodeMirror-ruler {
- border-left: 1px solid #ccc;
- position: absolute;
-}
-
-/* DEFAULT THEME */
-
-.cm-s-default .cm-header {color: blue;}
-.cm-s-default .cm-quote {color: #090;}
-.cm-negative {color: #d44;}
-.cm-positive {color: #292;}
-.cm-header, .cm-strong {font-weight: bold;}
-.cm-em {font-style: italic;}
-.cm-link {text-decoration: underline;}
-.cm-strikethrough {text-decoration: line-through;}
-
-.cm-s-default .cm-keyword {color: #708;}
-.cm-s-default .cm-atom {color: #219;}
-.cm-s-default .cm-number {color: #164;}
-.cm-s-default .cm-def {color: #00f;}
-.cm-s-default .cm-variable,
-.cm-s-default .cm-punctuation,
-.cm-s-default .cm-property,
-.cm-s-default .cm-operator {}
-.cm-s-default .cm-variable-2 {color: #05a;}
-.cm-s-default .cm-variable-3 {color: #085;}
-.cm-s-default .cm-comment {color: #a50;}
-.cm-s-default .cm-string {color: #a11;}
-.cm-s-default .cm-string-2 {color: #f50;}
-.cm-s-default .cm-meta {color: #555;}
-.cm-s-default .cm-qualifier {color: #555;}
-.cm-s-default .cm-builtin {color: #30a;}
-.cm-s-default .cm-bracket {color: #997;}
-.cm-s-default .cm-tag {color: #170;}
-.cm-s-default .cm-attribute {color: #00c;}
-.cm-s-default .cm-hr {color: #999;}
-.cm-s-default .cm-link {color: #00c;}
-
-.cm-s-default .cm-error {color: #f00;}
-.cm-invalidchar {color: #f00;}
-
-.CodeMirror-composing { border-bottom: 2px solid; }
-
-/* Default styles for common addons */
-
-div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
-div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
-.CodeMirror-matchingtag { background: rgba(255, 150, 0, .3); }
-.CodeMirror-activeline-background {background: #e8f2ff;}
-
-/* STOP */
-
-/* The rest of this file contains styles related to the mechanics of
- the editor. You probably shouldn't touch them. */
-
-.CodeMirror {
- position: relative;
- overflow: hidden;
- background: white;
-}
-
-.CodeMirror-scroll {
- overflow: scroll !important; /* Things will break if this is overridden */
- /* 30px is the magic margin used to hide the element's real scrollbars */
- /* See overflow: hidden in .CodeMirror */
- margin-bottom: -30px; margin-right: -30px;
- padding-bottom: 30px;
- height: 100%;
- outline: none; /* Prevent dragging from highlighting the element */
- position: relative;
-}
-.CodeMirror-sizer {
- position: relative;
- border-right: 30px solid transparent;
-}
-
-/* The fake, visible scrollbars. Used to force redraw during scrolling
- before actuall scrolling happens, thus preventing shaking and
- flickering artifacts. */
-.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
- position: absolute;
- z-index: 6;
- display: none;
-}
-.CodeMirror-vscrollbar {
- right: 0; top: 0;
- overflow-x: hidden;
- overflow-y: scroll;
-}
-.CodeMirror-hscrollbar {
- bottom: 0; left: 0;
- overflow-y: hidden;
- overflow-x: scroll;
-}
-.CodeMirror-scrollbar-filler {
- right: 0; bottom: 0;
-}
-.CodeMirror-gutter-filler {
- left: 0; bottom: 0;
-}
-
-.CodeMirror-gutters {
- position: absolute; left: 0; top: 0;
- z-index: 3;
-}
-.CodeMirror-gutter {
- white-space: normal;
- height: 100%;
- display: inline-block;
- margin-bottom: -30px;
- /* Hack to make IE7 behave */
- *zoom:1;
- *display:inline;
-}
-.CodeMirror-gutter-wrapper {
- position: absolute;
- z-index: 4;
- background: none !important;
- border: none !important;
-}
-.CodeMirror-gutter-background {
- position: absolute;
- top: 0; bottom: 0;
- z-index: 4;
-}
-.CodeMirror-gutter-elt {
- position: absolute;
- cursor: default;
- z-index: 4;
-}
-.CodeMirror-gutter-wrapper {
- -webkit-user-select: none;
- -moz-user-select: none;
- user-select: none;
-}
-
-.CodeMirror-lines {
- cursor: text;
- min-height: 1px; /* prevents collapsing before first draw */
-}
-.CodeMirror pre {
- /* Reset some styles that the rest of the page might have set */
- -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
- border-width: 0;
- background: transparent;
- font-family: inherit;
- font-size: inherit;
- margin: 0;
- white-space: pre;
- word-wrap: normal;
- line-height: inherit;
- color: inherit;
- z-index: 2;
- position: relative;
- overflow: visible;
- -webkit-tap-highlight-color: transparent;
-}
-.CodeMirror-wrap pre {
- word-wrap: break-word;
- white-space: pre-wrap;
- word-break: normal;
-}
-
-.CodeMirror-linebackground {
- position: absolute;
- left: 0; right: 0; top: 0; bottom: 0;
- z-index: 0;
-}
-
-.CodeMirror-linewidget {
- position: relative;
- z-index: 2;
- overflow: auto;
-}
-
-.CodeMirror-widget {}
-
-.CodeMirror-code {
- outline: none;
-}
-
-/* Force content-box sizing for the elements where we expect it */
-.CodeMirror-scroll,
-.CodeMirror-sizer,
-.CodeMirror-gutter,
-.CodeMirror-gutters,
-.CodeMirror-linenumber {
- -moz-box-sizing: content-box;
- box-sizing: content-box;
-}
-
-.CodeMirror-measure {
- position: absolute;
- width: 100%;
- height: 0;
- overflow: hidden;
- visibility: hidden;
-}
-
-.CodeMirror-cursor { position: absolute; }
-.CodeMirror-measure pre { position: static; }
-
-div.CodeMirror-cursors {
- visibility: hidden;
- position: relative;
- z-index: 3;
-}
-div.CodeMirror-dragcursors {
- visibility: visible;
-}
-
-.CodeMirror-focused div.CodeMirror-cursors {
- visibility: visible;
-}
-
-.CodeMirror-selected { background: #d9d9d9; }
-.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
-.CodeMirror-crosshair { cursor: crosshair; }
-.CodeMirror-line::selection, .CodeMirror-line > span::selection, .CodeMirror-line > span > span::selection { background: #d7d4f0; }
-.CodeMirror-line::-moz-selection, .CodeMirror-line > span::-moz-selection, .CodeMirror-line > span > span::-moz-selection { background: #d7d4f0; }
-
-.cm-searching {
- background: #ffa;
- background: rgba(255, 255, 0, .4);
-}
-
-/* IE7 hack to prevent it from returning funny offsetTops on the spans */
-.CodeMirror span { *vertical-align: text-bottom; }
-
-/* Used to force a border model for a node */
-.cm-force-border { padding-right: .1px; }
-
-@media print {
- /* Hide the cursor when printing */
- .CodeMirror div.CodeMirror-cursors {
- visibility: hidden;
- }
-}
-
-/* See issue #2901 */
-.cm-tab-wrap-hack:after { content: ''; }
-
-/* Help users use markselection to safely style text background */
-span.CodeMirror-selectedtext { background: none; }
diff --git a/src/css/spell-checker.css b/src/css/spell-checker.css
deleted file mode 100644
index f7f3ca3..0000000
--- a/src/css/spell-checker.css
+++ /dev/null
@@ -1,3 +0,0 @@
-.CodeMirror .cm-spell-error:not(.cm-url):not(.cm-comment) {
- background: rgba(255, 0, 0, .15);
-}
\ No newline at end of file
diff --git a/src/js/codemirror/codemirror.js b/src/js/codemirror/codemirror.js
deleted file mode 100644
index 63a6229..0000000
--- a/src/js/codemirror/codemirror.js
+++ /dev/null
@@ -1,8848 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-// This is CodeMirror (http://codemirror.net), a code editor
-// implemented in JavaScript on top of the browser's DOM.
-//
-// You can find some technical background for some of the code below
-// at http://marijnhaverbeke.nl/blog/#cm-internals .
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- module.exports = mod();
- else if (typeof define == "function" && define.amd) // AMD
- return define([], mod);
- else // Plain browser env
- this.CodeMirror = mod();
-})(function() {
- "use strict";
-
- // BROWSER SNIFFING
-
- // Kludges for bugs and behavior differences that can't be feature
- // detected are enabled based on userAgent etc sniffing.
-
- var gecko = /gecko\/\d/i.test(navigator.userAgent);
- var ie_upto10 = /MSIE \d/.test(navigator.userAgent);
- var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent);
- var ie = ie_upto10 || ie_11up;
- var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : ie_11up[1]);
- var webkit = /WebKit\//.test(navigator.userAgent);
- var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(navigator.userAgent);
- var chrome = /Chrome\//.test(navigator.userAgent);
- var presto = /Opera\//.test(navigator.userAgent);
- var safari = /Apple Computer/.test(navigator.vendor);
- var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(navigator.userAgent);
- var phantom = /PhantomJS/.test(navigator.userAgent);
-
- var ios = /AppleWebKit/.test(navigator.userAgent) && /Mobile\/\w+/.test(navigator.userAgent);
- // This is woefully incomplete. Suggestions for alternative methods welcome.
- var mobile = ios || /Android|webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(navigator.userAgent);
- var mac = ios || /Mac/.test(navigator.platform);
- var windows = /win/i.test(navigator.platform);
-
- var presto_version = presto && navigator.userAgent.match(/Version\/(\d*\.\d*)/);
- if (presto_version) presto_version = Number(presto_version[1]);
- if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
- // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
- var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
- var captureRightClick = gecko || (ie && ie_version >= 9);
-
- // Optimize some code when these features are not used.
- var sawReadOnlySpans = false, sawCollapsedSpans = false;
-
- // EDITOR CONSTRUCTOR
-
- // A CodeMirror instance represents an editor. This is the object
- // that user code is usually dealing with.
-
- function CodeMirror(place, options) {
- if (!(this instanceof CodeMirror)) return new CodeMirror(place, options);
-
- this.options = options = options ? copyObj(options) : {};
- // Determine effective options based on given values and defaults.
- copyObj(defaults, options, false);
- setGuttersForLineNumbers(options);
-
- var doc = options.value;
- if (typeof doc == "string") doc = new Doc(doc, options.mode, null, options.lineSeparator);
- this.doc = doc;
-
- var input = new CodeMirror.inputStyles[options.inputStyle](this);
- var display = this.display = new Display(place, doc, input);
- display.wrapper.CodeMirror = this;
- updateGutters(this);
- themeChanged(this);
- if (options.lineWrapping)
- this.display.wrapper.className += " CodeMirror-wrap";
- if (options.autofocus && !mobile) display.input.focus();
- initScrollbars(this);
-
- this.state = {
- keyMaps: [], // stores maps added by addKeyMap
- overlays: [], // highlighting overlays, as added by addOverlay
- modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
- overwrite: false,
- delayingBlurEvent: false,
- focused: false,
- suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
- pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
- selectingText: false,
- draggingText: false,
- highlight: new Delayed(), // stores highlight worker timeout
- keySeq: null, // Unfinished key sequence
- specialChars: null
- };
-
- var cm = this;
-
- // Override magic textarea content restore that IE sometimes does
- // on our hidden textarea on reload
- if (ie && ie_version < 11) setTimeout(function() { cm.display.input.reset(true); }, 20);
-
- registerEventHandlers(this);
- ensureGlobalHandlers();
-
- startOperation(this);
- this.curOp.forceUpdate = true;
- attachDoc(this, doc);
-
- if ((options.autofocus && !mobile) || cm.hasFocus())
- setTimeout(bind(onFocus, this), 20);
- else
- onBlur(this);
-
- for (var opt in optionHandlers) if (optionHandlers.hasOwnProperty(opt))
- optionHandlers[opt](this, options[opt], Init);
- maybeUpdateLineNumberWidth(this);
- if (options.finishInit) options.finishInit(this);
- for (var i = 0; i < initHooks.length; ++i) initHooks[i](this);
- endOperation(this);
- // Suppress optimizelegibility in Webkit, since it breaks text
- // measuring on line wrapping boundaries.
- if (webkit && options.lineWrapping &&
- getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
- display.lineDiv.style.textRendering = "auto";
- }
-
- // DISPLAY CONSTRUCTOR
-
- // The display handles the DOM integration, both for input reading
- // and content drawing. It holds references to DOM nodes and
- // display-related state.
-
- function Display(place, doc, input) {
- var d = this;
- this.input = input;
-
- // Covers bottom-right square when both scrollbars are present.
- d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
- d.scrollbarFiller.setAttribute("cm-not-content", "true");
- // Covers bottom of gutter when coverGutterNextToScrollbar is on
- // and h scrollbar is present.
- d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
- d.gutterFiller.setAttribute("cm-not-content", "true");
- // Will contain the actual code, positioned to cover the viewport.
- d.lineDiv = elt("div", null, "CodeMirror-code");
- // Elements are added to these to represent selection and cursors.
- d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
- d.cursorDiv = elt("div", null, "CodeMirror-cursors");
- // A visibility: hidden element used to find the size of things.
- d.measure = elt("div", null, "CodeMirror-measure");
- // When lines outside of the viewport are measured, they are drawn in this.
- d.lineMeasure = elt("div", null, "CodeMirror-measure");
- // Wraps everything that needs to exist inside the vertically-padded coordinate system
- d.lineSpace = elt("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
- null, "position: relative; outline: none");
- // Moved around its parent to cover visible view.
- d.mover = elt("div", [elt("div", [d.lineSpace], "CodeMirror-lines")], null, "position: relative");
- // Set to the height of the document, allowing scrolling.
- d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
- d.sizerWidth = null;
- // Behavior of elts with overflow: auto and padding is
- // inconsistent across browsers. This is used to ensure the
- // scrollable area is big enough.
- d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
- // Will contain the gutters, if any.
- d.gutters = elt("div", null, "CodeMirror-gutters");
- d.lineGutter = null;
- // Actual scrollable element.
- d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
- d.scroller.setAttribute("tabIndex", "-1");
- // The element in which the editor lives.
- d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
-
- // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
- if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
- if (!webkit && !(gecko && mobile)) d.scroller.draggable = true;
-
- if (place) {
- if (place.appendChild) place.appendChild(d.wrapper);
- else place(d.wrapper);
- }
-
- // Current rendered range (may be bigger than the view window).
- d.viewFrom = d.viewTo = doc.first;
- d.reportedViewFrom = d.reportedViewTo = doc.first;
- // Information about the rendered lines.
- d.view = [];
- d.renderedView = null;
- // Holds info about a single rendered line when it was rendered
- // for measurement, while not in view.
- d.externalMeasured = null;
- // Empty space (in pixels) above the view
- d.viewOffset = 0;
- d.lastWrapHeight = d.lastWrapWidth = 0;
- d.updateLineNumbers = null;
-
- d.nativeBarWidth = d.barHeight = d.barWidth = 0;
- d.scrollbarsClipped = false;
-
- // Used to only resize the line number gutter when necessary (when
- // the amount of lines crosses a boundary that makes its width change)
- d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
- // Set to true when a non-horizontal-scrolling line widget is
- // added. As an optimization, line widget aligning is skipped when
- // this is false.
- d.alignWidgets = false;
-
- d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
-
- // Tracks the maximum line length so that the horizontal scrollbar
- // can be kept static when scrolling.
- d.maxLine = null;
- d.maxLineLength = 0;
- d.maxLineChanged = false;
-
- // Used for measuring wheel scrolling granularity
- d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
-
- // True when shift is held down.
- d.shift = false;
-
- // Used to track whether anything happened since the context menu
- // was opened.
- d.selForContextMenu = null;
-
- d.activeTouch = null;
-
- input.init(d);
- }
-
- // STATE UPDATES
-
- // Used to get the editor into a consistent state again when options change.
-
- function loadMode(cm) {
- cm.doc.mode = CodeMirror.getMode(cm.options, cm.doc.modeOption);
- resetModeState(cm);
- }
-
- function resetModeState(cm) {
- cm.doc.iter(function(line) {
- if (line.stateAfter) line.stateAfter = null;
- if (line.styles) line.styles = null;
- });
- cm.doc.frontier = cm.doc.first;
- startWorker(cm, 100);
- cm.state.modeGen++;
- if (cm.curOp) regChange(cm);
- }
-
- function wrappingChanged(cm) {
- if (cm.options.lineWrapping) {
- addClass(cm.display.wrapper, "CodeMirror-wrap");
- cm.display.sizer.style.minWidth = "";
- cm.display.sizerWidth = null;
- } else {
- rmClass(cm.display.wrapper, "CodeMirror-wrap");
- findMaxLine(cm);
- }
- estimateLineHeights(cm);
- regChange(cm);
- clearCaches(cm);
- setTimeout(function(){updateScrollbars(cm);}, 100);
- }
-
- // Returns a function that estimates the height of a line, to use as
- // first approximation until the line becomes visible (and is thus
- // properly measurable).
- function estimateHeight(cm) {
- var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
- var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
- return function(line) {
- if (lineIsHidden(cm.doc, line)) return 0;
-
- var widgetsHeight = 0;
- if (line.widgets) for (var i = 0; i < line.widgets.length; i++) {
- if (line.widgets[i].height) widgetsHeight += line.widgets[i].height;
- }
-
- if (wrapping)
- return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th;
- else
- return widgetsHeight + th;
- };
- }
-
- function estimateLineHeights(cm) {
- var doc = cm.doc, est = estimateHeight(cm);
- doc.iter(function(line) {
- var estHeight = est(line);
- if (estHeight != line.height) updateLineHeight(line, estHeight);
- });
- }
-
- function themeChanged(cm) {
- cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
- cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
- clearCaches(cm);
- }
-
- function guttersChanged(cm) {
- updateGutters(cm);
- regChange(cm);
- setTimeout(function(){alignHorizontally(cm);}, 20);
- }
-
- // Rebuild the gutter elements, ensure the margin to the left of the
- // code matches their width.
- function updateGutters(cm) {
- var gutters = cm.display.gutters, specs = cm.options.gutters;
- removeChildren(gutters);
- for (var i = 0; i < specs.length; ++i) {
- var gutterClass = specs[i];
- var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
- if (gutterClass == "CodeMirror-linenumbers") {
- cm.display.lineGutter = gElt;
- gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
- }
- }
- gutters.style.display = i ? "" : "none";
- updateGutterSpace(cm);
- }
-
- function updateGutterSpace(cm) {
- var width = cm.display.gutters.offsetWidth;
- cm.display.sizer.style.marginLeft = width + "px";
- }
-
- // Compute the character length of a line, taking into account
- // collapsed ranges (see markText) that might hide parts, and join
- // other lines onto it.
- function lineLength(line) {
- if (line.height == 0) return 0;
- var len = line.text.length, merged, cur = line;
- while (merged = collapsedSpanAtStart(cur)) {
- var found = merged.find(0, true);
- cur = found.from.line;
- len += found.from.ch - found.to.ch;
- }
- cur = line;
- while (merged = collapsedSpanAtEnd(cur)) {
- var found = merged.find(0, true);
- len -= cur.text.length - found.from.ch;
- cur = found.to.line;
- len += cur.text.length - found.to.ch;
- }
- return len;
- }
-
- // Find the longest line in the document.
- function findMaxLine(cm) {
- var d = cm.display, doc = cm.doc;
- d.maxLine = getLine(doc, doc.first);
- d.maxLineLength = lineLength(d.maxLine);
- d.maxLineChanged = true;
- doc.iter(function(line) {
- var len = lineLength(line);
- if (len > d.maxLineLength) {
- d.maxLineLength = len;
- d.maxLine = line;
- }
- });
- }
-
- // Make sure the gutters options contains the element
- // "CodeMirror-linenumbers" when the lineNumbers option is true.
- function setGuttersForLineNumbers(options) {
- var found = indexOf(options.gutters, "CodeMirror-linenumbers");
- if (found == -1 && options.lineNumbers) {
- options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
- } else if (found > -1 && !options.lineNumbers) {
- options.gutters = options.gutters.slice(0);
- options.gutters.splice(found, 1);
- }
- }
-
- // SCROLLBARS
-
- // Prepare DOM reads needed to update the scrollbars. Done in one
- // shot to minimize update/measure roundtrips.
- function measureForScrollbars(cm) {
- var d = cm.display, gutterW = d.gutters.offsetWidth;
- var docH = Math.round(cm.doc.height + paddingVert(cm.display));
- return {
- clientHeight: d.scroller.clientHeight,
- viewHeight: d.wrapper.clientHeight,
- scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
- viewWidth: d.wrapper.clientWidth,
- barLeft: cm.options.fixedGutter ? gutterW : 0,
- docHeight: docH,
- scrollHeight: docH + scrollGap(cm) + d.barHeight,
- nativeBarWidth: d.nativeBarWidth,
- gutterWidth: gutterW
- };
- }
-
- function NativeScrollbars(place, scroll, cm) {
- this.cm = cm;
- var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
- var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
- place(vert); place(horiz);
-
- on(vert, "scroll", function() {
- if (vert.clientHeight) scroll(vert.scrollTop, "vertical");
- });
- on(horiz, "scroll", function() {
- if (horiz.clientWidth) scroll(horiz.scrollLeft, "horizontal");
- });
-
- this.checkedOverlay = false;
- // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
- if (ie && ie_version < 8) this.horiz.style.minHeight = this.vert.style.minWidth = "18px";
- }
-
- NativeScrollbars.prototype = copyObj({
- update: function(measure) {
- var needsH = measure.scrollWidth > measure.clientWidth + 1;
- var needsV = measure.scrollHeight > measure.clientHeight + 1;
- var sWidth = measure.nativeBarWidth;
-
- if (needsV) {
- this.vert.style.display = "block";
- this.vert.style.bottom = needsH ? sWidth + "px" : "0";
- var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
- // A bug in IE8 can cause this value to be negative, so guard it.
- this.vert.firstChild.style.height =
- Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
- } else {
- this.vert.style.display = "";
- this.vert.firstChild.style.height = "0";
- }
-
- if (needsH) {
- this.horiz.style.display = "block";
- this.horiz.style.right = needsV ? sWidth + "px" : "0";
- this.horiz.style.left = measure.barLeft + "px";
- var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
- this.horiz.firstChild.style.width =
- (measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
- } else {
- this.horiz.style.display = "";
- this.horiz.firstChild.style.width = "0";
- }
-
- if (!this.checkedOverlay && measure.clientHeight > 0) {
- if (sWidth == 0) this.overlayHack();
- this.checkedOverlay = true;
- }
-
- return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0};
- },
- setScrollLeft: function(pos) {
- if (this.horiz.scrollLeft != pos) this.horiz.scrollLeft = pos;
- },
- setScrollTop: function(pos) {
- if (this.vert.scrollTop != pos) this.vert.scrollTop = pos;
- },
- overlayHack: function() {
- var w = mac && !mac_geMountainLion ? "12px" : "18px";
- this.horiz.style.minHeight = this.vert.style.minWidth = w;
- var self = this;
- var barMouseDown = function(e) {
- if (e_target(e) != self.vert && e_target(e) != self.horiz)
- operation(self.cm, onMouseDown)(e);
- };
- on(this.vert, "mousedown", barMouseDown);
- on(this.horiz, "mousedown", barMouseDown);
- },
- clear: function() {
- var parent = this.horiz.parentNode;
- parent.removeChild(this.horiz);
- parent.removeChild(this.vert);
- }
- }, NativeScrollbars.prototype);
-
- function NullScrollbars() {}
-
- NullScrollbars.prototype = copyObj({
- update: function() { return {bottom: 0, right: 0}; },
- setScrollLeft: function() {},
- setScrollTop: function() {},
- clear: function() {}
- }, NullScrollbars.prototype);
-
- CodeMirror.scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
-
- function initScrollbars(cm) {
- if (cm.display.scrollbars) {
- cm.display.scrollbars.clear();
- if (cm.display.scrollbars.addClass)
- rmClass(cm.display.wrapper, cm.display.scrollbars.addClass);
- }
-
- cm.display.scrollbars = new CodeMirror.scrollbarModel[cm.options.scrollbarStyle](function(node) {
- cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
- // Prevent clicks in the scrollbars from killing focus
- on(node, "mousedown", function() {
- if (cm.state.focused) setTimeout(function() { cm.display.input.focus(); }, 0);
- });
- node.setAttribute("cm-not-content", "true");
- }, function(pos, axis) {
- if (axis == "horizontal") setScrollLeft(cm, pos);
- else setScrollTop(cm, pos);
- }, cm);
- if (cm.display.scrollbars.addClass)
- addClass(cm.display.wrapper, cm.display.scrollbars.addClass);
- }
-
- function updateScrollbars(cm, measure) {
- if (!measure) measure = measureForScrollbars(cm);
- var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
- updateScrollbarsInner(cm, measure);
- for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
- if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
- updateHeightsInViewport(cm);
- updateScrollbarsInner(cm, measureForScrollbars(cm));
- startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
- }
- }
-
- // Re-synchronize the fake scrollbars with the actual size of the
- // content.
- function updateScrollbarsInner(cm, measure) {
- var d = cm.display;
- var sizes = d.scrollbars.update(measure);
-
- d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
- d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
-
- if (sizes.right && sizes.bottom) {
- d.scrollbarFiller.style.display = "block";
- d.scrollbarFiller.style.height = sizes.bottom + "px";
- d.scrollbarFiller.style.width = sizes.right + "px";
- } else d.scrollbarFiller.style.display = "";
- if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
- d.gutterFiller.style.display = "block";
- d.gutterFiller.style.height = sizes.bottom + "px";
- d.gutterFiller.style.width = measure.gutterWidth + "px";
- } else d.gutterFiller.style.display = "";
- }
-
- // Compute the lines that are visible in a given viewport (defaults
- // the the current scroll position). viewport may contain top,
- // height, and ensure (see op.scrollToPos) properties.
- function visibleLines(display, doc, viewport) {
- var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
- top = Math.floor(top - paddingTop(display));
- var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
-
- var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
- // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
- // forces those lines into the viewport (if possible).
- if (viewport && viewport.ensure) {
- var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
- if (ensureFrom < from) {
- from = ensureFrom;
- to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
- } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
- from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
- to = ensureTo;
- }
- }
- return {from: from, to: Math.max(to, from + 1)};
- }
-
- // LINE NUMBERS
-
- // Re-align line numbers and gutter marks to compensate for
- // horizontal scrolling.
- function alignHorizontally(cm) {
- var display = cm.display, view = display.view;
- if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) return;
- var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
- var gutterW = display.gutters.offsetWidth, left = comp + "px";
- for (var i = 0; i < view.length; i++) if (!view[i].hidden) {
- if (cm.options.fixedGutter && view[i].gutter)
- view[i].gutter.style.left = left;
- var align = view[i].alignable;
- if (align) for (var j = 0; j < align.length; j++)
- align[j].style.left = left;
- }
- if (cm.options.fixedGutter)
- display.gutters.style.left = (comp + gutterW) + "px";
- }
-
- // Used to ensure that the line number gutter is still the right
- // size for the current document size. Returns true when an update
- // is needed.
- function maybeUpdateLineNumberWidth(cm) {
- if (!cm.options.lineNumbers) return false;
- var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
- if (last.length != display.lineNumChars) {
- var test = display.measure.appendChild(elt("div", [elt("div", last)],
- "CodeMirror-linenumber CodeMirror-gutter-elt"));
- var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
- display.lineGutter.style.width = "";
- display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
- display.lineNumWidth = display.lineNumInnerWidth + padding;
- display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
- display.lineGutter.style.width = display.lineNumWidth + "px";
- updateGutterSpace(cm);
- return true;
- }
- return false;
- }
-
- function lineNumberFor(options, i) {
- return String(options.lineNumberFormatter(i + options.firstLineNumber));
- }
-
- // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
- // but using getBoundingClientRect to get a sub-pixel-accurate
- // result.
- function compensateForHScroll(display) {
- return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left;
- }
-
- // DISPLAY DRAWING
-
- function DisplayUpdate(cm, viewport, force) {
- var display = cm.display;
-
- this.viewport = viewport;
- // Store some values that we'll need later (but don't want to force a relayout for)
- this.visible = visibleLines(display, cm.doc, viewport);
- this.editorIsHidden = !display.wrapper.offsetWidth;
- this.wrapperHeight = display.wrapper.clientHeight;
- this.wrapperWidth = display.wrapper.clientWidth;
- this.oldDisplayWidth = displayWidth(cm);
- this.force = force;
- this.dims = getDimensions(cm);
- this.events = [];
- }
-
- DisplayUpdate.prototype.signal = function(emitter, type) {
- if (hasHandler(emitter, type))
- this.events.push(arguments);
- };
- DisplayUpdate.prototype.finish = function() {
- for (var i = 0; i < this.events.length; i++)
- signal.apply(null, this.events[i]);
- };
-
- function maybeClipScrollbars(cm) {
- var display = cm.display;
- if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
- display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
- display.heightForcer.style.height = scrollGap(cm) + "px";
- display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
- display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
- display.scrollbarsClipped = true;
- }
- }
-
- // Does the actual updating of the line display. Bails out
- // (returning false) when there is nothing to be done and forced is
- // false.
- function updateDisplayIfNeeded(cm, update) {
- var display = cm.display, doc = cm.doc;
-
- if (update.editorIsHidden) {
- resetView(cm);
- return false;
- }
-
- // Bail out if the visible area is already rendered and nothing changed.
- if (!update.force &&
- update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
- (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
- display.renderedView == display.view && countDirtyView(cm) == 0)
- return false;
-
- if (maybeUpdateLineNumberWidth(cm)) {
- resetView(cm);
- update.dims = getDimensions(cm);
- }
-
- // Compute a suitable new viewport (from & to)
- var end = doc.first + doc.size;
- var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
- var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
- if (display.viewFrom < from && from - display.viewFrom < 20) from = Math.max(doc.first, display.viewFrom);
- if (display.viewTo > to && display.viewTo - to < 20) to = Math.min(end, display.viewTo);
- if (sawCollapsedSpans) {
- from = visualLineNo(cm.doc, from);
- to = visualLineEndNo(cm.doc, to);
- }
-
- var different = from != display.viewFrom || to != display.viewTo ||
- display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
- adjustView(cm, from, to);
-
- display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
- // Position the mover div to align with the current scroll position
- cm.display.mover.style.top = display.viewOffset + "px";
-
- var toUpdate = countDirtyView(cm);
- if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
- (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
- return false;
-
- // For big changes, we hide the enclosing element during the
- // update, since that speeds up the operations on most browsers.
- var focused = activeElt();
- if (toUpdate > 4) display.lineDiv.style.display = "none";
- patchDisplay(cm, display.updateLineNumbers, update.dims);
- if (toUpdate > 4) display.lineDiv.style.display = "";
- display.renderedView = display.view;
- // There might have been a widget with a focused element that got
- // hidden or updated, if so re-focus it.
- if (focused && activeElt() != focused && focused.offsetHeight) focused.focus();
-
- // Prevent selection and cursors from interfering with the scroll
- // width and height.
- removeChildren(display.cursorDiv);
- removeChildren(display.selectionDiv);
- display.gutters.style.height = display.sizer.style.minHeight = 0;
-
- if (different) {
- display.lastWrapHeight = update.wrapperHeight;
- display.lastWrapWidth = update.wrapperWidth;
- startWorker(cm, 400);
- }
-
- display.updateLineNumbers = null;
-
- return true;
- }
-
- function postUpdateDisplay(cm, update) {
- var viewport = update.viewport;
- for (var first = true;; first = false) {
- if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
- // Clip forced viewport to actual scrollable area.
- if (viewport && viewport.top != null)
- viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)};
- // Updated line heights might result in the drawn area not
- // actually covering the viewport. Keep looping until it does.
- update.visible = visibleLines(cm.display, cm.doc, viewport);
- if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
- break;
- }
- if (!updateDisplayIfNeeded(cm, update)) break;
- updateHeightsInViewport(cm);
- var barMeasure = measureForScrollbars(cm);
- updateSelection(cm);
- setDocumentHeight(cm, barMeasure);
- updateScrollbars(cm, barMeasure);
- }
-
- update.signal(cm, "update", cm);
- if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
- update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
- cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
- }
- }
-
- function updateDisplaySimple(cm, viewport) {
- var update = new DisplayUpdate(cm, viewport);
- if (updateDisplayIfNeeded(cm, update)) {
- updateHeightsInViewport(cm);
- postUpdateDisplay(cm, update);
- var barMeasure = measureForScrollbars(cm);
- updateSelection(cm);
- setDocumentHeight(cm, barMeasure);
- updateScrollbars(cm, barMeasure);
- update.finish();
- }
- }
-
- function setDocumentHeight(cm, measure) {
- cm.display.sizer.style.minHeight = measure.docHeight + "px";
- var total = measure.docHeight + cm.display.barHeight;
- cm.display.heightForcer.style.top = total + "px";
- cm.display.gutters.style.height = Math.max(total + scrollGap(cm), measure.clientHeight) + "px";
- }
-
- // Read the actual heights of the rendered lines, and update their
- // stored heights to match.
- function updateHeightsInViewport(cm) {
- var display = cm.display;
- var prevBottom = display.lineDiv.offsetTop;
- for (var i = 0; i < display.view.length; i++) {
- var cur = display.view[i], height;
- if (cur.hidden) continue;
- if (ie && ie_version < 8) {
- var bot = cur.node.offsetTop + cur.node.offsetHeight;
- height = bot - prevBottom;
- prevBottom = bot;
- } else {
- var box = cur.node.getBoundingClientRect();
- height = box.bottom - box.top;
- }
- var diff = cur.line.height - height;
- if (height < 2) height = textHeight(display);
- if (diff > .001 || diff < -.001) {
- updateLineHeight(cur.line, height);
- updateWidgetHeight(cur.line);
- if (cur.rest) for (var j = 0; j < cur.rest.length; j++)
- updateWidgetHeight(cur.rest[j]);
- }
- }
- }
-
- // Read and store the height of line widgets associated with the
- // given line.
- function updateWidgetHeight(line) {
- if (line.widgets) for (var i = 0; i < line.widgets.length; ++i)
- line.widgets[i].height = line.widgets[i].node.offsetHeight;
- }
-
- // Do a bulk-read of the DOM positions and sizes needed to draw the
- // view, so that we don't interleave reading and writing to the DOM.
- function getDimensions(cm) {
- var d = cm.display, left = {}, width = {};
- var gutterLeft = d.gutters.clientLeft;
- for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
- left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
- width[cm.options.gutters[i]] = n.clientWidth;
- }
- return {fixedPos: compensateForHScroll(d),
- gutterTotalWidth: d.gutters.offsetWidth,
- gutterLeft: left,
- gutterWidth: width,
- wrapperWidth: d.wrapper.clientWidth};
- }
-
- // Sync the actual display DOM structure with display.view, removing
- // nodes for lines that are no longer in view, and creating the ones
- // that are not there yet, and updating the ones that are out of
- // date.
- function patchDisplay(cm, updateNumbersFrom, dims) {
- var display = cm.display, lineNumbers = cm.options.lineNumbers;
- var container = display.lineDiv, cur = container.firstChild;
-
- function rm(node) {
- var next = node.nextSibling;
- // Works around a throw-scroll bug in OS X Webkit
- if (webkit && mac && cm.display.currentWheelTarget == node)
- node.style.display = "none";
- else
- node.parentNode.removeChild(node);
- return next;
- }
-
- var view = display.view, lineN = display.viewFrom;
- // Loop over the elements in the view, syncing cur (the DOM nodes
- // in display.lineDiv) with the view as we go.
- for (var i = 0; i < view.length; i++) {
- var lineView = view[i];
- if (lineView.hidden) {
- } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
- var node = buildLineElement(cm, lineView, lineN, dims);
- container.insertBefore(node, cur);
- } else { // Already drawn
- while (cur != lineView.node) cur = rm(cur);
- var updateNumber = lineNumbers && updateNumbersFrom != null &&
- updateNumbersFrom <= lineN && lineView.lineNumber;
- if (lineView.changes) {
- if (indexOf(lineView.changes, "gutter") > -1) updateNumber = false;
- updateLineForChanges(cm, lineView, lineN, dims);
- }
- if (updateNumber) {
- removeChildren(lineView.lineNumber);
- lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
- }
- cur = lineView.node.nextSibling;
- }
- lineN += lineView.size;
- }
- while (cur) cur = rm(cur);
- }
-
- // When an aspect of a line changes, a string is added to
- // lineView.changes. This updates the relevant part of the line's
- // DOM structure.
- function updateLineForChanges(cm, lineView, lineN, dims) {
- for (var j = 0; j < lineView.changes.length; j++) {
- var type = lineView.changes[j];
- if (type == "text") updateLineText(cm, lineView);
- else if (type == "gutter") updateLineGutter(cm, lineView, lineN, dims);
- else if (type == "class") updateLineClasses(lineView);
- else if (type == "widget") updateLineWidgets(cm, lineView, dims);
- }
- lineView.changes = null;
- }
-
- // Lines with gutter elements, widgets or a background class need to
- // be wrapped, and have the extra elements added to the wrapper div
- function ensureLineWrapped(lineView) {
- if (lineView.node == lineView.text) {
- lineView.node = elt("div", null, null, "position: relative");
- if (lineView.text.parentNode)
- lineView.text.parentNode.replaceChild(lineView.node, lineView.text);
- lineView.node.appendChild(lineView.text);
- if (ie && ie_version < 8) lineView.node.style.zIndex = 2;
- }
- return lineView.node;
- }
-
- function updateLineBackground(lineView) {
- var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
- if (cls) cls += " CodeMirror-linebackground";
- if (lineView.background) {
- if (cls) lineView.background.className = cls;
- else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
- } else if (cls) {
- var wrap = ensureLineWrapped(lineView);
- lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
- }
- }
-
- // Wrapper around buildLineContent which will reuse the structure
- // in display.externalMeasured when possible.
- function getLineContent(cm, lineView) {
- var ext = cm.display.externalMeasured;
- if (ext && ext.line == lineView.line) {
- cm.display.externalMeasured = null;
- lineView.measure = ext.measure;
- return ext.built;
- }
- return buildLineContent(cm, lineView);
- }
-
- // Redraw the line's text. Interacts with the background and text
- // classes because the mode may output tokens that influence these
- // classes.
- function updateLineText(cm, lineView) {
- var cls = lineView.text.className;
- var built = getLineContent(cm, lineView);
- if (lineView.text == lineView.node) lineView.node = built.pre;
- lineView.text.parentNode.replaceChild(built.pre, lineView.text);
- lineView.text = built.pre;
- if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
- lineView.bgClass = built.bgClass;
- lineView.textClass = built.textClass;
- updateLineClasses(lineView);
- } else if (cls) {
- lineView.text.className = cls;
- }
- }
-
- function updateLineClasses(lineView) {
- updateLineBackground(lineView);
- if (lineView.line.wrapClass)
- ensureLineWrapped(lineView).className = lineView.line.wrapClass;
- else if (lineView.node != lineView.text)
- lineView.node.className = "";
- var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
- lineView.text.className = textClass || "";
- }
-
- function updateLineGutter(cm, lineView, lineN, dims) {
- if (lineView.gutter) {
- lineView.node.removeChild(lineView.gutter);
- lineView.gutter = null;
- }
- if (lineView.gutterBackground) {
- lineView.node.removeChild(lineView.gutterBackground);
- lineView.gutterBackground = null;
- }
- if (lineView.line.gutterClass) {
- var wrap = ensureLineWrapped(lineView);
- lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
- "left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) +
- "px; width: " + dims.gutterTotalWidth + "px");
- wrap.insertBefore(lineView.gutterBackground, lineView.text);
- }
- var markers = lineView.line.gutterMarkers;
- if (cm.options.lineNumbers || markers) {
- var wrap = ensureLineWrapped(lineView);
- var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", "left: " +
- (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px");
- cm.display.input.setUneditable(gutterWrap);
- wrap.insertBefore(gutterWrap, lineView.text);
- if (lineView.line.gutterClass)
- gutterWrap.className += " " + lineView.line.gutterClass;
- if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
- lineView.lineNumber = gutterWrap.appendChild(
- elt("div", lineNumberFor(cm.options, lineN),
- "CodeMirror-linenumber CodeMirror-gutter-elt",
- "left: " + dims.gutterLeft["CodeMirror-linenumbers"] + "px; width: "
- + cm.display.lineNumInnerWidth + "px"));
- if (markers) for (var k = 0; k < cm.options.gutters.length; ++k) {
- var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
- if (found)
- gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt", "left: " +
- dims.gutterLeft[id] + "px; width: " + dims.gutterWidth[id] + "px"));
- }
- }
- }
-
- function updateLineWidgets(cm, lineView, dims) {
- if (lineView.alignable) lineView.alignable = null;
- for (var node = lineView.node.firstChild, next; node; node = next) {
- var next = node.nextSibling;
- if (node.className == "CodeMirror-linewidget")
- lineView.node.removeChild(node);
- }
- insertLineWidgets(cm, lineView, dims);
- }
-
- // Build a line's DOM representation from scratch
- function buildLineElement(cm, lineView, lineN, dims) {
- var built = getLineContent(cm, lineView);
- lineView.text = lineView.node = built.pre;
- if (built.bgClass) lineView.bgClass = built.bgClass;
- if (built.textClass) lineView.textClass = built.textClass;
-
- updateLineClasses(lineView);
- updateLineGutter(cm, lineView, lineN, dims);
- insertLineWidgets(cm, lineView, dims);
- return lineView.node;
- }
-
- // A lineView may contain multiple logical lines (when merged by
- // collapsed spans). The widgets for all of them need to be drawn.
- function insertLineWidgets(cm, lineView, dims) {
- insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
- if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
- insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false);
- }
-
- function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
- if (!line.widgets) return;
- var wrap = ensureLineWrapped(lineView);
- for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
- var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
- if (!widget.handleMouseEvents) node.setAttribute("cm-ignore-events", "true");
- positionLineWidget(widget, node, lineView, dims);
- cm.display.input.setUneditable(node);
- if (allowAbove && widget.above)
- wrap.insertBefore(node, lineView.gutter || lineView.text);
- else
- wrap.appendChild(node);
- signalLater(widget, "redraw");
- }
- }
-
- function positionLineWidget(widget, node, lineView, dims) {
- if (widget.noHScroll) {
- (lineView.alignable || (lineView.alignable = [])).push(node);
- var width = dims.wrapperWidth;
- node.style.left = dims.fixedPos + "px";
- if (!widget.coverGutter) {
- width -= dims.gutterTotalWidth;
- node.style.paddingLeft = dims.gutterTotalWidth + "px";
- }
- node.style.width = width + "px";
- }
- if (widget.coverGutter) {
- node.style.zIndex = 5;
- node.style.position = "relative";
- if (!widget.noHScroll) node.style.marginLeft = -dims.gutterTotalWidth + "px";
- }
- }
-
- // POSITION OBJECT
-
- // A Pos instance represents a position within the text.
- var Pos = CodeMirror.Pos = function(line, ch) {
- if (!(this instanceof Pos)) return new Pos(line, ch);
- this.line = line; this.ch = ch;
- };
-
- // Compare two positions, return 0 if they are the same, a negative
- // number when a is less, and a positive number otherwise.
- var cmp = CodeMirror.cmpPos = function(a, b) { return a.line - b.line || a.ch - b.ch; };
-
- function copyPos(x) {return Pos(x.line, x.ch);}
- function maxPos(a, b) { return cmp(a, b) < 0 ? b : a; }
- function minPos(a, b) { return cmp(a, b) < 0 ? a : b; }
-
- // INPUT HANDLING
-
- function ensureFocus(cm) {
- if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
- }
-
- function isReadOnly(cm) {
- return cm.options.readOnly || cm.doc.cantEdit;
- }
-
- // This will be set to an array of strings when copying, so that,
- // when pasting, we know what kind of selections the copied text
- // was made out of.
- var lastCopied = null;
-
- function applyTextInput(cm, inserted, deleted, sel, origin) {
- var doc = cm.doc;
- cm.display.shift = false;
- if (!sel) sel = doc.sel;
-
- var paste = cm.state.pasteIncoming || origin == "paste";
- var textLines = doc.splitLines(inserted), multiPaste = null;
- // When pasing N lines into N selections, insert one line per selection
- if (paste && sel.ranges.length > 1) {
- if (lastCopied && lastCopied.join("\n") == inserted) {
- if (sel.ranges.length % lastCopied.length == 0) {
- multiPaste = [];
- for (var i = 0; i < lastCopied.length; i++)
- multiPaste.push(doc.splitLines(lastCopied[i]));
- }
- } else if (textLines.length == sel.ranges.length) {
- multiPaste = map(textLines, function(l) { return [l]; });
- }
- }
-
- // Normal behavior is to insert the new text into every selection
- for (var i = sel.ranges.length - 1; i >= 0; i--) {
- var range = sel.ranges[i];
- var from = range.from(), to = range.to();
- if (range.empty()) {
- if (deleted && deleted > 0) // Handle deletion
- from = Pos(from.line, from.ch - deleted);
- else if (cm.state.overwrite && !paste) // Handle overwrite
- to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length));
- }
- var updateInput = cm.curOp.updateInput;
- var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i % multiPaste.length] : textLines,
- origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
- makeChange(cm.doc, changeEvent);
- signalLater(cm, "inputRead", cm, changeEvent);
- }
- if (inserted && !paste)
- triggerElectric(cm, inserted);
-
- ensureCursorVisible(cm);
- cm.curOp.updateInput = updateInput;
- cm.curOp.typing = true;
- cm.state.pasteIncoming = cm.state.cutIncoming = false;
- }
-
- function handlePaste(e, cm) {
- var pasted = e.clipboardData && e.clipboardData.getData("text/plain");
- if (pasted) {
- e.preventDefault();
- if (!isReadOnly(cm) && !cm.options.disableInput)
- runInOp(cm, function() { applyTextInput(cm, pasted, 0, null, "paste"); });
- return true;
- }
- }
-
- function triggerElectric(cm, inserted) {
- // When an 'electric' character is inserted, immediately trigger a reindent
- if (!cm.options.electricChars || !cm.options.smartIndent) return;
- var sel = cm.doc.sel;
-
- for (var i = sel.ranges.length - 1; i >= 0; i--) {
- var range = sel.ranges[i];
- if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) continue;
- var mode = cm.getModeAt(range.head);
- var indented = false;
- if (mode.electricChars) {
- for (var j = 0; j < mode.electricChars.length; j++)
- if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
- indented = indentLine(cm, range.head.line, "smart");
- break;
- }
- } else if (mode.electricInput) {
- if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
- indented = indentLine(cm, range.head.line, "smart");
- }
- if (indented) signalLater(cm, "electricInput", cm, range.head.line);
- }
- }
-
- function copyableRanges(cm) {
- var text = [], ranges = [];
- for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
- var line = cm.doc.sel.ranges[i].head.line;
- var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
- ranges.push(lineRange);
- text.push(cm.getRange(lineRange.anchor, lineRange.head));
- }
- return {text: text, ranges: ranges};
- }
-
- function disableBrowserMagic(field) {
- field.setAttribute("autocorrect", "off");
- field.setAttribute("autocapitalize", "off");
- field.setAttribute("spellcheck", "false");
- }
-
- // TEXTAREA INPUT STYLE
-
- function TextareaInput(cm) {
- this.cm = cm;
- // See input.poll and input.reset
- this.prevInput = "";
-
- // Flag that indicates whether we expect input to appear real soon
- // now (after some event like 'keypress' or 'input') and are
- // polling intensively.
- this.pollingFast = false;
- // Self-resetting timeout for the poller
- this.polling = new Delayed();
- // Tracks when input.reset has punted to just putting a short
- // string into the textarea instead of the full selection.
- this.inaccurateSelection = false;
- // Used to work around IE issue with selection being forgotten when focus moves away from textarea
- this.hasSelection = false;
- this.composing = null;
- };
-
- function hiddenTextarea() {
- var te = elt("textarea", null, null, "position: absolute; padding: 0; width: 1px; height: 1em; outline: none");
- var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
- // The textarea is kept positioned near the cursor to prevent the
- // fact that it'll be scrolled into view on input from scrolling
- // our fake cursor out of view. On webkit, when wrap=off, paste is
- // very slow. So make the area wide instead.
- if (webkit) te.style.width = "1000px";
- else te.setAttribute("wrap", "off");
- // If border: 0; -- iOS fails to open keyboard (issue #1287)
- if (ios) te.style.border = "1px solid black";
- disableBrowserMagic(te);
- return div;
- }
-
- TextareaInput.prototype = copyObj({
- init: function(display) {
- var input = this, cm = this.cm;
-
- // Wraps and hides input textarea
- var div = this.wrapper = hiddenTextarea();
- // The semihidden textarea that is focused when the editor is
- // focused, and receives input.
- var te = this.textarea = div.firstChild;
- display.wrapper.insertBefore(div, display.wrapper.firstChild);
-
- // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
- if (ios) te.style.width = "0px";
-
- on(te, "input", function() {
- if (ie && ie_version >= 9 && input.hasSelection) input.hasSelection = null;
- input.poll();
- });
-
- on(te, "paste", function(e) {
- if (handlePaste(e, cm)) return true;
-
- cm.state.pasteIncoming = true;
- input.fastPoll();
- });
-
- function prepareCopyCut(e) {
- if (cm.somethingSelected()) {
- lastCopied = cm.getSelections();
- if (input.inaccurateSelection) {
- input.prevInput = "";
- input.inaccurateSelection = false;
- te.value = lastCopied.join("\n");
- selectInput(te);
- }
- } else if (!cm.options.lineWiseCopyCut) {
- return;
- } else {
- var ranges = copyableRanges(cm);
- lastCopied = ranges.text;
- if (e.type == "cut") {
- cm.setSelections(ranges.ranges, null, sel_dontScroll);
- } else {
- input.prevInput = "";
- te.value = ranges.text.join("\n");
- selectInput(te);
- }
- }
- if (e.type == "cut") cm.state.cutIncoming = true;
- }
- on(te, "cut", prepareCopyCut);
- on(te, "copy", prepareCopyCut);
-
- on(display.scroller, "paste", function(e) {
- if (eventInWidget(display, e)) return;
- cm.state.pasteIncoming = true;
- input.focus();
- });
-
- // Prevent normal selection in the editor (we handle our own)
- on(display.lineSpace, "selectstart", function(e) {
- if (!eventInWidget(display, e)) e_preventDefault(e);
- });
-
- on(te, "compositionstart", function() {
- var start = cm.getCursor("from");
- if (input.composing) input.composing.range.clear()
- input.composing = {
- start: start,
- range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
- };
- });
- on(te, "compositionend", function() {
- if (input.composing) {
- input.poll();
- input.composing.range.clear();
- input.composing = null;
- }
- });
- },
-
- prepareSelection: function() {
- // Redraw the selection and/or cursor
- var cm = this.cm, display = cm.display, doc = cm.doc;
- var result = prepareSelection(cm);
-
- // Move the hidden textarea near the cursor to prevent scrolling artifacts
- if (cm.options.moveInputWithCursor) {
- var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
- var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
- result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
- headPos.top + lineOff.top - wrapOff.top));
- result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
- headPos.left + lineOff.left - wrapOff.left));
- }
-
- return result;
- },
-
- showSelection: function(drawn) {
- var cm = this.cm, display = cm.display;
- removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
- removeChildrenAndAdd(display.selectionDiv, drawn.selection);
- if (drawn.teTop != null) {
- this.wrapper.style.top = drawn.teTop + "px";
- this.wrapper.style.left = drawn.teLeft + "px";
- }
- },
-
- // Reset the input to correspond to the selection (or to be empty,
- // when not typing and nothing is selected)
- reset: function(typing) {
- if (this.contextMenuPending) return;
- var minimal, selected, cm = this.cm, doc = cm.doc;
- if (cm.somethingSelected()) {
- this.prevInput = "";
- var range = doc.sel.primary();
- minimal = hasCopyEvent &&
- (range.to().line - range.from().line > 100 || (selected = cm.getSelection()).length > 1000);
- var content = minimal ? "-" : selected || cm.getSelection();
- this.textarea.value = content;
- if (cm.state.focused) selectInput(this.textarea);
- if (ie && ie_version >= 9) this.hasSelection = content;
- } else if (!typing) {
- this.prevInput = this.textarea.value = "";
- if (ie && ie_version >= 9) this.hasSelection = null;
- }
- this.inaccurateSelection = minimal;
- },
-
- getField: function() { return this.textarea; },
-
- supportsTouch: function() { return false; },
-
- focus: function() {
- if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
- try { this.textarea.focus(); }
- catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
- }
- },
-
- blur: function() { this.textarea.blur(); },
-
- resetPosition: function() {
- this.wrapper.style.top = this.wrapper.style.left = 0;
- },
-
- receivedFocus: function() { this.slowPoll(); },
-
- // Poll for input changes, using the normal rate of polling. This
- // runs as long as the editor is focused.
- slowPoll: function() {
- var input = this;
- if (input.pollingFast) return;
- input.polling.set(this.cm.options.pollInterval, function() {
- input.poll();
- if (input.cm.state.focused) input.slowPoll();
- });
- },
-
- // When an event has just come in that is likely to add or change
- // something in the input textarea, we poll faster, to ensure that
- // the change appears on the screen quickly.
- fastPoll: function() {
- var missed = false, input = this;
- input.pollingFast = true;
- function p() {
- var changed = input.poll();
- if (!changed && !missed) {missed = true; input.polling.set(60, p);}
- else {input.pollingFast = false; input.slowPoll();}
- }
- input.polling.set(20, p);
- },
-
- // Read input from the textarea, and update the document to match.
- // When something is selected, it is present in the textarea, and
- // selected (unless it is huge, in which case a placeholder is
- // used). When nothing is selected, the cursor sits after previously
- // seen text (can be empty), which is stored in prevInput (we must
- // not reset the textarea when typing, because that breaks IME).
- poll: function() {
- var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
- // Since this is called a *lot*, try to bail out as cheaply as
- // possible when it is clear that nothing happened. hasSelection
- // will be the case when there is a lot of text in the textarea,
- // in which case reading its value would be expensive.
- if (this.contextMenuPending || !cm.state.focused ||
- (hasSelection(input) && !prevInput && !this.composing) ||
- isReadOnly(cm) || cm.options.disableInput || cm.state.keySeq)
- return false;
-
- var text = input.value;
- // If nothing changed, bail.
- if (text == prevInput && !cm.somethingSelected()) return false;
- // Work around nonsensical selection resetting in IE9/10, and
- // inexplicable appearance of private area unicode characters on
- // some key combos in Mac (#2689).
- if (ie && ie_version >= 9 && this.hasSelection === text ||
- mac && /[\uf700-\uf7ff]/.test(text)) {
- cm.display.input.reset();
- return false;
- }
-
- if (cm.doc.sel == cm.display.selForContextMenu) {
- var first = text.charCodeAt(0);
- if (first == 0x200b && !prevInput) prevInput = "\u200b";
- if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo"); }
- }
- // Find the part of the input that is actually new
- var same = 0, l = Math.min(prevInput.length, text.length);
- while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) ++same;
-
- var self = this;
- runInOp(cm, function() {
- applyTextInput(cm, text.slice(same), prevInput.length - same,
- null, self.composing ? "*compose" : null);
-
- // Don't leave long text in the textarea, since it makes further polling slow
- if (text.length > 1000 || text.indexOf("\n") > -1) input.value = self.prevInput = "";
- else self.prevInput = text;
-
- if (self.composing) {
- self.composing.range.clear();
- self.composing.range = cm.markText(self.composing.start, cm.getCursor("to"),
- {className: "CodeMirror-composing"});
- }
- });
- return true;
- },
-
- ensurePolled: function() {
- if (this.pollingFast && this.poll()) this.pollingFast = false;
- },
-
- onKeyPress: function() {
- if (ie && ie_version >= 9) this.hasSelection = null;
- this.fastPoll();
- },
-
- onContextMenu: function(e) {
- var input = this, cm = input.cm, display = cm.display, te = input.textarea;
- var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
- if (!pos || presto) return; // Opera is difficult.
-
- // Reset the current text selection only if the click is done outside of the selection
- // and 'resetSelectionOnContextMenu' option is true.
- var reset = cm.options.resetSelectionOnContextMenu;
- if (reset && cm.doc.sel.contains(pos) == -1)
- operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll);
-
- var oldCSS = te.style.cssText;
- input.wrapper.style.position = "absolute";
- te.style.cssText = "position: fixed; width: 30px; height: 30px; top: " + (e.clientY - 5) +
- "px; left: " + (e.clientX - 5) + "px; z-index: 1000; background: " +
- (ie ? "rgba(255, 255, 255, .05)" : "transparent") +
- "; outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
- if (webkit) var oldScrollY = window.scrollY; // Work around Chrome issue (#2712)
- display.input.focus();
- if (webkit) window.scrollTo(null, oldScrollY);
- display.input.reset();
- // Adds "Select all" to context menu in FF
- if (!cm.somethingSelected()) te.value = input.prevInput = " ";
- input.contextMenuPending = true;
- display.selForContextMenu = cm.doc.sel;
- clearTimeout(display.detectingSelectAll);
-
- // Select-all will be greyed out if there's nothing to select, so
- // this adds a zero-width space so that we can later check whether
- // it got selected.
- function prepareSelectAllHack() {
- if (te.selectionStart != null) {
- var selected = cm.somethingSelected();
- var extval = "\u200b" + (selected ? te.value : "");
- te.value = "\u21da"; // Used to catch context-menu undo
- te.value = extval;
- input.prevInput = selected ? "" : "\u200b";
- te.selectionStart = 1; te.selectionEnd = extval.length;
- // Re-set this, in case some other handler touched the
- // selection in the meantime.
- display.selForContextMenu = cm.doc.sel;
- }
- }
- function rehide() {
- input.contextMenuPending = false;
- input.wrapper.style.position = "relative";
- te.style.cssText = oldCSS;
- if (ie && ie_version < 9) display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos);
-
- // Try to detect the user choosing select-all
- if (te.selectionStart != null) {
- if (!ie || (ie && ie_version < 9)) prepareSelectAllHack();
- var i = 0, poll = function() {
- if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
- te.selectionEnd > 0 && input.prevInput == "\u200b")
- operation(cm, commands.selectAll)(cm);
- else if (i++ < 10) display.detectingSelectAll = setTimeout(poll, 500);
- else display.input.reset();
- };
- display.detectingSelectAll = setTimeout(poll, 200);
- }
- }
-
- if (ie && ie_version >= 9) prepareSelectAllHack();
- if (captureRightClick) {
- e_stop(e);
- var mouseup = function() {
- off(window, "mouseup", mouseup);
- setTimeout(rehide, 20);
- };
- on(window, "mouseup", mouseup);
- } else {
- setTimeout(rehide, 50);
- }
- },
-
- readOnlyChanged: function(val) {
- if (!val) this.reset();
- },
-
- setUneditable: nothing,
-
- needsContentAttribute: false
- }, TextareaInput.prototype);
-
- // CONTENTEDITABLE INPUT STYLE
-
- function ContentEditableInput(cm) {
- this.cm = cm;
- this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
- this.polling = new Delayed();
- this.gracePeriod = false;
- }
-
- ContentEditableInput.prototype = copyObj({
- init: function(display) {
- var input = this, cm = input.cm;
- var div = input.div = display.lineDiv;
- disableBrowserMagic(div);
-
- on(div, "paste", function(e) { handlePaste(e, cm); })
-
- on(div, "compositionstart", function(e) {
- var data = e.data;
- input.composing = {sel: cm.doc.sel, data: data, startData: data};
- if (!data) return;
- var prim = cm.doc.sel.primary();
- var line = cm.getLine(prim.head.line);
- var found = line.indexOf(data, Math.max(0, prim.head.ch - data.length));
- if (found > -1 && found <= prim.head.ch)
- input.composing.sel = simpleSelection(Pos(prim.head.line, found),
- Pos(prim.head.line, found + data.length));
- });
- on(div, "compositionupdate", function(e) {
- input.composing.data = e.data;
- });
- on(div, "compositionend", function(e) {
- var ours = input.composing;
- if (!ours) return;
- if (e.data != ours.startData && !/\u200b/.test(e.data))
- ours.data = e.data;
- // Need a small delay to prevent other code (input event,
- // selection polling) from doing damage when fired right after
- // compositionend.
- setTimeout(function() {
- if (!ours.handled)
- input.applyComposition(ours);
- if (input.composing == ours)
- input.composing = null;
- }, 50);
- });
-
- on(div, "touchstart", function() {
- input.forceCompositionEnd();
- });
-
- on(div, "input", function() {
- if (input.composing) return;
- if (isReadOnly(cm) || !input.pollContent())
- runInOp(input.cm, function() {regChange(cm);});
- });
-
- function onCopyCut(e) {
- if (cm.somethingSelected()) {
- lastCopied = cm.getSelections();
- if (e.type == "cut") cm.replaceSelection("", null, "cut");
- } else if (!cm.options.lineWiseCopyCut) {
- return;
- } else {
- var ranges = copyableRanges(cm);
- lastCopied = ranges.text;
- if (e.type == "cut") {
- cm.operation(function() {
- cm.setSelections(ranges.ranges, 0, sel_dontScroll);
- cm.replaceSelection("", null, "cut");
- });
- }
- }
- // iOS exposes the clipboard API, but seems to discard content inserted into it
- if (e.clipboardData && !ios) {
- e.preventDefault();
- e.clipboardData.clearData();
- e.clipboardData.setData("text/plain", lastCopied.join("\n"));
- } else {
- // Old-fashioned briefly-focus-a-textarea hack
- var kludge = hiddenTextarea(), te = kludge.firstChild;
- cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
- te.value = lastCopied.join("\n");
- var hadFocus = document.activeElement;
- selectInput(te);
- setTimeout(function() {
- cm.display.lineSpace.removeChild(kludge);
- hadFocus.focus();
- }, 50);
- }
- }
- on(div, "copy", onCopyCut);
- on(div, "cut", onCopyCut);
- },
-
- prepareSelection: function() {
- var result = prepareSelection(this.cm, false);
- result.focus = this.cm.state.focused;
- return result;
- },
-
- showSelection: function(info) {
- if (!info || !this.cm.display.view.length) return;
- if (info.focus) this.showPrimarySelection();
- this.showMultipleSelections(info);
- },
-
- showPrimarySelection: function() {
- var sel = window.getSelection(), prim = this.cm.doc.sel.primary();
- var curAnchor = domToPos(this.cm, sel.anchorNode, sel.anchorOffset);
- var curFocus = domToPos(this.cm, sel.focusNode, sel.focusOffset);
- if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
- cmp(minPos(curAnchor, curFocus), prim.from()) == 0 &&
- cmp(maxPos(curAnchor, curFocus), prim.to()) == 0)
- return;
-
- var start = posToDOM(this.cm, prim.from());
- var end = posToDOM(this.cm, prim.to());
- if (!start && !end) return;
-
- var view = this.cm.display.view;
- var old = sel.rangeCount && sel.getRangeAt(0);
- if (!start) {
- start = {node: view[0].measure.map[2], offset: 0};
- } else if (!end) { // FIXME dangerously hacky
- var measure = view[view.length - 1].measure;
- var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
- end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};
- }
-
- try { var rng = range(start.node, start.offset, end.offset, end.node); }
- catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
- if (rng) {
- sel.removeAllRanges();
- sel.addRange(rng);
- if (old && sel.anchorNode == null) sel.addRange(old);
- else if (gecko) this.startGracePeriod();
- }
- this.rememberSelection();
- },
-
- startGracePeriod: function() {
- var input = this;
- clearTimeout(this.gracePeriod);
- this.gracePeriod = setTimeout(function() {
- input.gracePeriod = false;
- if (input.selectionChanged())
- input.cm.operation(function() { input.cm.curOp.selectionChanged = true; });
- }, 20);
- },
-
- showMultipleSelections: function(info) {
- removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
- removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
- },
-
- rememberSelection: function() {
- var sel = window.getSelection();
- this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
- this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
- },
-
- selectionInEditor: function() {
- var sel = window.getSelection();
- if (!sel.rangeCount) return false;
- var node = sel.getRangeAt(0).commonAncestorContainer;
- return contains(this.div, node);
- },
-
- focus: function() {
- if (this.cm.options.readOnly != "nocursor") this.div.focus();
- },
- blur: function() { this.div.blur(); },
- getField: function() { return this.div; },
-
- supportsTouch: function() { return true; },
-
- receivedFocus: function() {
- var input = this;
- if (this.selectionInEditor())
- this.pollSelection();
- else
- runInOp(this.cm, function() { input.cm.curOp.selectionChanged = true; });
-
- function poll() {
- if (input.cm.state.focused) {
- input.pollSelection();
- input.polling.set(input.cm.options.pollInterval, poll);
- }
- }
- this.polling.set(this.cm.options.pollInterval, poll);
- },
-
- selectionChanged: function() {
- var sel = window.getSelection();
- return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
- sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset;
- },
-
- pollSelection: function() {
- if (!this.composing && !this.gracePeriod && this.selectionChanged()) {
- var sel = window.getSelection(), cm = this.cm;
- this.rememberSelection();
- var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
- var head = domToPos(cm, sel.focusNode, sel.focusOffset);
- if (anchor && head) runInOp(cm, function() {
- setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
- if (anchor.bad || head.bad) cm.curOp.selectionChanged = true;
- });
- }
- },
-
- pollContent: function() {
- var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
- var from = sel.from(), to = sel.to();
- if (from.line < display.viewFrom || to.line > display.viewTo - 1) return false;
-
- var fromIndex;
- if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
- var fromLine = lineNo(display.view[0].line);
- var fromNode = display.view[0].node;
- } else {
- var fromLine = lineNo(display.view[fromIndex].line);
- var fromNode = display.view[fromIndex - 1].node.nextSibling;
- }
- var toIndex = findViewIndex(cm, to.line);
- if (toIndex == display.view.length - 1) {
- var toLine = display.viewTo - 1;
- var toNode = display.lineDiv.lastChild;
- } else {
- var toLine = lineNo(display.view[toIndex + 1].line) - 1;
- var toNode = display.view[toIndex + 1].node.previousSibling;
- }
-
- var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
- var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
- while (newText.length > 1 && oldText.length > 1) {
- if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
- else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
- else break;
- }
-
- var cutFront = 0, cutEnd = 0;
- var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
- while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
- ++cutFront;
- var newBot = lst(newText), oldBot = lst(oldText);
- var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
- oldBot.length - (oldText.length == 1 ? cutFront : 0));
- while (cutEnd < maxCutEnd &&
- newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
- ++cutEnd;
-
- newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd);
- newText[0] = newText[0].slice(cutFront);
-
- var chFrom = Pos(fromLine, cutFront);
- var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
- if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
- replaceRange(cm.doc, newText, chFrom, chTo, "+input");
- return true;
- }
- },
-
- ensurePolled: function() {
- this.forceCompositionEnd();
- },
- reset: function() {
- this.forceCompositionEnd();
- },
- forceCompositionEnd: function() {
- if (!this.composing || this.composing.handled) return;
- this.applyComposition(this.composing);
- this.composing.handled = true;
- this.div.blur();
- this.div.focus();
- },
- applyComposition: function(composing) {
- if (isReadOnly(this.cm))
- operation(this.cm, regChange)(this.cm)
- else if (composing.data && composing.data != composing.startData)
- operation(this.cm, applyTextInput)(this.cm, composing.data, 0, composing.sel);
- },
-
- setUneditable: function(node) {
- node.contentEditable = "false"
- },
-
- onKeyPress: function(e) {
- e.preventDefault();
- if (!isReadOnly(this.cm))
- operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0);
- },
-
- readOnlyChanged: function(val) {
- this.div.contentEditable = String(val != "nocursor")
- },
-
- onContextMenu: nothing,
- resetPosition: nothing,
-
- needsContentAttribute: true
- }, ContentEditableInput.prototype);
-
- function posToDOM(cm, pos) {
- var view = findViewForLine(cm, pos.line);
- if (!view || view.hidden) return null;
- var line = getLine(cm.doc, pos.line);
- var info = mapFromLineView(view, line, pos.line);
-
- var order = getOrder(line), side = "left";
- if (order) {
- var partPos = getBidiPartAt(order, pos.ch);
- side = partPos % 2 ? "right" : "left";
- }
- var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
- result.offset = result.collapse == "right" ? result.end : result.start;
- return result;
- }
-
- function badPos(pos, bad) { if (bad) pos.bad = true; return pos; }
-
- function domToPos(cm, node, offset) {
- var lineNode;
- if (node == cm.display.lineDiv) {
- lineNode = cm.display.lineDiv.childNodes[offset];
- if (!lineNode) return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true);
- node = null; offset = 0;
- } else {
- for (lineNode = node;; lineNode = lineNode.parentNode) {
- if (!lineNode || lineNode == cm.display.lineDiv) return null;
- if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) break;
- }
- }
- for (var i = 0; i < cm.display.view.length; i++) {
- var lineView = cm.display.view[i];
- if (lineView.node == lineNode)
- return locateNodeInLineView(lineView, node, offset);
- }
- }
-
- function locateNodeInLineView(lineView, node, offset) {
- var wrapper = lineView.text.firstChild, bad = false;
- if (!node || !contains(wrapper, node)) return badPos(Pos(lineNo(lineView.line), 0), true);
- if (node == wrapper) {
- bad = true;
- node = wrapper.childNodes[offset];
- offset = 0;
- if (!node) {
- var line = lineView.rest ? lst(lineView.rest) : lineView.line;
- return badPos(Pos(lineNo(line), line.text.length), bad);
- }
- }
-
- var textNode = node.nodeType == 3 ? node : null, topNode = node;
- if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
- textNode = node.firstChild;
- if (offset) offset = textNode.nodeValue.length;
- }
- while (topNode.parentNode != wrapper) topNode = topNode.parentNode;
- var measure = lineView.measure, maps = measure.maps;
-
- function find(textNode, topNode, offset) {
- for (var i = -1; i < (maps ? maps.length : 0); i++) {
- var map = i < 0 ? measure.map : maps[i];
- for (var j = 0; j < map.length; j += 3) {
- var curNode = map[j + 2];
- if (curNode == textNode || curNode == topNode) {
- var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
- var ch = map[j] + offset;
- if (offset < 0 || curNode != textNode) ch = map[j + (offset ? 1 : 0)];
- return Pos(line, ch);
- }
- }
- }
- }
- var found = find(textNode, topNode, offset);
- if (found) return badPos(found, bad);
-
- // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
- for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
- found = find(after, after.firstChild, 0);
- if (found)
- return badPos(Pos(found.line, found.ch - dist), bad);
- else
- dist += after.textContent.length;
- }
- for (var before = topNode.previousSibling, dist = offset; before; before = before.previousSibling) {
- found = find(before, before.firstChild, -1);
- if (found)
- return badPos(Pos(found.line, found.ch + dist), bad);
- else
- dist += after.textContent.length;
- }
- }
-
- function domTextBetween(cm, from, to, fromLine, toLine) {
- var text = "", closing = false, lineSep = cm.doc.lineSeparator();
- function recognizeMarker(id) { return function(marker) { return marker.id == id; }; }
- function walk(node) {
- if (node.nodeType == 1) {
- var cmText = node.getAttribute("cm-text");
- if (cmText != null) {
- if (cmText == "") cmText = node.textContent.replace(/\u200b/g, "");
- text += cmText;
- return;
- }
- var markerID = node.getAttribute("cm-marker"), range;
- if (markerID) {
- var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
- if (found.length && (range = found[0].find()))
- text += getBetween(cm.doc, range.from, range.to).join(lineSep);
- return;
- }
- if (node.getAttribute("contenteditable") == "false") return;
- for (var i = 0; i < node.childNodes.length; i++)
- walk(node.childNodes[i]);
- if (/^(pre|div|p)$/i.test(node.nodeName))
- closing = true;
- } else if (node.nodeType == 3) {
- var val = node.nodeValue;
- if (!val) return;
- if (closing) {
- text += lineSep;
- closing = false;
- }
- text += val;
- }
- }
- for (;;) {
- walk(from);
- if (from == to) break;
- from = from.nextSibling;
- }
- return text;
- }
-
- CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
-
- // SELECTION / CURSOR
-
- // Selection objects are immutable. A new one is created every time
- // the selection changes. A selection is one or more non-overlapping
- // (and non-touching) ranges, sorted, and an integer that indicates
- // which one is the primary selection (the one that's scrolled into
- // view, that getCursor returns, etc).
- function Selection(ranges, primIndex) {
- this.ranges = ranges;
- this.primIndex = primIndex;
- }
-
- Selection.prototype = {
- primary: function() { return this.ranges[this.primIndex]; },
- equals: function(other) {
- if (other == this) return true;
- if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) return false;
- for (var i = 0; i < this.ranges.length; i++) {
- var here = this.ranges[i], there = other.ranges[i];
- if (cmp(here.anchor, there.anchor) != 0 || cmp(here.head, there.head) != 0) return false;
- }
- return true;
- },
- deepCopy: function() {
- for (var out = [], i = 0; i < this.ranges.length; i++)
- out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head));
- return new Selection(out, this.primIndex);
- },
- somethingSelected: function() {
- for (var i = 0; i < this.ranges.length; i++)
- if (!this.ranges[i].empty()) return true;
- return false;
- },
- contains: function(pos, end) {
- if (!end) end = pos;
- for (var i = 0; i < this.ranges.length; i++) {
- var range = this.ranges[i];
- if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
- return i;
- }
- return -1;
- }
- };
-
- function Range(anchor, head) {
- this.anchor = anchor; this.head = head;
- }
-
- Range.prototype = {
- from: function() { return minPos(this.anchor, this.head); },
- to: function() { return maxPos(this.anchor, this.head); },
- empty: function() {
- return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch;
- }
- };
-
- // Take an unsorted, potentially overlapping set of ranges, and
- // build a selection out of it. 'Consumes' ranges array (modifying
- // it).
- function normalizeSelection(ranges, primIndex) {
- var prim = ranges[primIndex];
- ranges.sort(function(a, b) { return cmp(a.from(), b.from()); });
- primIndex = indexOf(ranges, prim);
- for (var i = 1; i < ranges.length; i++) {
- var cur = ranges[i], prev = ranges[i - 1];
- if (cmp(prev.to(), cur.from()) >= 0) {
- var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
- var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
- if (i <= primIndex) --primIndex;
- ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
- }
- }
- return new Selection(ranges, primIndex);
- }
-
- function simpleSelection(anchor, head) {
- return new Selection([new Range(anchor, head || anchor)], 0);
- }
-
- // Most of the external API clips given positions to make sure they
- // actually exist within the document.
- function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1));}
- function clipPos(doc, pos) {
- if (pos.line < doc.first) return Pos(doc.first, 0);
- var last = doc.first + doc.size - 1;
- if (pos.line > last) return Pos(last, getLine(doc, last).text.length);
- return clipToLen(pos, getLine(doc, pos.line).text.length);
- }
- function clipToLen(pos, linelen) {
- var ch = pos.ch;
- if (ch == null || ch > linelen) return Pos(pos.line, linelen);
- else if (ch < 0) return Pos(pos.line, 0);
- else return pos;
- }
- function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size;}
- function clipPosArray(doc, array) {
- for (var out = [], i = 0; i < array.length; i++) out[i] = clipPos(doc, array[i]);
- return out;
- }
-
- // SELECTION UPDATES
-
- // The 'scroll' parameter given to many of these indicated whether
- // the new cursor position should be scrolled into view after
- // modifying the selection.
-
- // If shift is held or the extend flag is set, extends a range to
- // include a given position (and optionally a second position).
- // Otherwise, simply returns the range between the given positions.
- // Used for cursor motion and such.
- function extendRange(doc, range, head, other) {
- if (doc.cm && doc.cm.display.shift || doc.extend) {
- var anchor = range.anchor;
- if (other) {
- var posBefore = cmp(head, anchor) < 0;
- if (posBefore != (cmp(other, anchor) < 0)) {
- anchor = head;
- head = other;
- } else if (posBefore != (cmp(head, other) < 0)) {
- head = other;
- }
- }
- return new Range(anchor, head);
- } else {
- return new Range(other || head, head);
- }
- }
-
- // Extend the primary selection range, discard the rest.
- function extendSelection(doc, head, other, options) {
- setSelection(doc, new Selection([extendRange(doc, doc.sel.primary(), head, other)], 0), options);
- }
-
- // Extend all selections (pos is an array of selections with length
- // equal the number of selections)
- function extendSelections(doc, heads, options) {
- for (var out = [], i = 0; i < doc.sel.ranges.length; i++)
- out[i] = extendRange(doc, doc.sel.ranges[i], heads[i], null);
- var newSel = normalizeSelection(out, doc.sel.primIndex);
- setSelection(doc, newSel, options);
- }
-
- // Updates a single range in the selection.
- function replaceOneSelection(doc, i, range, options) {
- var ranges = doc.sel.ranges.slice(0);
- ranges[i] = range;
- setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
- }
-
- // Reset the selection to a single range.
- function setSimpleSelection(doc, anchor, head, options) {
- setSelection(doc, simpleSelection(anchor, head), options);
- }
-
- // Give beforeSelectionChange handlers a change to influence a
- // selection update.
- function filterSelectionChange(doc, sel) {
- var obj = {
- ranges: sel.ranges,
- update: function(ranges) {
- this.ranges = [];
- for (var i = 0; i < ranges.length; i++)
- this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
- clipPos(doc, ranges[i].head));
- }
- };
- signal(doc, "beforeSelectionChange", doc, obj);
- if (doc.cm) signal(doc.cm, "beforeSelectionChange", doc.cm, obj);
- if (obj.ranges != sel.ranges) return normalizeSelection(obj.ranges, obj.ranges.length - 1);
- else return sel;
- }
-
- function setSelectionReplaceHistory(doc, sel, options) {
- var done = doc.history.done, last = lst(done);
- if (last && last.ranges) {
- done[done.length - 1] = sel;
- setSelectionNoUndo(doc, sel, options);
- } else {
- setSelection(doc, sel, options);
- }
- }
-
- // Set a new selection.
- function setSelection(doc, sel, options) {
- setSelectionNoUndo(doc, sel, options);
- addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
- }
-
- function setSelectionNoUndo(doc, sel, options) {
- if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
- sel = filterSelectionChange(doc, sel);
-
- var bias = options && options.bias ||
- (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
- setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
-
- if (!(options && options.scroll === false) && doc.cm)
- ensureCursorVisible(doc.cm);
- }
-
- function setSelectionInner(doc, sel) {
- if (sel.equals(doc.sel)) return;
-
- doc.sel = sel;
-
- if (doc.cm) {
- doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
- signalCursorActivity(doc.cm);
- }
- signalLater(doc, "cursorActivity", doc);
- }
-
- // Verify that the selection does not partially select any atomic
- // marked ranges.
- function reCheckSelection(doc) {
- setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false), sel_dontScroll);
- }
-
- // Return a selection that does not partially select any atomic
- // ranges.
- function skipAtomicInSelection(doc, sel, bias, mayClear) {
- var out;
- for (var i = 0; i < sel.ranges.length; i++) {
- var range = sel.ranges[i];
- var newAnchor = skipAtomic(doc, range.anchor, bias, mayClear);
- var newHead = skipAtomic(doc, range.head, bias, mayClear);
- if (out || newAnchor != range.anchor || newHead != range.head) {
- if (!out) out = sel.ranges.slice(0, i);
- out[i] = new Range(newAnchor, newHead);
- }
- }
- return out ? normalizeSelection(out, sel.primIndex) : sel;
- }
-
- // Ensure a given position is not inside an atomic range.
- function skipAtomic(doc, pos, bias, mayClear) {
- var flipped = false, curPos = pos;
- var dir = bias || 1;
- doc.cantEdit = false;
- search: for (;;) {
- var line = getLine(doc, curPos.line);
- if (line.markedSpans) {
- for (var i = 0; i < line.markedSpans.length; ++i) {
- var sp = line.markedSpans[i], m = sp.marker;
- if ((sp.from == null || (m.inclusiveLeft ? sp.from <= curPos.ch : sp.from < curPos.ch)) &&
- (sp.to == null || (m.inclusiveRight ? sp.to >= curPos.ch : sp.to > curPos.ch))) {
- if (mayClear) {
- signal(m, "beforeCursorEnter");
- if (m.explicitlyCleared) {
- if (!line.markedSpans) break;
- else {--i; continue;}
- }
- }
- if (!m.atomic) continue;
- var newPos = m.find(dir < 0 ? -1 : 1);
- if (cmp(newPos, curPos) == 0) {
- newPos.ch += dir;
- if (newPos.ch < 0) {
- if (newPos.line > doc.first) newPos = clipPos(doc, Pos(newPos.line - 1));
- else newPos = null;
- } else if (newPos.ch > line.text.length) {
- if (newPos.line < doc.first + doc.size - 1) newPos = Pos(newPos.line + 1, 0);
- else newPos = null;
- }
- if (!newPos) {
- if (flipped) {
- // Driven in a corner -- no valid cursor position found at all
- // -- try again *with* clearing, if we didn't already
- if (!mayClear) return skipAtomic(doc, pos, bias, true);
- // Otherwise, turn off editing until further notice, and return the start of the doc
- doc.cantEdit = true;
- return Pos(doc.first, 0);
- }
- flipped = true; newPos = pos; dir = -dir;
- }
- }
- curPos = newPos;
- continue search;
- }
- }
- }
- return curPos;
- }
- }
-
- // SELECTION DRAWING
-
- function updateSelection(cm) {
- cm.display.input.showSelection(cm.display.input.prepareSelection());
- }
-
- function prepareSelection(cm, primary) {
- var doc = cm.doc, result = {};
- var curFragment = result.cursors = document.createDocumentFragment();
- var selFragment = result.selection = document.createDocumentFragment();
-
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- if (primary === false && i == doc.sel.primIndex) continue;
- var range = doc.sel.ranges[i];
- var collapsed = range.empty();
- if (collapsed || cm.options.showCursorWhenSelecting)
- drawSelectionCursor(cm, range.head, curFragment);
- if (!collapsed)
- drawSelectionRange(cm, range, selFragment);
- }
- return result;
- }
-
- // Draws a cursor for the given range
- function drawSelectionCursor(cm, head, output) {
- var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
-
- var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
- cursor.style.left = pos.left + "px";
- cursor.style.top = pos.top + "px";
- cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
-
- if (pos.other) {
- // Secondary cursor, shown when on a 'jump' in bi-directional text
- var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
- otherCursor.style.display = "";
- otherCursor.style.left = pos.other.left + "px";
- otherCursor.style.top = pos.other.top + "px";
- otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
- }
- }
-
- // Draws the given range as a highlighted selection
- function drawSelectionRange(cm, range, output) {
- var display = cm.display, doc = cm.doc;
- var fragment = document.createDocumentFragment();
- var padding = paddingH(cm.display), leftSide = padding.left;
- var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
-
- function add(left, top, width, bottom) {
- if (top < 0) top = 0;
- top = Math.round(top);
- bottom = Math.round(bottom);
- fragment.appendChild(elt("div", null, "CodeMirror-selected", "position: absolute; left: " + left +
- "px; top: " + top + "px; width: " + (width == null ? rightSide - left : width) +
- "px; height: " + (bottom - top) + "px"));
- }
-
- function drawForLine(line, fromArg, toArg) {
- var lineObj = getLine(doc, line);
- var lineLen = lineObj.text.length;
- var start, end;
- function coords(ch, bias) {
- return charCoords(cm, Pos(line, ch), "div", lineObj, bias);
- }
-
- iterateBidiSections(getOrder(lineObj), fromArg || 0, toArg == null ? lineLen : toArg, function(from, to, dir) {
- var leftPos = coords(from, "left"), rightPos, left, right;
- if (from == to) {
- rightPos = leftPos;
- left = right = leftPos.left;
- } else {
- rightPos = coords(to - 1, "right");
- if (dir == "rtl") { var tmp = leftPos; leftPos = rightPos; rightPos = tmp; }
- left = leftPos.left;
- right = rightPos.right;
- }
- if (fromArg == null && from == 0) left = leftSide;
- if (rightPos.top - leftPos.top > 3) { // Different lines, draw top part
- add(left, leftPos.top, null, leftPos.bottom);
- left = leftSide;
- if (leftPos.bottom < rightPos.top) add(left, leftPos.bottom, null, rightPos.top);
- }
- if (toArg == null && to == lineLen) right = rightSide;
- if (!start || leftPos.top < start.top || leftPos.top == start.top && leftPos.left < start.left)
- start = leftPos;
- if (!end || rightPos.bottom > end.bottom || rightPos.bottom == end.bottom && rightPos.right > end.right)
- end = rightPos;
- if (left < leftSide + 1) left = leftSide;
- add(left, rightPos.top, right - left, rightPos.bottom);
- });
- return {start: start, end: end};
- }
-
- var sFrom = range.from(), sTo = range.to();
- if (sFrom.line == sTo.line) {
- drawForLine(sFrom.line, sFrom.ch, sTo.ch);
- } else {
- var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
- var singleVLine = visualLine(fromLine) == visualLine(toLine);
- var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
- var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
- if (singleVLine) {
- if (leftEnd.top < rightStart.top - 2) {
- add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
- add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
- } else {
- add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
- }
- }
- if (leftEnd.bottom < rightStart.top)
- add(leftSide, leftEnd.bottom, null, rightStart.top);
- }
-
- output.appendChild(fragment);
- }
-
- // Cursor-blinking
- function restartBlink(cm) {
- if (!cm.state.focused) return;
- var display = cm.display;
- clearInterval(display.blinker);
- var on = true;
- display.cursorDiv.style.visibility = "";
- if (cm.options.cursorBlinkRate > 0)
- display.blinker = setInterval(function() {
- display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
- }, cm.options.cursorBlinkRate);
- else if (cm.options.cursorBlinkRate < 0)
- display.cursorDiv.style.visibility = "hidden";
- }
-
- // HIGHLIGHT WORKER
-
- function startWorker(cm, time) {
- if (cm.doc.mode.startState && cm.doc.frontier < cm.display.viewTo)
- cm.state.highlight.set(time, bind(highlightWorker, cm));
- }
-
- function highlightWorker(cm) {
- var doc = cm.doc;
- if (doc.frontier < doc.first) doc.frontier = doc.first;
- if (doc.frontier >= cm.display.viewTo) return;
- var end = +new Date + cm.options.workTime;
- var state = copyState(doc.mode, getStateBefore(cm, doc.frontier));
- var changedLines = [];
-
- doc.iter(doc.frontier, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function(line) {
- if (doc.frontier >= cm.display.viewFrom) { // Visible
- var oldStyles = line.styles, tooLong = line.text.length > cm.options.maxHighlightLength;
- var highlighted = highlightLine(cm, line, tooLong ? copyState(doc.mode, state) : state, true);
- line.styles = highlighted.styles;
- var oldCls = line.styleClasses, newCls = highlighted.classes;
- if (newCls) line.styleClasses = newCls;
- else if (oldCls) line.styleClasses = null;
- var ischange = !oldStyles || oldStyles.length != line.styles.length ||
- oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
- for (var i = 0; !ischange && i < oldStyles.length; ++i) ischange = oldStyles[i] != line.styles[i];
- if (ischange) changedLines.push(doc.frontier);
- line.stateAfter = tooLong ? state : copyState(doc.mode, state);
- } else {
- if (line.text.length <= cm.options.maxHighlightLength)
- processLine(cm, line.text, state);
- line.stateAfter = doc.frontier % 5 == 0 ? copyState(doc.mode, state) : null;
- }
- ++doc.frontier;
- if (+new Date > end) {
- startWorker(cm, cm.options.workDelay);
- return true;
- }
- });
- if (changedLines.length) runInOp(cm, function() {
- for (var i = 0; i < changedLines.length; i++)
- regLineChange(cm, changedLines[i], "text");
- });
- }
-
- // Finds the line to start with when starting a parse. Tries to
- // find a line with a stateAfter, so that it can start with a
- // valid state. If that fails, it returns the line with the
- // smallest indentation, which tends to need the least context to
- // parse correctly.
- function findStartLine(cm, n, precise) {
- var minindent, minline, doc = cm.doc;
- var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
- for (var search = n; search > lim; --search) {
- if (search <= doc.first) return doc.first;
- var line = getLine(doc, search - 1);
- if (line.stateAfter && (!precise || search <= doc.frontier)) return search;
- var indented = countColumn(line.text, null, cm.options.tabSize);
- if (minline == null || minindent > indented) {
- minline = search - 1;
- minindent = indented;
- }
- }
- return minline;
- }
-
- function getStateBefore(cm, n, precise) {
- var doc = cm.doc, display = cm.display;
- if (!doc.mode.startState) return true;
- var pos = findStartLine(cm, n, precise), state = pos > doc.first && getLine(doc, pos-1).stateAfter;
- if (!state) state = startState(doc.mode);
- else state = copyState(doc.mode, state);
- doc.iter(pos, n, function(line) {
- processLine(cm, line.text, state);
- var save = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo;
- line.stateAfter = save ? copyState(doc.mode, state) : null;
- ++pos;
- });
- if (precise) doc.frontier = pos;
- return state;
- }
-
- // POSITION MEASUREMENT
-
- function paddingTop(display) {return display.lineSpace.offsetTop;}
- function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight;}
- function paddingH(display) {
- if (display.cachedPaddingH) return display.cachedPaddingH;
- var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
- var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
- var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
- if (!isNaN(data.left) && !isNaN(data.right)) display.cachedPaddingH = data;
- return data;
- }
-
- function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth; }
- function displayWidth(cm) {
- return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth;
- }
- function displayHeight(cm) {
- return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight;
- }
-
- // Ensure the lineView.wrapping.heights array is populated. This is
- // an array of bottom offsets for the lines that make up a drawn
- // line. When lineWrapping is on, there might be more than one
- // height.
- function ensureLineHeights(cm, lineView, rect) {
- var wrapping = cm.options.lineWrapping;
- var curWidth = wrapping && displayWidth(cm);
- if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
- var heights = lineView.measure.heights = [];
- if (wrapping) {
- lineView.measure.width = curWidth;
- var rects = lineView.text.firstChild.getClientRects();
- for (var i = 0; i < rects.length - 1; i++) {
- var cur = rects[i], next = rects[i + 1];
- if (Math.abs(cur.bottom - next.bottom) > 2)
- heights.push((cur.bottom + next.top) / 2 - rect.top);
- }
- }
- heights.push(rect.bottom - rect.top);
- }
- }
-
- // Find a line map (mapping character offsets to text nodes) and a
- // measurement cache for the given line number. (A line view might
- // contain multiple lines when collapsed ranges are present.)
- function mapFromLineView(lineView, line, lineN) {
- if (lineView.line == line)
- return {map: lineView.measure.map, cache: lineView.measure.cache};
- for (var i = 0; i < lineView.rest.length; i++)
- if (lineView.rest[i] == line)
- return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]};
- for (var i = 0; i < lineView.rest.length; i++)
- if (lineNo(lineView.rest[i]) > lineN)
- return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i], before: true};
- }
-
- // Render a line into the hidden node display.externalMeasured. Used
- // when measurement is needed for a line that's not in the viewport.
- function updateExternalMeasurement(cm, line) {
- line = visualLine(line);
- var lineN = lineNo(line);
- var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
- view.lineN = lineN;
- var built = view.built = buildLineContent(cm, view);
- view.text = built.pre;
- removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
- return view;
- }
-
- // Get a {top, bottom, left, right} box (in line-local coordinates)
- // for a given character.
- function measureChar(cm, line, ch, bias) {
- return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias);
- }
-
- // Find a line view that corresponds to the given line number.
- function findViewForLine(cm, lineN) {
- if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
- return cm.display.view[findViewIndex(cm, lineN)];
- var ext = cm.display.externalMeasured;
- if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
- return ext;
- }
-
- // Measurement can be split in two steps, the set-up work that
- // applies to the whole line, and the measurement of the actual
- // character. Functions like coordsChar, that need to do a lot of
- // measurements in a row, can thus ensure that the set-up work is
- // only done once.
- function prepareMeasureForLine(cm, line) {
- var lineN = lineNo(line);
- var view = findViewForLine(cm, lineN);
- if (view && !view.text) {
- view = null;
- } else if (view && view.changes) {
- updateLineForChanges(cm, view, lineN, getDimensions(cm));
- cm.curOp.forceUpdate = true;
- }
- if (!view)
- view = updateExternalMeasurement(cm, line);
-
- var info = mapFromLineView(view, line, lineN);
- return {
- line: line, view: view, rect: null,
- map: info.map, cache: info.cache, before: info.before,
- hasHeights: false
- };
- }
-
- // Given a prepared measurement object, measures the position of an
- // actual character (or fetches it from the cache).
- function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
- if (prepared.before) ch = -1;
- var key = ch + (bias || ""), found;
- if (prepared.cache.hasOwnProperty(key)) {
- found = prepared.cache[key];
- } else {
- if (!prepared.rect)
- prepared.rect = prepared.view.text.getBoundingClientRect();
- if (!prepared.hasHeights) {
- ensureLineHeights(cm, prepared.view, prepared.rect);
- prepared.hasHeights = true;
- }
- found = measureCharInner(cm, prepared, ch, bias);
- if (!found.bogus) prepared.cache[key] = found;
- }
- return {left: found.left, right: found.right,
- top: varHeight ? found.rtop : found.top,
- bottom: varHeight ? found.rbottom : found.bottom};
- }
-
- var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
-
- function nodeAndOffsetInLineMap(map, ch, bias) {
- var node, start, end, collapse;
- // First, search the line map for the text node corresponding to,
- // or closest to, the target character.
- for (var i = 0; i < map.length; i += 3) {
- var mStart = map[i], mEnd = map[i + 1];
- if (ch < mStart) {
- start = 0; end = 1;
- collapse = "left";
- } else if (ch < mEnd) {
- start = ch - mStart;
- end = start + 1;
- } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
- end = mEnd - mStart;
- start = end - 1;
- if (ch >= mEnd) collapse = "right";
- }
- if (start != null) {
- node = map[i + 2];
- if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
- collapse = bias;
- if (bias == "left" && start == 0)
- while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
- node = map[(i -= 3) + 2];
- collapse = "left";
- }
- if (bias == "right" && start == mEnd - mStart)
- while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
- node = map[(i += 3) + 2];
- collapse = "right";
- }
- break;
- }
- }
- return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd};
- }
-
- function measureCharInner(cm, prepared, ch, bias) {
- var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
- var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
-
- var rect;
- if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
- for (var i = 0; i < 4; i++) { // Retry a maximum of 4 times when nonsense rectangles are returned
- while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) --start;
- while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) ++end;
- if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart) {
- rect = node.parentNode.getBoundingClientRect();
- } else if (ie && cm.options.lineWrapping) {
- var rects = range(node, start, end).getClientRects();
- if (rects.length)
- rect = rects[bias == "right" ? rects.length - 1 : 0];
- else
- rect = nullRect;
- } else {
- rect = range(node, start, end).getBoundingClientRect() || nullRect;
- }
- if (rect.left || rect.right || start == 0) break;
- end = start;
- start = start - 1;
- collapse = "right";
- }
- if (ie && ie_version < 11) rect = maybeUpdateRectForZooming(cm.display.measure, rect);
- } else { // If it is a widget, simply get the box for the whole widget.
- if (start > 0) collapse = bias = "right";
- var rects;
- if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
- rect = rects[bias == "right" ? rects.length - 1 : 0];
- else
- rect = node.getBoundingClientRect();
- }
- if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
- var rSpan = node.parentNode.getClientRects()[0];
- if (rSpan)
- rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom};
- else
- rect = nullRect;
- }
-
- var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
- var mid = (rtop + rbot) / 2;
- var heights = prepared.view.measure.heights;
- for (var i = 0; i < heights.length - 1; i++)
- if (mid < heights[i]) break;
- var top = i ? heights[i - 1] : 0, bot = heights[i];
- var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
- right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
- top: top, bottom: bot};
- if (!rect.left && !rect.right) result.bogus = true;
- if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
-
- return result;
- }
-
- // Work around problem with bounding client rects on ranges being
- // returned incorrectly when zoomed on IE10 and below.
- function maybeUpdateRectForZooming(measure, rect) {
- if (!window.screen || screen.logicalXDPI == null ||
- screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
- return rect;
- var scaleX = screen.logicalXDPI / screen.deviceXDPI;
- var scaleY = screen.logicalYDPI / screen.deviceYDPI;
- return {left: rect.left * scaleX, right: rect.right * scaleX,
- top: rect.top * scaleY, bottom: rect.bottom * scaleY};
- }
-
- function clearLineMeasurementCacheFor(lineView) {
- if (lineView.measure) {
- lineView.measure.cache = {};
- lineView.measure.heights = null;
- if (lineView.rest) for (var i = 0; i < lineView.rest.length; i++)
- lineView.measure.caches[i] = {};
- }
- }
-
- function clearLineMeasurementCache(cm) {
- cm.display.externalMeasure = null;
- removeChildren(cm.display.lineMeasure);
- for (var i = 0; i < cm.display.view.length; i++)
- clearLineMeasurementCacheFor(cm.display.view[i]);
- }
-
- function clearCaches(cm) {
- clearLineMeasurementCache(cm);
- cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
- if (!cm.options.lineWrapping) cm.display.maxLineChanged = true;
- cm.display.lineNumChars = null;
- }
-
- function pageScrollX() { return window.pageXOffset || (document.documentElement || document.body).scrollLeft; }
- function pageScrollY() { return window.pageYOffset || (document.documentElement || document.body).scrollTop; }
-
- // Converts a {top, bottom, left, right} box from line-local
- // coordinates into another coordinate system. Context may be one of
- // "line", "div" (display.lineDiv), "local"/null (editor), "window",
- // or "page".
- function intoCoordSystem(cm, lineObj, rect, context) {
- if (lineObj.widgets) for (var i = 0; i < lineObj.widgets.length; ++i) if (lineObj.widgets[i].above) {
- var size = widgetHeight(lineObj.widgets[i]);
- rect.top += size; rect.bottom += size;
- }
- if (context == "line") return rect;
- if (!context) context = "local";
- var yOff = heightAtLine(lineObj);
- if (context == "local") yOff += paddingTop(cm.display);
- else yOff -= cm.display.viewOffset;
- if (context == "page" || context == "window") {
- var lOff = cm.display.lineSpace.getBoundingClientRect();
- yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
- var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
- rect.left += xOff; rect.right += xOff;
- }
- rect.top += yOff; rect.bottom += yOff;
- return rect;
- }
-
- // Coverts a box from "div" coords to another coordinate system.
- // Context may be "window", "page", "div", or "local"/null.
- function fromCoordSystem(cm, coords, context) {
- if (context == "div") return coords;
- var left = coords.left, top = coords.top;
- // First move into "page" coordinate system
- if (context == "page") {
- left -= pageScrollX();
- top -= pageScrollY();
- } else if (context == "local" || !context) {
- var localBox = cm.display.sizer.getBoundingClientRect();
- left += localBox.left;
- top += localBox.top;
- }
-
- var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
- return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top};
- }
-
- function charCoords(cm, pos, context, lineObj, bias) {
- if (!lineObj) lineObj = getLine(cm.doc, pos.line);
- return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context);
- }
-
- // Returns a box for a given cursor position, which may have an
- // 'other' property containing the position of the secondary cursor
- // on a bidi boundary.
- function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
- lineObj = lineObj || getLine(cm.doc, pos.line);
- if (!preparedMeasure) preparedMeasure = prepareMeasureForLine(cm, lineObj);
- function get(ch, right) {
- var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
- if (right) m.left = m.right; else m.right = m.left;
- return intoCoordSystem(cm, lineObj, m, context);
- }
- function getBidi(ch, partPos) {
- var part = order[partPos], right = part.level % 2;
- if (ch == bidiLeft(part) && partPos && part.level < order[partPos - 1].level) {
- part = order[--partPos];
- ch = bidiRight(part) - (part.level % 2 ? 0 : 1);
- right = true;
- } else if (ch == bidiRight(part) && partPos < order.length - 1 && part.level < order[partPos + 1].level) {
- part = order[++partPos];
- ch = bidiLeft(part) - part.level % 2;
- right = false;
- }
- if (right && ch == part.to && ch > part.from) return get(ch - 1);
- return get(ch, right);
- }
- var order = getOrder(lineObj), ch = pos.ch;
- if (!order) return get(ch);
- var partPos = getBidiPartAt(order, ch);
- var val = getBidi(ch, partPos);
- if (bidiOther != null) val.other = getBidi(ch, bidiOther);
- return val;
- }
-
- // Used to cheaply estimate the coordinates for a position. Used for
- // intermediate scroll updates.
- function estimateCoords(cm, pos) {
- var left = 0, pos = clipPos(cm.doc, pos);
- if (!cm.options.lineWrapping) left = charWidth(cm.display) * pos.ch;
- var lineObj = getLine(cm.doc, pos.line);
- var top = heightAtLine(lineObj) + paddingTop(cm.display);
- return {left: left, right: left, top: top, bottom: top + lineObj.height};
- }
-
- // Positions returned by coordsChar contain some extra information.
- // xRel is the relative x position of the input coordinates compared
- // to the found position (so xRel > 0 means the coordinates are to
- // the right of the character position, for example). When outside
- // is true, that means the coordinates lie outside the line's
- // vertical range.
- function PosWithInfo(line, ch, outside, xRel) {
- var pos = Pos(line, ch);
- pos.xRel = xRel;
- if (outside) pos.outside = true;
- return pos;
- }
-
- // Compute the character position closest to the given coordinates.
- // Input must be lineSpace-local ("div" coordinate system).
- function coordsChar(cm, x, y) {
- var doc = cm.doc;
- y += cm.display.viewOffset;
- if (y < 0) return PosWithInfo(doc.first, 0, true, -1);
- var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
- if (lineN > last)
- return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, true, 1);
- if (x < 0) x = 0;
-
- var lineObj = getLine(doc, lineN);
- for (;;) {
- var found = coordsCharInner(cm, lineObj, lineN, x, y);
- var merged = collapsedSpanAtEnd(lineObj);
- var mergedPos = merged && merged.find(0, true);
- if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
- lineN = lineNo(lineObj = mergedPos.to.line);
- else
- return found;
- }
- }
-
- function coordsCharInner(cm, lineObj, lineNo, x, y) {
- var innerOff = y - heightAtLine(lineObj);
- var wrongLine = false, adjust = 2 * cm.display.wrapper.clientWidth;
- var preparedMeasure = prepareMeasureForLine(cm, lineObj);
-
- function getX(ch) {
- var sp = cursorCoords(cm, Pos(lineNo, ch), "line", lineObj, preparedMeasure);
- wrongLine = true;
- if (innerOff > sp.bottom) return sp.left - adjust;
- else if (innerOff < sp.top) return sp.left + adjust;
- else wrongLine = false;
- return sp.left;
- }
-
- var bidi = getOrder(lineObj), dist = lineObj.text.length;
- var from = lineLeft(lineObj), to = lineRight(lineObj);
- var fromX = getX(from), fromOutside = wrongLine, toX = getX(to), toOutside = wrongLine;
-
- if (x > toX) return PosWithInfo(lineNo, to, toOutside, 1);
- // Do a binary search between these bounds.
- for (;;) {
- if (bidi ? to == from || to == moveVisually(lineObj, from, 1) : to - from <= 1) {
- var ch = x < fromX || x - fromX <= toX - x ? from : to;
- var xDiff = x - (ch == from ? fromX : toX);
- while (isExtendingChar(lineObj.text.charAt(ch))) ++ch;
- var pos = PosWithInfo(lineNo, ch, ch == from ? fromOutside : toOutside,
- xDiff < -1 ? -1 : xDiff > 1 ? 1 : 0);
- return pos;
- }
- var step = Math.ceil(dist / 2), middle = from + step;
- if (bidi) {
- middle = from;
- for (var i = 0; i < step; ++i) middle = moveVisually(lineObj, middle, 1);
- }
- var middleX = getX(middle);
- if (middleX > x) {to = middle; toX = middleX; if (toOutside = wrongLine) toX += 1000; dist = step;}
- else {from = middle; fromX = middleX; fromOutside = wrongLine; dist -= step;}
- }
- }
-
- var measureText;
- // Compute the default text height.
- function textHeight(display) {
- if (display.cachedTextHeight != null) return display.cachedTextHeight;
- if (measureText == null) {
- measureText = elt("pre");
- // Measure a bunch of lines, for browsers that compute
- // fractional heights.
- for (var i = 0; i < 49; ++i) {
- measureText.appendChild(document.createTextNode("x"));
- measureText.appendChild(elt("br"));
- }
- measureText.appendChild(document.createTextNode("x"));
- }
- removeChildrenAndAdd(display.measure, measureText);
- var height = measureText.offsetHeight / 50;
- if (height > 3) display.cachedTextHeight = height;
- removeChildren(display.measure);
- return height || 1;
- }
-
- // Compute the default character width.
- function charWidth(display) {
- if (display.cachedCharWidth != null) return display.cachedCharWidth;
- var anchor = elt("span", "xxxxxxxxxx");
- var pre = elt("pre", [anchor]);
- removeChildrenAndAdd(display.measure, pre);
- var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
- if (width > 2) display.cachedCharWidth = width;
- return width || 10;
- }
-
- // OPERATIONS
-
- // Operations are used to wrap a series of changes to the editor
- // state in such a way that each change won't have to update the
- // cursor and display (which would be awkward, slow, and
- // error-prone). Instead, display updates are batched and then all
- // combined and executed at once.
-
- var operationGroup = null;
-
- var nextOpId = 0;
- // Start a new operation.
- function startOperation(cm) {
- cm.curOp = {
- cm: cm,
- viewChanged: false, // Flag that indicates that lines might need to be redrawn
- startHeight: cm.doc.height, // Used to detect need to update scrollbar
- forceUpdate: false, // Used to force a redraw
- updateInput: null, // Whether to reset the input textarea
- typing: false, // Whether this reset should be careful to leave existing text (for compositing)
- changeObjs: null, // Accumulated changes, for firing change events
- cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
- cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
- selectionChanged: false, // Whether the selection needs to be redrawn
- updateMaxLine: false, // Set when the widest line needs to be determined anew
- scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
- scrollToPos: null, // Used to scroll to a specific position
- focus: false,
- id: ++nextOpId // Unique ID
- };
- if (operationGroup) {
- operationGroup.ops.push(cm.curOp);
- } else {
- cm.curOp.ownsGroup = operationGroup = {
- ops: [cm.curOp],
- delayedCallbacks: []
- };
- }
- }
-
- function fireCallbacksForOps(group) {
- // Calls delayed callbacks and cursorActivity handlers until no
- // new ones appear
- var callbacks = group.delayedCallbacks, i = 0;
- do {
- for (; i < callbacks.length; i++)
- callbacks[i].call(null);
- for (var j = 0; j < group.ops.length; j++) {
- var op = group.ops[j];
- if (op.cursorActivityHandlers)
- while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
- op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm);
- }
- } while (i < callbacks.length);
- }
-
- // Finish an operation, updating the display and signalling delayed events
- function endOperation(cm) {
- var op = cm.curOp, group = op.ownsGroup;
- if (!group) return;
-
- try { fireCallbacksForOps(group); }
- finally {
- operationGroup = null;
- for (var i = 0; i < group.ops.length; i++)
- group.ops[i].cm.curOp = null;
- endOperations(group);
- }
- }
-
- // The DOM updates done when an operation finishes are batched so
- // that the minimum number of relayouts are required.
- function endOperations(group) {
- var ops = group.ops;
- for (var i = 0; i < ops.length; i++) // Read DOM
- endOperation_R1(ops[i]);
- for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
- endOperation_W1(ops[i]);
- for (var i = 0; i < ops.length; i++) // Read DOM
- endOperation_R2(ops[i]);
- for (var i = 0; i < ops.length; i++) // Write DOM (maybe)
- endOperation_W2(ops[i]);
- for (var i = 0; i < ops.length; i++) // Read DOM
- endOperation_finish(ops[i]);
- }
-
- function endOperation_R1(op) {
- var cm = op.cm, display = cm.display;
- maybeClipScrollbars(cm);
- if (op.updateMaxLine) findMaxLine(cm);
-
- op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
- op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
- op.scrollToPos.to.line >= display.viewTo) ||
- display.maxLineChanged && cm.options.lineWrapping;
- op.update = op.mustUpdate &&
- new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
- }
-
- function endOperation_W1(op) {
- op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
- }
-
- function endOperation_R2(op) {
- var cm = op.cm, display = cm.display;
- if (op.updatedDisplay) updateHeightsInViewport(cm);
-
- op.barMeasure = measureForScrollbars(cm);
-
- // If the max line changed since it was last measured, measure it,
- // and ensure the document's width matches it.
- // updateDisplay_W2 will use these properties to do the actual resizing
- if (display.maxLineChanged && !cm.options.lineWrapping) {
- op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
- cm.display.sizerWidth = op.adjustWidthTo;
- op.barMeasure.scrollWidth =
- Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
- op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
- }
-
- if (op.updatedDisplay || op.selectionChanged)
- op.preparedSelection = display.input.prepareSelection();
- }
-
- function endOperation_W2(op) {
- var cm = op.cm;
-
- if (op.adjustWidthTo != null) {
- cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
- if (op.maxScrollLeft < cm.doc.scrollLeft)
- setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true);
- cm.display.maxLineChanged = false;
- }
-
- if (op.preparedSelection)
- cm.display.input.showSelection(op.preparedSelection);
- if (op.updatedDisplay)
- setDocumentHeight(cm, op.barMeasure);
- if (op.updatedDisplay || op.startHeight != cm.doc.height)
- updateScrollbars(cm, op.barMeasure);
-
- if (op.selectionChanged) restartBlink(cm);
-
- if (cm.state.focused && op.updateInput)
- cm.display.input.reset(op.typing);
- if (op.focus && op.focus == activeElt()) ensureFocus(op.cm);
- }
-
- function endOperation_finish(op) {
- var cm = op.cm, display = cm.display, doc = cm.doc;
-
- if (op.updatedDisplay) postUpdateDisplay(cm, op.update);
-
- // Abort mouse wheel delta measurement, when scrolling explicitly
- if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
- display.wheelStartX = display.wheelStartY = null;
-
- // Propagate the scroll position to the actual DOM scroller
- if (op.scrollTop != null && (display.scroller.scrollTop != op.scrollTop || op.forceScroll)) {
- doc.scrollTop = Math.max(0, Math.min(display.scroller.scrollHeight - display.scroller.clientHeight, op.scrollTop));
- display.scrollbars.setScrollTop(doc.scrollTop);
- display.scroller.scrollTop = doc.scrollTop;
- }
- if (op.scrollLeft != null && (display.scroller.scrollLeft != op.scrollLeft || op.forceScroll)) {
- doc.scrollLeft = Math.max(0, Math.min(display.scroller.scrollWidth - displayWidth(cm), op.scrollLeft));
- display.scrollbars.setScrollLeft(doc.scrollLeft);
- display.scroller.scrollLeft = doc.scrollLeft;
- alignHorizontally(cm);
- }
- // If we need to scroll a specific position into view, do so.
- if (op.scrollToPos) {
- var coords = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
- clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
- if (op.scrollToPos.isCursor && cm.state.focused) maybeScrollWindow(cm, coords);
- }
-
- // Fire events for markers that are hidden/unidden by editing or
- // undoing
- var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
- if (hidden) for (var i = 0; i < hidden.length; ++i)
- if (!hidden[i].lines.length) signal(hidden[i], "hide");
- if (unhidden) for (var i = 0; i < unhidden.length; ++i)
- if (unhidden[i].lines.length) signal(unhidden[i], "unhide");
-
- if (display.wrapper.offsetHeight)
- doc.scrollTop = cm.display.scroller.scrollTop;
-
- // Fire change events, and delayed event handlers
- if (op.changeObjs)
- signal(cm, "changes", cm, op.changeObjs);
- if (op.update)
- op.update.finish();
- }
-
- // Run the given function in an operation
- function runInOp(cm, f) {
- if (cm.curOp) return f();
- startOperation(cm);
- try { return f(); }
- finally { endOperation(cm); }
- }
- // Wraps a function in an operation. Returns the wrapped function.
- function operation(cm, f) {
- return function() {
- if (cm.curOp) return f.apply(cm, arguments);
- startOperation(cm);
- try { return f.apply(cm, arguments); }
- finally { endOperation(cm); }
- };
- }
- // Used to add methods to editor and doc instances, wrapping them in
- // operations.
- function methodOp(f) {
- return function() {
- if (this.curOp) return f.apply(this, arguments);
- startOperation(this);
- try { return f.apply(this, arguments); }
- finally { endOperation(this); }
- };
- }
- function docMethodOp(f) {
- return function() {
- var cm = this.cm;
- if (!cm || cm.curOp) return f.apply(this, arguments);
- startOperation(cm);
- try { return f.apply(this, arguments); }
- finally { endOperation(cm); }
- };
- }
-
- // VIEW TRACKING
-
- // These objects are used to represent the visible (currently drawn)
- // part of the document. A LineView may correspond to multiple
- // logical lines, if those are connected by collapsed ranges.
- function LineView(doc, line, lineN) {
- // The starting line
- this.line = line;
- // Continuing lines, if any
- this.rest = visualLineContinued(line);
- // Number of logical lines in this visual line
- this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
- this.node = this.text = null;
- this.hidden = lineIsHidden(doc, line);
- }
-
- // Create a range of LineView objects for the given lines.
- function buildViewArray(cm, from, to) {
- var array = [], nextPos;
- for (var pos = from; pos < to; pos = nextPos) {
- var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
- nextPos = pos + view.size;
- array.push(view);
- }
- return array;
- }
-
- // Updates the display.view data structure for a given change to the
- // document. From and to are in pre-change coordinates. Lendiff is
- // the amount of lines added or subtracted by the change. This is
- // used for changes that span multiple lines, or change the way
- // lines are divided into visual lines. regLineChange (below)
- // registers single-line changes.
- function regChange(cm, from, to, lendiff) {
- if (from == null) from = cm.doc.first;
- if (to == null) to = cm.doc.first + cm.doc.size;
- if (!lendiff) lendiff = 0;
-
- var display = cm.display;
- if (lendiff && to < display.viewTo &&
- (display.updateLineNumbers == null || display.updateLineNumbers > from))
- display.updateLineNumbers = from;
-
- cm.curOp.viewChanged = true;
-
- if (from >= display.viewTo) { // Change after
- if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
- resetView(cm);
- } else if (to <= display.viewFrom) { // Change before
- if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
- resetView(cm);
- } else {
- display.viewFrom += lendiff;
- display.viewTo += lendiff;
- }
- } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
- resetView(cm);
- } else if (from <= display.viewFrom) { // Top overlap
- var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
- if (cut) {
- display.view = display.view.slice(cut.index);
- display.viewFrom = cut.lineN;
- display.viewTo += lendiff;
- } else {
- resetView(cm);
- }
- } else if (to >= display.viewTo) { // Bottom overlap
- var cut = viewCuttingPoint(cm, from, from, -1);
- if (cut) {
- display.view = display.view.slice(0, cut.index);
- display.viewTo = cut.lineN;
- } else {
- resetView(cm);
- }
- } else { // Gap in the middle
- var cutTop = viewCuttingPoint(cm, from, from, -1);
- var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
- if (cutTop && cutBot) {
- display.view = display.view.slice(0, cutTop.index)
- .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
- .concat(display.view.slice(cutBot.index));
- display.viewTo += lendiff;
- } else {
- resetView(cm);
- }
- }
-
- var ext = display.externalMeasured;
- if (ext) {
- if (to < ext.lineN)
- ext.lineN += lendiff;
- else if (from < ext.lineN + ext.size)
- display.externalMeasured = null;
- }
- }
-
- // Register a change to a single line. Type must be one of "text",
- // "gutter", "class", "widget"
- function regLineChange(cm, line, type) {
- cm.curOp.viewChanged = true;
- var display = cm.display, ext = cm.display.externalMeasured;
- if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
- display.externalMeasured = null;
-
- if (line < display.viewFrom || line >= display.viewTo) return;
- var lineView = display.view[findViewIndex(cm, line)];
- if (lineView.node == null) return;
- var arr = lineView.changes || (lineView.changes = []);
- if (indexOf(arr, type) == -1) arr.push(type);
- }
-
- // Clear the view.
- function resetView(cm) {
- cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
- cm.display.view = [];
- cm.display.viewOffset = 0;
- }
-
- // Find the view element corresponding to a given line. Return null
- // when the line isn't visible.
- function findViewIndex(cm, n) {
- if (n >= cm.display.viewTo) return null;
- n -= cm.display.viewFrom;
- if (n < 0) return null;
- var view = cm.display.view;
- for (var i = 0; i < view.length; i++) {
- n -= view[i].size;
- if (n < 0) return i;
- }
- }
-
- function viewCuttingPoint(cm, oldN, newN, dir) {
- var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
- if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
- return {index: index, lineN: newN};
- for (var i = 0, n = cm.display.viewFrom; i < index; i++)
- n += view[i].size;
- if (n != oldN) {
- if (dir > 0) {
- if (index == view.length - 1) return null;
- diff = (n + view[index].size) - oldN;
- index++;
- } else {
- diff = n - oldN;
- }
- oldN += diff; newN += diff;
- }
- while (visualLineNo(cm.doc, newN) != newN) {
- if (index == (dir < 0 ? 0 : view.length - 1)) return null;
- newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
- index += dir;
- }
- return {index: index, lineN: newN};
- }
-
- // Force the view to cover a given range, adding empty view element
- // or clipping off existing ones as needed.
- function adjustView(cm, from, to) {
- var display = cm.display, view = display.view;
- if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
- display.view = buildViewArray(cm, from, to);
- display.viewFrom = from;
- } else {
- if (display.viewFrom > from)
- display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view);
- else if (display.viewFrom < from)
- display.view = display.view.slice(findViewIndex(cm, from));
- display.viewFrom = from;
- if (display.viewTo < to)
- display.view = display.view.concat(buildViewArray(cm, display.viewTo, to));
- else if (display.viewTo > to)
- display.view = display.view.slice(0, findViewIndex(cm, to));
- }
- display.viewTo = to;
- }
-
- // Count the number of lines in the view whose DOM representation is
- // out of date (or nonexistent).
- function countDirtyView(cm) {
- var view = cm.display.view, dirty = 0;
- for (var i = 0; i < view.length; i++) {
- var lineView = view[i];
- if (!lineView.hidden && (!lineView.node || lineView.changes)) ++dirty;
- }
- return dirty;
- }
-
- // EVENT HANDLERS
-
- // Attach the necessary event handlers when initializing the editor
- function registerEventHandlers(cm) {
- var d = cm.display;
- on(d.scroller, "mousedown", operation(cm, onMouseDown));
- // Older IE's will not fire a second mousedown for a double click
- if (ie && ie_version < 11)
- on(d.scroller, "dblclick", operation(cm, function(e) {
- if (signalDOMEvent(cm, e)) return;
- var pos = posFromMouse(cm, e);
- if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) return;
- e_preventDefault(e);
- var word = cm.findWordAt(pos);
- extendSelection(cm.doc, word.anchor, word.head);
- }));
- else
- on(d.scroller, "dblclick", function(e) { signalDOMEvent(cm, e) || e_preventDefault(e); });
- // Some browsers fire contextmenu *after* opening the menu, at
- // which point we can't mess with it anymore. Context menu is
- // handled in onMouseDown for these browsers.
- if (!captureRightClick) on(d.scroller, "contextmenu", function(e) {onContextMenu(cm, e);});
-
- // Used to suppress mouse event handling when a touch happens
- var touchFinished, prevTouch = {end: 0};
- function finishTouch() {
- if (d.activeTouch) {
- touchFinished = setTimeout(function() {d.activeTouch = null;}, 1000);
- prevTouch = d.activeTouch;
- prevTouch.end = +new Date;
- }
- };
- function isMouseLikeTouchEvent(e) {
- if (e.touches.length != 1) return false;
- var touch = e.touches[0];
- return touch.radiusX <= 1 && touch.radiusY <= 1;
- }
- function farAway(touch, other) {
- if (other.left == null) return true;
- var dx = other.left - touch.left, dy = other.top - touch.top;
- return dx * dx + dy * dy > 20 * 20;
- }
- on(d.scroller, "touchstart", function(e) {
- if (!isMouseLikeTouchEvent(e)) {
- clearTimeout(touchFinished);
- var now = +new Date;
- d.activeTouch = {start: now, moved: false,
- prev: now - prevTouch.end <= 300 ? prevTouch : null};
- if (e.touches.length == 1) {
- d.activeTouch.left = e.touches[0].pageX;
- d.activeTouch.top = e.touches[0].pageY;
- }
- }
- });
- on(d.scroller, "touchmove", function() {
- if (d.activeTouch) d.activeTouch.moved = true;
- });
- on(d.scroller, "touchend", function(e) {
- var touch = d.activeTouch;
- if (touch && !eventInWidget(d, e) && touch.left != null &&
- !touch.moved && new Date - touch.start < 300) {
- var pos = cm.coordsChar(d.activeTouch, "page"), range;
- if (!touch.prev || farAway(touch, touch.prev)) // Single tap
- range = new Range(pos, pos);
- else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
- range = cm.findWordAt(pos);
- else // Triple tap
- range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0)));
- cm.setSelection(range.anchor, range.head);
- cm.focus();
- e_preventDefault(e);
- }
- finishTouch();
- });
- on(d.scroller, "touchcancel", finishTouch);
-
- // Sync scrolling between fake scrollbars and real scrollable
- // area, ensure viewport is updated when scrolling.
- on(d.scroller, "scroll", function() {
- if (d.scroller.clientHeight) {
- setScrollTop(cm, d.scroller.scrollTop);
- setScrollLeft(cm, d.scroller.scrollLeft, true);
- signal(cm, "scroll", cm);
- }
- });
-
- // Listen to wheel events in order to try and update the viewport on time.
- on(d.scroller, "mousewheel", function(e){onScrollWheel(cm, e);});
- on(d.scroller, "DOMMouseScroll", function(e){onScrollWheel(cm, e);});
-
- // Prevent wrapper from ever scrolling
- on(d.wrapper, "scroll", function() { d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-
- d.dragFunctions = {
- enter: function(e) {if (!signalDOMEvent(cm, e)) e_stop(e);},
- over: function(e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
- start: function(e){onDragStart(cm, e);},
- drop: operation(cm, onDrop),
- leave: function() {clearDragCursor(cm);}
- };
-
- var inp = d.input.getField();
- on(inp, "keyup", function(e) { onKeyUp.call(cm, e); });
- on(inp, "keydown", operation(cm, onKeyDown));
- on(inp, "keypress", operation(cm, onKeyPress));
- on(inp, "focus", bind(onFocus, cm));
- on(inp, "blur", bind(onBlur, cm));
- }
-
- function dragDropChanged(cm, value, old) {
- var wasOn = old && old != CodeMirror.Init;
- if (!value != !wasOn) {
- var funcs = cm.display.dragFunctions;
- var toggle = value ? on : off;
- toggle(cm.display.scroller, "dragstart", funcs.start);
- toggle(cm.display.scroller, "dragenter", funcs.enter);
- toggle(cm.display.scroller, "dragover", funcs.over);
- toggle(cm.display.scroller, "dragleave", funcs.leave);
- toggle(cm.display.scroller, "drop", funcs.drop);
- }
- }
-
- // Called when the window resizes
- function onResize(cm) {
- var d = cm.display;
- if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
- return;
- // Might be a text scaling operation, clear size caches.
- d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
- d.scrollbarsClipped = false;
- cm.setSize();
- }
-
- // MOUSE EVENTS
-
- // Return true when the given mouse event happened in a widget
- function eventInWidget(display, e) {
- for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
- if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
- (n.parentNode == display.sizer && n != display.mover))
- return true;
- }
- }
-
- // Given a mouse event, find the corresponding position. If liberal
- // is false, it checks whether a gutter or scrollbar was clicked,
- // and returns null if it was. forRect is used by rectangular
- // selections, and tries to estimate a character position even for
- // coordinates beyond the right of the text.
- function posFromMouse(cm, e, liberal, forRect) {
- var display = cm.display;
- if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") return null;
-
- var x, y, space = display.lineSpace.getBoundingClientRect();
- // Fails unpredictably on IE[67] when mouse is dragged around quickly.
- try { x = e.clientX - space.left; y = e.clientY - space.top; }
- catch (e) { return null; }
- var coords = coordsChar(cm, x, y), line;
- if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
- var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
- coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
- }
- return coords;
- }
-
- // A mouse down can be a single click, double click, triple click,
- // start of selection drag, start of text drag, new cursor
- // (ctrl-click), rectangle drag (alt-drag), or xwin
- // middle-click-paste. Or it might be a click on something we should
- // not interfere with, such as a scrollbar or widget.
- function onMouseDown(e) {
- var cm = this, display = cm.display;
- if (display.activeTouch && display.input.supportsTouch() || signalDOMEvent(cm, e)) return;
- display.shift = e.shiftKey;
-
- if (eventInWidget(display, e)) {
- if (!webkit) {
- // Briefly turn off draggability, to allow widgets to do
- // normal dragging things.
- display.scroller.draggable = false;
- setTimeout(function(){display.scroller.draggable = true;}, 100);
- }
- return;
- }
- if (clickInGutter(cm, e)) return;
- var start = posFromMouse(cm, e);
- window.focus();
-
- switch (e_button(e)) {
- case 1:
- // #3261: make sure, that we're not starting a second selection
- if (cm.state.selectingText)
- cm.state.selectingText(e);
- else if (start)
- leftButtonDown(cm, e, start);
- else if (e_target(e) == display.scroller)
- e_preventDefault(e);
- break;
- case 2:
- if (webkit) cm.state.lastMiddleDown = +new Date;
- if (start) extendSelection(cm.doc, start);
- setTimeout(function() {display.input.focus();}, 20);
- e_preventDefault(e);
- break;
- case 3:
- if (captureRightClick) onContextMenu(cm, e);
- else delayBlurEvent(cm);
- break;
- }
- }
-
- var lastClick, lastDoubleClick;
- function leftButtonDown(cm, e, start) {
- if (ie) setTimeout(bind(ensureFocus, cm), 0);
- else cm.curOp.focus = activeElt();
-
- var now = +new Date, type;
- if (lastDoubleClick && lastDoubleClick.time > now - 400 && cmp(lastDoubleClick.pos, start) == 0) {
- type = "triple";
- } else if (lastClick && lastClick.time > now - 400 && cmp(lastClick.pos, start) == 0) {
- type = "double";
- lastDoubleClick = {time: now, pos: start};
- } else {
- type = "single";
- lastClick = {time: now, pos: start};
- }
-
- var sel = cm.doc.sel, modifier = mac ? e.metaKey : e.ctrlKey, contained;
- if (cm.options.dragDrop && dragAndDrop && !isReadOnly(cm) &&
- type == "single" && (contained = sel.contains(start)) > -1 &&
- (cmp((contained = sel.ranges[contained]).from(), start) < 0 || start.xRel > 0) &&
- (cmp(contained.to(), start) > 0 || start.xRel < 0))
- leftButtonStartDrag(cm, e, start, modifier);
- else
- leftButtonSelect(cm, e, start, type, modifier);
- }
-
- // Start a text drag. When it ends, see if any dragging actually
- // happen, and treat as a click if it didn't.
- function leftButtonStartDrag(cm, e, start, modifier) {
- var display = cm.display, startTime = +new Date;
- var dragEnd = operation(cm, function(e2) {
- if (webkit) display.scroller.draggable = false;
- cm.state.draggingText = false;
- off(document, "mouseup", dragEnd);
- off(display.scroller, "drop", dragEnd);
- if (Math.abs(e.clientX - e2.clientX) + Math.abs(e.clientY - e2.clientY) < 10) {
- e_preventDefault(e2);
- if (!modifier && +new Date - 200 < startTime)
- extendSelection(cm.doc, start);
- // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
- if (webkit || ie && ie_version == 9)
- setTimeout(function() {document.body.focus(); display.input.focus();}, 20);
- else
- display.input.focus();
- }
- });
- // Let the drag handler handle this.
- if (webkit) display.scroller.draggable = true;
- cm.state.draggingText = dragEnd;
- // IE's approach to draggable
- if (display.scroller.dragDrop) display.scroller.dragDrop();
- on(document, "mouseup", dragEnd);
- on(display.scroller, "drop", dragEnd);
- }
-
- // Normal selection, as opposed to text dragging.
- function leftButtonSelect(cm, e, start, type, addNew) {
- var display = cm.display, doc = cm.doc;
- e_preventDefault(e);
-
- var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
- if (addNew && !e.shiftKey) {
- ourIndex = doc.sel.contains(start);
- if (ourIndex > -1)
- ourRange = ranges[ourIndex];
- else
- ourRange = new Range(start, start);
- } else {
- ourRange = doc.sel.primary();
- ourIndex = doc.sel.primIndex;
- }
-
- if (e.altKey) {
- type = "rect";
- if (!addNew) ourRange = new Range(start, start);
- start = posFromMouse(cm, e, true, true);
- ourIndex = -1;
- } else if (type == "double") {
- var word = cm.findWordAt(start);
- if (cm.display.shift || doc.extend)
- ourRange = extendRange(doc, ourRange, word.anchor, word.head);
- else
- ourRange = word;
- } else if (type == "triple") {
- var line = new Range(Pos(start.line, 0), clipPos(doc, Pos(start.line + 1, 0)));
- if (cm.display.shift || doc.extend)
- ourRange = extendRange(doc, ourRange, line.anchor, line.head);
- else
- ourRange = line;
- } else {
- ourRange = extendRange(doc, ourRange, start);
- }
-
- if (!addNew) {
- ourIndex = 0;
- setSelection(doc, new Selection([ourRange], 0), sel_mouse);
- startSel = doc.sel;
- } else if (ourIndex == -1) {
- ourIndex = ranges.length;
- setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
- {scroll: false, origin: "*mouse"});
- } else if (ranges.length > 1 && ranges[ourIndex].empty() && type == "single" && !e.shiftKey) {
- setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
- {scroll: false, origin: "*mouse"});
- startSel = doc.sel;
- } else {
- replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
- }
-
- var lastPos = start;
- function extendTo(pos) {
- if (cmp(lastPos, pos) == 0) return;
- lastPos = pos;
-
- if (type == "rect") {
- var ranges = [], tabSize = cm.options.tabSize;
- var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
- var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
- var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
- for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
- line <= end; line++) {
- var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
- if (left == right)
- ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos)));
- else if (text.length > leftPos)
- ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize))));
- }
- if (!ranges.length) ranges.push(new Range(start, start));
- setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
- {origin: "*mouse", scroll: false});
- cm.scrollIntoView(pos);
- } else {
- var oldRange = ourRange;
- var anchor = oldRange.anchor, head = pos;
- if (type != "single") {
- if (type == "double")
- var range = cm.findWordAt(pos);
- else
- var range = new Range(Pos(pos.line, 0), clipPos(doc, Pos(pos.line + 1, 0)));
- if (cmp(range.anchor, anchor) > 0) {
- head = range.head;
- anchor = minPos(oldRange.from(), range.anchor);
- } else {
- head = range.anchor;
- anchor = maxPos(oldRange.to(), range.head);
- }
- }
- var ranges = startSel.ranges.slice(0);
- ranges[ourIndex] = new Range(clipPos(doc, anchor), head);
- setSelection(doc, normalizeSelection(ranges, ourIndex), sel_mouse);
- }
- }
-
- var editorSize = display.wrapper.getBoundingClientRect();
- // Used to ensure timeout re-tries don't fire when another extend
- // happened in the meantime (clearTimeout isn't reliable -- at
- // least on Chrome, the timeouts still happen even when cleared,
- // if the clear happens after their scheduled firing time).
- var counter = 0;
-
- function extend(e) {
- var curCount = ++counter;
- var cur = posFromMouse(cm, e, true, type == "rect");
- if (!cur) return;
- if (cmp(cur, lastPos) != 0) {
- cm.curOp.focus = activeElt();
- extendTo(cur);
- var visible = visibleLines(display, doc);
- if (cur.line >= visible.to || cur.line < visible.from)
- setTimeout(operation(cm, function(){if (counter == curCount) extend(e);}), 150);
- } else {
- var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
- if (outside) setTimeout(operation(cm, function() {
- if (counter != curCount) return;
- display.scroller.scrollTop += outside;
- extend(e);
- }), 50);
- }
- }
-
- function done(e) {
- cm.state.selectingText = false;
- counter = Infinity;
- e_preventDefault(e);
- display.input.focus();
- off(document, "mousemove", move);
- off(document, "mouseup", up);
- doc.history.lastSelOrigin = null;
- }
-
- var move = operation(cm, function(e) {
- if (!e_button(e)) done(e);
- else extend(e);
- });
- var up = operation(cm, done);
- cm.state.selectingText = up;
- on(document, "mousemove", move);
- on(document, "mouseup", up);
- }
-
- // Determines whether an event happened in the gutter, and fires the
- // handlers for the corresponding event.
- function gutterEvent(cm, e, type, prevent, signalfn) {
- try { var mX = e.clientX, mY = e.clientY; }
- catch(e) { return false; }
- if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) return false;
- if (prevent) e_preventDefault(e);
-
- var display = cm.display;
- var lineBox = display.lineDiv.getBoundingClientRect();
-
- if (mY > lineBox.bottom || !hasHandler(cm, type)) return e_defaultPrevented(e);
- mY -= lineBox.top - display.viewOffset;
-
- for (var i = 0; i < cm.options.gutters.length; ++i) {
- var g = display.gutters.childNodes[i];
- if (g && g.getBoundingClientRect().right >= mX) {
- var line = lineAtHeight(cm.doc, mY);
- var gutter = cm.options.gutters[i];
- signalfn(cm, type, cm, line, gutter, e);
- return e_defaultPrevented(e);
- }
- }
- }
-
- function clickInGutter(cm, e) {
- return gutterEvent(cm, e, "gutterClick", true, signalLater);
- }
-
- // Kludge to work around strange IE behavior where it'll sometimes
- // re-fire a series of drag-related events right after the drop (#1551)
- var lastDrop = 0;
-
- function onDrop(e) {
- var cm = this;
- clearDragCursor(cm);
- if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
- return;
- e_preventDefault(e);
- if (ie) lastDrop = +new Date;
- var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
- if (!pos || isReadOnly(cm)) return;
- // Might be a file drop, in which case we simply extract the text
- // and insert it.
- if (files && files.length && window.FileReader && window.File) {
- var n = files.length, text = Array(n), read = 0;
- var loadFile = function(file, i) {
- if (cm.options.allowDropFileTypes &&
- indexOf(cm.options.allowDropFileTypes, file.type) == -1)
- return;
-
- var reader = new FileReader;
- reader.onload = operation(cm, function() {
- var content = reader.result;
- if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) content = "";
- text[i] = content;
- if (++read == n) {
- pos = clipPos(cm.doc, pos);
- var change = {from: pos, to: pos,
- text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
- origin: "paste"};
- makeChange(cm.doc, change);
- setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
- }
- });
- reader.readAsText(file);
- };
- for (var i = 0; i < n; ++i) loadFile(files[i], i);
- } else { // Normal drop
- // Don't do a replace if the drop happened inside of the selected text.
- if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
- cm.state.draggingText(e);
- // Ensure the editor is re-focused
- setTimeout(function() {cm.display.input.focus();}, 20);
- return;
- }
- try {
- var text = e.dataTransfer.getData("Text");
- if (text) {
- if (cm.state.draggingText && !(mac ? e.altKey : e.ctrlKey))
- var selected = cm.listSelections();
- setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
- if (selected) for (var i = 0; i < selected.length; ++i)
- replaceRange(cm.doc, "", selected[i].anchor, selected[i].head, "drag");
- cm.replaceSelection(text, "around", "paste");
- cm.display.input.focus();
- }
- }
- catch(e){}
- }
- }
-
- function onDragStart(cm, e) {
- if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return; }
- if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) return;
-
- e.dataTransfer.setData("Text", cm.getSelection());
-
- // Use dummy image instead of default browsers image.
- // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
- if (e.dataTransfer.setDragImage && !safari) {
- var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
- img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
- if (presto) {
- img.width = img.height = 1;
- cm.display.wrapper.appendChild(img);
- // Force a relayout, or Opera won't use our image for some obscure reason
- img._top = img.offsetTop;
- }
- e.dataTransfer.setDragImage(img, 0, 0);
- if (presto) img.parentNode.removeChild(img);
- }
- }
-
- function onDragOver(cm, e) {
- var pos = posFromMouse(cm, e);
- if (!pos) return;
- var frag = document.createDocumentFragment();
- drawSelectionCursor(cm, pos, frag);
- if (!cm.display.dragCursor) {
- cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
- cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
- }
- removeChildrenAndAdd(cm.display.dragCursor, frag);
- }
-
- function clearDragCursor(cm) {
- if (cm.display.dragCursor) {
- cm.display.lineSpace.removeChild(cm.display.dragCursor);
- cm.display.dragCursor = null;
- }
- }
-
- // SCROLL EVENTS
-
- // Sync the scrollable area and scrollbars, ensure the viewport
- // covers the visible area.
- function setScrollTop(cm, val) {
- if (Math.abs(cm.doc.scrollTop - val) < 2) return;
- cm.doc.scrollTop = val;
- if (!gecko) updateDisplaySimple(cm, {top: val});
- if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
- cm.display.scrollbars.setScrollTop(val);
- if (gecko) updateDisplaySimple(cm);
- startWorker(cm, 100);
- }
- // Sync scroller and scrollbar, ensure the gutter elements are
- // aligned.
- function setScrollLeft(cm, val, isScroller) {
- if (isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) return;
- val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
- cm.doc.scrollLeft = val;
- alignHorizontally(cm);
- if (cm.display.scroller.scrollLeft != val) cm.display.scroller.scrollLeft = val;
- cm.display.scrollbars.setScrollLeft(val);
- }
-
- // Since the delta values reported on mouse wheel events are
- // unstandardized between browsers and even browser versions, and
- // generally horribly unpredictable, this code starts by measuring
- // the scroll effect that the first few mouse wheel events have,
- // and, from that, detects the way it can convert deltas to pixel
- // offsets afterwards.
- //
- // The reason we want to know the amount a wheel event will scroll
- // is that it gives us a chance to update the display before the
- // actual scrolling happens, reducing flickering.
-
- var wheelSamples = 0, wheelPixelsPerUnit = null;
- // Fill in a browser-detected starting value on browsers where we
- // know one. These don't have to be accurate -- the result of them
- // being wrong would just be a slight flicker on the first wheel
- // scroll (if it is large enough).
- if (ie) wheelPixelsPerUnit = -.53;
- else if (gecko) wheelPixelsPerUnit = 15;
- else if (chrome) wheelPixelsPerUnit = -.7;
- else if (safari) wheelPixelsPerUnit = -1/3;
-
- var wheelEventDelta = function(e) {
- var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
- if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) dx = e.detail;
- if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) dy = e.detail;
- else if (dy == null) dy = e.wheelDelta;
- return {x: dx, y: dy};
- };
- CodeMirror.wheelEventPixels = function(e) {
- var delta = wheelEventDelta(e);
- delta.x *= wheelPixelsPerUnit;
- delta.y *= wheelPixelsPerUnit;
- return delta;
- };
-
- function onScrollWheel(cm, e) {
- var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
-
- var display = cm.display, scroll = display.scroller;
- // Quit if there's nothing to scroll here
- if (!(dx && scroll.scrollWidth > scroll.clientWidth ||
- dy && scroll.scrollHeight > scroll.clientHeight)) return;
-
- // Webkit browsers on OS X abort momentum scrolls when the target
- // of the scroll event is removed from the scrollable element.
- // This hack (see related code in patchDisplay) makes sure the
- // element is kept around.
- if (dy && mac && webkit) {
- outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
- for (var i = 0; i < view.length; i++) {
- if (view[i].node == cur) {
- cm.display.currentWheelTarget = cur;
- break outer;
- }
- }
- }
- }
-
- // On some browsers, horizontal scrolling will cause redraws to
- // happen before the gutter has been realigned, causing it to
- // wriggle around in a most unseemly way. When we have an
- // estimated pixels/delta value, we just handle horizontal
- // scrolling entirely here. It'll be slightly off from native, but
- // better than glitching out.
- if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
- if (dy)
- setScrollTop(cm, Math.max(0, Math.min(scroll.scrollTop + dy * wheelPixelsPerUnit, scroll.scrollHeight - scroll.clientHeight)));
- setScrollLeft(cm, Math.max(0, Math.min(scroll.scrollLeft + dx * wheelPixelsPerUnit, scroll.scrollWidth - scroll.clientWidth)));
- e_preventDefault(e);
- display.wheelStartX = null; // Abort measurement, if in progress
- return;
- }
-
- // 'Project' the visible viewport to cover the area that is being
- // scrolled into view (if we know enough to estimate it).
- if (dy && wheelPixelsPerUnit != null) {
- var pixels = dy * wheelPixelsPerUnit;
- var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
- if (pixels < 0) top = Math.max(0, top + pixels - 50);
- else bot = Math.min(cm.doc.height, bot + pixels + 50);
- updateDisplaySimple(cm, {top: top, bottom: bot});
- }
-
- if (wheelSamples < 20) {
- if (display.wheelStartX == null) {
- display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
- display.wheelDX = dx; display.wheelDY = dy;
- setTimeout(function() {
- if (display.wheelStartX == null) return;
- var movedX = scroll.scrollLeft - display.wheelStartX;
- var movedY = scroll.scrollTop - display.wheelStartY;
- var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
- (movedX && display.wheelDX && movedX / display.wheelDX);
- display.wheelStartX = display.wheelStartY = null;
- if (!sample) return;
- wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
- ++wheelSamples;
- }, 200);
- } else {
- display.wheelDX += dx; display.wheelDY += dy;
- }
- }
- }
-
- // KEY EVENTS
-
- // Run a handler that was bound to a key.
- function doHandleBinding(cm, bound, dropShift) {
- if (typeof bound == "string") {
- bound = commands[bound];
- if (!bound) return false;
- }
- // Ensure previous input has been read, so that the handler sees a
- // consistent view of the document
- cm.display.input.ensurePolled();
- var prevShift = cm.display.shift, done = false;
- try {
- if (isReadOnly(cm)) cm.state.suppressEdits = true;
- if (dropShift) cm.display.shift = false;
- done = bound(cm) != Pass;
- } finally {
- cm.display.shift = prevShift;
- cm.state.suppressEdits = false;
- }
- return done;
- }
-
- function lookupKeyForEditor(cm, name, handle) {
- for (var i = 0; i < cm.state.keyMaps.length; i++) {
- var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
- if (result) return result;
- }
- return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
- || lookupKey(name, cm.options.keyMap, handle, cm);
- }
-
- var stopSeq = new Delayed;
- function dispatchKey(cm, name, e, handle) {
- var seq = cm.state.keySeq;
- if (seq) {
- if (isModifierKey(name)) return "handled";
- stopSeq.set(50, function() {
- if (cm.state.keySeq == seq) {
- cm.state.keySeq = null;
- cm.display.input.reset();
- }
- });
- name = seq + " " + name;
- }
- var result = lookupKeyForEditor(cm, name, handle);
-
- if (result == "multi")
- cm.state.keySeq = name;
- if (result == "handled")
- signalLater(cm, "keyHandled", cm, name, e);
-
- if (result == "handled" || result == "multi") {
- e_preventDefault(e);
- restartBlink(cm);
- }
-
- if (seq && !result && /\'$/.test(name)) {
- e_preventDefault(e);
- return true;
- }
- return !!result;
- }
-
- // Handle a key from the keydown event.
- function handleKeyBinding(cm, e) {
- var name = keyName(e, true);
- if (!name) return false;
-
- if (e.shiftKey && !cm.state.keySeq) {
- // First try to resolve full name (including 'Shift-'). Failing
- // that, see if there is a cursor-motion command (starting with
- // 'go') bound to the keyname without 'Shift-'.
- return dispatchKey(cm, "Shift-" + name, e, function(b) {return doHandleBinding(cm, b, true);})
- || dispatchKey(cm, name, e, function(b) {
- if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
- return doHandleBinding(cm, b);
- });
- } else {
- return dispatchKey(cm, name, e, function(b) { return doHandleBinding(cm, b); });
- }
- }
-
- // Handle a key from the keypress event
- function handleCharBinding(cm, e, ch) {
- return dispatchKey(cm, "'" + ch + "'", e,
- function(b) { return doHandleBinding(cm, b, true); });
- }
-
- var lastStoppedKey = null;
- function onKeyDown(e) {
- var cm = this;
- cm.curOp.focus = activeElt();
- if (signalDOMEvent(cm, e)) return;
- // IE does strange things with escape.
- if (ie && ie_version < 11 && e.keyCode == 27) e.returnValue = false;
- var code = e.keyCode;
- cm.display.shift = code == 16 || e.shiftKey;
- var handled = handleKeyBinding(cm, e);
- if (presto) {
- lastStoppedKey = handled ? code : null;
- // Opera has no cut event... we try to at least catch the key combo
- if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
- cm.replaceSelection("", null, "cut");
- }
-
- // Turn mouse into crosshair when Alt is held on Mac.
- if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
- showCrossHair(cm);
- }
-
- function showCrossHair(cm) {
- var lineDiv = cm.display.lineDiv;
- addClass(lineDiv, "CodeMirror-crosshair");
-
- function up(e) {
- if (e.keyCode == 18 || !e.altKey) {
- rmClass(lineDiv, "CodeMirror-crosshair");
- off(document, "keyup", up);
- off(document, "mouseover", up);
- }
- }
- on(document, "keyup", up);
- on(document, "mouseover", up);
- }
-
- function onKeyUp(e) {
- if (e.keyCode == 16) this.doc.sel.shift = false;
- signalDOMEvent(this, e);
- }
-
- function onKeyPress(e) {
- var cm = this;
- if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) return;
- var keyCode = e.keyCode, charCode = e.charCode;
- if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return;}
- if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) return;
- var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
- if (handleCharBinding(cm, e, ch)) return;
- cm.display.input.onKeyPress(e);
- }
-
- // FOCUS/BLUR EVENTS
-
- function delayBlurEvent(cm) {
- cm.state.delayingBlurEvent = true;
- setTimeout(function() {
- if (cm.state.delayingBlurEvent) {
- cm.state.delayingBlurEvent = false;
- onBlur(cm);
- }
- }, 100);
- }
-
- function onFocus(cm) {
- if (cm.state.delayingBlurEvent) cm.state.delayingBlurEvent = false;
-
- if (cm.options.readOnly == "nocursor") return;
- if (!cm.state.focused) {
- signal(cm, "focus", cm);
- cm.state.focused = true;
- addClass(cm.display.wrapper, "CodeMirror-focused");
- // This test prevents this from firing when a context
- // menu is closed (since the input reset would kill the
- // select-all detection hack)
- if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
- cm.display.input.reset();
- if (webkit) setTimeout(function() { cm.display.input.reset(true); }, 20); // Issue #1730
- }
- cm.display.input.receivedFocus();
- }
- restartBlink(cm);
- }
- function onBlur(cm) {
- if (cm.state.delayingBlurEvent) return;
-
- if (cm.state.focused) {
- signal(cm, "blur", cm);
- cm.state.focused = false;
- rmClass(cm.display.wrapper, "CodeMirror-focused");
- }
- clearInterval(cm.display.blinker);
- setTimeout(function() {if (!cm.state.focused) cm.display.shift = false;}, 150);
- }
-
- // CONTEXT MENU HANDLING
-
- // To make the context menu work, we need to briefly unhide the
- // textarea (making it as unobtrusive as possible) to let the
- // right-click take effect on it.
- function onContextMenu(cm, e) {
- if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) return;
- if (signalDOMEvent(cm, e, "contextmenu")) return;
- cm.display.input.onContextMenu(e);
- }
-
- function contextMenuInGutter(cm, e) {
- if (!hasHandler(cm, "gutterContextMenu")) return false;
- return gutterEvent(cm, e, "gutterContextMenu", false, signal);
- }
-
- // UPDATING
-
- // Compute the position of the end of a change (its 'to' property
- // refers to the pre-change end).
- var changeEnd = CodeMirror.changeEnd = function(change) {
- if (!change.text) return change.to;
- return Pos(change.from.line + change.text.length - 1,
- lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0));
- };
-
- // Adjust a position to refer to the post-change position of the
- // same text, or the end of the change if the change covers it.
- function adjustForChange(pos, change) {
- if (cmp(pos, change.from) < 0) return pos;
- if (cmp(pos, change.to) <= 0) return changeEnd(change);
-
- var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
- if (pos.line == change.to.line) ch += changeEnd(change).ch - change.to.ch;
- return Pos(line, ch);
- }
-
- function computeSelAfterChange(doc, change) {
- var out = [];
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- var range = doc.sel.ranges[i];
- out.push(new Range(adjustForChange(range.anchor, change),
- adjustForChange(range.head, change)));
- }
- return normalizeSelection(out, doc.sel.primIndex);
- }
-
- function offsetPos(pos, old, nw) {
- if (pos.line == old.line)
- return Pos(nw.line, pos.ch - old.ch + nw.ch);
- else
- return Pos(nw.line + (pos.line - old.line), pos.ch);
- }
-
- // Used by replaceSelections to allow moving the selection to the
- // start or around the replaced test. Hint may be "start" or "around".
- function computeReplacedSel(doc, changes, hint) {
- var out = [];
- var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
- for (var i = 0; i < changes.length; i++) {
- var change = changes[i];
- var from = offsetPos(change.from, oldPrev, newPrev);
- var to = offsetPos(changeEnd(change), oldPrev, newPrev);
- oldPrev = change.to;
- newPrev = to;
- if (hint == "around") {
- var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
- out[i] = new Range(inv ? to : from, inv ? from : to);
- } else {
- out[i] = new Range(from, from);
- }
- }
- return new Selection(out, doc.sel.primIndex);
- }
-
- // Allow "beforeChange" event handlers to influence a change
- function filterChange(doc, change, update) {
- var obj = {
- canceled: false,
- from: change.from,
- to: change.to,
- text: change.text,
- origin: change.origin,
- cancel: function() { this.canceled = true; }
- };
- if (update) obj.update = function(from, to, text, origin) {
- if (from) this.from = clipPos(doc, from);
- if (to) this.to = clipPos(doc, to);
- if (text) this.text = text;
- if (origin !== undefined) this.origin = origin;
- };
- signal(doc, "beforeChange", doc, obj);
- if (doc.cm) signal(doc.cm, "beforeChange", doc.cm, obj);
-
- if (obj.canceled) return null;
- return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin};
- }
-
- // Apply a change to a document, and add it to the document's
- // history, and propagating it to all linked documents.
- function makeChange(doc, change, ignoreReadOnly) {
- if (doc.cm) {
- if (!doc.cm.curOp) return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly);
- if (doc.cm.state.suppressEdits) return;
- }
-
- if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
- change = filterChange(doc, change, true);
- if (!change) return;
- }
-
- // Possibly split or suppress the update based on the presence
- // of read-only spans in its range.
- var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
- if (split) {
- for (var i = split.length - 1; i >= 0; --i)
- makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text});
- } else {
- makeChangeInner(doc, change);
- }
- }
-
- function makeChangeInner(doc, change) {
- if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) return;
- var selAfter = computeSelAfterChange(doc, change);
- addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
-
- makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
- var rebased = [];
-
- linkedDocs(doc, function(doc, sharedHist) {
- if (!sharedHist && indexOf(rebased, doc.history) == -1) {
- rebaseHist(doc.history, change);
- rebased.push(doc.history);
- }
- makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
- });
- }
-
- // Revert a change stored in a document's history.
- function makeChangeFromHistory(doc, type, allowSelectionOnly) {
- if (doc.cm && doc.cm.state.suppressEdits) return;
-
- var hist = doc.history, event, selAfter = doc.sel;
- var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
-
- // Verify that there is a useable event (so that ctrl-z won't
- // needlessly clear selection events)
- for (var i = 0; i < source.length; i++) {
- event = source[i];
- if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
- break;
- }
- if (i == source.length) return;
- hist.lastOrigin = hist.lastSelOrigin = null;
-
- for (;;) {
- event = source.pop();
- if (event.ranges) {
- pushSelectionToHistory(event, dest);
- if (allowSelectionOnly && !event.equals(doc.sel)) {
- setSelection(doc, event, {clearRedo: false});
- return;
- }
- selAfter = event;
- }
- else break;
- }
-
- // Build up a reverse change object to add to the opposite history
- // stack (redo when undoing, and vice versa).
- var antiChanges = [];
- pushSelectionToHistory(selAfter, dest);
- dest.push({changes: antiChanges, generation: hist.generation});
- hist.generation = event.generation || ++hist.maxGeneration;
-
- var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
-
- for (var i = event.changes.length - 1; i >= 0; --i) {
- var change = event.changes[i];
- change.origin = type;
- if (filter && !filterChange(doc, change, false)) {
- source.length = 0;
- return;
- }
-
- antiChanges.push(historyChangeFromChange(doc, change));
-
- var after = i ? computeSelAfterChange(doc, change) : lst(source);
- makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
- if (!i && doc.cm) doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)});
- var rebased = [];
-
- // Propagate to the linked documents
- linkedDocs(doc, function(doc, sharedHist) {
- if (!sharedHist && indexOf(rebased, doc.history) == -1) {
- rebaseHist(doc.history, change);
- rebased.push(doc.history);
- }
- makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
- });
- }
- }
-
- // Sub-views need their line numbers shifted when text is added
- // above or below them in the parent document.
- function shiftDoc(doc, distance) {
- if (distance == 0) return;
- doc.first += distance;
- doc.sel = new Selection(map(doc.sel.ranges, function(range) {
- return new Range(Pos(range.anchor.line + distance, range.anchor.ch),
- Pos(range.head.line + distance, range.head.ch));
- }), doc.sel.primIndex);
- if (doc.cm) {
- regChange(doc.cm, doc.first, doc.first - distance, distance);
- for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
- regLineChange(doc.cm, l, "gutter");
- }
- }
-
- // More lower-level change function, handling only a single document
- // (not linked ones).
- function makeChangeSingleDoc(doc, change, selAfter, spans) {
- if (doc.cm && !doc.cm.curOp)
- return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans);
-
- if (change.to.line < doc.first) {
- shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
- return;
- }
- if (change.from.line > doc.lastLine()) return;
-
- // Clip the change to the size of this doc
- if (change.from.line < doc.first) {
- var shift = change.text.length - 1 - (doc.first - change.from.line);
- shiftDoc(doc, shift);
- change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
- text: [lst(change.text)], origin: change.origin};
- }
- var last = doc.lastLine();
- if (change.to.line > last) {
- change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
- text: [change.text[0]], origin: change.origin};
- }
-
- change.removed = getBetween(doc, change.from, change.to);
-
- if (!selAfter) selAfter = computeSelAfterChange(doc, change);
- if (doc.cm) makeChangeSingleDocInEditor(doc.cm, change, spans);
- else updateDoc(doc, change, spans);
- setSelectionNoUndo(doc, selAfter, sel_dontScroll);
- }
-
- // Handle the interaction of a change to a document with the editor
- // that this document is part of.
- function makeChangeSingleDocInEditor(cm, change, spans) {
- var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
-
- var recomputeMaxLength = false, checkWidthStart = from.line;
- if (!cm.options.lineWrapping) {
- checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
- doc.iter(checkWidthStart, to.line + 1, function(line) {
- if (line == display.maxLine) {
- recomputeMaxLength = true;
- return true;
- }
- });
- }
-
- if (doc.sel.contains(change.from, change.to) > -1)
- signalCursorActivity(cm);
-
- updateDoc(doc, change, spans, estimateHeight(cm));
-
- if (!cm.options.lineWrapping) {
- doc.iter(checkWidthStart, from.line + change.text.length, function(line) {
- var len = lineLength(line);
- if (len > display.maxLineLength) {
- display.maxLine = line;
- display.maxLineLength = len;
- display.maxLineChanged = true;
- recomputeMaxLength = false;
- }
- });
- if (recomputeMaxLength) cm.curOp.updateMaxLine = true;
- }
-
- // Adjust frontier, schedule worker
- doc.frontier = Math.min(doc.frontier, from.line);
- startWorker(cm, 400);
-
- var lendiff = change.text.length - (to.line - from.line) - 1;
- // Remember that these lines changed, for updating the display
- if (change.full)
- regChange(cm);
- else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
- regLineChange(cm, from.line, "text");
- else
- regChange(cm, from.line, to.line + 1, lendiff);
-
- var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
- if (changeHandler || changesHandler) {
- var obj = {
- from: from, to: to,
- text: change.text,
- removed: change.removed,
- origin: change.origin
- };
- if (changeHandler) signalLater(cm, "change", cm, obj);
- if (changesHandler) (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj);
- }
- cm.display.selForContextMenu = null;
- }
-
- function replaceRange(doc, code, from, to, origin) {
- if (!to) to = from;
- if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
- if (typeof code == "string") code = doc.splitLines(code);
- makeChange(doc, {from: from, to: to, text: code, origin: origin});
- }
-
- // SCROLLING THINGS INTO VIEW
-
- // If an editor sits on the top or bottom of the window, partially
- // scrolled out of view, this ensures that the cursor is visible.
- function maybeScrollWindow(cm, coords) {
- if (signalDOMEvent(cm, "scrollCursorIntoView")) return;
-
- var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
- if (coords.top + box.top < 0) doScroll = true;
- else if (coords.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) doScroll = false;
- if (doScroll != null && !phantom) {
- var scrollNode = elt("div", "\u200b", null, "position: absolute; top: " +
- (coords.top - display.viewOffset - paddingTop(cm.display)) + "px; height: " +
- (coords.bottom - coords.top + scrollGap(cm) + display.barHeight) + "px; left: " +
- coords.left + "px; width: 2px;");
- cm.display.lineSpace.appendChild(scrollNode);
- scrollNode.scrollIntoView(doScroll);
- cm.display.lineSpace.removeChild(scrollNode);
- }
- }
-
- // Scroll a given position into view (immediately), verifying that
- // it actually became visible (as line heights are accurately
- // measured, the position of something may 'drift' during drawing).
- function scrollPosIntoView(cm, pos, end, margin) {
- if (margin == null) margin = 0;
- for (var limit = 0; limit < 5; limit++) {
- var changed = false, coords = cursorCoords(cm, pos);
- var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
- var scrollPos = calculateScrollPos(cm, Math.min(coords.left, endCoords.left),
- Math.min(coords.top, endCoords.top) - margin,
- Math.max(coords.left, endCoords.left),
- Math.max(coords.bottom, endCoords.bottom) + margin);
- var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
- if (scrollPos.scrollTop != null) {
- setScrollTop(cm, scrollPos.scrollTop);
- if (Math.abs(cm.doc.scrollTop - startTop) > 1) changed = true;
- }
- if (scrollPos.scrollLeft != null) {
- setScrollLeft(cm, scrollPos.scrollLeft);
- if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) changed = true;
- }
- if (!changed) break;
- }
- return coords;
- }
-
- // Scroll a given set of coordinates into view (immediately).
- function scrollIntoView(cm, x1, y1, x2, y2) {
- var scrollPos = calculateScrollPos(cm, x1, y1, x2, y2);
- if (scrollPos.scrollTop != null) setScrollTop(cm, scrollPos.scrollTop);
- if (scrollPos.scrollLeft != null) setScrollLeft(cm, scrollPos.scrollLeft);
- }
-
- // Calculate a new scroll position needed to scroll the given
- // rectangle into view. Returns an object with scrollTop and
- // scrollLeft properties. When these are undefined, the
- // vertical/horizontal position does not need to be adjusted.
- function calculateScrollPos(cm, x1, y1, x2, y2) {
- var display = cm.display, snapMargin = textHeight(cm.display);
- if (y1 < 0) y1 = 0;
- var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
- var screen = displayHeight(cm), result = {};
- if (y2 - y1 > screen) y2 = y1 + screen;
- var docBottom = cm.doc.height + paddingVert(display);
- var atTop = y1 < snapMargin, atBottom = y2 > docBottom - snapMargin;
- if (y1 < screentop) {
- result.scrollTop = atTop ? 0 : y1;
- } else if (y2 > screentop + screen) {
- var newTop = Math.min(y1, (atBottom ? docBottom : y2) - screen);
- if (newTop != screentop) result.scrollTop = newTop;
- }
-
- var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
- var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
- var tooWide = x2 - x1 > screenw;
- if (tooWide) x2 = x1 + screenw;
- if (x1 < 10)
- result.scrollLeft = 0;
- else if (x1 < screenleft)
- result.scrollLeft = Math.max(0, x1 - (tooWide ? 0 : 10));
- else if (x2 > screenw + screenleft - 3)
- result.scrollLeft = x2 + (tooWide ? 0 : 10) - screenw;
- return result;
- }
-
- // Store a relative adjustment to the scroll position in the current
- // operation (to be applied when the operation finishes).
- function addToScrollPos(cm, left, top) {
- if (left != null || top != null) resolveScrollToPos(cm);
- if (left != null)
- cm.curOp.scrollLeft = (cm.curOp.scrollLeft == null ? cm.doc.scrollLeft : cm.curOp.scrollLeft) + left;
- if (top != null)
- cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
- }
-
- // Make sure that at the end of the operation the current cursor is
- // shown.
- function ensureCursorVisible(cm) {
- resolveScrollToPos(cm);
- var cur = cm.getCursor(), from = cur, to = cur;
- if (!cm.options.lineWrapping) {
- from = cur.ch ? Pos(cur.line, cur.ch - 1) : cur;
- to = Pos(cur.line, cur.ch + 1);
- }
- cm.curOp.scrollToPos = {from: from, to: to, margin: cm.options.cursorScrollMargin, isCursor: true};
- }
-
- // When an operation has its scrollToPos property set, and another
- // scroll action is applied before the end of the operation, this
- // 'simulates' scrolling that position into view in a cheap way, so
- // that the effect of intermediate scroll commands is not ignored.
- function resolveScrollToPos(cm) {
- var range = cm.curOp.scrollToPos;
- if (range) {
- cm.curOp.scrollToPos = null;
- var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
- var sPos = calculateScrollPos(cm, Math.min(from.left, to.left),
- Math.min(from.top, to.top) - range.margin,
- Math.max(from.right, to.right),
- Math.max(from.bottom, to.bottom) + range.margin);
- cm.scrollTo(sPos.scrollLeft, sPos.scrollTop);
- }
- }
-
- // API UTILITIES
-
- // Indent the given line. The how parameter can be "smart",
- // "add"/null, "subtract", or "prev". When aggressive is false
- // (typically set to true for forced single-line indents), empty
- // lines are not indented, and places where the mode returns Pass
- // are left alone.
- function indentLine(cm, n, how, aggressive) {
- var doc = cm.doc, state;
- if (how == null) how = "add";
- if (how == "smart") {
- // Fall back to "prev" when the mode doesn't have an indentation
- // method.
- if (!doc.mode.indent) how = "prev";
- else state = getStateBefore(cm, n);
- }
-
- var tabSize = cm.options.tabSize;
- var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
- if (line.stateAfter) line.stateAfter = null;
- var curSpaceString = line.text.match(/^\s*/)[0], indentation;
- if (!aggressive && !/\S/.test(line.text)) {
- indentation = 0;
- how = "not";
- } else if (how == "smart") {
- indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
- if (indentation == Pass || indentation > 150) {
- if (!aggressive) return;
- how = "prev";
- }
- }
- if (how == "prev") {
- if (n > doc.first) indentation = countColumn(getLine(doc, n-1).text, null, tabSize);
- else indentation = 0;
- } else if (how == "add") {
- indentation = curSpace + cm.options.indentUnit;
- } else if (how == "subtract") {
- indentation = curSpace - cm.options.indentUnit;
- } else if (typeof how == "number") {
- indentation = curSpace + how;
- }
- indentation = Math.max(0, indentation);
-
- var indentString = "", pos = 0;
- if (cm.options.indentWithTabs)
- for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";}
- if (pos < indentation) indentString += spaceStr(indentation - pos);
-
- if (indentString != curSpaceString) {
- replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
- line.stateAfter = null;
- return true;
- } else {
- // Ensure that, if the cursor was in the whitespace at the start
- // of the line, it is moved to the end of that space.
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- var range = doc.sel.ranges[i];
- if (range.head.line == n && range.head.ch < curSpaceString.length) {
- var pos = Pos(n, curSpaceString.length);
- replaceOneSelection(doc, i, new Range(pos, pos));
- break;
- }
- }
- }
- }
-
- // Utility for applying a change to a line by handle or number,
- // returning the number and optionally registering the line as
- // changed.
- function changeLine(doc, handle, changeType, op) {
- var no = handle, line = handle;
- if (typeof handle == "number") line = getLine(doc, clipLine(doc, handle));
- else no = lineNo(handle);
- if (no == null) return null;
- if (op(line, no) && doc.cm) regLineChange(doc.cm, no, changeType);
- return line;
- }
-
- // Helper for deleting text near the selection(s), used to implement
- // backspace, delete, and similar functionality.
- function deleteNearSelection(cm, compute) {
- var ranges = cm.doc.sel.ranges, kill = [];
- // Build up a set of ranges to kill first, merging overlapping
- // ranges.
- for (var i = 0; i < ranges.length; i++) {
- var toKill = compute(ranges[i]);
- while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
- var replaced = kill.pop();
- if (cmp(replaced.from, toKill.from) < 0) {
- toKill.from = replaced.from;
- break;
- }
- }
- kill.push(toKill);
- }
- // Next, remove those actual ranges.
- runInOp(cm, function() {
- for (var i = kill.length - 1; i >= 0; i--)
- replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete");
- ensureCursorVisible(cm);
- });
- }
-
- // Used for horizontal relative motion. Dir is -1 or 1 (left or
- // right), unit can be "char", "column" (like char, but doesn't
- // cross line boundaries), "word" (across next word), or "group" (to
- // the start of next group of word or non-word-non-whitespace
- // chars). The visually param controls whether, in right-to-left
- // text, direction 1 means to move towards the next index in the
- // string, or towards the character to the right of the current
- // position. The resulting position will have a hitSide=true
- // property if it reached the end of the document.
- function findPosH(doc, pos, dir, unit, visually) {
- var line = pos.line, ch = pos.ch, origDir = dir;
- var lineObj = getLine(doc, line);
- var possible = true;
- function findNextLine() {
- var l = line + dir;
- if (l < doc.first || l >= doc.first + doc.size) return (possible = false);
- line = l;
- return lineObj = getLine(doc, l);
- }
- function moveOnce(boundToLine) {
- var next = (visually ? moveVisually : moveLogically)(lineObj, ch, dir, true);
- if (next == null) {
- if (!boundToLine && findNextLine()) {
- if (visually) ch = (dir < 0 ? lineRight : lineLeft)(lineObj);
- else ch = dir < 0 ? lineObj.text.length : 0;
- } else return (possible = false);
- } else ch = next;
- return true;
- }
-
- if (unit == "char") moveOnce();
- else if (unit == "column") moveOnce(true);
- else if (unit == "word" || unit == "group") {
- var sawType = null, group = unit == "group";
- var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
- for (var first = true;; first = false) {
- if (dir < 0 && !moveOnce(!first)) break;
- var cur = lineObj.text.charAt(ch) || "\n";
- var type = isWordChar(cur, helper) ? "w"
- : group && cur == "\n" ? "n"
- : !group || /\s/.test(cur) ? null
- : "p";
- if (group && !first && !type) type = "s";
- if (sawType && sawType != type) {
- if (dir < 0) {dir = 1; moveOnce();}
- break;
- }
-
- if (type) sawType = type;
- if (dir > 0 && !moveOnce(!first)) break;
- }
- }
- var result = skipAtomic(doc, Pos(line, ch), origDir, true);
- if (!possible) result.hitSide = true;
- return result;
- }
-
- // For relative vertical movement. Dir may be -1 or 1. Unit can be
- // "page" or "line". The resulting position will have a hitSide=true
- // property if it reached the end of the document.
- function findPosV(cm, pos, dir, unit) {
- var doc = cm.doc, x = pos.left, y;
- if (unit == "page") {
- var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
- y = pos.top + dir * (pageSize - (dir < 0 ? 1.5 : .5) * textHeight(cm.display));
- } else if (unit == "line") {
- y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
- }
- for (;;) {
- var target = coordsChar(cm, x, y);
- if (!target.outside) break;
- if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break; }
- y += dir * 5;
- }
- return target;
- }
-
- // EDITOR METHODS
-
- // The publicly visible API. Note that methodOp(f) means
- // 'wrap f in an operation, performed on its `this` parameter'.
-
- // This is not the complete set of editor methods. Most of the
- // methods defined on the Doc type are also injected into
- // CodeMirror.prototype, for backwards compatibility and
- // convenience.
-
- CodeMirror.prototype = {
- constructor: CodeMirror,
- focus: function(){window.focus(); this.display.input.focus();},
-
- setOption: function(option, value) {
- var options = this.options, old = options[option];
- if (options[option] == value && option != "mode") return;
- options[option] = value;
- if (optionHandlers.hasOwnProperty(option))
- operation(this, optionHandlers[option])(this, value, old);
- },
-
- getOption: function(option) {return this.options[option];},
- getDoc: function() {return this.doc;},
-
- addKeyMap: function(map, bottom) {
- this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
- },
- removeKeyMap: function(map) {
- var maps = this.state.keyMaps;
- for (var i = 0; i < maps.length; ++i)
- if (maps[i] == map || maps[i].name == map) {
- maps.splice(i, 1);
- return true;
- }
- },
-
- addOverlay: methodOp(function(spec, options) {
- var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
- if (mode.startState) throw new Error("Overlays may not be stateful.");
- this.state.overlays.push({mode: mode, modeSpec: spec, opaque: options && options.opaque});
- this.state.modeGen++;
- regChange(this);
- }),
- removeOverlay: methodOp(function(spec) {
- var overlays = this.state.overlays;
- for (var i = 0; i < overlays.length; ++i) {
- var cur = overlays[i].modeSpec;
- if (cur == spec || typeof spec == "string" && cur.name == spec) {
- overlays.splice(i, 1);
- this.state.modeGen++;
- regChange(this);
- return;
- }
- }
- }),
-
- indentLine: methodOp(function(n, dir, aggressive) {
- if (typeof dir != "string" && typeof dir != "number") {
- if (dir == null) dir = this.options.smartIndent ? "smart" : "prev";
- else dir = dir ? "add" : "subtract";
- }
- if (isLine(this.doc, n)) indentLine(this, n, dir, aggressive);
- }),
- indentSelection: methodOp(function(how) {
- var ranges = this.doc.sel.ranges, end = -1;
- for (var i = 0; i < ranges.length; i++) {
- var range = ranges[i];
- if (!range.empty()) {
- var from = range.from(), to = range.to();
- var start = Math.max(end, from.line);
- end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
- for (var j = start; j < end; ++j)
- indentLine(this, j, how);
- var newRanges = this.doc.sel.ranges;
- if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
- replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll);
- } else if (range.head.line > end) {
- indentLine(this, range.head.line, how, true);
- end = range.head.line;
- if (i == this.doc.sel.primIndex) ensureCursorVisible(this);
- }
- }
- }),
-
- // Fetch the parser token for a given character. Useful for hacks
- // that want to inspect the mode state (say, for completion).
- getTokenAt: function(pos, precise) {
- return takeToken(this, pos, precise);
- },
-
- getLineTokens: function(line, precise) {
- return takeToken(this, Pos(line), precise, true);
- },
-
- getTokenTypeAt: function(pos) {
- pos = clipPos(this.doc, pos);
- var styles = getLineStyles(this, getLine(this.doc, pos.line));
- var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
- var type;
- if (ch == 0) type = styles[2];
- else for (;;) {
- var mid = (before + after) >> 1;
- if ((mid ? styles[mid * 2 - 1] : 0) >= ch) after = mid;
- else if (styles[mid * 2 + 1] < ch) before = mid + 1;
- else { type = styles[mid * 2 + 2]; break; }
- }
- var cut = type ? type.indexOf("cm-overlay ") : -1;
- return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1);
- },
-
- getModeAt: function(pos) {
- var mode = this.doc.mode;
- if (!mode.innerMode) return mode;
- return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode;
- },
-
- getHelper: function(pos, type) {
- return this.getHelpers(pos, type)[0];
- },
-
- getHelpers: function(pos, type) {
- var found = [];
- if (!helpers.hasOwnProperty(type)) return found;
- var help = helpers[type], mode = this.getModeAt(pos);
- if (typeof mode[type] == "string") {
- if (help[mode[type]]) found.push(help[mode[type]]);
- } else if (mode[type]) {
- for (var i = 0; i < mode[type].length; i++) {
- var val = help[mode[type][i]];
- if (val) found.push(val);
- }
- } else if (mode.helperType && help[mode.helperType]) {
- found.push(help[mode.helperType]);
- } else if (help[mode.name]) {
- found.push(help[mode.name]);
- }
- for (var i = 0; i < help._global.length; i++) {
- var cur = help._global[i];
- if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
- found.push(cur.val);
- }
- return found;
- },
-
- getStateAfter: function(line, precise) {
- var doc = this.doc;
- line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
- return getStateBefore(this, line + 1, precise);
- },
-
- cursorCoords: function(start, mode) {
- var pos, range = this.doc.sel.primary();
- if (start == null) pos = range.head;
- else if (typeof start == "object") pos = clipPos(this.doc, start);
- else pos = start ? range.from() : range.to();
- return cursorCoords(this, pos, mode || "page");
- },
-
- charCoords: function(pos, mode) {
- return charCoords(this, clipPos(this.doc, pos), mode || "page");
- },
-
- coordsChar: function(coords, mode) {
- coords = fromCoordSystem(this, coords, mode || "page");
- return coordsChar(this, coords.left, coords.top);
- },
-
- lineAtHeight: function(height, mode) {
- height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
- return lineAtHeight(this.doc, height + this.display.viewOffset);
- },
- heightAtLine: function(line, mode) {
- var end = false, lineObj;
- if (typeof line == "number") {
- var last = this.doc.first + this.doc.size - 1;
- if (line < this.doc.first) line = this.doc.first;
- else if (line > last) { line = last; end = true; }
- lineObj = getLine(this.doc, line);
- } else {
- lineObj = line;
- }
- return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page").top +
- (end ? this.doc.height - heightAtLine(lineObj) : 0);
- },
-
- defaultTextHeight: function() { return textHeight(this.display); },
- defaultCharWidth: function() { return charWidth(this.display); },
-
- setGutterMarker: methodOp(function(line, gutterID, value) {
- return changeLine(this.doc, line, "gutter", function(line) {
- var markers = line.gutterMarkers || (line.gutterMarkers = {});
- markers[gutterID] = value;
- if (!value && isEmpty(markers)) line.gutterMarkers = null;
- return true;
- });
- }),
-
- clearGutter: methodOp(function(gutterID) {
- var cm = this, doc = cm.doc, i = doc.first;
- doc.iter(function(line) {
- if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
- line.gutterMarkers[gutterID] = null;
- regLineChange(cm, i, "gutter");
- if (isEmpty(line.gutterMarkers)) line.gutterMarkers = null;
- }
- ++i;
- });
- }),
-
- lineInfo: function(line) {
- if (typeof line == "number") {
- if (!isLine(this.doc, line)) return null;
- var n = line;
- line = getLine(this.doc, line);
- if (!line) return null;
- } else {
- var n = lineNo(line);
- if (n == null) return null;
- }
- return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
- textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
- widgets: line.widgets};
- },
-
- getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo};},
-
- addWidget: function(pos, node, scroll, vert, horiz) {
- var display = this.display;
- pos = cursorCoords(this, clipPos(this.doc, pos));
- var top = pos.bottom, left = pos.left;
- node.style.position = "absolute";
- node.setAttribute("cm-ignore-events", "true");
- this.display.input.setUneditable(node);
- display.sizer.appendChild(node);
- if (vert == "over") {
- top = pos.top;
- } else if (vert == "above" || vert == "near") {
- var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
- hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
- // Default to positioning above (if specified and possible); otherwise default to positioning below
- if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
- top = pos.top - node.offsetHeight;
- else if (pos.bottom + node.offsetHeight <= vspace)
- top = pos.bottom;
- if (left + node.offsetWidth > hspace)
- left = hspace - node.offsetWidth;
- }
- node.style.top = top + "px";
- node.style.left = node.style.right = "";
- if (horiz == "right") {
- left = display.sizer.clientWidth - node.offsetWidth;
- node.style.right = "0px";
- } else {
- if (horiz == "left") left = 0;
- else if (horiz == "middle") left = (display.sizer.clientWidth - node.offsetWidth) / 2;
- node.style.left = left + "px";
- }
- if (scroll)
- scrollIntoView(this, left, top, left + node.offsetWidth, top + node.offsetHeight);
- },
-
- triggerOnKeyDown: methodOp(onKeyDown),
- triggerOnKeyPress: methodOp(onKeyPress),
- triggerOnKeyUp: onKeyUp,
-
- execCommand: function(cmd) {
- if (commands.hasOwnProperty(cmd))
- return commands[cmd].call(null, this);
- },
-
- triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
-
- findPosH: function(from, amount, unit, visually) {
- var dir = 1;
- if (amount < 0) { dir = -1; amount = -amount; }
- for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
- cur = findPosH(this.doc, cur, dir, unit, visually);
- if (cur.hitSide) break;
- }
- return cur;
- },
-
- moveH: methodOp(function(dir, unit) {
- var cm = this;
- cm.extendSelectionsBy(function(range) {
- if (cm.display.shift || cm.doc.extend || range.empty())
- return findPosH(cm.doc, range.head, dir, unit, cm.options.rtlMoveVisually);
- else
- return dir < 0 ? range.from() : range.to();
- }, sel_move);
- }),
-
- deleteH: methodOp(function(dir, unit) {
- var sel = this.doc.sel, doc = this.doc;
- if (sel.somethingSelected())
- doc.replaceSelection("", null, "+delete");
- else
- deleteNearSelection(this, function(range) {
- var other = findPosH(doc, range.head, dir, unit, false);
- return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other};
- });
- }),
-
- findPosV: function(from, amount, unit, goalColumn) {
- var dir = 1, x = goalColumn;
- if (amount < 0) { dir = -1; amount = -amount; }
- for (var i = 0, cur = clipPos(this.doc, from); i < amount; ++i) {
- var coords = cursorCoords(this, cur, "div");
- if (x == null) x = coords.left;
- else coords.left = x;
- cur = findPosV(this, coords, dir, unit);
- if (cur.hitSide) break;
- }
- return cur;
- },
-
- moveV: methodOp(function(dir, unit) {
- var cm = this, doc = this.doc, goals = [];
- var collapse = !cm.display.shift && !doc.extend && doc.sel.somethingSelected();
- doc.extendSelectionsBy(function(range) {
- if (collapse)
- return dir < 0 ? range.from() : range.to();
- var headPos = cursorCoords(cm, range.head, "div");
- if (range.goalColumn != null) headPos.left = range.goalColumn;
- goals.push(headPos.left);
- var pos = findPosV(cm, headPos, dir, unit);
- if (unit == "page" && range == doc.sel.primary())
- addToScrollPos(cm, null, charCoords(cm, pos, "div").top - headPos.top);
- return pos;
- }, sel_move);
- if (goals.length) for (var i = 0; i < doc.sel.ranges.length; i++)
- doc.sel.ranges[i].goalColumn = goals[i];
- }),
-
- // Find the word at the given position (as returned by coordsChar).
- findWordAt: function(pos) {
- var doc = this.doc, line = getLine(doc, pos.line).text;
- var start = pos.ch, end = pos.ch;
- if (line) {
- var helper = this.getHelper(pos, "wordChars");
- if ((pos.xRel < 0 || end == line.length) && start) --start; else ++end;
- var startChar = line.charAt(start);
- var check = isWordChar(startChar, helper)
- ? function(ch) { return isWordChar(ch, helper); }
- : /\s/.test(startChar) ? function(ch) {return /\s/.test(ch);}
- : function(ch) {return !/\s/.test(ch) && !isWordChar(ch);};
- while (start > 0 && check(line.charAt(start - 1))) --start;
- while (end < line.length && check(line.charAt(end))) ++end;
- }
- return new Range(Pos(pos.line, start), Pos(pos.line, end));
- },
-
- toggleOverwrite: function(value) {
- if (value != null && value == this.state.overwrite) return;
- if (this.state.overwrite = !this.state.overwrite)
- addClass(this.display.cursorDiv, "CodeMirror-overwrite");
- else
- rmClass(this.display.cursorDiv, "CodeMirror-overwrite");
-
- signal(this, "overwriteToggle", this, this.state.overwrite);
- },
- hasFocus: function() { return this.display.input.getField() == activeElt(); },
-
- scrollTo: methodOp(function(x, y) {
- if (x != null || y != null) resolveScrollToPos(this);
- if (x != null) this.curOp.scrollLeft = x;
- if (y != null) this.curOp.scrollTop = y;
- }),
- getScrollInfo: function() {
- var scroller = this.display.scroller;
- return {left: scroller.scrollLeft, top: scroller.scrollTop,
- height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
- width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
- clientHeight: displayHeight(this), clientWidth: displayWidth(this)};
- },
-
- scrollIntoView: methodOp(function(range, margin) {
- if (range == null) {
- range = {from: this.doc.sel.primary().head, to: null};
- if (margin == null) margin = this.options.cursorScrollMargin;
- } else if (typeof range == "number") {
- range = {from: Pos(range, 0), to: null};
- } else if (range.from == null) {
- range = {from: range, to: null};
- }
- if (!range.to) range.to = range.from;
- range.margin = margin || 0;
-
- if (range.from.line != null) {
- resolveScrollToPos(this);
- this.curOp.scrollToPos = range;
- } else {
- var sPos = calculateScrollPos(this, Math.min(range.from.left, range.to.left),
- Math.min(range.from.top, range.to.top) - range.margin,
- Math.max(range.from.right, range.to.right),
- Math.max(range.from.bottom, range.to.bottom) + range.margin);
- this.scrollTo(sPos.scrollLeft, sPos.scrollTop);
- }
- }),
-
- setSize: methodOp(function(width, height) {
- var cm = this;
- function interpret(val) {
- return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val;
- }
- if (width != null) cm.display.wrapper.style.width = interpret(width);
- if (height != null) cm.display.wrapper.style.height = interpret(height);
- if (cm.options.lineWrapping) clearLineMeasurementCache(this);
- var lineNo = cm.display.viewFrom;
- cm.doc.iter(lineNo, cm.display.viewTo, function(line) {
- if (line.widgets) for (var i = 0; i < line.widgets.length; i++)
- if (line.widgets[i].noHScroll) { regLineChange(cm, lineNo, "widget"); break; }
- ++lineNo;
- });
- cm.curOp.forceUpdate = true;
- signal(cm, "refresh", this);
- }),
-
- operation: function(f){return runInOp(this, f);},
-
- refresh: methodOp(function() {
- var oldHeight = this.display.cachedTextHeight;
- regChange(this);
- this.curOp.forceUpdate = true;
- clearCaches(this);
- this.scrollTo(this.doc.scrollLeft, this.doc.scrollTop);
- updateGutterSpace(this);
- if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
- estimateLineHeights(this);
- signal(this, "refresh", this);
- }),
-
- swapDoc: methodOp(function(doc) {
- var old = this.doc;
- old.cm = null;
- attachDoc(this, doc);
- clearCaches(this);
- this.display.input.reset();
- this.scrollTo(doc.scrollLeft, doc.scrollTop);
- this.curOp.forceScroll = true;
- signalLater(this, "swapDoc", this, old);
- return old;
- }),
-
- getInputField: function(){return this.display.input.getField();},
- getWrapperElement: function(){return this.display.wrapper;},
- getScrollerElement: function(){return this.display.scroller;},
- getGutterElement: function(){return this.display.gutters;}
- };
- eventMixin(CodeMirror);
-
- // OPTION DEFAULTS
-
- // The default configuration options.
- var defaults = CodeMirror.defaults = {};
- // Functions to run when options are changed.
- var optionHandlers = CodeMirror.optionHandlers = {};
-
- function option(name, deflt, handle, notOnInit) {
- CodeMirror.defaults[name] = deflt;
- if (handle) optionHandlers[name] =
- notOnInit ? function(cm, val, old) {if (old != Init) handle(cm, val, old);} : handle;
- }
-
- // Passed to option handlers when there is no old value.
- var Init = CodeMirror.Init = {toString: function(){return "CodeMirror.Init";}};
-
- // These two are, on init, called from the constructor because they
- // have to be initialized before the editor can start at all.
- option("value", "", function(cm, val) {
- cm.setValue(val);
- }, true);
- option("mode", null, function(cm, val) {
- cm.doc.modeOption = val;
- loadMode(cm);
- }, true);
-
- option("indentUnit", 2, loadMode, true);
- option("indentWithTabs", false);
- option("smartIndent", true);
- option("tabSize", 4, function(cm) {
- resetModeState(cm);
- clearCaches(cm);
- regChange(cm);
- }, true);
- option("lineSeparator", null, function(cm, val) {
- cm.doc.lineSep = val;
- if (!val) return;
- var newBreaks = [], lineNo = cm.doc.first;
- cm.doc.iter(function(line) {
- for (var pos = 0;;) {
- var found = line.text.indexOf(val, pos);
- if (found == -1) break;
- pos = found + val.length;
- newBreaks.push(Pos(lineNo, found));
- }
- lineNo++;
- });
- for (var i = newBreaks.length - 1; i >= 0; i--)
- replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length))
- });
- option("specialChars", /[\t\u0000-\u0019\u00ad\u200b-\u200f\u2028\u2029\ufeff]/g, function(cm, val, old) {
- cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
- if (old != CodeMirror.Init) cm.refresh();
- });
- option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function(cm) {cm.refresh();}, true);
- option("electricChars", true);
- option("inputStyle", mobile ? "contenteditable" : "textarea", function() {
- throw new Error("inputStyle can not (yet) be changed in a running editor"); // FIXME
- }, true);
- option("rtlMoveVisually", !windows);
- option("wholeLineUpdateBefore", true);
-
- option("theme", "default", function(cm) {
- themeChanged(cm);
- guttersChanged(cm);
- }, true);
- option("keyMap", "default", function(cm, val, old) {
- var next = getKeyMap(val);
- var prev = old != CodeMirror.Init && getKeyMap(old);
- if (prev && prev.detach) prev.detach(cm, next);
- if (next.attach) next.attach(cm, prev || null);
- });
- option("extraKeys", null);
-
- option("lineWrapping", false, wrappingChanged, true);
- option("gutters", [], function(cm) {
- setGuttersForLineNumbers(cm.options);
- guttersChanged(cm);
- }, true);
- option("fixedGutter", true, function(cm, val) {
- cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
- cm.refresh();
- }, true);
- option("coverGutterNextToScrollbar", false, function(cm) {updateScrollbars(cm);}, true);
- option("scrollbarStyle", "native", function(cm) {
- initScrollbars(cm);
- updateScrollbars(cm);
- cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
- cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
- }, true);
- option("lineNumbers", false, function(cm) {
- setGuttersForLineNumbers(cm.options);
- guttersChanged(cm);
- }, true);
- option("firstLineNumber", 1, guttersChanged, true);
- option("lineNumberFormatter", function(integer) {return integer;}, guttersChanged, true);
- option("showCursorWhenSelecting", false, updateSelection, true);
-
- option("resetSelectionOnContextMenu", true);
- option("lineWiseCopyCut", true);
-
- option("readOnly", false, function(cm, val) {
- if (val == "nocursor") {
- onBlur(cm);
- cm.display.input.blur();
- cm.display.disabled = true;
- } else {
- cm.display.disabled = false;
- }
- cm.display.input.readOnlyChanged(val)
- });
- option("disableInput", false, function(cm, val) {if (!val) cm.display.input.reset();}, true);
- option("dragDrop", true, dragDropChanged);
- option("allowDropFileTypes", null);
-
- option("cursorBlinkRate", 530);
- option("cursorScrollMargin", 0);
- option("cursorHeight", 1, updateSelection, true);
- option("singleCursorHeightPerLine", true, updateSelection, true);
- option("workTime", 100);
- option("workDelay", 100);
- option("flattenSpans", true, resetModeState, true);
- option("addModeClass", false, resetModeState, true);
- option("pollInterval", 100);
- option("undoDepth", 200, function(cm, val){cm.doc.history.undoDepth = val;});
- option("historyEventDelay", 1250);
- option("viewportMargin", 10, function(cm){cm.refresh();}, true);
- option("maxHighlightLength", 10000, resetModeState, true);
- option("moveInputWithCursor", true, function(cm, val) {
- if (!val) cm.display.input.resetPosition();
- });
-
- option("tabindex", null, function(cm, val) {
- cm.display.input.getField().tabIndex = val || "";
- });
- option("autofocus", null);
-
- // MODE DEFINITION AND QUERYING
-
- // Known modes, by name and by MIME
- var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
-
- // Extra arguments are stored as the mode's dependencies, which is
- // used by (legacy) mechanisms like loadmode.js to automatically
- // load a mode. (Preferred mechanism is the require/define calls.)
- CodeMirror.defineMode = function(name, mode) {
- if (!CodeMirror.defaults.mode && name != "null") CodeMirror.defaults.mode = name;
- if (arguments.length > 2)
- mode.dependencies = Array.prototype.slice.call(arguments, 2);
- modes[name] = mode;
- };
-
- CodeMirror.defineMIME = function(mime, spec) {
- mimeModes[mime] = spec;
- };
-
- // Given a MIME type, a {name, ...options} config object, or a name
- // string, return a mode config object.
- CodeMirror.resolveMode = function(spec) {
- if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
- spec = mimeModes[spec];
- } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
- var found = mimeModes[spec.name];
- if (typeof found == "string") found = {name: found};
- spec = createObj(found, spec);
- spec.name = found.name;
- } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
- return CodeMirror.resolveMode("application/xml");
- }
- if (typeof spec == "string") return {name: spec};
- else return spec || {name: "null"};
- };
-
- // Given a mode spec (anything that resolveMode accepts), find and
- // initialize an actual mode object.
- CodeMirror.getMode = function(options, spec) {
- var spec = CodeMirror.resolveMode(spec);
- var mfactory = modes[spec.name];
- if (!mfactory) return CodeMirror.getMode(options, "text/plain");
- var modeObj = mfactory(options, spec);
- if (modeExtensions.hasOwnProperty(spec.name)) {
- var exts = modeExtensions[spec.name];
- for (var prop in exts) {
- if (!exts.hasOwnProperty(prop)) continue;
- if (modeObj.hasOwnProperty(prop)) modeObj["_" + prop] = modeObj[prop];
- modeObj[prop] = exts[prop];
- }
- }
- modeObj.name = spec.name;
- if (spec.helperType) modeObj.helperType = spec.helperType;
- if (spec.modeProps) for (var prop in spec.modeProps)
- modeObj[prop] = spec.modeProps[prop];
-
- return modeObj;
- };
-
- // Minimal default mode.
- CodeMirror.defineMode("null", function() {
- return {token: function(stream) {stream.skipToEnd();}};
- });
- CodeMirror.defineMIME("text/plain", "null");
-
- // This can be used to attach properties to mode objects from
- // outside the actual mode definition.
- var modeExtensions = CodeMirror.modeExtensions = {};
- CodeMirror.extendMode = function(mode, properties) {
- var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
- copyObj(properties, exts);
- };
-
- // EXTENSIONS
-
- CodeMirror.defineExtension = function(name, func) {
- CodeMirror.prototype[name] = func;
- };
- CodeMirror.defineDocExtension = function(name, func) {
- Doc.prototype[name] = func;
- };
- CodeMirror.defineOption = option;
-
- var initHooks = [];
- CodeMirror.defineInitHook = function(f) {initHooks.push(f);};
-
- var helpers = CodeMirror.helpers = {};
- CodeMirror.registerHelper = function(type, name, value) {
- if (!helpers.hasOwnProperty(type)) helpers[type] = CodeMirror[type] = {_global: []};
- helpers[type][name] = value;
- };
- CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
- CodeMirror.registerHelper(type, name, value);
- helpers[type]._global.push({pred: predicate, val: value});
- };
-
- // MODE STATE HANDLING
-
- // Utility functions for working with state. Exported because nested
- // modes need to do this for their inner modes.
-
- var copyState = CodeMirror.copyState = function(mode, state) {
- if (state === true) return state;
- if (mode.copyState) return mode.copyState(state);
- var nstate = {};
- for (var n in state) {
- var val = state[n];
- if (val instanceof Array) val = val.concat([]);
- nstate[n] = val;
- }
- return nstate;
- };
-
- var startState = CodeMirror.startState = function(mode, a1, a2) {
- return mode.startState ? mode.startState(a1, a2) : true;
- };
-
- // Given a mode and a state (for that mode), find the inner mode and
- // state at the position that the state refers to.
- CodeMirror.innerMode = function(mode, state) {
- while (mode.innerMode) {
- var info = mode.innerMode(state);
- if (!info || info.mode == mode) break;
- state = info.state;
- mode = info.mode;
- }
- return info || {mode: mode, state: state};
- };
-
- // STANDARD COMMANDS
-
- // Commands are parameter-less actions that can be performed on an
- // editor, mostly used for keybindings.
- var commands = CodeMirror.commands = {
- selectAll: function(cm) {cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);},
- singleSelection: function(cm) {
- cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll);
- },
- killLine: function(cm) {
- deleteNearSelection(cm, function(range) {
- if (range.empty()) {
- var len = getLine(cm.doc, range.head.line).text.length;
- if (range.head.ch == len && range.head.line < cm.lastLine())
- return {from: range.head, to: Pos(range.head.line + 1, 0)};
- else
- return {from: range.head, to: Pos(range.head.line, len)};
- } else {
- return {from: range.from(), to: range.to()};
- }
- });
- },
- deleteLine: function(cm) {
- deleteNearSelection(cm, function(range) {
- return {from: Pos(range.from().line, 0),
- to: clipPos(cm.doc, Pos(range.to().line + 1, 0))};
- });
- },
- delLineLeft: function(cm) {
- deleteNearSelection(cm, function(range) {
- return {from: Pos(range.from().line, 0), to: range.from()};
- });
- },
- delWrappedLineLeft: function(cm) {
- deleteNearSelection(cm, function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var leftPos = cm.coordsChar({left: 0, top: top}, "div");
- return {from: leftPos, to: range.from()};
- });
- },
- delWrappedLineRight: function(cm) {
- deleteNearSelection(cm, function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
- return {from: range.from(), to: rightPos };
- });
- },
- undo: function(cm) {cm.undo();},
- redo: function(cm) {cm.redo();},
- undoSelection: function(cm) {cm.undoSelection();},
- redoSelection: function(cm) {cm.redoSelection();},
- goDocStart: function(cm) {cm.extendSelection(Pos(cm.firstLine(), 0));},
- goDocEnd: function(cm) {cm.extendSelection(Pos(cm.lastLine()));},
- goLineStart: function(cm) {
- cm.extendSelectionsBy(function(range) { return lineStart(cm, range.head.line); },
- {origin: "+move", bias: 1});
- },
- goLineStartSmart: function(cm) {
- cm.extendSelectionsBy(function(range) {
- return lineStartSmart(cm, range.head);
- }, {origin: "+move", bias: 1});
- },
- goLineEnd: function(cm) {
- cm.extendSelectionsBy(function(range) { return lineEnd(cm, range.head.line); },
- {origin: "+move", bias: -1});
- },
- goLineRight: function(cm) {
- cm.extendSelectionsBy(function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
- }, sel_move);
- },
- goLineLeft: function(cm) {
- cm.extendSelectionsBy(function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- return cm.coordsChar({left: 0, top: top}, "div");
- }, sel_move);
- },
- goLineLeftSmart: function(cm) {
- cm.extendSelectionsBy(function(range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var pos = cm.coordsChar({left: 0, top: top}, "div");
- if (pos.ch < cm.getLine(pos.line).search(/\S/)) return lineStartSmart(cm, range.head);
- return pos;
- }, sel_move);
- },
- goLineUp: function(cm) {cm.moveV(-1, "line");},
- goLineDown: function(cm) {cm.moveV(1, "line");},
- goPageUp: function(cm) {cm.moveV(-1, "page");},
- goPageDown: function(cm) {cm.moveV(1, "page");},
- goCharLeft: function(cm) {cm.moveH(-1, "char");},
- goCharRight: function(cm) {cm.moveH(1, "char");},
- goColumnLeft: function(cm) {cm.moveH(-1, "column");},
- goColumnRight: function(cm) {cm.moveH(1, "column");},
- goWordLeft: function(cm) {cm.moveH(-1, "word");},
- goGroupRight: function(cm) {cm.moveH(1, "group");},
- goGroupLeft: function(cm) {cm.moveH(-1, "group");},
- goWordRight: function(cm) {cm.moveH(1, "word");},
- delCharBefore: function(cm) {cm.deleteH(-1, "char");},
- delCharAfter: function(cm) {cm.deleteH(1, "char");},
- delWordBefore: function(cm) {cm.deleteH(-1, "word");},
- delWordAfter: function(cm) {cm.deleteH(1, "word");},
- delGroupBefore: function(cm) {cm.deleteH(-1, "group");},
- delGroupAfter: function(cm) {cm.deleteH(1, "group");},
- indentAuto: function(cm) {cm.indentSelection("smart");},
- indentMore: function(cm) {cm.indentSelection("add");},
- indentLess: function(cm) {cm.indentSelection("subtract");},
- insertTab: function(cm) {cm.replaceSelection("\t");},
- insertSoftTab: function(cm) {
- var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
- for (var i = 0; i < ranges.length; i++) {
- var pos = ranges[i].from();
- var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
- spaces.push(new Array(tabSize - col % tabSize + 1).join(" "));
- }
- cm.replaceSelections(spaces);
- },
- defaultTab: function(cm) {
- if (cm.somethingSelected()) cm.indentSelection("add");
- else cm.execCommand("insertTab");
- },
- transposeChars: function(cm) {
- runInOp(cm, function() {
- var ranges = cm.listSelections(), newSel = [];
- for (var i = 0; i < ranges.length; i++) {
- var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
- if (line) {
- if (cur.ch == line.length) cur = new Pos(cur.line, cur.ch - 1);
- if (cur.ch > 0) {
- cur = new Pos(cur.line, cur.ch + 1);
- cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
- Pos(cur.line, cur.ch - 2), cur, "+transpose");
- } else if (cur.line > cm.doc.first) {
- var prev = getLine(cm.doc, cur.line - 1).text;
- if (prev)
- cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
- prev.charAt(prev.length - 1),
- Pos(cur.line - 1, prev.length - 1), Pos(cur.line, 1), "+transpose");
- }
- }
- newSel.push(new Range(cur, cur));
- }
- cm.setSelections(newSel);
- });
- },
- newlineAndIndent: function(cm) {
- runInOp(cm, function() {
- var len = cm.listSelections().length;
- for (var i = 0; i < len; i++) {
- var range = cm.listSelections()[i];
- cm.replaceRange(cm.doc.lineSeparator(), range.anchor, range.head, "+input");
- cm.indentLine(range.from().line + 1, null, true);
- }
- ensureCursorVisible(cm);
- });
- },
- toggleOverwrite: function(cm) {cm.toggleOverwrite();}
- };
-
-
- // STANDARD KEYMAPS
-
- var keyMap = CodeMirror.keyMap = {};
-
- keyMap.basic = {
- "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
- "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
- "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
- "Tab": "defaultTab", "Shift-Tab": "indentAuto",
- "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
- "Esc": "singleSelection"
- };
- // Note that the save and find-related commands aren't defined by
- // default. User code or addons can define them. Unknown commands
- // are simply ignored.
- keyMap.pcDefault = {
- "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
- "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
- "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
- "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
- "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
- "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
- "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
- fallthrough: "basic"
- };
- // Very basic readline/emacs-style bindings, which are standard on Mac.
- keyMap.emacsy = {
- "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
- "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
- "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
- "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars"
- };
- keyMap.macDefault = {
- "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
- "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
- "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
- "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
- "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
- "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
- "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
- fallthrough: ["basic", "emacsy"]
- };
- keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
-
- // KEYMAP DISPATCH
-
- function normalizeKeyName(name) {
- var parts = name.split(/-(?!$)/), name = parts[parts.length - 1];
- var alt, ctrl, shift, cmd;
- for (var i = 0; i < parts.length - 1; i++) {
- var mod = parts[i];
- if (/^(cmd|meta|m)$/i.test(mod)) cmd = true;
- else if (/^a(lt)?$/i.test(mod)) alt = true;
- else if (/^(c|ctrl|control)$/i.test(mod)) ctrl = true;
- else if (/^s(hift)$/i.test(mod)) shift = true;
- else throw new Error("Unrecognized modifier name: " + mod);
- }
- if (alt) name = "Alt-" + name;
- if (ctrl) name = "Ctrl-" + name;
- if (cmd) name = "Cmd-" + name;
- if (shift) name = "Shift-" + name;
- return name;
- }
-
- // This is a kludge to keep keymaps mostly working as raw objects
- // (backwards compatibility) while at the same time support features
- // like normalization and multi-stroke key bindings. It compiles a
- // new normalized keymap, and then updates the old object to reflect
- // this.
- CodeMirror.normalizeKeyMap = function(keymap) {
- var copy = {};
- for (var keyname in keymap) if (keymap.hasOwnProperty(keyname)) {
- var value = keymap[keyname];
- if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) continue;
- if (value == "...") { delete keymap[keyname]; continue; }
-
- var keys = map(keyname.split(" "), normalizeKeyName);
- for (var i = 0; i < keys.length; i++) {
- var val, name;
- if (i == keys.length - 1) {
- name = keys.join(" ");
- val = value;
- } else {
- name = keys.slice(0, i + 1).join(" ");
- val = "...";
- }
- var prev = copy[name];
- if (!prev) copy[name] = val;
- else if (prev != val) throw new Error("Inconsistent bindings for " + name);
- }
- delete keymap[keyname];
- }
- for (var prop in copy) keymap[prop] = copy[prop];
- return keymap;
- };
-
- var lookupKey = CodeMirror.lookupKey = function(key, map, handle, context) {
- map = getKeyMap(map);
- var found = map.call ? map.call(key, context) : map[key];
- if (found === false) return "nothing";
- if (found === "...") return "multi";
- if (found != null && handle(found)) return "handled";
-
- if (map.fallthrough) {
- if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
- return lookupKey(key, map.fallthrough, handle, context);
- for (var i = 0; i < map.fallthrough.length; i++) {
- var result = lookupKey(key, map.fallthrough[i], handle, context);
- if (result) return result;
- }
- }
- };
-
- // Modifier key presses don't count as 'real' key presses for the
- // purpose of keymap fallthrough.
- var isModifierKey = CodeMirror.isModifierKey = function(value) {
- var name = typeof value == "string" ? value : keyNames[value.keyCode];
- return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod";
- };
-
- // Look up the name of a key as indicated by an event object.
- var keyName = CodeMirror.keyName = function(event, noShift) {
- if (presto && event.keyCode == 34 && event["char"]) return false;
- var base = keyNames[event.keyCode], name = base;
- if (name == null || event.altGraphKey) return false;
- if (event.altKey && base != "Alt") name = "Alt-" + name;
- if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") name = "Ctrl-" + name;
- if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") name = "Cmd-" + name;
- if (!noShift && event.shiftKey && base != "Shift") name = "Shift-" + name;
- return name;
- };
-
- function getKeyMap(val) {
- return typeof val == "string" ? keyMap[val] : val;
- }
-
- // FROMTEXTAREA
-
- CodeMirror.fromTextArea = function(textarea, options) {
- options = options ? copyObj(options) : {};
- options.value = textarea.value;
- if (!options.tabindex && textarea.tabIndex)
- options.tabindex = textarea.tabIndex;
- if (!options.placeholder && textarea.placeholder)
- options.placeholder = textarea.placeholder;
- // Set autofocus to true if this textarea is focused, or if it has
- // autofocus and no other element is focused.
- if (options.autofocus == null) {
- var hasFocus = activeElt();
- options.autofocus = hasFocus == textarea ||
- textarea.getAttribute("autofocus") != null && hasFocus == document.body;
- }
-
- function save() {textarea.value = cm.getValue();}
- if (textarea.form) {
- on(textarea.form, "submit", save);
- // Deplorable hack to make the submit method do the right thing.
- if (!options.leaveSubmitMethodAlone) {
- var form = textarea.form, realSubmit = form.submit;
- try {
- var wrappedSubmit = form.submit = function() {
- save();
- form.submit = realSubmit;
- form.submit();
- form.submit = wrappedSubmit;
- };
- } catch(e) {}
- }
- }
-
- options.finishInit = function(cm) {
- cm.save = save;
- cm.getTextArea = function() { return textarea; };
- cm.toTextArea = function() {
- cm.toTextArea = isNaN; // Prevent this from being ran twice
- save();
- textarea.parentNode.removeChild(cm.getWrapperElement());
- textarea.style.display = "";
- if (textarea.form) {
- off(textarea.form, "submit", save);
- if (typeof textarea.form.submit == "function")
- textarea.form.submit = realSubmit;
- }
- };
- };
-
- textarea.style.display = "none";
- var cm = CodeMirror(function(node) {
- textarea.parentNode.insertBefore(node, textarea.nextSibling);
- }, options);
- return cm;
- };
-
- // STRING STREAM
-
- // Fed to the mode parsers, provides helper functions to make
- // parsers more succinct.
-
- var StringStream = CodeMirror.StringStream = function(string, tabSize) {
- this.pos = this.start = 0;
- this.string = string;
- this.tabSize = tabSize || 8;
- this.lastColumnPos = this.lastColumnValue = 0;
- this.lineStart = 0;
- };
-
- StringStream.prototype = {
- eol: function() {return this.pos >= this.string.length;},
- sol: function() {return this.pos == this.lineStart;},
- peek: function() {return this.string.charAt(this.pos) || undefined;},
- next: function() {
- if (this.pos < this.string.length)
- return this.string.charAt(this.pos++);
- },
- eat: function(match) {
- var ch = this.string.charAt(this.pos);
- if (typeof match == "string") var ok = ch == match;
- else var ok = ch && (match.test ? match.test(ch) : match(ch));
- if (ok) {++this.pos; return ch;}
- },
- eatWhile: function(match) {
- var start = this.pos;
- while (this.eat(match)){}
- return this.pos > start;
- },
- eatSpace: function() {
- var start = this.pos;
- while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
- return this.pos > start;
- },
- skipToEnd: function() {this.pos = this.string.length;},
- skipTo: function(ch) {
- var found = this.string.indexOf(ch, this.pos);
- if (found > -1) {this.pos = found; return true;}
- },
- backUp: function(n) {this.pos -= n;},
- column: function() {
- if (this.lastColumnPos < this.start) {
- this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
- this.lastColumnPos = this.start;
- }
- return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
- },
- indentation: function() {
- return countColumn(this.string, null, this.tabSize) -
- (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0);
- },
- match: function(pattern, consume, caseInsensitive) {
- if (typeof pattern == "string") {
- var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
- var substr = this.string.substr(this.pos, pattern.length);
- if (cased(substr) == cased(pattern)) {
- if (consume !== false) this.pos += pattern.length;
- return true;
- }
- } else {
- var match = this.string.slice(this.pos).match(pattern);
- if (match && match.index > 0) return null;
- if (match && consume !== false) this.pos += match[0].length;
- return match;
- }
- },
- current: function(){return this.string.slice(this.start, this.pos);},
- hideFirstChars: function(n, inner) {
- this.lineStart += n;
- try { return inner(); }
- finally { this.lineStart -= n; }
- }
- };
-
- // TEXTMARKERS
-
- // Created with markText and setBookmark methods. A TextMarker is a
- // handle that can be used to clear or find a marked position in the
- // document. Line objects hold arrays (markedSpans) containing
- // {from, to, marker} object pointing to such marker objects, and
- // indicating that such a marker is present on that line. Multiple
- // lines may point to the same marker when it spans across lines.
- // The spans will have null for their from/to properties when the
- // marker continues beyond the start/end of the line. Markers have
- // links back to the lines they currently touch.
-
- var nextMarkerId = 0;
-
- var TextMarker = CodeMirror.TextMarker = function(doc, type) {
- this.lines = [];
- this.type = type;
- this.doc = doc;
- this.id = ++nextMarkerId;
- };
- eventMixin(TextMarker);
-
- // Clear the marker.
- TextMarker.prototype.clear = function() {
- if (this.explicitlyCleared) return;
- var cm = this.doc.cm, withOp = cm && !cm.curOp;
- if (withOp) startOperation(cm);
- if (hasHandler(this, "clear")) {
- var found = this.find();
- if (found) signalLater(this, "clear", found.from, found.to);
- }
- var min = null, max = null;
- for (var i = 0; i < this.lines.length; ++i) {
- var line = this.lines[i];
- var span = getMarkedSpanFor(line.markedSpans, this);
- if (cm && !this.collapsed) regLineChange(cm, lineNo(line), "text");
- else if (cm) {
- if (span.to != null) max = lineNo(line);
- if (span.from != null) min = lineNo(line);
- }
- line.markedSpans = removeMarkedSpan(line.markedSpans, span);
- if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
- updateLineHeight(line, textHeight(cm.display));
- }
- if (cm && this.collapsed && !cm.options.lineWrapping) for (var i = 0; i < this.lines.length; ++i) {
- var visual = visualLine(this.lines[i]), len = lineLength(visual);
- if (len > cm.display.maxLineLength) {
- cm.display.maxLine = visual;
- cm.display.maxLineLength = len;
- cm.display.maxLineChanged = true;
- }
- }
-
- if (min != null && cm && this.collapsed) regChange(cm, min, max + 1);
- this.lines.length = 0;
- this.explicitlyCleared = true;
- if (this.atomic && this.doc.cantEdit) {
- this.doc.cantEdit = false;
- if (cm) reCheckSelection(cm.doc);
- }
- if (cm) signalLater(cm, "markerCleared", cm, this);
- if (withOp) endOperation(cm);
- if (this.parent) this.parent.clear();
- };
-
- // Find the position of the marker in the document. Returns a {from,
- // to} object by default. Side can be passed to get a specific side
- // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
- // Pos objects returned contain a line object, rather than a line
- // number (used to prevent looking up the same line twice).
- TextMarker.prototype.find = function(side, lineObj) {
- if (side == null && this.type == "bookmark") side = 1;
- var from, to;
- for (var i = 0; i < this.lines.length; ++i) {
- var line = this.lines[i];
- var span = getMarkedSpanFor(line.markedSpans, this);
- if (span.from != null) {
- from = Pos(lineObj ? line : lineNo(line), span.from);
- if (side == -1) return from;
- }
- if (span.to != null) {
- to = Pos(lineObj ? line : lineNo(line), span.to);
- if (side == 1) return to;
- }
- }
- return from && {from: from, to: to};
- };
-
- // Signals that the marker's widget changed, and surrounding layout
- // should be recomputed.
- TextMarker.prototype.changed = function() {
- var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
- if (!pos || !cm) return;
- runInOp(cm, function() {
- var line = pos.line, lineN = lineNo(pos.line);
- var view = findViewForLine(cm, lineN);
- if (view) {
- clearLineMeasurementCacheFor(view);
- cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
- }
- cm.curOp.updateMaxLine = true;
- if (!lineIsHidden(widget.doc, line) && widget.height != null) {
- var oldHeight = widget.height;
- widget.height = null;
- var dHeight = widgetHeight(widget) - oldHeight;
- if (dHeight)
- updateLineHeight(line, line.height + dHeight);
- }
- });
- };
-
- TextMarker.prototype.attachLine = function(line) {
- if (!this.lines.length && this.doc.cm) {
- var op = this.doc.cm.curOp;
- if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
- (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this);
- }
- this.lines.push(line);
- };
- TextMarker.prototype.detachLine = function(line) {
- this.lines.splice(indexOf(this.lines, line), 1);
- if (!this.lines.length && this.doc.cm) {
- var op = this.doc.cm.curOp;
- (op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
- }
- };
-
- // Collapsed markers have unique ids, in order to be able to order
- // them, which is needed for uniquely determining an outer marker
- // when they overlap (they may nest, but not partially overlap).
- var nextMarkerId = 0;
-
- // Create a marker, wire it up to the right lines, and
- function markText(doc, from, to, options, type) {
- // Shared markers (across linked documents) are handled separately
- // (markTextShared will call out to this again, once per
- // document).
- if (options && options.shared) return markTextShared(doc, from, to, options, type);
- // Ensure we are in an operation.
- if (doc.cm && !doc.cm.curOp) return operation(doc.cm, markText)(doc, from, to, options, type);
-
- var marker = new TextMarker(doc, type), diff = cmp(from, to);
- if (options) copyObj(options, marker, false);
- // Don't connect empty markers unless clearWhenEmpty is false
- if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
- return marker;
- if (marker.replacedWith) {
- // Showing up as a widget implies collapsed (widget replaces text)
- marker.collapsed = true;
- marker.widgetNode = elt("span", [marker.replacedWith], "CodeMirror-widget");
- if (!options.handleMouseEvents) marker.widgetNode.setAttribute("cm-ignore-events", "true");
- if (options.insertLeft) marker.widgetNode.insertLeft = true;
- }
- if (marker.collapsed) {
- if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
- from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
- throw new Error("Inserting collapsed marker partially overlapping an existing one");
- sawCollapsedSpans = true;
- }
-
- if (marker.addToHistory)
- addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN);
-
- var curLine = from.line, cm = doc.cm, updateMaxLine;
- doc.iter(curLine, to.line + 1, function(line) {
- if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
- updateMaxLine = true;
- if (marker.collapsed && curLine != from.line) updateLineHeight(line, 0);
- addMarkedSpan(line, new MarkedSpan(marker,
- curLine == from.line ? from.ch : null,
- curLine == to.line ? to.ch : null));
- ++curLine;
- });
- // lineIsHidden depends on the presence of the spans, so needs a second pass
- if (marker.collapsed) doc.iter(from.line, to.line + 1, function(line) {
- if (lineIsHidden(doc, line)) updateLineHeight(line, 0);
- });
-
- if (marker.clearOnEnter) on(marker, "beforeCursorEnter", function() { marker.clear(); });
-
- if (marker.readOnly) {
- sawReadOnlySpans = true;
- if (doc.history.done.length || doc.history.undone.length)
- doc.clearHistory();
- }
- if (marker.collapsed) {
- marker.id = ++nextMarkerId;
- marker.atomic = true;
- }
- if (cm) {
- // Sync editor state
- if (updateMaxLine) cm.curOp.updateMaxLine = true;
- if (marker.collapsed)
- regChange(cm, from.line, to.line + 1);
- else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
- for (var i = from.line; i <= to.line; i++) regLineChange(cm, i, "text");
- if (marker.atomic) reCheckSelection(cm.doc);
- signalLater(cm, "markerAdded", cm, marker);
- }
- return marker;
- }
-
- // SHARED TEXTMARKERS
-
- // A shared marker spans multiple linked documents. It is
- // implemented as a meta-marker-object controlling multiple normal
- // markers.
- var SharedTextMarker = CodeMirror.SharedTextMarker = function(markers, primary) {
- this.markers = markers;
- this.primary = primary;
- for (var i = 0; i < markers.length; ++i)
- markers[i].parent = this;
- };
- eventMixin(SharedTextMarker);
-
- SharedTextMarker.prototype.clear = function() {
- if (this.explicitlyCleared) return;
- this.explicitlyCleared = true;
- for (var i = 0; i < this.markers.length; ++i)
- this.markers[i].clear();
- signalLater(this, "clear");
- };
- SharedTextMarker.prototype.find = function(side, lineObj) {
- return this.primary.find(side, lineObj);
- };
-
- function markTextShared(doc, from, to, options, type) {
- options = copyObj(options);
- options.shared = false;
- var markers = [markText(doc, from, to, options, type)], primary = markers[0];
- var widget = options.widgetNode;
- linkedDocs(doc, function(doc) {
- if (widget) options.widgetNode = widget.cloneNode(true);
- markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
- for (var i = 0; i < doc.linked.length; ++i)
- if (doc.linked[i].isParent) return;
- primary = lst(markers);
- });
- return new SharedTextMarker(markers, primary);
- }
-
- function findSharedMarkers(doc) {
- return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())),
- function(m) { return m.parent; });
- }
-
- function copySharedMarkers(doc, markers) {
- for (var i = 0; i < markers.length; i++) {
- var marker = markers[i], pos = marker.find();
- var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
- if (cmp(mFrom, mTo)) {
- var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
- marker.markers.push(subMark);
- subMark.parent = marker;
- }
- }
- }
-
- function detachSharedMarkers(markers) {
- for (var i = 0; i < markers.length; i++) {
- var marker = markers[i], linked = [marker.primary.doc];;
- linkedDocs(marker.primary.doc, function(d) { linked.push(d); });
- for (var j = 0; j < marker.markers.length; j++) {
- var subMarker = marker.markers[j];
- if (indexOf(linked, subMarker.doc) == -1) {
- subMarker.parent = null;
- marker.markers.splice(j--, 1);
- }
- }
- }
- }
-
- // TEXTMARKER SPANS
-
- function MarkedSpan(marker, from, to) {
- this.marker = marker;
- this.from = from; this.to = to;
- }
-
- // Search an array of spans for a span matching the given marker.
- function getMarkedSpanFor(spans, marker) {
- if (spans) for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if (span.marker == marker) return span;
- }
- }
- // Remove a span from an array, returning undefined if no spans are
- // left (we don't store arrays for lines without spans).
- function removeMarkedSpan(spans, span) {
- for (var r, i = 0; i < spans.length; ++i)
- if (spans[i] != span) (r || (r = [])).push(spans[i]);
- return r;
- }
- // Add a span to a line.
- function addMarkedSpan(line, span) {
- line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
- span.marker.attachLine(line);
- }
-
- // Used for the algorithm that adjusts markers for a change in the
- // document. These functions cut an array of spans at a given
- // character position, returning an array of remaining chunks (or
- // undefined if nothing remains).
- function markedSpansBefore(old, startCh, isInsert) {
- if (old) for (var i = 0, nw; i < old.length; ++i) {
- var span = old[i], marker = span.marker;
- var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
- if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
- var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);
- (nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
- }
- }
- return nw;
- }
- function markedSpansAfter(old, endCh, isInsert) {
- if (old) for (var i = 0, nw; i < old.length; ++i) {
- var span = old[i], marker = span.marker;
- var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
- if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
- var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
- (nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
- span.to == null ? null : span.to - endCh));
- }
- }
- return nw;
- }
-
- // Given a change object, compute the new set of marker spans that
- // cover the line in which the change took place. Removes spans
- // entirely within the change, reconnects spans belonging to the
- // same marker that appear on both sides of the change, and cuts off
- // spans partially within the change. Returns an array of span
- // arrays with one element for each line in (after) the change.
- function stretchSpansOverChange(doc, change) {
- if (change.full) return null;
- var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
- var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
- if (!oldFirst && !oldLast) return null;
-
- var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
- // Get the spans that 'stick out' on both sides
- var first = markedSpansBefore(oldFirst, startCh, isInsert);
- var last = markedSpansAfter(oldLast, endCh, isInsert);
-
- // Next, merge those two ends
- var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
- if (first) {
- // Fix up .to properties of first
- for (var i = 0; i < first.length; ++i) {
- var span = first[i];
- if (span.to == null) {
- var found = getMarkedSpanFor(last, span.marker);
- if (!found) span.to = startCh;
- else if (sameLine) span.to = found.to == null ? null : found.to + offset;
- }
- }
- }
- if (last) {
- // Fix up .from in last (or move them into first in case of sameLine)
- for (var i = 0; i < last.length; ++i) {
- var span = last[i];
- if (span.to != null) span.to += offset;
- if (span.from == null) {
- var found = getMarkedSpanFor(first, span.marker);
- if (!found) {
- span.from = offset;
- if (sameLine) (first || (first = [])).push(span);
- }
- } else {
- span.from += offset;
- if (sameLine) (first || (first = [])).push(span);
- }
- }
- }
- // Make sure we didn't create any zero-length spans
- if (first) first = clearEmptySpans(first);
- if (last && last != first) last = clearEmptySpans(last);
-
- var newMarkers = [first];
- if (!sameLine) {
- // Fill gap with whole-line-spans
- var gap = change.text.length - 2, gapMarkers;
- if (gap > 0 && first)
- for (var i = 0; i < first.length; ++i)
- if (first[i].to == null)
- (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i].marker, null, null));
- for (var i = 0; i < gap; ++i)
- newMarkers.push(gapMarkers);
- newMarkers.push(last);
- }
- return newMarkers;
- }
-
- // Remove spans that are empty and don't have a clearWhenEmpty
- // option of false.
- function clearEmptySpans(spans) {
- for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
- spans.splice(i--, 1);
- }
- if (!spans.length) return null;
- return spans;
- }
-
- // Used for un/re-doing changes from the history. Combines the
- // result of computing the existing spans with the set of spans that
- // existed in the history (so that deleting around a span and then
- // undoing brings back the span).
- function mergeOldSpans(doc, change) {
- var old = getOldSpans(doc, change);
- var stretched = stretchSpansOverChange(doc, change);
- if (!old) return stretched;
- if (!stretched) return old;
-
- for (var i = 0; i < old.length; ++i) {
- var oldCur = old[i], stretchCur = stretched[i];
- if (oldCur && stretchCur) {
- spans: for (var j = 0; j < stretchCur.length; ++j) {
- var span = stretchCur[j];
- for (var k = 0; k < oldCur.length; ++k)
- if (oldCur[k].marker == span.marker) continue spans;
- oldCur.push(span);
- }
- } else if (stretchCur) {
- old[i] = stretchCur;
- }
- }
- return old;
- }
-
- // Used to 'clip' out readOnly ranges when making a change.
- function removeReadOnlyRanges(doc, from, to) {
- var markers = null;
- doc.iter(from.line, to.line + 1, function(line) {
- if (line.markedSpans) for (var i = 0; i < line.markedSpans.length; ++i) {
- var mark = line.markedSpans[i].marker;
- if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
- (markers || (markers = [])).push(mark);
- }
- });
- if (!markers) return null;
- var parts = [{from: from, to: to}];
- for (var i = 0; i < markers.length; ++i) {
- var mk = markers[i], m = mk.find(0);
- for (var j = 0; j < parts.length; ++j) {
- var p = parts[j];
- if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) continue;
- var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
- if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
- newParts.push({from: p.from, to: m.from});
- if (dto > 0 || !mk.inclusiveRight && !dto)
- newParts.push({from: m.to, to: p.to});
- parts.splice.apply(parts, newParts);
- j += newParts.length - 1;
- }
- }
- return parts;
- }
-
- // Connect or disconnect spans from a line.
- function detachMarkedSpans(line) {
- var spans = line.markedSpans;
- if (!spans) return;
- for (var i = 0; i < spans.length; ++i)
- spans[i].marker.detachLine(line);
- line.markedSpans = null;
- }
- function attachMarkedSpans(line, spans) {
- if (!spans) return;
- for (var i = 0; i < spans.length; ++i)
- spans[i].marker.attachLine(line);
- line.markedSpans = spans;
- }
-
- // Helpers used when computing which overlapping collapsed span
- // counts as the larger one.
- function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0; }
- function extraRight(marker) { return marker.inclusiveRight ? 1 : 0; }
-
- // Returns a number indicating which of two overlapping collapsed
- // spans is larger (and thus includes the other). Falls back to
- // comparing ids when the spans cover exactly the same range.
- function compareCollapsedMarkers(a, b) {
- var lenDiff = a.lines.length - b.lines.length;
- if (lenDiff != 0) return lenDiff;
- var aPos = a.find(), bPos = b.find();
- var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
- if (fromCmp) return -fromCmp;
- var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
- if (toCmp) return toCmp;
- return b.id - a.id;
- }
-
- // Find out whether a line ends or starts in a collapsed span. If
- // so, return the marker for that span.
- function collapsedSpanAtSide(line, start) {
- var sps = sawCollapsedSpans && line.markedSpans, found;
- if (sps) for (var sp, i = 0; i < sps.length; ++i) {
- sp = sps[i];
- if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
- (!found || compareCollapsedMarkers(found, sp.marker) < 0))
- found = sp.marker;
- }
- return found;
- }
- function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true); }
- function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false); }
-
- // Test whether there exists a collapsed span that partially
- // overlaps (covers the start or end, but not both) of a new span.
- // Such overlap is not allowed.
- function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
- var line = getLine(doc, lineNo);
- var sps = sawCollapsedSpans && line.markedSpans;
- if (sps) for (var i = 0; i < sps.length; ++i) {
- var sp = sps[i];
- if (!sp.marker.collapsed) continue;
- var found = sp.marker.find(0);
- var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
- var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
- if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) continue;
- if (fromCmp <= 0 && (cmp(found.to, from) > 0 || (sp.marker.inclusiveRight && marker.inclusiveLeft)) ||
- fromCmp >= 0 && (cmp(found.from, to) < 0 || (sp.marker.inclusiveLeft && marker.inclusiveRight)))
- return true;
- }
- }
-
- // A visual line is a line as drawn on the screen. Folding, for
- // example, can cause multiple logical lines to appear on the same
- // visual line. This finds the start of the visual line that the
- // given line is part of (usually that is the line itself).
- function visualLine(line) {
- var merged;
- while (merged = collapsedSpanAtStart(line))
- line = merged.find(-1, true).line;
- return line;
- }
-
- // Returns an array of logical lines that continue the visual line
- // started by the argument, or undefined if there are no such lines.
- function visualLineContinued(line) {
- var merged, lines;
- while (merged = collapsedSpanAtEnd(line)) {
- line = merged.find(1, true).line;
- (lines || (lines = [])).push(line);
- }
- return lines;
- }
-
- // Get the line number of the start of the visual line that the
- // given line number is part of.
- function visualLineNo(doc, lineN) {
- var line = getLine(doc, lineN), vis = visualLine(line);
- if (line == vis) return lineN;
- return lineNo(vis);
- }
- // Get the line number of the start of the next visual line after
- // the given line.
- function visualLineEndNo(doc, lineN) {
- if (lineN > doc.lastLine()) return lineN;
- var line = getLine(doc, lineN), merged;
- if (!lineIsHidden(doc, line)) return lineN;
- while (merged = collapsedSpanAtEnd(line))
- line = merged.find(1, true).line;
- return lineNo(line) + 1;
- }
-
- // Compute whether a line is hidden. Lines count as hidden when they
- // are part of a visual line that starts with another line, or when
- // they are entirely covered by collapsed, non-widget span.
- function lineIsHidden(doc, line) {
- var sps = sawCollapsedSpans && line.markedSpans;
- if (sps) for (var sp, i = 0; i < sps.length; ++i) {
- sp = sps[i];
- if (!sp.marker.collapsed) continue;
- if (sp.from == null) return true;
- if (sp.marker.widgetNode) continue;
- if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
- return true;
- }
- }
- function lineIsHiddenInner(doc, line, span) {
- if (span.to == null) {
- var end = span.marker.find(1, true);
- return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker));
- }
- if (span.marker.inclusiveRight && span.to == line.text.length)
- return true;
- for (var sp, i = 0; i < line.markedSpans.length; ++i) {
- sp = line.markedSpans[i];
- if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
- (sp.to == null || sp.to != span.from) &&
- (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
- lineIsHiddenInner(doc, line, sp)) return true;
- }
- }
-
- // LINE WIDGETS
-
- // Line widgets are block elements displayed above or below a line.
-
- var LineWidget = CodeMirror.LineWidget = function(doc, node, options) {
- if (options) for (var opt in options) if (options.hasOwnProperty(opt))
- this[opt] = options[opt];
- this.doc = doc;
- this.node = node;
- };
- eventMixin(LineWidget);
-
- function adjustScrollWhenAboveVisible(cm, line, diff) {
- if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
- addToScrollPos(cm, null, diff);
- }
-
- LineWidget.prototype.clear = function() {
- var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
- if (no == null || !ws) return;
- for (var i = 0; i < ws.length; ++i) if (ws[i] == this) ws.splice(i--, 1);
- if (!ws.length) line.widgets = null;
- var height = widgetHeight(this);
- updateLineHeight(line, Math.max(0, line.height - height));
- if (cm) runInOp(cm, function() {
- adjustScrollWhenAboveVisible(cm, line, -height);
- regLineChange(cm, no, "widget");
- });
- };
- LineWidget.prototype.changed = function() {
- var oldH = this.height, cm = this.doc.cm, line = this.line;
- this.height = null;
- var diff = widgetHeight(this) - oldH;
- if (!diff) return;
- updateLineHeight(line, line.height + diff);
- if (cm) runInOp(cm, function() {
- cm.curOp.forceUpdate = true;
- adjustScrollWhenAboveVisible(cm, line, diff);
- });
- };
-
- function widgetHeight(widget) {
- if (widget.height != null) return widget.height;
- var cm = widget.doc.cm;
- if (!cm) return 0;
- if (!contains(document.body, widget.node)) {
- var parentStyle = "position: relative;";
- if (widget.coverGutter)
- parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;";
- if (widget.noHScroll)
- parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;";
- removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
- }
- return widget.height = widget.node.offsetHeight;
- }
-
- function addLineWidget(doc, handle, node, options) {
- var widget = new LineWidget(doc, node, options);
- var cm = doc.cm;
- if (cm && widget.noHScroll) cm.display.alignWidgets = true;
- changeLine(doc, handle, "widget", function(line) {
- var widgets = line.widgets || (line.widgets = []);
- if (widget.insertAt == null) widgets.push(widget);
- else widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget);
- widget.line = line;
- if (cm && !lineIsHidden(doc, line)) {
- var aboveVisible = heightAtLine(line) < doc.scrollTop;
- updateLineHeight(line, line.height + widgetHeight(widget));
- if (aboveVisible) addToScrollPos(cm, null, widget.height);
- cm.curOp.forceUpdate = true;
- }
- return true;
- });
- return widget;
- }
-
- // LINE DATA STRUCTURE
-
- // Line objects. These hold state related to a line, including
- // highlighting info (the styles array).
- var Line = CodeMirror.Line = function(text, markedSpans, estimateHeight) {
- this.text = text;
- attachMarkedSpans(this, markedSpans);
- this.height = estimateHeight ? estimateHeight(this) : 1;
- };
- eventMixin(Line);
- Line.prototype.lineNo = function() { return lineNo(this); };
-
- // Change the content (text, markers) of a line. Automatically
- // invalidates cached information and tries to re-estimate the
- // line's height.
- function updateLine(line, text, markedSpans, estimateHeight) {
- line.text = text;
- if (line.stateAfter) line.stateAfter = null;
- if (line.styles) line.styles = null;
- if (line.order != null) line.order = null;
- detachMarkedSpans(line);
- attachMarkedSpans(line, markedSpans);
- var estHeight = estimateHeight ? estimateHeight(line) : 1;
- if (estHeight != line.height) updateLineHeight(line, estHeight);
- }
-
- // Detach a line from the document tree and its markers.
- function cleanUpLine(line) {
- line.parent = null;
- detachMarkedSpans(line);
- }
-
- function extractLineClasses(type, output) {
- if (type) for (;;) {
- var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
- if (!lineClass) break;
- type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
- var prop = lineClass[1] ? "bgClass" : "textClass";
- if (output[prop] == null)
- output[prop] = lineClass[2];
- else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
- output[prop] += " " + lineClass[2];
- }
- return type;
- }
-
- function callBlankLine(mode, state) {
- if (mode.blankLine) return mode.blankLine(state);
- if (!mode.innerMode) return;
- var inner = CodeMirror.innerMode(mode, state);
- if (inner.mode.blankLine) return inner.mode.blankLine(inner.state);
- }
-
- function readToken(mode, stream, state, inner) {
- for (var i = 0; i < 10; i++) {
- if (inner) inner[0] = CodeMirror.innerMode(mode, state).mode;
- var style = mode.token(stream, state);
- if (stream.pos > stream.start) return style;
- }
- throw new Error("Mode " + mode.name + " failed to advance stream.");
- }
-
- // Utility for getTokenAt and getLineTokens
- function takeToken(cm, pos, precise, asArray) {
- function getObj(copy) {
- return {start: stream.start, end: stream.pos,
- string: stream.current(),
- type: style || null,
- state: copy ? copyState(doc.mode, state) : state};
- }
-
- var doc = cm.doc, mode = doc.mode, style;
- pos = clipPos(doc, pos);
- var line = getLine(doc, pos.line), state = getStateBefore(cm, pos.line, precise);
- var stream = new StringStream(line.text, cm.options.tabSize), tokens;
- if (asArray) tokens = [];
- while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
- stream.start = stream.pos;
- style = readToken(mode, stream, state);
- if (asArray) tokens.push(getObj(true));
- }
- return asArray ? tokens : getObj();
- }
-
- // Run the given mode's parser over a line, calling f for each token.
- function runMode(cm, text, mode, state, f, lineClasses, forceToEnd) {
- var flattenSpans = mode.flattenSpans;
- if (flattenSpans == null) flattenSpans = cm.options.flattenSpans;
- var curStart = 0, curStyle = null;
- var stream = new StringStream(text, cm.options.tabSize), style;
- var inner = cm.options.addModeClass && [null];
- if (text == "") extractLineClasses(callBlankLine(mode, state), lineClasses);
- while (!stream.eol()) {
- if (stream.pos > cm.options.maxHighlightLength) {
- flattenSpans = false;
- if (forceToEnd) processLine(cm, text, state, stream.pos);
- stream.pos = text.length;
- style = null;
- } else {
- style = extractLineClasses(readToken(mode, stream, state, inner), lineClasses);
- }
- if (inner) {
- var mName = inner[0].name;
- if (mName) style = "m-" + (style ? mName + " " + style : mName);
- }
- if (!flattenSpans || curStyle != style) {
- while (curStart < stream.start) {
- curStart = Math.min(stream.start, curStart + 50000);
- f(curStart, curStyle);
- }
- curStyle = style;
- }
- stream.start = stream.pos;
- }
- while (curStart < stream.pos) {
- // Webkit seems to refuse to render text nodes longer than 57444 characters
- var pos = Math.min(stream.pos, curStart + 50000);
- f(pos, curStyle);
- curStart = pos;
- }
- }
-
- // Compute a style array (an array starting with a mode generation
- // -- for invalidation -- followed by pairs of end positions and
- // style strings), which is used to highlight the tokens on the
- // line.
- function highlightLine(cm, line, state, forceToEnd) {
- // A styles array always starts with a number identifying the
- // mode/overlays that it is based on (for easy invalidation).
- var st = [cm.state.modeGen], lineClasses = {};
- // Compute the base array of styles
- runMode(cm, line.text, cm.doc.mode, state, function(end, style) {
- st.push(end, style);
- }, lineClasses, forceToEnd);
-
- // Run overlays, adjust style array.
- for (var o = 0; o < cm.state.overlays.length; ++o) {
- var overlay = cm.state.overlays[o], i = 1, at = 0;
- runMode(cm, line.text, overlay.mode, true, function(end, style) {
- var start = i;
- // Ensure there's a token end at the current position, and that i points at it
- while (at < end) {
- var i_end = st[i];
- if (i_end > end)
- st.splice(i, 1, end, st[i+1], i_end);
- i += 2;
- at = Math.min(end, i_end);
- }
- if (!style) return;
- if (overlay.opaque) {
- st.splice(start, i - start, end, "cm-overlay " + style);
- i = start + 2;
- } else {
- for (; start < i; start += 2) {
- var cur = st[start+1];
- st[start+1] = (cur ? cur + " " : "") + "cm-overlay " + style;
- }
- }
- }, lineClasses);
- }
-
- return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null};
- }
-
- function getLineStyles(cm, line, updateFrontier) {
- if (!line.styles || line.styles[0] != cm.state.modeGen) {
- var state = getStateBefore(cm, lineNo(line));
- var result = highlightLine(cm, line, line.text.length > cm.options.maxHighlightLength ? copyState(cm.doc.mode, state) : state);
- line.stateAfter = state;
- line.styles = result.styles;
- if (result.classes) line.styleClasses = result.classes;
- else if (line.styleClasses) line.styleClasses = null;
- if (updateFrontier === cm.doc.frontier) cm.doc.frontier++;
- }
- return line.styles;
- }
-
- // Lightweight form of highlight -- proceed over this line and
- // update state, but don't save a style array. Used for lines that
- // aren't currently visible.
- function processLine(cm, text, state, startAt) {
- var mode = cm.doc.mode;
- var stream = new StringStream(text, cm.options.tabSize);
- stream.start = stream.pos = startAt || 0;
- if (text == "") callBlankLine(mode, state);
- while (!stream.eol()) {
- readToken(mode, stream, state);
- stream.start = stream.pos;
- }
- }
-
- // Convert a style as returned by a mode (either null, or a string
- // containing one or more styles) to a CSS style. This is cached,
- // and also looks for line-wide styles.
- var styleToClassCache = {}, styleToClassCacheWithMode = {};
- function interpretTokenStyle(style, options) {
- if (!style || /^\s*$/.test(style)) return null;
- var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
- return cache[style] ||
- (cache[style] = style.replace(/\S+/g, "cm-$&"));
- }
-
- // Render the DOM representation of the text of a line. Also builds
- // up a 'line map', which points at the DOM nodes that represent
- // specific stretches of text, and is used by the measuring code.
- // The returned object contains the DOM node, this map, and
- // information about line-wide styles that were set by the mode.
- function buildLineContent(cm, lineView) {
- // The padding-right forces the element to have a 'border', which
- // is needed on Webkit to be able to get line-level bounding
- // rectangles for it (in measureChar).
- var content = elt("span", null, null, webkit ? "padding-right: .1px" : null);
- var builder = {pre: elt("pre", [content], "CodeMirror-line"), content: content,
- col: 0, pos: 0, cm: cm,
- splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};
- lineView.measure = {};
-
- // Iterate over the logical lines that make up this visual line.
- for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
- var line = i ? lineView.rest[i - 1] : lineView.line, order;
- builder.pos = 0;
- builder.addToken = buildToken;
- // Optionally wire in some hacks into the token-rendering
- // algorithm, to deal with browser quirks.
- if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line)))
- builder.addToken = buildTokenBadBidi(builder.addToken, order);
- builder.map = [];
- var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
- insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
- if (line.styleClasses) {
- if (line.styleClasses.bgClass)
- builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || "");
- if (line.styleClasses.textClass)
- builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || "");
- }
-
- // Ensure at least a single node is present, for measuring.
- if (builder.map.length == 0)
- builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure)));
-
- // Store the map and a cache object for the current logical line
- if (i == 0) {
- lineView.measure.map = builder.map;
- lineView.measure.cache = {};
- } else {
- (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map);
- (lineView.measure.caches || (lineView.measure.caches = [])).push({});
- }
- }
-
- // See issue #2901
- if (webkit && /\bcm-tab\b/.test(builder.content.lastChild.className))
- builder.content.className = "cm-tab-wrap-hack";
-
- signal(cm, "renderLine", cm, lineView.line, builder.pre);
- if (builder.pre.className)
- builder.textClass = joinClasses(builder.pre.className, builder.textClass || "");
-
- return builder;
- }
-
- function defaultSpecialCharPlaceholder(ch) {
- var token = elt("span", "\u2022", "cm-invalidchar");
- token.title = "\\u" + ch.charCodeAt(0).toString(16);
- token.setAttribute("aria-label", token.title);
- return token;
- }
-
- // Build up the DOM representation for a single token, and add it to
- // the line map. Takes care to render special characters separately.
- function buildToken(builder, text, style, startStyle, endStyle, title, css) {
- if (!text) return;
- var displayText = builder.splitSpaces ? text.replace(/ {3,}/g, splitSpaces) : text;
- var special = builder.cm.state.specialChars, mustWrap = false;
- if (!special.test(text)) {
- builder.col += text.length;
- var content = document.createTextNode(displayText);
- builder.map.push(builder.pos, builder.pos + text.length, content);
- if (ie && ie_version < 9) mustWrap = true;
- builder.pos += text.length;
- } else {
- var content = document.createDocumentFragment(), pos = 0;
- while (true) {
- special.lastIndex = pos;
- var m = special.exec(text);
- var skipped = m ? m.index - pos : text.length - pos;
- if (skipped) {
- var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
- if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
- else content.appendChild(txt);
- builder.map.push(builder.pos, builder.pos + skipped, txt);
- builder.col += skipped;
- builder.pos += skipped;
- }
- if (!m) break;
- pos += skipped + 1;
- if (m[0] == "\t") {
- var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
- var txt = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
- txt.setAttribute("role", "presentation");
- txt.setAttribute("cm-text", "\t");
- builder.col += tabWidth;
- } else if (m[0] == "\r" || m[0] == "\n") {
- var txt = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
- txt.setAttribute("cm-text", m[0]);
- builder.col += 1;
- } else {
- var txt = builder.cm.options.specialCharPlaceholder(m[0]);
- txt.setAttribute("cm-text", m[0]);
- if (ie && ie_version < 9) content.appendChild(elt("span", [txt]));
- else content.appendChild(txt);
- builder.col += 1;
- }
- builder.map.push(builder.pos, builder.pos + 1, txt);
- builder.pos++;
- }
- }
- if (style || startStyle || endStyle || mustWrap || css) {
- var fullStyle = style || "";
- if (startStyle) fullStyle += startStyle;
- if (endStyle) fullStyle += endStyle;
- var token = elt("span", [content], fullStyle, css);
- if (title) token.title = title;
- return builder.content.appendChild(token);
- }
- builder.content.appendChild(content);
- }
-
- function splitSpaces(old) {
- var out = " ";
- for (var i = 0; i < old.length - 2; ++i) out += i % 2 ? " " : "\u00a0";
- out += " ";
- return out;
- }
-
- // Work around nonsense dimensions being reported for stretches of
- // right-to-left text.
- function buildTokenBadBidi(inner, order) {
- return function(builder, text, style, startStyle, endStyle, title, css) {
- style = style ? style + " cm-force-border" : "cm-force-border";
- var start = builder.pos, end = start + text.length;
- for (;;) {
- // Find the part that overlaps with the start of this text
- for (var i = 0; i < order.length; i++) {
- var part = order[i];
- if (part.to > start && part.from <= start) break;
- }
- if (part.to >= end) return inner(builder, text, style, startStyle, endStyle, title, css);
- inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
- startStyle = null;
- text = text.slice(part.to - start);
- start = part.to;
- }
- };
- }
-
- function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
- var widget = !ignoreWidget && marker.widgetNode;
- if (widget) builder.map.push(builder.pos, builder.pos + size, widget);
- if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
- if (!widget)
- widget = builder.content.appendChild(document.createElement("span"));
- widget.setAttribute("cm-marker", marker.id);
- }
- if (widget) {
- builder.cm.display.input.setUneditable(widget);
- builder.content.appendChild(widget);
- }
- builder.pos += size;
- }
-
- // Outputs a number of spans to make up a line, taking highlighting
- // and marked text into account.
- function insertLineContent(line, builder, styles) {
- var spans = line.markedSpans, allText = line.text, at = 0;
- if (!spans) {
- for (var i = 1; i < styles.length; i+=2)
- builder.addToken(builder, allText.slice(at, at = styles[i]), interpretTokenStyle(styles[i+1], builder.cm.options));
- return;
- }
-
- var len = allText.length, pos = 0, i = 1, text = "", style, css;
- var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
- for (;;) {
- if (nextChange == pos) { // Update current marker set
- spanStyle = spanEndStyle = spanStartStyle = title = css = "";
- collapsed = null; nextChange = Infinity;
- var foundBookmarks = [];
- for (var j = 0; j < spans.length; ++j) {
- var sp = spans[j], m = sp.marker;
- if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
- foundBookmarks.push(m);
- } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
- if (sp.to != null && sp.to != pos && nextChange > sp.to) {
- nextChange = sp.to;
- spanEndStyle = "";
- }
- if (m.className) spanStyle += " " + m.className;
- if (m.css) css = m.css;
- if (m.startStyle && sp.from == pos) spanStartStyle += " " + m.startStyle;
- if (m.endStyle && sp.to == nextChange) spanEndStyle += " " + m.endStyle;
- if (m.title && !title) title = m.title;
- if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
- collapsed = sp;
- } else if (sp.from > pos && nextChange > sp.from) {
- nextChange = sp.from;
- }
- }
- if (collapsed && (collapsed.from || 0) == pos) {
- buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
- collapsed.marker, collapsed.from == null);
- if (collapsed.to == null) return;
- if (collapsed.to == pos) collapsed = false;
- }
- if (!collapsed && foundBookmarks.length) for (var j = 0; j < foundBookmarks.length; ++j)
- buildCollapsedSpan(builder, 0, foundBookmarks[j]);
- }
- if (pos >= len) break;
-
- var upto = Math.min(len, nextChange);
- while (true) {
- if (text) {
- var end = pos + text.length;
- if (!collapsed) {
- var tokenText = end > upto ? text.slice(0, upto - pos) : text;
- builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
- spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
- }
- if (end >= upto) {text = text.slice(upto - pos); pos = upto; break;}
- pos = end;
- spanStartStyle = "";
- }
- text = allText.slice(at, at = styles[i++]);
- style = interpretTokenStyle(styles[i++], builder.cm.options);
- }
- }
- }
-
- // DOCUMENT DATA STRUCTURE
-
- // By default, updates that start and end at the beginning of a line
- // are treated specially, in order to make the association of line
- // widgets and marker elements with the text behave more intuitive.
- function isWholeLineUpdate(doc, change) {
- return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
- (!doc.cm || doc.cm.options.wholeLineUpdateBefore);
- }
-
- // Perform a change on the document data structure.
- function updateDoc(doc, change, markedSpans, estimateHeight) {
- function spansFor(n) {return markedSpans ? markedSpans[n] : null;}
- function update(line, text, spans) {
- updateLine(line, text, spans, estimateHeight);
- signalLater(line, "change", line, change);
- }
- function linesFor(start, end) {
- for (var i = start, result = []; i < end; ++i)
- result.push(new Line(text[i], spansFor(i), estimateHeight));
- return result;
- }
-
- var from = change.from, to = change.to, text = change.text;
- var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
- var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
-
- // Adjust the line structure
- if (change.full) {
- doc.insert(0, linesFor(0, text.length));
- doc.remove(text.length, doc.size - text.length);
- } else if (isWholeLineUpdate(doc, change)) {
- // This is a whole-line replace. Treated specially to make
- // sure line objects move the way they are supposed to.
- var added = linesFor(0, text.length - 1);
- update(lastLine, lastLine.text, lastSpans);
- if (nlines) doc.remove(from.line, nlines);
- if (added.length) doc.insert(from.line, added);
- } else if (firstLine == lastLine) {
- if (text.length == 1) {
- update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
- } else {
- var added = linesFor(1, text.length - 1);
- added.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
- doc.insert(from.line + 1, added);
- }
- } else if (text.length == 1) {
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
- doc.remove(from.line + 1, nlines);
- } else {
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
- update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
- var added = linesFor(1, text.length - 1);
- if (nlines > 1) doc.remove(from.line + 1, nlines - 1);
- doc.insert(from.line + 1, added);
- }
-
- signalLater(doc, "change", doc, change);
- }
-
- // The document is represented as a BTree consisting of leaves, with
- // chunk of lines in them, and branches, with up to ten leaves or
- // other branch nodes below them. The top node is always a branch
- // node, and is the document object itself (meaning it has
- // additional methods and properties).
- //
- // All nodes have parent links. The tree is used both to go from
- // line numbers to line objects, and to go from objects to numbers.
- // It also indexes by height, and is used to convert between height
- // and line object, and to find the total height of the document.
- //
- // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
-
- function LeafChunk(lines) {
- this.lines = lines;
- this.parent = null;
- for (var i = 0, height = 0; i < lines.length; ++i) {
- lines[i].parent = this;
- height += lines[i].height;
- }
- this.height = height;
- }
-
- LeafChunk.prototype = {
- chunkSize: function() { return this.lines.length; },
- // Remove the n lines at offset 'at'.
- removeInner: function(at, n) {
- for (var i = at, e = at + n; i < e; ++i) {
- var line = this.lines[i];
- this.height -= line.height;
- cleanUpLine(line);
- signalLater(line, "delete");
- }
- this.lines.splice(at, n);
- },
- // Helper used to collapse a small branch into a single leaf.
- collapse: function(lines) {
- lines.push.apply(lines, this.lines);
- },
- // Insert the given array of lines at offset 'at', count them as
- // having the given height.
- insertInner: function(at, lines, height) {
- this.height += height;
- this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
- for (var i = 0; i < lines.length; ++i) lines[i].parent = this;
- },
- // Used to iterate over a part of the tree.
- iterN: function(at, n, op) {
- for (var e = at + n; at < e; ++at)
- if (op(this.lines[at])) return true;
- }
- };
-
- function BranchChunk(children) {
- this.children = children;
- var size = 0, height = 0;
- for (var i = 0; i < children.length; ++i) {
- var ch = children[i];
- size += ch.chunkSize(); height += ch.height;
- ch.parent = this;
- }
- this.size = size;
- this.height = height;
- this.parent = null;
- }
-
- BranchChunk.prototype = {
- chunkSize: function() { return this.size; },
- removeInner: function(at, n) {
- this.size -= n;
- for (var i = 0; i < this.children.length; ++i) {
- var child = this.children[i], sz = child.chunkSize();
- if (at < sz) {
- var rm = Math.min(n, sz - at), oldHeight = child.height;
- child.removeInner(at, rm);
- this.height -= oldHeight - child.height;
- if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
- if ((n -= rm) == 0) break;
- at = 0;
- } else at -= sz;
- }
- // If the result is smaller than 25 lines, ensure that it is a
- // single leaf node.
- if (this.size - n < 25 &&
- (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
- var lines = [];
- this.collapse(lines);
- this.children = [new LeafChunk(lines)];
- this.children[0].parent = this;
- }
- },
- collapse: function(lines) {
- for (var i = 0; i < this.children.length; ++i) this.children[i].collapse(lines);
- },
- insertInner: function(at, lines, height) {
- this.size += lines.length;
- this.height += height;
- for (var i = 0; i < this.children.length; ++i) {
- var child = this.children[i], sz = child.chunkSize();
- if (at <= sz) {
- child.insertInner(at, lines, height);
- if (child.lines && child.lines.length > 50) {
- while (child.lines.length > 50) {
- var spilled = child.lines.splice(child.lines.length - 25, 25);
- var newleaf = new LeafChunk(spilled);
- child.height -= newleaf.height;
- this.children.splice(i + 1, 0, newleaf);
- newleaf.parent = this;
- }
- this.maybeSpill();
- }
- break;
- }
- at -= sz;
- }
- },
- // When a node has grown, check whether it should be split.
- maybeSpill: function() {
- if (this.children.length <= 10) return;
- var me = this;
- do {
- var spilled = me.children.splice(me.children.length - 5, 5);
- var sibling = new BranchChunk(spilled);
- if (!me.parent) { // Become the parent node
- var copy = new BranchChunk(me.children);
- copy.parent = me;
- me.children = [copy, sibling];
- me = copy;
- } else {
- me.size -= sibling.size;
- me.height -= sibling.height;
- var myIndex = indexOf(me.parent.children, me);
- me.parent.children.splice(myIndex + 1, 0, sibling);
- }
- sibling.parent = me.parent;
- } while (me.children.length > 10);
- me.parent.maybeSpill();
- },
- iterN: function(at, n, op) {
- for (var i = 0; i < this.children.length; ++i) {
- var child = this.children[i], sz = child.chunkSize();
- if (at < sz) {
- var used = Math.min(n, sz - at);
- if (child.iterN(at, used, op)) return true;
- if ((n -= used) == 0) break;
- at = 0;
- } else at -= sz;
- }
- }
- };
-
- var nextDocId = 0;
- var Doc = CodeMirror.Doc = function(text, mode, firstLine, lineSep) {
- if (!(this instanceof Doc)) return new Doc(text, mode, firstLine, lineSep);
- if (firstLine == null) firstLine = 0;
-
- BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
- this.first = firstLine;
- this.scrollTop = this.scrollLeft = 0;
- this.cantEdit = false;
- this.cleanGeneration = 1;
- this.frontier = firstLine;
- var start = Pos(firstLine, 0);
- this.sel = simpleSelection(start);
- this.history = new History(null);
- this.id = ++nextDocId;
- this.modeOption = mode;
- this.lineSep = lineSep;
-
- if (typeof text == "string") text = this.splitLines(text);
- updateDoc(this, {from: start, to: start, text: text});
- setSelection(this, simpleSelection(start), sel_dontScroll);
- };
-
- Doc.prototype = createObj(BranchChunk.prototype, {
- constructor: Doc,
- // Iterate over the document. Supports two forms -- with only one
- // argument, it calls that for each line in the document. With
- // three, it iterates over the range given by the first two (with
- // the second being non-inclusive).
- iter: function(from, to, op) {
- if (op) this.iterN(from - this.first, to - from, op);
- else this.iterN(this.first, this.first + this.size, from);
- },
-
- // Non-public interface for adding and removing lines.
- insert: function(at, lines) {
- var height = 0;
- for (var i = 0; i < lines.length; ++i) height += lines[i].height;
- this.insertInner(at - this.first, lines, height);
- },
- remove: function(at, n) { this.removeInner(at - this.first, n); },
-
- // From here, the methods are part of the public interface. Most
- // are also available from CodeMirror (editor) instances.
-
- getValue: function(lineSep) {
- var lines = getLines(this, this.first, this.first + this.size);
- if (lineSep === false) return lines;
- return lines.join(lineSep || this.lineSeparator());
- },
- setValue: docMethodOp(function(code) {
- var top = Pos(this.first, 0), last = this.first + this.size - 1;
- makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
- text: this.splitLines(code), origin: "setValue", full: true}, true);
- setSelection(this, simpleSelection(top));
- }),
- replaceRange: function(code, from, to, origin) {
- from = clipPos(this, from);
- to = to ? clipPos(this, to) : from;
- replaceRange(this, code, from, to, origin);
- },
- getRange: function(from, to, lineSep) {
- var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
- if (lineSep === false) return lines;
- return lines.join(lineSep || this.lineSeparator());
- },
-
- getLine: function(line) {var l = this.getLineHandle(line); return l && l.text;},
-
- getLineHandle: function(line) {if (isLine(this, line)) return getLine(this, line);},
- getLineNumber: function(line) {return lineNo(line);},
-
- getLineHandleVisualStart: function(line) {
- if (typeof line == "number") line = getLine(this, line);
- return visualLine(line);
- },
-
- lineCount: function() {return this.size;},
- firstLine: function() {return this.first;},
- lastLine: function() {return this.first + this.size - 1;},
-
- clipPos: function(pos) {return clipPos(this, pos);},
-
- getCursor: function(start) {
- var range = this.sel.primary(), pos;
- if (start == null || start == "head") pos = range.head;
- else if (start == "anchor") pos = range.anchor;
- else if (start == "end" || start == "to" || start === false) pos = range.to();
- else pos = range.from();
- return pos;
- },
- listSelections: function() { return this.sel.ranges; },
- somethingSelected: function() {return this.sel.somethingSelected();},
-
- setCursor: docMethodOp(function(line, ch, options) {
- setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
- }),
- setSelection: docMethodOp(function(anchor, head, options) {
- setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
- }),
- extendSelection: docMethodOp(function(head, other, options) {
- extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
- }),
- extendSelections: docMethodOp(function(heads, options) {
- extendSelections(this, clipPosArray(this, heads, options));
- }),
- extendSelectionsBy: docMethodOp(function(f, options) {
- extendSelections(this, map(this.sel.ranges, f), options);
- }),
- setSelections: docMethodOp(function(ranges, primary, options) {
- if (!ranges.length) return;
- for (var i = 0, out = []; i < ranges.length; i++)
- out[i] = new Range(clipPos(this, ranges[i].anchor),
- clipPos(this, ranges[i].head));
- if (primary == null) primary = Math.min(ranges.length - 1, this.sel.primIndex);
- setSelection(this, normalizeSelection(out, primary), options);
- }),
- addSelection: docMethodOp(function(anchor, head, options) {
- var ranges = this.sel.ranges.slice(0);
- ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
- setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
- }),
-
- getSelection: function(lineSep) {
- var ranges = this.sel.ranges, lines;
- for (var i = 0; i < ranges.length; i++) {
- var sel = getBetween(this, ranges[i].from(), ranges[i].to());
- lines = lines ? lines.concat(sel) : sel;
- }
- if (lineSep === false) return lines;
- else return lines.join(lineSep || this.lineSeparator());
- },
- getSelections: function(lineSep) {
- var parts = [], ranges = this.sel.ranges;
- for (var i = 0; i < ranges.length; i++) {
- var sel = getBetween(this, ranges[i].from(), ranges[i].to());
- if (lineSep !== false) sel = sel.join(lineSep || this.lineSeparator());
- parts[i] = sel;
- }
- return parts;
- },
- replaceSelection: function(code, collapse, origin) {
- var dup = [];
- for (var i = 0; i < this.sel.ranges.length; i++)
- dup[i] = code;
- this.replaceSelections(dup, collapse, origin || "+input");
- },
- replaceSelections: docMethodOp(function(code, collapse, origin) {
- var changes = [], sel = this.sel;
- for (var i = 0; i < sel.ranges.length; i++) {
- var range = sel.ranges[i];
- changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};
- }
- var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
- for (var i = changes.length - 1; i >= 0; i--)
- makeChange(this, changes[i]);
- if (newSel) setSelectionReplaceHistory(this, newSel);
- else if (this.cm) ensureCursorVisible(this.cm);
- }),
- undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
- redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
- undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
- redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
-
- setExtending: function(val) {this.extend = val;},
- getExtending: function() {return this.extend;},
-
- historySize: function() {
- var hist = this.history, done = 0, undone = 0;
- for (var i = 0; i < hist.done.length; i++) if (!hist.done[i].ranges) ++done;
- for (var i = 0; i < hist.undone.length; i++) if (!hist.undone[i].ranges) ++undone;
- return {undo: done, redo: undone};
- },
- clearHistory: function() {this.history = new History(this.history.maxGeneration);},
-
- markClean: function() {
- this.cleanGeneration = this.changeGeneration(true);
- },
- changeGeneration: function(forceSplit) {
- if (forceSplit)
- this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null;
- return this.history.generation;
- },
- isClean: function (gen) {
- return this.history.generation == (gen || this.cleanGeneration);
- },
-
- getHistory: function() {
- return {done: copyHistoryArray(this.history.done),
- undone: copyHistoryArray(this.history.undone)};
- },
- setHistory: function(histData) {
- var hist = this.history = new History(this.history.maxGeneration);
- hist.done = copyHistoryArray(histData.done.slice(0), null, true);
- hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
- },
-
- addLineClass: docMethodOp(function(handle, where, cls) {
- return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
- var prop = where == "text" ? "textClass"
- : where == "background" ? "bgClass"
- : where == "gutter" ? "gutterClass" : "wrapClass";
- if (!line[prop]) line[prop] = cls;
- else if (classTest(cls).test(line[prop])) return false;
- else line[prop] += " " + cls;
- return true;
- });
- }),
- removeLineClass: docMethodOp(function(handle, where, cls) {
- return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function(line) {
- var prop = where == "text" ? "textClass"
- : where == "background" ? "bgClass"
- : where == "gutter" ? "gutterClass" : "wrapClass";
- var cur = line[prop];
- if (!cur) return false;
- else if (cls == null) line[prop] = null;
- else {
- var found = cur.match(classTest(cls));
- if (!found) return false;
- var end = found.index + found[0].length;
- line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
- }
- return true;
- });
- }),
-
- addLineWidget: docMethodOp(function(handle, node, options) {
- return addLineWidget(this, handle, node, options);
- }),
- removeLineWidget: function(widget) { widget.clear(); },
-
- markText: function(from, to, options) {
- return markText(this, clipPos(this, from), clipPos(this, to), options, "range");
- },
- setBookmark: function(pos, options) {
- var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
- insertLeft: options && options.insertLeft,
- clearWhenEmpty: false, shared: options && options.shared,
- handleMouseEvents: options && options.handleMouseEvents};
- pos = clipPos(this, pos);
- return markText(this, pos, pos, realOpts, "bookmark");
- },
- findMarksAt: function(pos) {
- pos = clipPos(this, pos);
- var markers = [], spans = getLine(this, pos.line).markedSpans;
- if (spans) for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if ((span.from == null || span.from <= pos.ch) &&
- (span.to == null || span.to >= pos.ch))
- markers.push(span.marker.parent || span.marker);
- }
- return markers;
- },
- findMarks: function(from, to, filter) {
- from = clipPos(this, from); to = clipPos(this, to);
- var found = [], lineNo = from.line;
- this.iter(from.line, to.line + 1, function(line) {
- var spans = line.markedSpans;
- if (spans) for (var i = 0; i < spans.length; i++) {
- var span = spans[i];
- if (!(lineNo == from.line && from.ch > span.to ||
- span.from == null && lineNo != from.line||
- lineNo == to.line && span.from > to.ch) &&
- (!filter || filter(span.marker)))
- found.push(span.marker.parent || span.marker);
- }
- ++lineNo;
- });
- return found;
- },
- getAllMarks: function() {
- var markers = [];
- this.iter(function(line) {
- var sps = line.markedSpans;
- if (sps) for (var i = 0; i < sps.length; ++i)
- if (sps[i].from != null) markers.push(sps[i].marker);
- });
- return markers;
- },
-
- posFromIndex: function(off) {
- var ch, lineNo = this.first;
- this.iter(function(line) {
- var sz = line.text.length + 1;
- if (sz > off) { ch = off; return true; }
- off -= sz;
- ++lineNo;
- });
- return clipPos(this, Pos(lineNo, ch));
- },
- indexFromPos: function (coords) {
- coords = clipPos(this, coords);
- var index = coords.ch;
- if (coords.line < this.first || coords.ch < 0) return 0;
- this.iter(this.first, coords.line, function (line) {
- index += line.text.length + 1;
- });
- return index;
- },
-
- copy: function(copyHistory) {
- var doc = new Doc(getLines(this, this.first, this.first + this.size),
- this.modeOption, this.first, this.lineSep);
- doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
- doc.sel = this.sel;
- doc.extend = false;
- if (copyHistory) {
- doc.history.undoDepth = this.history.undoDepth;
- doc.setHistory(this.getHistory());
- }
- return doc;
- },
-
- linkedDoc: function(options) {
- if (!options) options = {};
- var from = this.first, to = this.first + this.size;
- if (options.from != null && options.from > from) from = options.from;
- if (options.to != null && options.to < to) to = options.to;
- var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep);
- if (options.sharedHist) copy.history = this.history;
- (this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
- copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
- copySharedMarkers(copy, findSharedMarkers(this));
- return copy;
- },
- unlinkDoc: function(other) {
- if (other instanceof CodeMirror) other = other.doc;
- if (this.linked) for (var i = 0; i < this.linked.length; ++i) {
- var link = this.linked[i];
- if (link.doc != other) continue;
- this.linked.splice(i, 1);
- other.unlinkDoc(this);
- detachSharedMarkers(findSharedMarkers(this));
- break;
- }
- // If the histories were shared, split them again
- if (other.history == this.history) {
- var splitIds = [other.id];
- linkedDocs(other, function(doc) {splitIds.push(doc.id);}, true);
- other.history = new History(null);
- other.history.done = copyHistoryArray(this.history.done, splitIds);
- other.history.undone = copyHistoryArray(this.history.undone, splitIds);
- }
- },
- iterLinkedDocs: function(f) {linkedDocs(this, f);},
-
- getMode: function() {return this.mode;},
- getEditor: function() {return this.cm;},
-
- splitLines: function(str) {
- if (this.lineSep) return str.split(this.lineSep);
- return splitLinesAuto(str);
- },
- lineSeparator: function() { return this.lineSep || "\n"; }
- });
-
- // Public alias.
- Doc.prototype.eachLine = Doc.prototype.iter;
-
- // Set up methods on CodeMirror's prototype to redirect to the editor's document.
- var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
- for (var prop in Doc.prototype) if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
- CodeMirror.prototype[prop] = (function(method) {
- return function() {return method.apply(this.doc, arguments);};
- })(Doc.prototype[prop]);
-
- eventMixin(Doc);
-
- // Call f for all linked documents.
- function linkedDocs(doc, f, sharedHistOnly) {
- function propagate(doc, skip, sharedHist) {
- if (doc.linked) for (var i = 0; i < doc.linked.length; ++i) {
- var rel = doc.linked[i];
- if (rel.doc == skip) continue;
- var shared = sharedHist && rel.sharedHist;
- if (sharedHistOnly && !shared) continue;
- f(rel.doc, shared);
- propagate(rel.doc, doc, shared);
- }
- }
- propagate(doc, null, true);
- }
-
- // Attach a document to an editor.
- function attachDoc(cm, doc) {
- if (doc.cm) throw new Error("This document is already in use.");
- cm.doc = doc;
- doc.cm = cm;
- estimateLineHeights(cm);
- loadMode(cm);
- if (!cm.options.lineWrapping) findMaxLine(cm);
- cm.options.mode = doc.modeOption;
- regChange(cm);
- }
-
- // LINE UTILITIES
-
- // Find the line object corresponding to the given line number.
- function getLine(doc, n) {
- n -= doc.first;
- if (n < 0 || n >= doc.size) throw new Error("There is no line " + (n + doc.first) + " in the document.");
- for (var chunk = doc; !chunk.lines;) {
- for (var i = 0;; ++i) {
- var child = chunk.children[i], sz = child.chunkSize();
- if (n < sz) { chunk = child; break; }
- n -= sz;
- }
- }
- return chunk.lines[n];
- }
-
- // Get the part of a document between two positions, as an array of
- // strings.
- function getBetween(doc, start, end) {
- var out = [], n = start.line;
- doc.iter(start.line, end.line + 1, function(line) {
- var text = line.text;
- if (n == end.line) text = text.slice(0, end.ch);
- if (n == start.line) text = text.slice(start.ch);
- out.push(text);
- ++n;
- });
- return out;
- }
- // Get the lines between from and to, as array of strings.
- function getLines(doc, from, to) {
- var out = [];
- doc.iter(from, to, function(line) { out.push(line.text); });
- return out;
- }
-
- // Update the height of a line, propagating the height change
- // upwards to parent nodes.
- function updateLineHeight(line, height) {
- var diff = height - line.height;
- if (diff) for (var n = line; n; n = n.parent) n.height += diff;
- }
-
- // Given a line object, find its line number by walking up through
- // its parent links.
- function lineNo(line) {
- if (line.parent == null) return null;
- var cur = line.parent, no = indexOf(cur.lines, line);
- for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
- for (var i = 0;; ++i) {
- if (chunk.children[i] == cur) break;
- no += chunk.children[i].chunkSize();
- }
- }
- return no + cur.first;
- }
-
- // Find the line at the given vertical position, using the height
- // information in the document tree.
- function lineAtHeight(chunk, h) {
- var n = chunk.first;
- outer: do {
- for (var i = 0; i < chunk.children.length; ++i) {
- var child = chunk.children[i], ch = child.height;
- if (h < ch) { chunk = child; continue outer; }
- h -= ch;
- n += child.chunkSize();
- }
- return n;
- } while (!chunk.lines);
- for (var i = 0; i < chunk.lines.length; ++i) {
- var line = chunk.lines[i], lh = line.height;
- if (h < lh) break;
- h -= lh;
- }
- return n + i;
- }
-
-
- // Find the height above the given line.
- function heightAtLine(lineObj) {
- lineObj = visualLine(lineObj);
-
- var h = 0, chunk = lineObj.parent;
- for (var i = 0; i < chunk.lines.length; ++i) {
- var line = chunk.lines[i];
- if (line == lineObj) break;
- else h += line.height;
- }
- for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
- for (var i = 0; i < p.children.length; ++i) {
- var cur = p.children[i];
- if (cur == chunk) break;
- else h += cur.height;
- }
- }
- return h;
- }
-
- // Get the bidi ordering for the given line (and cache it). Returns
- // false for lines that are fully left-to-right, and an array of
- // BidiSpan objects otherwise.
- function getOrder(line) {
- var order = line.order;
- if (order == null) order = line.order = bidiOrdering(line.text);
- return order;
- }
-
- // HISTORY
-
- function History(startGen) {
- // Arrays of change events and selections. Doing something adds an
- // event to done and clears undo. Undoing moves events from done
- // to undone, redoing moves them in the other direction.
- this.done = []; this.undone = [];
- this.undoDepth = Infinity;
- // Used to track when changes can be merged into a single undo
- // event
- this.lastModTime = this.lastSelTime = 0;
- this.lastOp = this.lastSelOp = null;
- this.lastOrigin = this.lastSelOrigin = null;
- // Used by the isClean() method
- this.generation = this.maxGeneration = startGen || 1;
- }
-
- // Create a history change event from an updateDoc-style change
- // object.
- function historyChangeFromChange(doc, change) {
- var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
- attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
- linkedDocs(doc, function(doc) {attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);}, true);
- return histChange;
- }
-
- // Pop all selection events off the end of a history array. Stop at
- // a change event.
- function clearSelectionEvents(array) {
- while (array.length) {
- var last = lst(array);
- if (last.ranges) array.pop();
- else break;
- }
- }
-
- // Find the top change event in the history. Pop off selection
- // events that are in the way.
- function lastChangeEvent(hist, force) {
- if (force) {
- clearSelectionEvents(hist.done);
- return lst(hist.done);
- } else if (hist.done.length && !lst(hist.done).ranges) {
- return lst(hist.done);
- } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
- hist.done.pop();
- return lst(hist.done);
- }
- }
-
- // Register a change in the history. Merges changes that are within
- // a single operation, ore are close together with an origin that
- // allows merging (starting with "+") into a single event.
- function addChangeToHistory(doc, change, selAfter, opId) {
- var hist = doc.history;
- hist.undone.length = 0;
- var time = +new Date, cur;
-
- if ((hist.lastOp == opId ||
- hist.lastOrigin == change.origin && change.origin &&
- ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
- change.origin.charAt(0) == "*")) &&
- (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
- // Merge this change into the last event
- var last = lst(cur.changes);
- if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
- // Optimized case for simple insertion -- don't want to add
- // new changesets for every character typed
- last.to = changeEnd(change);
- } else {
- // Add new sub-event
- cur.changes.push(historyChangeFromChange(doc, change));
- }
- } else {
- // Can not be merged, start a new event.
- var before = lst(hist.done);
- if (!before || !before.ranges)
- pushSelectionToHistory(doc.sel, hist.done);
- cur = {changes: [historyChangeFromChange(doc, change)],
- generation: hist.generation};
- hist.done.push(cur);
- while (hist.done.length > hist.undoDepth) {
- hist.done.shift();
- if (!hist.done[0].ranges) hist.done.shift();
- }
- }
- hist.done.push(selAfter);
- hist.generation = ++hist.maxGeneration;
- hist.lastModTime = hist.lastSelTime = time;
- hist.lastOp = hist.lastSelOp = opId;
- hist.lastOrigin = hist.lastSelOrigin = change.origin;
-
- if (!last) signal(doc, "historyAdded");
- }
-
- function selectionEventCanBeMerged(doc, origin, prev, sel) {
- var ch = origin.charAt(0);
- return ch == "*" ||
- ch == "+" &&
- prev.ranges.length == sel.ranges.length &&
- prev.somethingSelected() == sel.somethingSelected() &&
- new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500);
- }
-
- // Called whenever the selection changes, sets the new selection as
- // the pending selection in the history, and pushes the old pending
- // selection into the 'done' array when it was significantly
- // different (in number of selected ranges, emptiness, or time).
- function addSelectionToHistory(doc, sel, opId, options) {
- var hist = doc.history, origin = options && options.origin;
-
- // A new event is started when the previous origin does not match
- // the current, or the origins don't allow matching. Origins
- // starting with * are always merged, those starting with + are
- // merged when similar and close together in time.
- if (opId == hist.lastSelOp ||
- (origin && hist.lastSelOrigin == origin &&
- (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
- selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
- hist.done[hist.done.length - 1] = sel;
- else
- pushSelectionToHistory(sel, hist.done);
-
- hist.lastSelTime = +new Date;
- hist.lastSelOrigin = origin;
- hist.lastSelOp = opId;
- if (options && options.clearRedo !== false)
- clearSelectionEvents(hist.undone);
- }
-
- function pushSelectionToHistory(sel, dest) {
- var top = lst(dest);
- if (!(top && top.ranges && top.equals(sel)))
- dest.push(sel);
- }
-
- // Used to store marked span information in the history.
- function attachLocalSpans(doc, change, from, to) {
- var existing = change["spans_" + doc.id], n = 0;
- doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function(line) {
- if (line.markedSpans)
- (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans;
- ++n;
- });
- }
-
- // When un/re-doing restores text containing marked spans, those
- // that have been explicitly cleared should not be restored.
- function removeClearedSpans(spans) {
- if (!spans) return null;
- for (var i = 0, out; i < spans.length; ++i) {
- if (spans[i].marker.explicitlyCleared) { if (!out) out = spans.slice(0, i); }
- else if (out) out.push(spans[i]);
- }
- return !out ? spans : out.length ? out : null;
- }
-
- // Retrieve and filter the old marked spans stored in a change event.
- function getOldSpans(doc, change) {
- var found = change["spans_" + doc.id];
- if (!found) return null;
- for (var i = 0, nw = []; i < change.text.length; ++i)
- nw.push(removeClearedSpans(found[i]));
- return nw;
- }
-
- // Used both to provide a JSON-safe object in .getHistory, and, when
- // detaching a document, to split the history in two
- function copyHistoryArray(events, newGroup, instantiateSel) {
- for (var i = 0, copy = []; i < events.length; ++i) {
- var event = events[i];
- if (event.ranges) {
- copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
- continue;
- }
- var changes = event.changes, newChanges = [];
- copy.push({changes: newChanges});
- for (var j = 0; j < changes.length; ++j) {
- var change = changes[j], m;
- newChanges.push({from: change.from, to: change.to, text: change.text});
- if (newGroup) for (var prop in change) if (m = prop.match(/^spans_(\d+)$/)) {
- if (indexOf(newGroup, Number(m[1])) > -1) {
- lst(newChanges)[prop] = change[prop];
- delete change[prop];
- }
- }
- }
- }
- return copy;
- }
-
- // Rebasing/resetting history to deal with externally-sourced changes
-
- function rebaseHistSelSingle(pos, from, to, diff) {
- if (to < pos.line) {
- pos.line += diff;
- } else if (from < pos.line) {
- pos.line = from;
- pos.ch = 0;
- }
- }
-
- // Tries to rebase an array of history events given a change in the
- // document. If the change touches the same lines as the event, the
- // event, and everything 'behind' it, is discarded. If the change is
- // before the event, the event's positions are updated. Uses a
- // copy-on-write scheme for the positions, to avoid having to
- // reallocate them all on every rebase, but also avoid problems with
- // shared position objects being unsafely updated.
- function rebaseHistArray(array, from, to, diff) {
- for (var i = 0; i < array.length; ++i) {
- var sub = array[i], ok = true;
- if (sub.ranges) {
- if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
- for (var j = 0; j < sub.ranges.length; j++) {
- rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
- rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
- }
- continue;
- }
- for (var j = 0; j < sub.changes.length; ++j) {
- var cur = sub.changes[j];
- if (to < cur.from.line) {
- cur.from = Pos(cur.from.line + diff, cur.from.ch);
- cur.to = Pos(cur.to.line + diff, cur.to.ch);
- } else if (from <= cur.to.line) {
- ok = false;
- break;
- }
- }
- if (!ok) {
- array.splice(0, i + 1);
- i = 0;
- }
- }
- }
-
- function rebaseHist(hist, change) {
- var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
- rebaseHistArray(hist.done, from, to, diff);
- rebaseHistArray(hist.undone, from, to, diff);
- }
-
- // EVENT UTILITIES
-
- // Due to the fact that we still support jurassic IE versions, some
- // compatibility wrappers are needed.
-
- var e_preventDefault = CodeMirror.e_preventDefault = function(e) {
- if (e.preventDefault) e.preventDefault();
- else e.returnValue = false;
- };
- var e_stopPropagation = CodeMirror.e_stopPropagation = function(e) {
- if (e.stopPropagation) e.stopPropagation();
- else e.cancelBubble = true;
- };
- function e_defaultPrevented(e) {
- return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false;
- }
- var e_stop = CodeMirror.e_stop = function(e) {e_preventDefault(e); e_stopPropagation(e);};
-
- function e_target(e) {return e.target || e.srcElement;}
- function e_button(e) {
- var b = e.which;
- if (b == null) {
- if (e.button & 1) b = 1;
- else if (e.button & 2) b = 3;
- else if (e.button & 4) b = 2;
- }
- if (mac && e.ctrlKey && b == 1) b = 3;
- return b;
- }
-
- // EVENT HANDLING
-
- // Lightweight event framework. on/off also work on DOM nodes,
- // registering native DOM handlers.
-
- var on = CodeMirror.on = function(emitter, type, f) {
- if (emitter.addEventListener)
- emitter.addEventListener(type, f, false);
- else if (emitter.attachEvent)
- emitter.attachEvent("on" + type, f);
- else {
- var map = emitter._handlers || (emitter._handlers = {});
- var arr = map[type] || (map[type] = []);
- arr.push(f);
- }
- };
-
- var noHandlers = []
- function getHandlers(emitter, type, copy) {
- var arr = emitter._handlers && emitter._handlers[type]
- if (copy) return arr && arr.length > 0 ? arr.slice() : noHandlers
- else return arr || noHandlers
- }
-
- var off = CodeMirror.off = function(emitter, type, f) {
- if (emitter.removeEventListener)
- emitter.removeEventListener(type, f, false);
- else if (emitter.detachEvent)
- emitter.detachEvent("on" + type, f);
- else {
- var handlers = getHandlers(emitter, type, false)
- for (var i = 0; i < handlers.length; ++i)
- if (handlers[i] == f) { handlers.splice(i, 1); break; }
- }
- };
-
- var signal = CodeMirror.signal = function(emitter, type /*, values...*/) {
- var handlers = getHandlers(emitter, type, true)
- if (!handlers.length) return;
- var args = Array.prototype.slice.call(arguments, 2);
- for (var i = 0; i < handlers.length; ++i) handlers[i].apply(null, args);
- };
-
- var orphanDelayedCallbacks = null;
-
- // Often, we want to signal events at a point where we are in the
- // middle of some work, but don't want the handler to start calling
- // other methods on the editor, which might be in an inconsistent
- // state or simply not expect any other events to happen.
- // signalLater looks whether there are any handlers, and schedules
- // them to be executed when the last operation ends, or, if no
- // operation is active, when a timeout fires.
- function signalLater(emitter, type /*, values...*/) {
- var arr = getHandlers(emitter, type, false)
- if (!arr.length) return;
- var args = Array.prototype.slice.call(arguments, 2), list;
- if (operationGroup) {
- list = operationGroup.delayedCallbacks;
- } else if (orphanDelayedCallbacks) {
- list = orphanDelayedCallbacks;
- } else {
- list = orphanDelayedCallbacks = [];
- setTimeout(fireOrphanDelayed, 0);
- }
- function bnd(f) {return function(){f.apply(null, args);};};
- for (var i = 0; i < arr.length; ++i)
- list.push(bnd(arr[i]));
- }
-
- function fireOrphanDelayed() {
- var delayed = orphanDelayedCallbacks;
- orphanDelayedCallbacks = null;
- for (var i = 0; i < delayed.length; ++i) delayed[i]();
- }
-
- // The DOM events that CodeMirror handles can be overridden by
- // registering a (non-DOM) handler on the editor for the event name,
- // and preventDefault-ing the event in that handler.
- function signalDOMEvent(cm, e, override) {
- if (typeof e == "string")
- e = {type: e, preventDefault: function() { this.defaultPrevented = true; }};
- signal(cm, override || e.type, cm, e);
- return e_defaultPrevented(e) || e.codemirrorIgnore;
- }
-
- function signalCursorActivity(cm) {
- var arr = cm._handlers && cm._handlers.cursorActivity;
- if (!arr) return;
- var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
- for (var i = 0; i < arr.length; ++i) if (indexOf(set, arr[i]) == -1)
- set.push(arr[i]);
- }
-
- function hasHandler(emitter, type) {
- return getHandlers(emitter, type).length > 0
- }
-
- // Add on and off methods to a constructor's prototype, to make
- // registering events on such objects more convenient.
- function eventMixin(ctor) {
- ctor.prototype.on = function(type, f) {on(this, type, f);};
- ctor.prototype.off = function(type, f) {off(this, type, f);};
- }
-
- // MISC UTILITIES
-
- // Number of pixels added to scroller and sizer to hide scrollbar
- var scrollerGap = 30;
-
- // Returned or thrown by various protocols to signal 'I'm not
- // handling this'.
- var Pass = CodeMirror.Pass = {toString: function(){return "CodeMirror.Pass";}};
-
- // Reused option objects for setSelection & friends
- var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
-
- function Delayed() {this.id = null;}
- Delayed.prototype.set = function(ms, f) {
- clearTimeout(this.id);
- this.id = setTimeout(f, ms);
- };
-
- // Counts the column offset in a string, taking tabs into account.
- // Used mostly to find indentation.
- var countColumn = CodeMirror.countColumn = function(string, end, tabSize, startIndex, startValue) {
- if (end == null) {
- end = string.search(/[^\s\u00a0]/);
- if (end == -1) end = string.length;
- }
- for (var i = startIndex || 0, n = startValue || 0;;) {
- var nextTab = string.indexOf("\t", i);
- if (nextTab < 0 || nextTab >= end)
- return n + (end - i);
- n += nextTab - i;
- n += tabSize - (n % tabSize);
- i = nextTab + 1;
- }
- };
-
- // The inverse of countColumn -- find the offset that corresponds to
- // a particular column.
- var findColumn = CodeMirror.findColumn = function(string, goal, tabSize) {
- for (var pos = 0, col = 0;;) {
- var nextTab = string.indexOf("\t", pos);
- if (nextTab == -1) nextTab = string.length;
- var skipped = nextTab - pos;
- if (nextTab == string.length || col + skipped >= goal)
- return pos + Math.min(skipped, goal - col);
- col += nextTab - pos;
- col += tabSize - (col % tabSize);
- pos = nextTab + 1;
- if (col >= goal) return pos;
- }
- }
-
- var spaceStrs = [""];
- function spaceStr(n) {
- while (spaceStrs.length <= n)
- spaceStrs.push(lst(spaceStrs) + " ");
- return spaceStrs[n];
- }
-
- function lst(arr) { return arr[arr.length-1]; }
-
- var selectInput = function(node) { node.select(); };
- if (ios) // Mobile Safari apparently has a bug where select() is broken.
- selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; };
- else if (ie) // Suppress mysterious IE10 errors
- selectInput = function(node) { try { node.select(); } catch(_e) {} };
-
- function indexOf(array, elt) {
- for (var i = 0; i < array.length; ++i)
- if (array[i] == elt) return i;
- return -1;
- }
- function map(array, f) {
- var out = [];
- for (var i = 0; i < array.length; i++) out[i] = f(array[i], i);
- return out;
- }
-
- function nothing() {}
-
- function createObj(base, props) {
- var inst;
- if (Object.create) {
- inst = Object.create(base);
- } else {
- nothing.prototype = base;
- inst = new nothing();
- }
- if (props) copyObj(props, inst);
- return inst;
- };
-
- function copyObj(obj, target, overwrite) {
- if (!target) target = {};
- for (var prop in obj)
- if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
- target[prop] = obj[prop];
- return target;
- }
-
- function bind(f) {
- var args = Array.prototype.slice.call(arguments, 1);
- return function(){return f.apply(null, args);};
- }
-
- var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
- var isWordCharBasic = CodeMirror.isWordChar = function(ch) {
- return /\w/.test(ch) || ch > "\x80" &&
- (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch));
- };
- function isWordChar(ch, helper) {
- if (!helper) return isWordCharBasic(ch);
- if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) return true;
- return helper.test(ch);
- }
-
- function isEmpty(obj) {
- for (var n in obj) if (obj.hasOwnProperty(n) && obj[n]) return false;
- return true;
- }
-
- // Extending unicode characters. A series of a non-extending char +
- // any number of extending chars is treated as a single unit as far
- // as editing and measuring is concerned. This is not fully correct,
- // since some scripts/fonts/browsers also treat other configurations
- // of code points as a group.
- var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
- function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch); }
-
- // DOM UTILITIES
-
- function elt(tag, content, className, style) {
- var e = document.createElement(tag);
- if (className) e.className = className;
- if (style) e.style.cssText = style;
- if (typeof content == "string") e.appendChild(document.createTextNode(content));
- else if (content) for (var i = 0; i < content.length; ++i) e.appendChild(content[i]);
- return e;
- }
-
- var range;
- if (document.createRange) range = function(node, start, end, endNode) {
- var r = document.createRange();
- r.setEnd(endNode || node, end);
- r.setStart(node, start);
- return r;
- };
- else range = function(node, start, end) {
- var r = document.body.createTextRange();
- try { r.moveToElementText(node.parentNode); }
- catch(e) { return r; }
- r.collapse(true);
- r.moveEnd("character", end);
- r.moveStart("character", start);
- return r;
- };
-
- function removeChildren(e) {
- for (var count = e.childNodes.length; count > 0; --count)
- e.removeChild(e.firstChild);
- return e;
- }
-
- function removeChildrenAndAdd(parent, e) {
- return removeChildren(parent).appendChild(e);
- }
-
- var contains = CodeMirror.contains = function(parent, child) {
- if (child.nodeType == 3) // Android browser always returns false when child is a textnode
- child = child.parentNode;
- if (parent.contains)
- return parent.contains(child);
- do {
- if (child.nodeType == 11) child = child.host;
- if (child == parent) return true;
- } while (child = child.parentNode);
- };
-
- function activeElt() {
- var activeElement = document.activeElement;
- while (activeElement && activeElement.root && activeElement.root.activeElement)
- activeElement = activeElement.root.activeElement;
- return activeElement;
- }
- // Older versions of IE throws unspecified error when touching
- // document.activeElement in some cases (during loading, in iframe)
- if (ie && ie_version < 11) activeElt = function() {
- try { return document.activeElement; }
- catch(e) { return document.body; }
- };
-
- function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*"); }
- var rmClass = CodeMirror.rmClass = function(node, cls) {
- var current = node.className;
- var match = classTest(cls).exec(current);
- if (match) {
- var after = current.slice(match.index + match[0].length);
- node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
- }
- };
- var addClass = CodeMirror.addClass = function(node, cls) {
- var current = node.className;
- if (!classTest(cls).test(current)) node.className += (current ? " " : "") + cls;
- };
- function joinClasses(a, b) {
- var as = a.split(" ");
- for (var i = 0; i < as.length; i++)
- if (as[i] && !classTest(as[i]).test(b)) b += " " + as[i];
- return b;
- }
-
- // WINDOW-WIDE EVENTS
-
- // These must be handled carefully, because naively registering a
- // handler for each editor will cause the editors to never be
- // garbage collected.
-
- function forEachCodeMirror(f) {
- if (!document.body.getElementsByClassName) return;
- var byClass = document.body.getElementsByClassName("CodeMirror");
- for (var i = 0; i < byClass.length; i++) {
- var cm = byClass[i].CodeMirror;
- if (cm) f(cm);
- }
- }
-
- var globalsRegistered = false;
- function ensureGlobalHandlers() {
- if (globalsRegistered) return;
- registerGlobalHandlers();
- globalsRegistered = true;
- }
- function registerGlobalHandlers() {
- // When the window resizes, we need to refresh active editors.
- var resizeTimer;
- on(window, "resize", function() {
- if (resizeTimer == null) resizeTimer = setTimeout(function() {
- resizeTimer = null;
- forEachCodeMirror(onResize);
- }, 100);
- });
- // When the window loses focus, we want to show the editor as blurred
- on(window, "blur", function() {
- forEachCodeMirror(onBlur);
- });
- }
-
- // FEATURE DETECTION
-
- // Detect drag-and-drop
- var dragAndDrop = function() {
- // There is *some* kind of drag-and-drop support in IE6-8, but I
- // couldn't get it to work yet.
- if (ie && ie_version < 9) return false;
- var div = elt('div');
- return "draggable" in div || "dragDrop" in div;
- }();
-
- var zwspSupported;
- function zeroWidthElement(measure) {
- if (zwspSupported == null) {
- var test = elt("span", "\u200b");
- removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
- if (measure.firstChild.offsetHeight != 0)
- zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8);
- }
- var node = zwspSupported ? elt("span", "\u200b") :
- elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
- node.setAttribute("cm-text", "");
- return node;
- }
-
- // Feature-detect IE's crummy client rect reporting for bidi text
- var badBidiRects;
- function hasBadBidiRects(measure) {
- if (badBidiRects != null) return badBidiRects;
- var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
- var r0 = range(txt, 0, 1).getBoundingClientRect();
- if (!r0 || r0.left == r0.right) return false; // Safari returns null in some cases (#2780)
- var r1 = range(txt, 1, 2).getBoundingClientRect();
- return badBidiRects = (r1.right - r0.right < 3);
- }
-
- // See if "".split is the broken IE version, if so, provide an
- // alternative way to split lines.
- var splitLinesAuto = CodeMirror.splitLines = "\n\nb".split(/\n/).length != 3 ? function(string) {
- var pos = 0, result = [], l = string.length;
- while (pos <= l) {
- var nl = string.indexOf("\n", pos);
- if (nl == -1) nl = string.length;
- var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
- var rt = line.indexOf("\r");
- if (rt != -1) {
- result.push(line.slice(0, rt));
- pos += rt + 1;
- } else {
- result.push(line);
- pos = nl + 1;
- }
- }
- return result;
- } : function(string){return string.split(/\r\n?|\n/);};
-
- var hasSelection = window.getSelection ? function(te) {
- try { return te.selectionStart != te.selectionEnd; }
- catch(e) { return false; }
- } : function(te) {
- try {var range = te.ownerDocument.selection.createRange();}
- catch(e) {}
- if (!range || range.parentElement() != te) return false;
- return range.compareEndPoints("StartToEnd", range) != 0;
- };
-
- var hasCopyEvent = (function() {
- var e = elt("div");
- if ("oncopy" in e) return true;
- e.setAttribute("oncopy", "return;");
- return typeof e.oncopy == "function";
- })();
-
- var badZoomedRects = null;
- function hasBadZoomedRects(measure) {
- if (badZoomedRects != null) return badZoomedRects;
- var node = removeChildrenAndAdd(measure, elt("span", "x"));
- var normal = node.getBoundingClientRect();
- var fromRange = range(node, 0, 1).getBoundingClientRect();
- return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1;
- }
-
- // KEY NAMES
-
- var keyNames = CodeMirror.keyNames = {
- 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
- 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
- 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
- 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
- 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
- 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
- 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
- 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
- };
- (function() {
- // Number keys
- for (var i = 0; i < 10; i++) keyNames[i + 48] = keyNames[i + 96] = String(i);
- // Alphabetic keys
- for (var i = 65; i <= 90; i++) keyNames[i] = String.fromCharCode(i);
- // Function keys
- for (var i = 1; i <= 12; i++) keyNames[i + 111] = keyNames[i + 63235] = "F" + i;
- })();
-
- // BIDI HELPERS
-
- function iterateBidiSections(order, from, to, f) {
- if (!order) return f(from, to, "ltr");
- var found = false;
- for (var i = 0; i < order.length; ++i) {
- var part = order[i];
- if (part.from < to && part.to > from || from == to && part.to == from) {
- f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr");
- found = true;
- }
- }
- if (!found) f(from, to, "ltr");
- }
-
- function bidiLeft(part) { return part.level % 2 ? part.to : part.from; }
- function bidiRight(part) { return part.level % 2 ? part.from : part.to; }
-
- function lineLeft(line) { var order = getOrder(line); return order ? bidiLeft(order[0]) : 0; }
- function lineRight(line) {
- var order = getOrder(line);
- if (!order) return line.text.length;
- return bidiRight(lst(order));
- }
-
- function lineStart(cm, lineN) {
- var line = getLine(cm.doc, lineN);
- var visual = visualLine(line);
- if (visual != line) lineN = lineNo(visual);
- var order = getOrder(visual);
- var ch = !order ? 0 : order[0].level % 2 ? lineRight(visual) : lineLeft(visual);
- return Pos(lineN, ch);
- }
- function lineEnd(cm, lineN) {
- var merged, line = getLine(cm.doc, lineN);
- while (merged = collapsedSpanAtEnd(line)) {
- line = merged.find(1, true).line;
- lineN = null;
- }
- var order = getOrder(line);
- var ch = !order ? line.text.length : order[0].level % 2 ? lineLeft(line) : lineRight(line);
- return Pos(lineN == null ? lineNo(line) : lineN, ch);
- }
- function lineStartSmart(cm, pos) {
- var start = lineStart(cm, pos.line);
- var line = getLine(cm.doc, start.line);
- var order = getOrder(line);
- if (!order || order[0].level == 0) {
- var firstNonWS = Math.max(0, line.text.search(/\S/));
- var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
- return Pos(start.line, inWS ? 0 : firstNonWS);
- }
- return start;
- }
-
- function compareBidiLevel(order, a, b) {
- var linedir = order[0].level;
- if (a == linedir) return true;
- if (b == linedir) return false;
- return a < b;
- }
- var bidiOther;
- function getBidiPartAt(order, pos) {
- bidiOther = null;
- for (var i = 0, found; i < order.length; ++i) {
- var cur = order[i];
- if (cur.from < pos && cur.to > pos) return i;
- if ((cur.from == pos || cur.to == pos)) {
- if (found == null) {
- found = i;
- } else if (compareBidiLevel(order, cur.level, order[found].level)) {
- if (cur.from != cur.to) bidiOther = found;
- return i;
- } else {
- if (cur.from != cur.to) bidiOther = i;
- return found;
- }
- }
- }
- return found;
- }
-
- function moveInLine(line, pos, dir, byUnit) {
- if (!byUnit) return pos + dir;
- do pos += dir;
- while (pos > 0 && isExtendingChar(line.text.charAt(pos)));
- return pos;
- }
-
- // This is needed in order to move 'visually' through bi-directional
- // text -- i.e., pressing left should make the cursor go left, even
- // when in RTL text. The tricky part is the 'jumps', where RTL and
- // LTR text touch each other. This often requires the cursor offset
- // to move more than one unit, in order to visually move one unit.
- function moveVisually(line, start, dir, byUnit) {
- var bidi = getOrder(line);
- if (!bidi) return moveLogically(line, start, dir, byUnit);
- var pos = getBidiPartAt(bidi, start), part = bidi[pos];
- var target = moveInLine(line, start, part.level % 2 ? -dir : dir, byUnit);
-
- for (;;) {
- if (target > part.from && target < part.to) return target;
- if (target == part.from || target == part.to) {
- if (getBidiPartAt(bidi, target) == pos) return target;
- part = bidi[pos += dir];
- return (dir > 0) == part.level % 2 ? part.to : part.from;
- } else {
- part = bidi[pos += dir];
- if (!part) return null;
- if ((dir > 0) == part.level % 2)
- target = moveInLine(line, part.to, -1, byUnit);
- else
- target = moveInLine(line, part.from, 1, byUnit);
- }
- }
- }
-
- function moveLogically(line, start, dir, byUnit) {
- var target = start + dir;
- if (byUnit) while (target > 0 && isExtendingChar(line.text.charAt(target))) target += dir;
- return target < 0 || target > line.text.length ? null : target;
- }
-
- // Bidirectional ordering algorithm
- // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
- // that this (partially) implements.
-
- // One-char codes used for character types:
- // L (L): Left-to-Right
- // R (R): Right-to-Left
- // r (AL): Right-to-Left Arabic
- // 1 (EN): European Number
- // + (ES): European Number Separator
- // % (ET): European Number Terminator
- // n (AN): Arabic Number
- // , (CS): Common Number Separator
- // m (NSM): Non-Spacing Mark
- // b (BN): Boundary Neutral
- // s (B): Paragraph Separator
- // t (S): Segment Separator
- // w (WS): Whitespace
- // N (ON): Other Neutrals
-
- // Returns null if characters are ordered as they appear
- // (left-to-right), or an array of sections ({from, to, level}
- // objects) in the order in which they occur visually.
- var bidiOrdering = (function() {
- // Character types for codepoints 0 to 0xff
- var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
- // Character types for codepoints 0x600 to 0x6ff
- var arabicTypes = "rrrrrrrrrrrr,rNNmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmrrrrrrrnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmNmmmm";
- function charType(code) {
- if (code <= 0xf7) return lowTypes.charAt(code);
- else if (0x590 <= code && code <= 0x5f4) return "R";
- else if (0x600 <= code && code <= 0x6ed) return arabicTypes.charAt(code - 0x600);
- else if (0x6ee <= code && code <= 0x8ac) return "r";
- else if (0x2000 <= code && code <= 0x200b) return "w";
- else if (code == 0x200c) return "b";
- else return "L";
- }
-
- var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
- var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
- // Browsers seem to always treat the boundaries of block elements as being L.
- var outerType = "L";
-
- function BidiSpan(level, from, to) {
- this.level = level;
- this.from = from; this.to = to;
- }
-
- return function(str) {
- if (!bidiRE.test(str)) return false;
- var len = str.length, types = [];
- for (var i = 0, type; i < len; ++i)
- types.push(type = charType(str.charCodeAt(i)));
-
- // W1. Examine each non-spacing mark (NSM) in the level run, and
- // change the type of the NSM to the type of the previous
- // character. If the NSM is at the start of the level run, it will
- // get the type of sor.
- for (var i = 0, prev = outerType; i < len; ++i) {
- var type = types[i];
- if (type == "m") types[i] = prev;
- else prev = type;
- }
-
- // W2. Search backwards from each instance of a European number
- // until the first strong type (R, L, AL, or sor) is found. If an
- // AL is found, change the type of the European number to Arabic
- // number.
- // W3. Change all ALs to R.
- for (var i = 0, cur = outerType; i < len; ++i) {
- var type = types[i];
- if (type == "1" && cur == "r") types[i] = "n";
- else if (isStrong.test(type)) { cur = type; if (type == "r") types[i] = "R"; }
- }
-
- // W4. A single European separator between two European numbers
- // changes to a European number. A single common separator between
- // two numbers of the same type changes to that type.
- for (var i = 1, prev = types[0]; i < len - 1; ++i) {
- var type = types[i];
- if (type == "+" && prev == "1" && types[i+1] == "1") types[i] = "1";
- else if (type == "," && prev == types[i+1] &&
- (prev == "1" || prev == "n")) types[i] = prev;
- prev = type;
- }
-
- // W5. A sequence of European terminators adjacent to European
- // numbers changes to all European numbers.
- // W6. Otherwise, separators and terminators change to Other
- // Neutral.
- for (var i = 0; i < len; ++i) {
- var type = types[i];
- if (type == ",") types[i] = "N";
- else if (type == "%") {
- for (var end = i + 1; end < len && types[end] == "%"; ++end) {}
- var replace = (i && types[i-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
- for (var j = i; j < end; ++j) types[j] = replace;
- i = end - 1;
- }
- }
-
- // W7. Search backwards from each instance of a European number
- // until the first strong type (R, L, or sor) is found. If an L is
- // found, then change the type of the European number to L.
- for (var i = 0, cur = outerType; i < len; ++i) {
- var type = types[i];
- if (cur == "L" && type == "1") types[i] = "L";
- else if (isStrong.test(type)) cur = type;
- }
-
- // N1. A sequence of neutrals takes the direction of the
- // surrounding strong text if the text on both sides has the same
- // direction. European and Arabic numbers act as if they were R in
- // terms of their influence on neutrals. Start-of-level-run (sor)
- // and end-of-level-run (eor) are used at level run boundaries.
- // N2. Any remaining neutrals take the embedding direction.
- for (var i = 0; i < len; ++i) {
- if (isNeutral.test(types[i])) {
- for (var end = i + 1; end < len && isNeutral.test(types[end]); ++end) {}
- var before = (i ? types[i-1] : outerType) == "L";
- var after = (end < len ? types[end] : outerType) == "L";
- var replace = before || after ? "L" : "R";
- for (var j = i; j < end; ++j) types[j] = replace;
- i = end - 1;
- }
- }
-
- // Here we depart from the documented algorithm, in order to avoid
- // building up an actual levels array. Since there are only three
- // levels (0, 1, 2) in an implementation that doesn't take
- // explicit embedding into account, we can build up the order on
- // the fly, without following the level-based algorithm.
- var order = [], m;
- for (var i = 0; i < len;) {
- if (countsAsLeft.test(types[i])) {
- var start = i;
- for (++i; i < len && countsAsLeft.test(types[i]); ++i) {}
- order.push(new BidiSpan(0, start, i));
- } else {
- var pos = i, at = order.length;
- for (++i; i < len && types[i] != "L"; ++i) {}
- for (var j = pos; j < i;) {
- if (countsAsNum.test(types[j])) {
- if (pos < j) order.splice(at, 0, new BidiSpan(1, pos, j));
- var nstart = j;
- for (++j; j < i && countsAsNum.test(types[j]); ++j) {}
- order.splice(at, 0, new BidiSpan(2, nstart, j));
- pos = j;
- } else ++j;
- }
- if (pos < i) order.splice(at, 0, new BidiSpan(1, pos, i));
- }
- }
- if (order[0].level == 1 && (m = str.match(/^\s+/))) {
- order[0].from = m[0].length;
- order.unshift(new BidiSpan(0, 0, m[0].length));
- }
- if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
- lst(order).to -= m[0].length;
- order.push(new BidiSpan(0, len - m[0].length, len));
- }
- if (order[0].level == 2)
- order.unshift(new BidiSpan(1, order[0].to, order[0].to));
- if (order[0].level != lst(order).level)
- order.push(new BidiSpan(order[0].level, len, len));
-
- return order;
- };
- })();
-
- // THE END
-
- CodeMirror.version = "5.7.1";
-
- return CodeMirror;
-});
diff --git a/src/js/codemirror/continuelist.js b/src/js/codemirror/continuelist.js
deleted file mode 100644
index df5179f..0000000
--- a/src/js/codemirror/continuelist.js
+++ /dev/null
@@ -1,51 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
- "use strict";
-
- var listRE = /^(\s*)(>[> ]*|[*+-]\s|(\d+)([.)]))(\s*)/,
- emptyListRE = /^(\s*)(>[> ]*|[*+-]|(\d+)[.)])(\s*)$/,
- unorderedListRE = /[*+-]\s/;
-
- CodeMirror.commands.newlineAndIndentContinueMarkdownList = function(cm) {
- if (cm.getOption("disableInput")) return CodeMirror.Pass;
- var ranges = cm.listSelections(), replacements = [];
- for (var i = 0; i < ranges.length; i++) {
- var pos = ranges[i].head;
- var eolState = cm.getStateAfter(pos.line);
- var inList = eolState.list !== false;
- var inQuote = eolState.quote !== 0;
-
- var line = cm.getLine(pos.line), match = listRE.exec(line);
- if (!ranges[i].empty() || (!inList && !inQuote) || !match) {
- cm.execCommand("newlineAndIndent");
- return;
- }
- if (emptyListRE.test(line)) {
- cm.replaceRange("", {
- line: pos.line, ch: 0
- }, {
- line: pos.line, ch: pos.ch + 1
- });
- replacements[i] = "\n";
- } else {
- var indent = match[1], after = match[5];
- var bullet = unorderedListRE.test(match[2]) || match[2].indexOf(">") >= 0
- ? match[2]
- : (parseInt(match[3], 10) + 1) + match[4];
-
- replacements[i] = "\n" + indent + bullet + after;
- }
- }
-
- cm.replaceSelections(replacements);
- };
-});
diff --git a/src/js/codemirror/fullscreen.js b/src/js/codemirror/fullscreen.js
deleted file mode 100644
index cd3673b..0000000
--- a/src/js/codemirror/fullscreen.js
+++ /dev/null
@@ -1,41 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
- "use strict";
-
- CodeMirror.defineOption("fullScreen", false, function(cm, val, old) {
- if (old == CodeMirror.Init) old = false;
- if (!old == !val) return;
- if (val) setFullscreen(cm);
- else setNormal(cm);
- });
-
- function setFullscreen(cm) {
- var wrap = cm.getWrapperElement();
- cm.state.fullScreenRestore = {scrollTop: window.pageYOffset, scrollLeft: window.pageXOffset,
- width: wrap.style.width, height: wrap.style.height};
- wrap.style.width = "";
- wrap.style.height = "auto";
- wrap.className += " CodeMirror-fullscreen";
- document.documentElement.style.overflow = "hidden";
- cm.refresh();
- }
-
- function setNormal(cm) {
- var wrap = cm.getWrapperElement();
- wrap.className = wrap.className.replace(/\s*CodeMirror-fullscreen\b/, "");
- document.documentElement.style.overflow = "";
- var info = cm.state.fullScreenRestore;
- wrap.style.width = info.width; wrap.style.height = info.height;
- window.scrollTo(info.scrollLeft, info.scrollTop);
- cm.refresh();
- }
-});
diff --git a/src/js/codemirror/gfm.js b/src/js/codemirror/gfm.js
deleted file mode 100644
index 6e74ad4..0000000
--- a/src/js/codemirror/gfm.js
+++ /dev/null
@@ -1,130 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"), require("../markdown/markdown"), require("../../addon/mode/overlay"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror", "../markdown/markdown", "../../addon/mode/overlay"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-var urlRE = /^((?:(?:aaas?|about|acap|adiumxtra|af[ps]|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|cap|chrome(?:-extension)?|cid|coap|com-eventbrite-attendee|content|crid|cvs|data|dav|dict|dlna-(?:playcontainer|playsingle)|dns|doi|dtn|dvb|ed2k|facetime|feed|file|finger|fish|ftp|geo|gg|git|gizmoproject|go|gopher|gtalk|h323|hcp|https?|iax|icap|icon|im|imap|info|ipn|ipp|irc[6s]?|iris(?:\.beep|\.lwz|\.xpc|\.xpcs)?|itms|jar|javascript|jms|keyparc|lastfm|ldaps?|magnet|mailto|maps|market|message|mid|mms|ms-help|msnim|msrps?|mtqp|mumble|mupdate|mvn|news|nfs|nih?|nntp|notes|oid|opaquelocktoken|palm|paparazzi|platform|pop|pres|proxy|psyc|query|res(?:ource)?|rmi|rsync|rtmp|rtsp|secondlife|service|session|sftp|sgn|shttp|sieve|sips?|skype|sm[bs]|snmp|soap\.beeps?|soldat|spotify|ssh|steam|svn|tag|teamspeak|tel(?:net)?|tftp|things|thismessage|tip|tn3270|tv|udp|unreal|urn|ut2004|vemmi|ventrilo|view-source|webcal|wss?|wtai|wyciwyg|xcon(?:-userid)?|xfire|xmlrpc\.beeps?|xmpp|xri|ymsgr|z39\.50[rs]?):(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]|\([^\s()<>]*\))+(?:\([^\s()<>]*\)|[^\s`*!()\[\]{};:'".,<>?«»“”‘’]))/i
-
-CodeMirror.defineMode("gfm", function(config, modeConfig) {
- var codeDepth = 0;
- function blankLine(state) {
- state.code = false;
- return null;
- }
- var gfmOverlay = {
- startState: function() {
- return {
- code: false,
- codeBlock: false,
- ateSpace: false
- };
- },
- copyState: function(s) {
- return {
- code: s.code,
- codeBlock: s.codeBlock,
- ateSpace: s.ateSpace
- };
- },
- token: function(stream, state) {
- state.combineTokens = null;
-
- // Hack to prevent formatting override inside code blocks (block and inline)
- if (state.codeBlock) {
- if (stream.match(/^```+/)) {
- state.codeBlock = false;
- return null;
- }
- stream.skipToEnd();
- return null;
- }
- if (stream.sol()) {
- state.code = false;
- }
- if (stream.sol() && stream.match(/^```+/)) {
- stream.skipToEnd();
- state.codeBlock = true;
- return null;
- }
- // If this block is changed, it may need to be updated in Markdown mode
- if (stream.peek() === '`') {
- stream.next();
- var before = stream.pos;
- stream.eatWhile('`');
- var difference = 1 + stream.pos - before;
- if (!state.code) {
- codeDepth = difference;
- state.code = true;
- } else {
- if (difference === codeDepth) { // Must be exact
- state.code = false;
- }
- }
- return null;
- } else if (state.code) {
- stream.next();
- return null;
- }
- // Check if space. If so, links can be formatted later on
- if (stream.eatSpace()) {
- state.ateSpace = true;
- return null;
- }
- if (stream.sol() || state.ateSpace) {
- state.ateSpace = false;
- if (modeConfig.gitHubSpice !== false) {
- if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?:[a-f0-9]{7,40}\b)/)) {
- // User/Project@SHA
- // User@SHA
- // SHA
- state.combineTokens = true;
- return "link";
- } else if (stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+)?#[0-9]+\b/)) {
- // User/Project#Num
- // User#Num
- // #Num
- state.combineTokens = true;
- return "link";
- }
- }
- }
- if (stream.match(urlRE) &&
- stream.string.slice(stream.start - 2, stream.start) != "](" &&
- (stream.start == 0 || /\W/.test(stream.string.charAt(stream.start - 1)))) {
- // URLs
- // Taken from http://daringfireball.net/2010/07/improved_regex_for_matching_urls
- // And then (issue #1160) simplified to make it not crash the Chrome Regexp engine
- // And then limited url schemes to the CommonMark list, so foo:bar isn't matched as a URL
- state.combineTokens = true;
- return "link";
- }
- stream.next();
- return null;
- },
- blankLine: blankLine
- };
-
- var markdownConfig = {
- underscoresBreakWords: false,
- taskLists: true,
- fencedCodeBlocks: '```',
- strikethrough: true
- };
- for (var attr in modeConfig) {
- markdownConfig[attr] = modeConfig[attr];
- }
- markdownConfig.name = "markdown";
- return CodeMirror.overlayMode(CodeMirror.getMode(config, markdownConfig), gfmOverlay);
-
-}, "markdown");
-
- CodeMirror.defineMIME("text/x-gfm", "gfm");
-});
diff --git a/src/js/codemirror/markdown.js b/src/js/codemirror/markdown.js
deleted file mode 100644
index 9d40368..0000000
--- a/src/js/codemirror/markdown.js
+++ /dev/null
@@ -1,792 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror", "../xml/xml", "../meta"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {
-
- var htmlFound = CodeMirror.modes.hasOwnProperty("xml");
- var htmlMode = CodeMirror.getMode(cmCfg, htmlFound ? {name: "xml", htmlMode: true} : "text/plain");
-
- function getMode(name) {
- if (CodeMirror.findModeByName) {
- var found = CodeMirror.findModeByName(name);
- if (found) name = found.mime || found.mimes[0];
- }
- var mode = CodeMirror.getMode(cmCfg, name);
- return mode.name == "null" ? null : mode;
- }
-
- // Should characters that affect highlighting be highlighted separate?
- // Does not include characters that will be output (such as `1.` and `-` for lists)
- if (modeCfg.highlightFormatting === undefined)
- modeCfg.highlightFormatting = false;
-
- // Maximum number of nested blockquotes. Set to 0 for infinite nesting.
- // Excess `>` will emit `error` token.
- if (modeCfg.maxBlockquoteDepth === undefined)
- modeCfg.maxBlockquoteDepth = 0;
-
- // Should underscores in words open/close em/strong?
- if (modeCfg.underscoresBreakWords === undefined)
- modeCfg.underscoresBreakWords = true;
-
- // Use `fencedCodeBlocks` to configure fenced code blocks. false to
- // disable, string to specify a precise regexp that the fence should
- // match, and true to allow three or more backticks or tildes (as
- // per CommonMark).
-
- // Turn on task lists? ("- [ ] " and "- [x] ")
- if (modeCfg.taskLists === undefined) modeCfg.taskLists = false;
-
- // Turn on strikethrough syntax
- if (modeCfg.strikethrough === undefined)
- modeCfg.strikethrough = false;
-
- var codeDepth = 0;
-
- var header = 'header'
- , code = 'comment'
- , quote = 'quote'
- , list1 = 'variable-2'
- , list2 = 'variable-3'
- , list3 = 'keyword'
- , hr = 'hr'
- , image = 'tag'
- , formatting = 'formatting'
- , linkinline = 'link'
- , linkemail = 'link'
- , linktext = 'link'
- , linkhref = 'string'
- , em = 'em'
- , strong = 'strong'
- , strikethrough = 'strikethrough';
-
- var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/
- , ulRE = /^[*\-+]\s+/
- , olRE = /^[0-9]+([.)])\s+/
- , taskListRE = /^\[(x| )\](?=\s)/ // Must follow ulRE or olRE
- , atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/
- , setextHeaderRE = /^ *(?:\={1,}|-{1,})\s*$/
- , textRE = /^[^#!\[\]*_\\<>` "'(~]+/
- , fencedCodeRE = new RegExp("^(" + (modeCfg.fencedCodeBlocks === true ? "~~~+|```+" : modeCfg.fencedCodeBlocks) +
- ")[ \\t]*([\\w+#]*)");
-
- function switchInline(stream, state, f) {
- state.f = state.inline = f;
- return f(stream, state);
- }
-
- function switchBlock(stream, state, f) {
- state.f = state.block = f;
- return f(stream, state);
- }
-
- function lineIsEmpty(line) {
- return !line || !/\S/.test(line.string)
- }
-
- // Blocks
-
- function blankLine(state) {
- // Reset linkTitle state
- state.linkTitle = false;
- // Reset EM state
- state.em = false;
- // Reset STRONG state
- state.strong = false;
- // Reset strikethrough state
- state.strikethrough = false;
- // Reset state.quote
- state.quote = 0;
- // Reset state.indentedCode
- state.indentedCode = false;
- if (!htmlFound && state.f == htmlBlock) {
- state.f = inlineNormal;
- state.block = blockNormal;
- }
- // Reset state.trailingSpace
- state.trailingSpace = 0;
- state.trailingSpaceNewLine = false;
- // Mark this line as blank
- state.prevLine = state.thisLine
- state.thisLine = null
- return null;
- }
-
- function blockNormal(stream, state) {
-
- var sol = stream.sol();
-
- var prevLineIsList = state.list !== false,
- prevLineIsIndentedCode = state.indentedCode;
-
- state.indentedCode = false;
-
- if (prevLineIsList) {
- if (state.indentationDiff >= 0) { // Continued list
- if (state.indentationDiff < 4) { // Only adjust indentation if *not* a code block
- state.indentation -= state.indentationDiff;
- }
- state.list = null;
- } else if (state.indentation > 0) {
- state.list = null;
- state.listDepth = Math.floor(state.indentation / 4);
- } else { // No longer a list
- state.list = false;
- state.listDepth = 0;
- }
- }
-
- var match = null;
- if (state.indentationDiff >= 4) {
- stream.skipToEnd();
- if (prevLineIsIndentedCode || lineIsEmpty(state.prevLine)) {
- state.indentation -= 4;
- state.indentedCode = true;
- return code;
- } else {
- return null;
- }
- } else if (stream.eatSpace()) {
- return null;
- } else if ((match = stream.match(atxHeaderRE)) && match[1].length <= 6) {
- state.header = match[1].length;
- if (modeCfg.highlightFormatting) state.formatting = "header";
- state.f = state.inline;
- return getType(state);
- } else if (!lineIsEmpty(state.prevLine) && !state.quote && !prevLineIsList &&
- !prevLineIsIndentedCode && (match = stream.match(setextHeaderRE))) {
- state.header = match[0].charAt(0) == '=' ? 1 : 2;
- if (modeCfg.highlightFormatting) state.formatting = "header";
- state.f = state.inline;
- return getType(state);
- } else if (stream.eat('>')) {
- state.quote = sol ? 1 : state.quote + 1;
- if (modeCfg.highlightFormatting) state.formatting = "quote";
- stream.eatSpace();
- return getType(state);
- } else if (stream.peek() === '[') {
- return switchInline(stream, state, footnoteLink);
- } else if (stream.match(hrRE, true)) {
- state.hr = true;
- return hr;
- } else if ((lineIsEmpty(state.prevLine) || prevLineIsList) && (stream.match(ulRE, false) || stream.match(olRE, false))) {
- var listType = null;
- if (stream.match(ulRE, true)) {
- listType = 'ul';
- } else {
- stream.match(olRE, true);
- listType = 'ol';
- }
- state.indentation = stream.column() + stream.current().length;
- state.list = true;
- state.listDepth++;
- if (modeCfg.taskLists && stream.match(taskListRE, false)) {
- state.taskList = true;
- }
- state.f = state.inline;
- if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType];
- return getType(state);
- } else if (modeCfg.fencedCodeBlocks && (match = stream.match(fencedCodeRE, true))) {
- state.fencedChars = match[1]
- // try switching mode
- state.localMode = getMode(match[2]);
- if (state.localMode) state.localState = state.localMode.startState();
- state.f = state.block = local;
- if (modeCfg.highlightFormatting) state.formatting = "code-block";
- state.code = true;
- return getType(state);
- }
-
- return switchInline(stream, state, state.inline);
- }
-
- function htmlBlock(stream, state) {
- var style = htmlMode.token(stream, state.htmlState);
- if ((htmlFound && state.htmlState.tagStart === null &&
- (!state.htmlState.context && state.htmlState.tokenize.isInText)) ||
- (state.md_inside && stream.current().indexOf(">") > -1)) {
- state.f = inlineNormal;
- state.block = blockNormal;
- state.htmlState = null;
- }
- return style;
- }
-
- function local(stream, state) {
- if (stream.sol() && state.fencedChars && stream.match(state.fencedChars, false)) {
- state.localMode = state.localState = null;
- state.f = state.block = leavingLocal;
- return null;
- } else if (state.localMode) {
- return state.localMode.token(stream, state.localState);
- } else {
- stream.skipToEnd();
- return code;
- }
- }
-
- function leavingLocal(stream, state) {
- stream.match(state.fencedChars);
- state.block = blockNormal;
- state.f = inlineNormal;
- state.fencedChars = null;
- if (modeCfg.highlightFormatting) state.formatting = "code-block";
- state.code = true;
- var returnType = getType(state);
- state.code = false;
- return returnType;
- }
-
- // Inline
- function getType(state) {
- var styles = [];
-
- if (state.formatting) {
- styles.push(formatting);
-
- if (typeof state.formatting === "string") state.formatting = [state.formatting];
-
- for (var i = 0; i < state.formatting.length; i++) {
- styles.push(formatting + "-" + state.formatting[i]);
-
- if (state.formatting[i] === "header") {
- styles.push(formatting + "-" + state.formatting[i] + "-" + state.header);
- }
-
- // Add `formatting-quote` and `formatting-quote-#` for blockquotes
- // Add `error` instead if the maximum blockquote nesting depth is passed
- if (state.formatting[i] === "quote") {
- if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
- styles.push(formatting + "-" + state.formatting[i] + "-" + state.quote);
- } else {
- styles.push("error");
- }
- }
- }
- }
-
- if (state.taskOpen) {
- styles.push("meta");
- return styles.length ? styles.join(' ') : null;
- }
- if (state.taskClosed) {
- styles.push("property");
- return styles.length ? styles.join(' ') : null;
- }
-
- if (state.linkHref) {
- styles.push(linkhref, "url");
- } else { // Only apply inline styles to non-url text
- if (state.strong) { styles.push(strong); }
- if (state.em) { styles.push(em); }
- if (state.strikethrough) { styles.push(strikethrough); }
-
- if (state.linkText) { styles.push(linktext); }
-
- if (state.code) { styles.push(code); }
- }
-
- if (state.header) { styles.push(header); styles.push(header + "-" + state.header); }
-
- if (state.quote) {
- styles.push(quote);
-
- // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth
- if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
- styles.push(quote + "-" + state.quote);
- } else {
- styles.push(quote + "-" + modeCfg.maxBlockquoteDepth);
- }
- }
-
- if (state.list !== false) {
- var listMod = (state.listDepth - 1) % 3;
- if (!listMod) {
- styles.push(list1);
- } else if (listMod === 1) {
- styles.push(list2);
- } else {
- styles.push(list3);
- }
- }
-
- if (state.trailingSpaceNewLine) {
- styles.push("trailing-space-new-line");
- } else if (state.trailingSpace) {
- styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b"));
- }
-
- return styles.length ? styles.join(' ') : null;
- }
-
- function handleText(stream, state) {
- if (stream.match(textRE, true)) {
- return getType(state);
- }
- return undefined;
- }
-
- function inlineNormal(stream, state) {
- var style = state.text(stream, state);
- if (typeof style !== 'undefined')
- return style;
-
- if (state.list) { // List marker (*, +, -, 1., etc)
- state.list = null;
- return getType(state);
- }
-
- if (state.taskList) {
- var taskOpen = stream.match(taskListRE, true)[1] !== "x";
- if (taskOpen) state.taskOpen = true;
- else state.taskClosed = true;
- if (modeCfg.highlightFormatting) state.formatting = "task";
- state.taskList = false;
- return getType(state);
- }
-
- state.taskOpen = false;
- state.taskClosed = false;
-
- if (state.header && stream.match(/^#+$/, true)) {
- if (modeCfg.highlightFormatting) state.formatting = "header";
- return getType(state);
- }
-
- // Get sol() value now, before character is consumed
- var sol = stream.sol();
-
- var ch = stream.next();
-
- if (ch === '\\') {
- stream.next();
- if (modeCfg.highlightFormatting) {
- var type = getType(state);
- return type ? type + " formatting-escape" : "formatting-escape";
- }
- }
-
- // Matches link titles present on next line
- if (state.linkTitle) {
- state.linkTitle = false;
- var matchCh = ch;
- if (ch === '(') {
- matchCh = ')';
- }
- matchCh = (matchCh+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
- var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;
- if (stream.match(new RegExp(regex), true)) {
- return linkhref;
- }
- }
-
- // If this block is changed, it may need to be updated in GFM mode
- if (ch === '`') {
- var previousFormatting = state.formatting;
- if (modeCfg.highlightFormatting) state.formatting = "code";
- var t = getType(state);
- var before = stream.pos;
- stream.eatWhile('`');
- var difference = 1 + stream.pos - before;
- if (!state.code) {
- codeDepth = difference;
- state.code = true;
- return getType(state);
- } else {
- if (difference === codeDepth) { // Must be exact
- state.code = false;
- return t;
- }
- state.formatting = previousFormatting;
- return getType(state);
- }
- } else if (state.code) {
- return getType(state);
- }
-
- if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) {
- stream.match(/\[[^\]]*\]/);
- state.inline = state.f = linkHref;
- return image;
- }
-
- if (ch === '[' && stream.match(/.*\](\(.*\)| ?\[.*\])/, false)) {
- state.linkText = true;
- if (modeCfg.highlightFormatting) state.formatting = "link";
- return getType(state);
- }
-
- if (ch === ']' && state.linkText && stream.match(/\(.*\)| ?\[.*\]/, false)) {
- if (modeCfg.highlightFormatting) state.formatting = "link";
- var type = getType(state);
- state.linkText = false;
- state.inline = state.f = linkHref;
- return type;
- }
-
- if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) {
- state.f = state.inline = linkInline;
- if (modeCfg.highlightFormatting) state.formatting = "link";
- var type = getType(state);
- if (type){
- type += " ";
- } else {
- type = "";
- }
- return type + linkinline;
- }
-
- if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) {
- state.f = state.inline = linkInline;
- if (modeCfg.highlightFormatting) state.formatting = "link";
- var type = getType(state);
- if (type){
- type += " ";
- } else {
- type = "";
- }
- return type + linkemail;
- }
-
- if (ch === '<' && stream.match(/^(!--|\w)/, false)) {
- var end = stream.string.indexOf(">", stream.pos);
- if (end != -1) {
- var atts = stream.string.substring(stream.start, end);
- if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true;
- }
- stream.backUp(1);
- state.htmlState = CodeMirror.startState(htmlMode);
- return switchBlock(stream, state, htmlBlock);
- }
-
- if (ch === '<' && stream.match(/^\/\w*?>/)) {
- state.md_inside = false;
- return "tag";
- }
-
- var ignoreUnderscore = false;
- if (!modeCfg.underscoresBreakWords) {
- if (ch === '_' && stream.peek() !== '_' && stream.match(/(\w)/, false)) {
- var prevPos = stream.pos - 2;
- if (prevPos >= 0) {
- var prevCh = stream.string.charAt(prevPos);
- if (prevCh !== '_' && prevCh.match(/(\w)/, false)) {
- ignoreUnderscore = true;
- }
- }
- }
- }
- if (ch === '*' || (ch === '_' && !ignoreUnderscore)) {
- if (sol && stream.peek() === ' ') {
- // Do nothing, surrounded by newline and space
- } else if (state.strong === ch && stream.eat(ch)) { // Remove STRONG
- if (modeCfg.highlightFormatting) state.formatting = "strong";
- var t = getType(state);
- state.strong = false;
- return t;
- } else if (!state.strong && stream.eat(ch)) { // Add STRONG
- state.strong = ch;
- if (modeCfg.highlightFormatting) state.formatting = "strong";
- return getType(state);
- } else if (state.em === ch) { // Remove EM
- if (modeCfg.highlightFormatting) state.formatting = "em";
- var t = getType(state);
- state.em = false;
- return t;
- } else if (!state.em) { // Add EM
- state.em = ch;
- if (modeCfg.highlightFormatting) state.formatting = "em";
- return getType(state);
- }
- } else if (ch === ' ') {
- if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces
- if (stream.peek() === ' ') { // Surrounded by spaces, ignore
- return getType(state);
- } else { // Not surrounded by spaces, back up pointer
- stream.backUp(1);
- }
- }
- }
-
- if (modeCfg.strikethrough) {
- if (ch === '~' && stream.eatWhile(ch)) {
- if (state.strikethrough) {// Remove strikethrough
- if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
- var t = getType(state);
- state.strikethrough = false;
- return t;
- } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough
- state.strikethrough = true;
- if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
- return getType(state);
- }
- } else if (ch === ' ') {
- if (stream.match(/^~~/, true)) { // Probably surrounded by space
- if (stream.peek() === ' ') { // Surrounded by spaces, ignore
- return getType(state);
- } else { // Not surrounded by spaces, back up pointer
- stream.backUp(2);
- }
- }
- }
- }
-
- if (ch === ' ') {
- if (stream.match(/ +$/, false)) {
- state.trailingSpace++;
- } else if (state.trailingSpace) {
- state.trailingSpaceNewLine = true;
- }
- }
-
- return getType(state);
- }
-
- function linkInline(stream, state) {
- var ch = stream.next();
-
- if (ch === ">") {
- state.f = state.inline = inlineNormal;
- if (modeCfg.highlightFormatting) state.formatting = "link";
- var type = getType(state);
- if (type){
- type += " ";
- } else {
- type = "";
- }
- return type + linkinline;
- }
-
- stream.match(/^[^>]+/, true);
-
- return linkinline;
- }
-
- function linkHref(stream, state) {
- // Check if space, and return NULL if so (to avoid marking the space)
- if(stream.eatSpace()){
- return null;
- }
- var ch = stream.next();
- if (ch === '(' || ch === '[') {
- state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]");
- if (modeCfg.highlightFormatting) state.formatting = "link-string";
- state.linkHref = true;
- return getType(state);
- }
- return 'error';
- }
-
- function getLinkHrefInside(endChar) {
- return function(stream, state) {
- var ch = stream.next();
-
- if (ch === endChar) {
- state.f = state.inline = inlineNormal;
- if (modeCfg.highlightFormatting) state.formatting = "link-string";
- var returnState = getType(state);
- state.linkHref = false;
- return returnState;
- }
-
- if (stream.match(inlineRE(endChar), true)) {
- stream.backUp(1);
- }
-
- state.linkHref = true;
- return getType(state);
- };
- }
-
- function footnoteLink(stream, state) {
- if (stream.match(/^[^\]]*\]:/, false)) {
- state.f = footnoteLinkInside;
- stream.next(); // Consume [
- if (modeCfg.highlightFormatting) state.formatting = "link";
- state.linkText = true;
- return getType(state);
- }
- return switchInline(stream, state, inlineNormal);
- }
-
- function footnoteLinkInside(stream, state) {
- if (stream.match(/^\]:/, true)) {
- state.f = state.inline = footnoteUrl;
- if (modeCfg.highlightFormatting) state.formatting = "link";
- var returnType = getType(state);
- state.linkText = false;
- return returnType;
- }
-
- stream.match(/^[^\]]+/, true);
-
- return linktext;
- }
-
- function footnoteUrl(stream, state) {
- // Check if space, and return NULL if so (to avoid marking the space)
- if(stream.eatSpace()){
- return null;
- }
- // Match URL
- stream.match(/^[^\s]+/, true);
- // Check for link title
- if (stream.peek() === undefined) { // End of line, set flag to check next line
- state.linkTitle = true;
- } else { // More content on line, check if link title
- stream.match(/^(?:\s+(?:"(?:[^"\\]|\\\\|\\.)+"|'(?:[^'\\]|\\\\|\\.)+'|\((?:[^)\\]|\\\\|\\.)+\)))?/, true);
- }
- state.f = state.inline = inlineNormal;
- return linkhref + " url";
- }
-
- var savedInlineRE = [];
- function inlineRE(endChar) {
- if (!savedInlineRE[endChar]) {
- // Escape endChar for RegExp (taken from http://stackoverflow.com/a/494122/526741)
- endChar = (endChar+'').replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
- // Match any non-endChar, escaped character, as well as the closing
- // endChar.
- savedInlineRE[endChar] = new RegExp('^(?:[^\\\\]|\\\\.)*?(' + endChar + ')');
- }
- return savedInlineRE[endChar];
- }
-
- var mode = {
- startState: function() {
- return {
- f: blockNormal,
-
- prevLine: null,
- thisLine: null,
-
- block: blockNormal,
- htmlState: null,
- indentation: 0,
-
- inline: inlineNormal,
- text: handleText,
-
- formatting: false,
- linkText: false,
- linkHref: false,
- linkTitle: false,
- em: false,
- strong: false,
- header: 0,
- hr: false,
- taskList: false,
- list: false,
- listDepth: 0,
- quote: 0,
- trailingSpace: 0,
- trailingSpaceNewLine: false,
- strikethrough: false,
- fencedChars: null
- };
- },
-
- copyState: function(s) {
- return {
- f: s.f,
-
- prevLine: s.prevLine,
- thisLine: s.this,
-
- block: s.block,
- htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState),
- indentation: s.indentation,
-
- localMode: s.localMode,
- localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null,
-
- inline: s.inline,
- text: s.text,
- formatting: false,
- linkTitle: s.linkTitle,
- code: s.code,
- em: s.em,
- strong: s.strong,
- strikethrough: s.strikethrough,
- header: s.header,
- hr: s.hr,
- taskList: s.taskList,
- list: s.list,
- listDepth: s.listDepth,
- quote: s.quote,
- indentedCode: s.indentedCode,
- trailingSpace: s.trailingSpace,
- trailingSpaceNewLine: s.trailingSpaceNewLine,
- md_inside: s.md_inside,
- fencedChars: s.fencedChars
- };
- },
-
- token: function(stream, state) {
-
- // Reset state.formatting
- state.formatting = false;
-
- if (stream != state.thisLine) {
- var forceBlankLine = state.header || state.hr;
-
- // Reset state.header and state.hr
- state.header = 0;
- state.hr = false;
-
- if (stream.match(/^\s*$/, true) || forceBlankLine) {
- blankLine(state);
- if (!forceBlankLine) return null
- state.prevLine = null
- }
-
- state.prevLine = state.thisLine
- state.thisLine = stream
-
- // Reset state.taskList
- state.taskList = false;
-
- // Reset state.trailingSpace
- state.trailingSpace = 0;
- state.trailingSpaceNewLine = false;
-
- state.f = state.block;
- var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, ' ').length;
- var difference = Math.floor((indentation - state.indentation) / 4) * 4;
- if (difference > 4) difference = 4;
- var adjustedIndentation = state.indentation + difference;
- state.indentationDiff = adjustedIndentation - state.indentation;
- state.indentation = adjustedIndentation;
- if (indentation > 0) return null;
- }
- return state.f(stream, state);
- },
-
- innerMode: function(state) {
- if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode};
- if (state.localState) return {state: state.localState, mode: state.localMode};
- return {state: state, mode: mode};
- },
-
- blankLine: blankLine,
-
- getType: getType,
-
- fold: "markdown"
- };
- return mode;
-}, "xml");
-
-CodeMirror.defineMIME("text/x-markdown", "markdown");
-
-});
diff --git a/src/js/codemirror/overlay.js b/src/js/codemirror/overlay.js
deleted file mode 100644
index e1b9ed3..0000000
--- a/src/js/codemirror/overlay.js
+++ /dev/null
@@ -1,85 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-// Utility function that allows modes to be combined. The mode given
-// as the base argument takes care of most of the normal mode
-// functionality, but a second (typically simple) mode is used, which
-// can override the style of text. Both modes get to parse all of the
-// text, but when both assign a non-null style to a piece of code, the
-// overlay wins, unless the combine argument was true and not overridden,
-// or state.overlay.combineTokens was true, in which case the styles are
-// combined.
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.overlayMode = function(base, overlay, combine) {
- return {
- startState: function() {
- return {
- base: CodeMirror.startState(base),
- overlay: CodeMirror.startState(overlay),
- basePos: 0, baseCur: null,
- overlayPos: 0, overlayCur: null,
- streamSeen: null
- };
- },
- copyState: function(state) {
- return {
- base: CodeMirror.copyState(base, state.base),
- overlay: CodeMirror.copyState(overlay, state.overlay),
- basePos: state.basePos, baseCur: null,
- overlayPos: state.overlayPos, overlayCur: null
- };
- },
-
- token: function(stream, state) {
- if (stream != state.streamSeen ||
- Math.min(state.basePos, state.overlayPos) < stream.start) {
- state.streamSeen = stream;
- state.basePos = state.overlayPos = stream.start;
- }
-
- if (stream.start == state.basePos) {
- state.baseCur = base.token(stream, state.base);
- state.basePos = stream.pos;
- }
- if (stream.start == state.overlayPos) {
- stream.pos = stream.start;
- state.overlayCur = overlay.token(stream, state.overlay);
- state.overlayPos = stream.pos;
- }
- stream.pos = Math.min(state.basePos, state.overlayPos);
-
- // state.overlay.combineTokens always takes precedence over combine,
- // unless set to null
- if (state.overlayCur == null) return state.baseCur;
- else if (state.baseCur != null &&
- state.overlay.combineTokens ||
- combine && state.overlay.combineTokens == null)
- return state.baseCur + " " + state.overlayCur;
- else return state.overlayCur;
- },
-
- indent: base.indent && function(state, textAfter) {
- return base.indent(state.base, textAfter);
- },
- electricChars: base.electricChars,
-
- innerMode: function(state) { return {state: state.base, mode: base}; },
-
- blankLine: function(state) {
- if (base.blankLine) base.blankLine(state.base);
- if (overlay.blankLine) overlay.blankLine(state.overlay);
- }
- };
-};
-
-});
diff --git a/src/js/codemirror/tablist.js b/src/js/codemirror/tablist.js
deleted file mode 100644
index 930e58b..0000000
--- a/src/js/codemirror/tablist.js
+++ /dev/null
@@ -1,53 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
- "use strict";
-
- CodeMirror.commands.tabAndIndentMarkdownList = function(cm) {
- var ranges = cm.listSelections();
- var pos = ranges[0].head;
- var eolState = cm.getStateAfter(pos.line);
- var inList = eolState.list !== false;
-
- if (inList) {
- cm.execCommand('indentMore');
- return;
- }
-
- if(cm.options.indentWithTabs){
- cm.execCommand('insertTab');
- }
- else{
- var spaces = Array(cm.options.tabSize + 1).join(" ");
- cm.replaceSelection(spaces);
- }
- };
-
- CodeMirror.commands.shiftTabAndUnindentMarkdownList = function(cm) {
- var ranges = cm.listSelections();
- var pos = ranges[0].head;
- var eolState = cm.getStateAfter(pos.line);
- var inList = eolState.list !== false;
-
- if (inList) {
- cm.execCommand('indentLess');
- return;
- }
-
- if(cm.options.indentWithTabs){
- cm.execCommand('insertTab');
- }
- else{
- var spaces = Array(cm.options.tabSize + 1).join(" ");
- cm.replaceSelection(spaces);
- }
- };
-});
\ No newline at end of file
diff --git a/src/js/codemirror/xml.js b/src/js/codemirror/xml.js
deleted file mode 100644
index 5ad2172..0000000
--- a/src/js/codemirror/xml.js
+++ /dev/null
@@ -1,385 +0,0 @@
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-
-(function(mod) {
- if (typeof exports == "object" && typeof module == "object") // CommonJS
- mod(require("../../lib/codemirror"));
- else if (typeof define == "function" && define.amd) // AMD
- define(["../../lib/codemirror"], mod);
- else // Plain browser env
- mod(CodeMirror);
-})(function(CodeMirror) {
-"use strict";
-
-CodeMirror.defineMode("xml", function(config, parserConfig) {
- var indentUnit = config.indentUnit;
- var multilineTagIndentFactor = parserConfig.multilineTagIndentFactor || 1;
- var multilineTagIndentPastTag = parserConfig.multilineTagIndentPastTag;
- if (multilineTagIndentPastTag == null) multilineTagIndentPastTag = true;
-
- var Kludges = parserConfig.htmlMode ? {
- autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
- 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
- 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
- 'track': true, 'wbr': true, 'menuitem': true},
- implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
- 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
- 'th': true, 'tr': true},
- contextGrabbers: {
- 'dd': {'dd': true, 'dt': true},
- 'dt': {'dd': true, 'dt': true},
- 'li': {'li': true},
- 'option': {'option': true, 'optgroup': true},
- 'optgroup': {'optgroup': true},
- 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
- 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
- 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
- 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
- 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
- 'rp': {'rp': true, 'rt': true},
- 'rt': {'rp': true, 'rt': true},
- 'tbody': {'tbody': true, 'tfoot': true},
- 'td': {'td': true, 'th': true},
- 'tfoot': {'tbody': true},
- 'th': {'td': true, 'th': true},
- 'thead': {'tbody': true, 'tfoot': true},
- 'tr': {'tr': true}
- },
- doNotIndent: {"pre": true},
- allowUnquoted: true,
- allowMissing: true,
- caseFold: true
- } : {
- autoSelfClosers: {},
- implicitlyClosed: {},
- contextGrabbers: {},
- doNotIndent: {},
- allowUnquoted: false,
- allowMissing: false,
- caseFold: false
- };
- var alignCDATA = parserConfig.alignCDATA;
-
- // Return variables for tokenizers
- var type, setStyle;
-
- function inText(stream, state) {
- function chain(parser) {
- state.tokenize = parser;
- return parser(stream, state);
- }
-
- var ch = stream.next();
- if (ch == "<") {
- if (stream.eat("!")) {
- if (stream.eat("[")) {
- if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
- else return null;
- } else if (stream.match("--")) {
- return chain(inBlock("comment", "-->"));
- } else if (stream.match("DOCTYPE", true, true)) {
- stream.eatWhile(/[\w\._\-]/);
- return chain(doctype(1));
- } else {
- return null;
- }
- } else if (stream.eat("?")) {
- stream.eatWhile(/[\w\._\-]/);
- state.tokenize = inBlock("meta", "?>");
- return "meta";
- } else {
- type = stream.eat("/") ? "closeTag" : "openTag";
- state.tokenize = inTag;
- return "tag bracket";
- }
- } else if (ch == "&") {
- var ok;
- if (stream.eat("#")) {
- if (stream.eat("x")) {
- ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
- } else {
- ok = stream.eatWhile(/[\d]/) && stream.eat(";");
- }
- } else {
- ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
- }
- return ok ? "atom" : "error";
- } else {
- stream.eatWhile(/[^&<]/);
- return null;
- }
- }
- inText.isInText = true;
-
- function inTag(stream, state) {
- var ch = stream.next();
- if (ch == ">" || (ch == "/" && stream.eat(">"))) {
- state.tokenize = inText;
- type = ch == ">" ? "endTag" : "selfcloseTag";
- return "tag bracket";
- } else if (ch == "=") {
- type = "equals";
- return null;
- } else if (ch == "<") {
- state.tokenize = inText;
- state.state = baseState;
- state.tagName = state.tagStart = null;
- var next = state.tokenize(stream, state);
- return next ? next + " tag error" : "tag error";
- } else if (/[\'\"]/.test(ch)) {
- state.tokenize = inAttribute(ch);
- state.stringStartCol = stream.column();
- return state.tokenize(stream, state);
- } else {
- stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
- return "word";
- }
- }
-
- function inAttribute(quote) {
- var closure = function(stream, state) {
- while (!stream.eol()) {
- if (stream.next() == quote) {
- state.tokenize = inTag;
- break;
- }
- }
- return "string";
- };
- closure.isInAttribute = true;
- return closure;
- }
-
- function inBlock(style, terminator) {
- return function(stream, state) {
- while (!stream.eol()) {
- if (stream.match(terminator)) {
- state.tokenize = inText;
- break;
- }
- stream.next();
- }
- return style;
- };
- }
- function doctype(depth) {
- return function(stream, state) {
- var ch;
- while ((ch = stream.next()) != null) {
- if (ch == "<") {
- state.tokenize = doctype(depth + 1);
- return state.tokenize(stream, state);
- } else if (ch == ">") {
- if (depth == 1) {
- state.tokenize = inText;
- break;
- } else {
- state.tokenize = doctype(depth - 1);
- return state.tokenize(stream, state);
- }
- }
- }
- return "meta";
- };
- }
-
- function Context(state, tagName, startOfLine) {
- this.prev = state.context;
- this.tagName = tagName;
- this.indent = state.indented;
- this.startOfLine = startOfLine;
- if (Kludges.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
- this.noIndent = true;
- }
- function popContext(state) {
- if (state.context) state.context = state.context.prev;
- }
- function maybePopContext(state, nextTagName) {
- var parentTagName;
- while (true) {
- if (!state.context) {
- return;
- }
- parentTagName = state.context.tagName;
- if (!Kludges.contextGrabbers.hasOwnProperty(parentTagName) ||
- !Kludges.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
- return;
- }
- popContext(state);
- }
- }
-
- function baseState(type, stream, state) {
- if (type == "openTag") {
- state.tagStart = stream.column();
- return tagNameState;
- } else if (type == "closeTag") {
- return closeTagNameState;
- } else {
- return baseState;
- }
- }
- function tagNameState(type, stream, state) {
- if (type == "word") {
- state.tagName = stream.current();
- setStyle = "tag";
- return attrState;
- } else {
- setStyle = "error";
- return tagNameState;
- }
- }
- function closeTagNameState(type, stream, state) {
- if (type == "word") {
- var tagName = stream.current();
- if (state.context && state.context.tagName != tagName &&
- Kludges.implicitlyClosed.hasOwnProperty(state.context.tagName))
- popContext(state);
- if (state.context && state.context.tagName == tagName) {
- setStyle = "tag";
- return closeState;
- } else {
- setStyle = "tag error";
- return closeStateErr;
- }
- } else {
- setStyle = "error";
- return closeStateErr;
- }
- }
-
- function closeState(type, _stream, state) {
- if (type != "endTag") {
- setStyle = "error";
- return closeState;
- }
- popContext(state);
- return baseState;
- }
- function closeStateErr(type, stream, state) {
- setStyle = "error";
- return closeState(type, stream, state);
- }
-
- function attrState(type, _stream, state) {
- if (type == "word") {
- setStyle = "attribute";
- return attrEqState;
- } else if (type == "endTag" || type == "selfcloseTag") {
- var tagName = state.tagName, tagStart = state.tagStart;
- state.tagName = state.tagStart = null;
- if (type == "selfcloseTag" ||
- Kludges.autoSelfClosers.hasOwnProperty(tagName)) {
- maybePopContext(state, tagName);
- } else {
- maybePopContext(state, tagName);
- state.context = new Context(state, tagName, tagStart == state.indented);
- }
- return baseState;
- }
- setStyle = "error";
- return attrState;
- }
- function attrEqState(type, stream, state) {
- if (type == "equals") return attrValueState;
- if (!Kludges.allowMissing) setStyle = "error";
- return attrState(type, stream, state);
- }
- function attrValueState(type, stream, state) {
- if (type == "string") return attrContinuedState;
- if (type == "word" && Kludges.allowUnquoted) {setStyle = "string"; return attrState;}
- setStyle = "error";
- return attrState(type, stream, state);
- }
- function attrContinuedState(type, stream, state) {
- if (type == "string") return attrContinuedState;
- return attrState(type, stream, state);
- }
-
- return {
- startState: function() {
- return {tokenize: inText,
- state: baseState,
- indented: 0,
- tagName: null, tagStart: null,
- context: null};
- },
-
- token: function(stream, state) {
- if (!state.tagName && stream.sol())
- state.indented = stream.indentation();
-
- if (stream.eatSpace()) return null;
- type = null;
- var style = state.tokenize(stream, state);
- if ((style || type) && style != "comment") {
- setStyle = null;
- state.state = state.state(type || style, stream, state);
- if (setStyle)
- style = setStyle == "error" ? style + " error" : setStyle;
- }
- return style;
- },
-
- indent: function(state, textAfter, fullLine) {
- var context = state.context;
- // Indent multi-line strings (e.g. css).
- if (state.tokenize.isInAttribute) {
- if (state.tagStart == state.indented)
- return state.stringStartCol + 1;
- else
- return state.indented + indentUnit;
- }
- if (context && context.noIndent) return CodeMirror.Pass;
- if (state.tokenize != inTag && state.tokenize != inText)
- return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
- // Indent the starts of attribute names.
- if (state.tagName) {
- if (multilineTagIndentPastTag)
- return state.tagStart + state.tagName.length + 2;
- else
- return state.tagStart + indentUnit * multilineTagIndentFactor;
- }
- if (alignCDATA && /$/,
- blockCommentStart: "",
-
- configuration: parserConfig.htmlMode ? "html" : "xml",
- helperType: parserConfig.htmlMode ? "html" : "xml"
- };
-});
-
-CodeMirror.defineMIME("text/xml", "xml");
-CodeMirror.defineMIME("application/xml", "xml");
-if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
- CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
-
-});
diff --git a/src/js/marked.js b/src/js/marked.js
deleted file mode 100644
index 03251f3..0000000
--- a/src/js/marked.js
+++ /dev/null
@@ -1,1285 +0,0 @@
-/**
- * marked - a markdown parser
- * Copyright (c) 2011-2014, Christopher Jeffrey. (MIT Licensed)
- * https://github.com/chjj/marked
- */
-
-;(function() {
-
-/**
- * Block-Level Grammar
- */
-
-var block = {
- newline: /^\n+/,
- code: /^( {4}[^\n]+\n*)+/,
- fences: noop,
- hr: /^( *[-*_]){3,} *(?:\n+|$)/,
- heading: /^ *(#{1,6}) *([^\n]+?) *#* *(?:\n+|$)/,
- nptable: noop,
- lheading: /^([^\n]+)\n *(=|-){2,} *(?:\n+|$)/,
- blockquote: /^( *>[^\n]+(\n(?!def)[^\n]+)*\n*)+/,
- list: /^( *)(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
- html: /^ *(?:comment *(?:\n|\s*$)|closed *(?:\n{2,}|\s*$)|closing *(?:\n{2,}|\s*$))/,
- def: /^ *\[([^\]]+)\]: *([^\s>]+)>?(?: +["(]([^\n]+)[")])? *(?:\n+|$)/,
- table: noop,
- paragraph: /^((?:[^\n]+\n?(?!hr|heading|lheading|blockquote|tag|def))+)\n*/,
- text: /^[^\n]+/
-};
-
-block.bullet = /(?:[*+-]|\d+\.)/;
-block.item = /^( *)(bull) [^\n]*(?:\n(?!\1bull )[^\n]*)*/;
-block.item = replace(block.item, 'gm')
- (/bull/g, block.bullet)
- ();
-
-block.list = replace(block.list)
- (/bull/g, block.bullet)
- ('hr', '\\n+(?=\\1?(?:[-*_] *){3,}(?:\\n+|$))')
- ('def', '\\n+(?=' + block.def.source + ')')
- ();
-
-block.blockquote = replace(block.blockquote)
- ('def', block.def)
- ();
-
-block._tag = '(?!(?:'
- + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code'
- + '|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo'
- + '|span|br|wbr|ins|del|img)\\b)\\w+(?!:/|[^\\w\\s@]*@)\\b';
-
-block.html = replace(block.html)
- ('comment', //)
- ('closed', /<(tag)[\s\S]+?<\/\1>/)
- ('closing', /])*?>/)
- (/tag/g, block._tag)
- ();
-
-block.paragraph = replace(block.paragraph)
- ('hr', block.hr)
- ('heading', block.heading)
- ('lheading', block.lheading)
- ('blockquote', block.blockquote)
- ('tag', '<' + block._tag)
- ('def', block.def)
- ();
-
-/**
- * Normal Block Grammar
- */
-
-block.normal = merge({}, block);
-
-/**
- * GFM Block Grammar
- */
-
-block.gfm = merge({}, block.normal, {
- fences: /^ *(`{3,}|~{3,})[ \.]*(\S+)? *\n([\s\S]*?)\s*\1 *(?:\n+|$)/,
- paragraph: /^/,
- heading: /^ *(#{1,6}) +([^\n]+?) *#* *(?:\n+|$)/
-});
-
-block.gfm.paragraph = replace(block.paragraph)
- ('(?!', '(?!'
- + block.gfm.fences.source.replace('\\1', '\\2') + '|'
- + block.list.source.replace('\\1', '\\3') + '|')
- ();
-
-/**
- * GFM + Tables Block Grammar
- */
-
-block.tables = merge({}, block.gfm, {
- nptable: /^ *(\S.*\|.*)\n *([-:]+ *\|[-| :]*)\n((?:.*\|.*(?:\n|$))*)\n*/,
- table: /^ *\|(.+)\n *\|( *[-:]+[-| :]*)\n((?: *\|.*(?:\n|$))*)\n*/
-});
-
-/**
- * Block Lexer
- */
-
-function Lexer(options) {
- this.tokens = [];
- this.tokens.links = {};
- this.options = options || marked.defaults;
- this.rules = block.normal;
-
- if (this.options.gfm) {
- if (this.options.tables) {
- this.rules = block.tables;
- } else {
- this.rules = block.gfm;
- }
- }
-}
-
-/**
- * Expose Block Rules
- */
-
-Lexer.rules = block;
-
-/**
- * Static Lex Method
- */
-
-Lexer.lex = function(src, options) {
- var lexer = new Lexer(options);
- return lexer.lex(src);
-};
-
-/**
- * Preprocessing
- */
-
-Lexer.prototype.lex = function(src) {
- src = src
- .replace(/\r\n|\r/g, '\n')
- .replace(/\t/g, ' ')
- .replace(/\u00a0/g, ' ')
- .replace(/\u2424/g, '\n');
-
- return this.token(src, true);
-};
-
-/**
- * Lexing
- */
-
-Lexer.prototype.token = function(src, top, bq) {
- var src = src.replace(/^ +$/gm, '')
- , next
- , loose
- , cap
- , bull
- , b
- , item
- , space
- , i
- , l;
-
- while (src) {
- // newline
- if (cap = this.rules.newline.exec(src)) {
- src = src.substring(cap[0].length);
- if (cap[0].length > 1) {
- this.tokens.push({
- type: 'space'
- });
- }
- }
-
- // code
- if (cap = this.rules.code.exec(src)) {
- src = src.substring(cap[0].length);
- cap = cap[0].replace(/^ {4}/gm, '');
- this.tokens.push({
- type: 'code',
- text: !this.options.pedantic
- ? cap.replace(/\n+$/, '')
- : cap
- });
- continue;
- }
-
- // fences (gfm)
- if (cap = this.rules.fences.exec(src)) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'code',
- lang: cap[2],
- text: cap[3] || ''
- });
- continue;
- }
-
- // heading
- if (cap = this.rules.heading.exec(src)) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'heading',
- depth: cap[1].length,
- text: cap[2]
- });
- continue;
- }
-
- // table no leading pipe (gfm)
- if (top && (cap = this.rules.nptable.exec(src))) {
- src = src.substring(cap[0].length);
-
- item = {
- type: 'table',
- header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
- align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
- cells: cap[3].replace(/\n$/, '').split('\n')
- };
-
- for (i = 0; i < item.align.length; i++) {
- if (/^ *-+: *$/.test(item.align[i])) {
- item.align[i] = 'right';
- } else if (/^ *:-+: *$/.test(item.align[i])) {
- item.align[i] = 'center';
- } else if (/^ *:-+ *$/.test(item.align[i])) {
- item.align[i] = 'left';
- } else {
- item.align[i] = null;
- }
- }
-
- for (i = 0; i < item.cells.length; i++) {
- item.cells[i] = item.cells[i].split(/ *\| */);
- }
-
- this.tokens.push(item);
-
- continue;
- }
-
- // lheading
- if (cap = this.rules.lheading.exec(src)) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'heading',
- depth: cap[2] === '=' ? 1 : 2,
- text: cap[1]
- });
- continue;
- }
-
- // hr
- if (cap = this.rules.hr.exec(src)) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'hr'
- });
- continue;
- }
-
- // blockquote
- if (cap = this.rules.blockquote.exec(src)) {
- src = src.substring(cap[0].length);
-
- this.tokens.push({
- type: 'blockquote_start'
- });
-
- cap = cap[0].replace(/^ *> ?/gm, '');
-
- // Pass `top` to keep the current
- // "toplevel" state. This is exactly
- // how markdown.pl works.
- this.token(cap, top, true);
-
- this.tokens.push({
- type: 'blockquote_end'
- });
-
- continue;
- }
-
- // list
- if (cap = this.rules.list.exec(src)) {
- src = src.substring(cap[0].length);
- bull = cap[2];
-
- this.tokens.push({
- type: 'list_start',
- ordered: bull.length > 1
- });
-
- // Get each top-level item.
- cap = cap[0].match(this.rules.item);
-
- next = false;
- l = cap.length;
- i = 0;
-
- for (; i < l; i++) {
- item = cap[i];
-
- // Remove the list item's bullet
- // so it is seen as the next token.
- space = item.length;
- item = item.replace(/^ *([*+-]|\d+\.) +/, '');
-
- // Outdent whatever the
- // list item contains. Hacky.
- if (~item.indexOf('\n ')) {
- space -= item.length;
- item = !this.options.pedantic
- ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
- : item.replace(/^ {1,4}/gm, '');
- }
-
- // Determine whether the next list item belongs here.
- // Backpedal if it does not belong in this list.
- if (this.options.smartLists && i !== l - 1) {
- b = block.bullet.exec(cap[i + 1])[0];
- if (bull !== b && !(bull.length > 1 && b.length > 1)) {
- src = cap.slice(i + 1).join('\n') + src;
- i = l - 1;
- }
- }
-
- // Determine whether item is loose or not.
- // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
- // for discount behavior.
- loose = next || /\n\n(?!\s*$)/.test(item);
- if (i !== l - 1) {
- next = item.charAt(item.length - 1) === '\n';
- if (!loose) loose = next;
- }
-
- this.tokens.push({
- type: loose
- ? 'loose_item_start'
- : 'list_item_start'
- });
-
- // Recurse.
- this.token(item, false, bq);
-
- this.tokens.push({
- type: 'list_item_end'
- });
- }
-
- this.tokens.push({
- type: 'list_end'
- });
-
- continue;
- }
-
- // html
- if (cap = this.rules.html.exec(src)) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: this.options.sanitize
- ? 'paragraph'
- : 'html',
- pre: !this.options.sanitizer
- && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
- text: cap[0]
- });
- continue;
- }
-
- // def
- if ((!bq && top) && (cap = this.rules.def.exec(src))) {
- src = src.substring(cap[0].length);
- this.tokens.links[cap[1].toLowerCase()] = {
- href: cap[2],
- title: cap[3]
- };
- continue;
- }
-
- // table (gfm)
- if (top && (cap = this.rules.table.exec(src))) {
- src = src.substring(cap[0].length);
-
- item = {
- type: 'table',
- header: cap[1].replace(/^ *| *\| *$/g, '').split(/ *\| */),
- align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
- cells: cap[3].replace(/(?: *\| *)?\n$/, '').split('\n')
- };
-
- for (i = 0; i < item.align.length; i++) {
- if (/^ *-+: *$/.test(item.align[i])) {
- item.align[i] = 'right';
- } else if (/^ *:-+: *$/.test(item.align[i])) {
- item.align[i] = 'center';
- } else if (/^ *:-+ *$/.test(item.align[i])) {
- item.align[i] = 'left';
- } else {
- item.align[i] = null;
- }
- }
-
- for (i = 0; i < item.cells.length; i++) {
- item.cells[i] = item.cells[i]
- .replace(/^ *\| *| *\| *$/g, '')
- .split(/ *\| */);
- }
-
- this.tokens.push(item);
-
- continue;
- }
-
- // top-level paragraph
- if (top && (cap = this.rules.paragraph.exec(src))) {
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'paragraph',
- text: cap[1].charAt(cap[1].length - 1) === '\n'
- ? cap[1].slice(0, -1)
- : cap[1]
- });
- continue;
- }
-
- // text
- if (cap = this.rules.text.exec(src)) {
- // Top-level should never reach here.
- src = src.substring(cap[0].length);
- this.tokens.push({
- type: 'text',
- text: cap[0]
- });
- continue;
- }
-
- if (src) {
- throw new
- Error('Infinite loop on byte: ' + src.charCodeAt(0));
- }
- }
-
- return this.tokens;
-};
-
-/**
- * Inline-Level Grammar
- */
-
-var inline = {
- escape: /^\\([\\`*{}\[\]()#+\-.!_>])/,
- autolink: /^<([^ >]+(@|:\/)[^ >]+)>/,
- url: noop,
- tag: /^|^<\/?\w+(?:"[^"]*"|'[^']*'|[^'">])*?>/,
- link: /^!?\[(inside)\]\(href\)/,
- reflink: /^!?\[(inside)\]\s*\[([^\]]*)\]/,
- nolink: /^!?\[((?:\[[^\]]*\]|[^\[\]])*)\]/,
- strong: /^__([\s\S]+?)__(?!_)|^\*\*([\s\S]+?)\*\*(?!\*)/,
- em: /^\b_((?:[^_]|__)+?)_\b|^\*((?:\*\*|[\s\S])+?)\*(?!\*)/,
- code: /^(`+)\s*([\s\S]*?[^`])\s*\1(?!`)/,
- br: /^ {2,}\n(?!\s*$)/,
- del: noop,
- text: /^[\s\S]+?(?=[\\?(?:\s+['"]([\s\S]*?)['"])?\s*/;
-
-inline.link = replace(inline.link)
- ('inside', inline._inside)
- ('href', inline._href)
- ();
-
-inline.reflink = replace(inline.reflink)
- ('inside', inline._inside)
- ();
-
-/**
- * Normal Inline Grammar
- */
-
-inline.normal = merge({}, inline);
-
-/**
- * Pedantic Inline Grammar
- */
-
-inline.pedantic = merge({}, inline.normal, {
- strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
- em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/
-});
-
-/**
- * GFM Inline Grammar
- */
-
-inline.gfm = merge({}, inline.normal, {
- escape: replace(inline.escape)('])', '~|])')(),
- url: /^(https?:\/\/[^\s<]+[^<.,:;"')\]\s])/,
- del: /^~~(?=\S)([\s\S]*?\S)~~/,
- text: replace(inline.text)
- (']|', '~]|')
- ('|', '|https?://|')
- ()
-});
-
-/**
- * GFM + Line Breaks Inline Grammar
- */
-
-inline.breaks = merge({}, inline.gfm, {
- br: replace(inline.br)('{2,}', '*')(),
- text: replace(inline.gfm.text)('{2,}', '*')()
-});
-
-/**
- * Inline Lexer & Compiler
- */
-
-function InlineLexer(links, options) {
- this.options = options || marked.defaults;
- this.links = links;
- this.rules = inline.normal;
- this.renderer = this.options.renderer || new Renderer;
- this.renderer.options = this.options;
-
- if (!this.links) {
- throw new
- Error('Tokens array requires a `links` property.');
- }
-
- if (this.options.gfm) {
- if (this.options.breaks) {
- this.rules = inline.breaks;
- } else {
- this.rules = inline.gfm;
- }
- } else if (this.options.pedantic) {
- this.rules = inline.pedantic;
- }
-}
-
-/**
- * Expose Inline Rules
- */
-
-InlineLexer.rules = inline;
-
-/**
- * Static Lexing/Compiling Method
- */
-
-InlineLexer.output = function(src, links, options) {
- var inline = new InlineLexer(links, options);
- return inline.output(src);
-};
-
-/**
- * Lexing/Compiling
- */
-
-InlineLexer.prototype.output = function(src) {
- var out = ''
- , link
- , text
- , href
- , cap;
-
- while (src) {
- // escape
- if (cap = this.rules.escape.exec(src)) {
- src = src.substring(cap[0].length);
- out += cap[1];
- continue;
- }
-
- // autolink
- if (cap = this.rules.autolink.exec(src)) {
- src = src.substring(cap[0].length);
- if (cap[2] === '@') {
- text = cap[1].charAt(6) === ':'
- ? this.mangle(cap[1].substring(7))
- : this.mangle(cap[1]);
- href = this.mangle('mailto:') + text;
- } else {
- text = escape(cap[1]);
- href = text;
- }
- out += this.renderer.link(href, null, text);
- continue;
- }
-
- // url (gfm)
- if (!this.inLink && (cap = this.rules.url.exec(src))) {
- src = src.substring(cap[0].length);
- text = escape(cap[1]);
- href = text;
- out += this.renderer.link(href, null, text);
- continue;
- }
-
- // tag
- if (cap = this.rules.tag.exec(src)) {
- if (!this.inLink && /^/i.test(cap[0])) {
- this.inLink = false;
- }
- src = src.substring(cap[0].length);
- out += this.options.sanitize
- ? this.options.sanitizer
- ? this.options.sanitizer(cap[0])
- : escape(cap[0])
- : cap[0]
- continue;
- }
-
- // link
- if (cap = this.rules.link.exec(src)) {
- src = src.substring(cap[0].length);
- this.inLink = true;
- out += this.outputLink(cap, {
- href: cap[2],
- title: cap[3]
- });
- this.inLink = false;
- continue;
- }
-
- // reflink, nolink
- if ((cap = this.rules.reflink.exec(src))
- || (cap = this.rules.nolink.exec(src))) {
- src = src.substring(cap[0].length);
- link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
- link = this.links[link.toLowerCase()];
- if (!link || !link.href) {
- out += cap[0].charAt(0);
- src = cap[0].substring(1) + src;
- continue;
- }
- this.inLink = true;
- out += this.outputLink(cap, link);
- this.inLink = false;
- continue;
- }
-
- // strong
- if (cap = this.rules.strong.exec(src)) {
- src = src.substring(cap[0].length);
- out += this.renderer.strong(this.output(cap[2] || cap[1]));
- continue;
- }
-
- // em
- if (cap = this.rules.em.exec(src)) {
- src = src.substring(cap[0].length);
- out += this.renderer.em(this.output(cap[2] || cap[1]));
- continue;
- }
-
- // code
- if (cap = this.rules.code.exec(src)) {
- src = src.substring(cap[0].length);
- out += this.renderer.codespan(escape(cap[2], true));
- continue;
- }
-
- // br
- if (cap = this.rules.br.exec(src)) {
- src = src.substring(cap[0].length);
- out += this.renderer.br();
- continue;
- }
-
- // del (gfm)
- if (cap = this.rules.del.exec(src)) {
- src = src.substring(cap[0].length);
- out += this.renderer.del(this.output(cap[1]));
- continue;
- }
-
- // text
- if (cap = this.rules.text.exec(src)) {
- src = src.substring(cap[0].length);
- out += this.renderer.text(escape(this.smartypants(cap[0])));
- continue;
- }
-
- if (src) {
- throw new
- Error('Infinite loop on byte: ' + src.charCodeAt(0));
- }
- }
-
- return out;
-};
-
-/**
- * Compile Link
- */
-
-InlineLexer.prototype.outputLink = function(cap, link) {
- var href = escape(link.href)
- , title = link.title ? escape(link.title) : null;
-
- return cap[0].charAt(0) !== '!'
- ? this.renderer.link(href, title, this.output(cap[1]))
- : this.renderer.image(href, title, escape(cap[1]));
-};
-
-/**
- * Smartypants Transformations
- */
-
-InlineLexer.prototype.smartypants = function(text) {
- if (!this.options.smartypants) return text;
- return text
- // em-dashes
- .replace(/---/g, '\u2014')
- // en-dashes
- .replace(/--/g, '\u2013')
- // opening singles
- .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
- // closing singles & apostrophes
- .replace(/'/g, '\u2019')
- // opening doubles
- .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
- // closing doubles
- .replace(/"/g, '\u201d')
- // ellipses
- .replace(/\.{3}/g, '\u2026');
-};
-
-/**
- * Mangle Links
- */
-
-InlineLexer.prototype.mangle = function(text) {
- if (!this.options.mangle) return text;
- var out = ''
- , l = text.length
- , i = 0
- , ch;
-
- for (; i < l; i++) {
- ch = text.charCodeAt(i);
- if (Math.random() > 0.5) {
- ch = 'x' + ch.toString(16);
- }
- out += '' + ch + ';';
- }
-
- return out;
-};
-
-/**
- * Renderer
- */
-
-function Renderer(options) {
- this.options = options || {};
-}
-
-Renderer.prototype.code = function(code, lang, escaped) {
- if (this.options.highlight) {
- var out = this.options.highlight(code, lang);
- if (out != null && out !== code) {
- escaped = true;
- code = out;
- }
- }
-
- if (!lang) {
- return ''
- + (escaped ? code : escape(code, true))
- + '\n
';
- }
-
- return ''
- + (escaped ? code : escape(code, true))
- + '\n
\n';
-};
-
-Renderer.prototype.blockquote = function(quote) {
- return '\n' + quote + '
\n';
-};
-
-Renderer.prototype.html = function(html) {
- return html;
-};
-
-Renderer.prototype.heading = function(text, level, raw) {
- return '\n';
-};
-
-Renderer.prototype.hr = function() {
- return this.options.xhtml ? '
\n' : '
\n';
-};
-
-Renderer.prototype.list = function(body, ordered) {
- var type = ordered ? 'ol' : 'ul';
- return '<' + type + '>\n' + body + '' + type + '>\n';
-};
-
-Renderer.prototype.listitem = function(text) {
- return '' + text + '\n';
-};
-
-Renderer.prototype.paragraph = function(text) {
- return '' + text + '
\n';
-};
-
-Renderer.prototype.table = function(header, body) {
- return '\n'
- + '\n'
- + header
- + '\n'
- + '\n'
- + body
- + '\n'
- + '
\n';
-};
-
-Renderer.prototype.tablerow = function(content) {
- return '\n' + content + '
\n';
-};
-
-Renderer.prototype.tablecell = function(content, flags) {
- var type = flags.header ? 'th' : 'td';
- var tag = flags.align
- ? '<' + type + ' style="text-align:' + flags.align + '">'
- : '<' + type + '>';
- return tag + content + '' + type + '>\n';
-};
-
-// span level renderer
-Renderer.prototype.strong = function(text) {
- return '' + text + '';
-};
-
-Renderer.prototype.em = function(text) {
- return '' + text + '';
-};
-
-Renderer.prototype.codespan = function(text) {
- return '' + text + '
';
-};
-
-Renderer.prototype.br = function() {
- return this.options.xhtml ? '
' : '
';
-};
-
-Renderer.prototype.del = function(text) {
- return '' + text + '';
-};
-
-Renderer.prototype.link = function(href, title, text) {
- if (this.options.sanitize) {
- try {
- var prot = decodeURIComponent(unescape(href))
- .replace(/[^\w:]/g, '')
- .toLowerCase();
- } catch (e) {
- return '';
- }
- if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0) {
- return '';
- }
- }
- var out = '' + text + '';
- return out;
-};
-
-Renderer.prototype.image = function(href, title, text) {
- var out = '' : '>';
- return out;
-};
-
-Renderer.prototype.text = function(text) {
- return text;
-};
-
-/**
- * Parsing & Compiling
- */
-
-function Parser(options) {
- this.tokens = [];
- this.token = null;
- this.options = options || marked.defaults;
- this.options.renderer = this.options.renderer || new Renderer;
- this.renderer = this.options.renderer;
- this.renderer.options = this.options;
-}
-
-/**
- * Static Parse Method
- */
-
-Parser.parse = function(src, options, renderer) {
- var parser = new Parser(options, renderer);
- return parser.parse(src);
-};
-
-/**
- * Parse Loop
- */
-
-Parser.prototype.parse = function(src) {
- this.inline = new InlineLexer(src.links, this.options, this.renderer);
- this.tokens = src.reverse();
-
- var out = '';
- while (this.next()) {
- out += this.tok();
- }
-
- return out;
-};
-
-/**
- * Next Token
- */
-
-Parser.prototype.next = function() {
- return this.token = this.tokens.pop();
-};
-
-/**
- * Preview Next Token
- */
-
-Parser.prototype.peek = function() {
- return this.tokens[this.tokens.length - 1] || 0;
-};
-
-/**
- * Parse Text Tokens
- */
-
-Parser.prototype.parseText = function() {
- var body = this.token.text;
-
- while (this.peek().type === 'text') {
- body += '\n' + this.next().text;
- }
-
- return this.inline.output(body);
-};
-
-/**
- * Parse Current Token
- */
-
-Parser.prototype.tok = function() {
- switch (this.token.type) {
- case 'space': {
- return '';
- }
- case 'hr': {
- return this.renderer.hr();
- }
- case 'heading': {
- return this.renderer.heading(
- this.inline.output(this.token.text),
- this.token.depth,
- this.token.text);
- }
- case 'code': {
- return this.renderer.code(this.token.text,
- this.token.lang,
- this.token.escaped);
- }
- case 'table': {
- var header = ''
- , body = ''
- , i
- , row
- , cell
- , flags
- , j;
-
- // header
- cell = '';
- for (i = 0; i < this.token.header.length; i++) {
- flags = { header: true, align: this.token.align[i] };
- cell += this.renderer.tablecell(
- this.inline.output(this.token.header[i]),
- { header: true, align: this.token.align[i] }
- );
- }
- header += this.renderer.tablerow(cell);
-
- for (i = 0; i < this.token.cells.length; i++) {
- row = this.token.cells[i];
-
- cell = '';
- for (j = 0; j < row.length; j++) {
- cell += this.renderer.tablecell(
- this.inline.output(row[j]),
- { header: false, align: this.token.align[j] }
- );
- }
-
- body += this.renderer.tablerow(cell);
- }
- return this.renderer.table(header, body);
- }
- case 'blockquote_start': {
- var body = '';
-
- while (this.next().type !== 'blockquote_end') {
- body += this.tok();
- }
-
- return this.renderer.blockquote(body);
- }
- case 'list_start': {
- var body = ''
- , ordered = this.token.ordered;
-
- while (this.next().type !== 'list_end') {
- body += this.tok();
- }
-
- return this.renderer.list(body, ordered);
- }
- case 'list_item_start': {
- var body = '';
-
- while (this.next().type !== 'list_item_end') {
- body += this.token.type === 'text'
- ? this.parseText()
- : this.tok();
- }
-
- return this.renderer.listitem(body);
- }
- case 'loose_item_start': {
- var body = '';
-
- while (this.next().type !== 'list_item_end') {
- body += this.tok();
- }
-
- return this.renderer.listitem(body);
- }
- case 'html': {
- var html = !this.token.pre && !this.options.pedantic
- ? this.inline.output(this.token.text)
- : this.token.text;
- return this.renderer.html(html);
- }
- case 'paragraph': {
- return this.renderer.paragraph(this.inline.output(this.token.text));
- }
- case 'text': {
- return this.renderer.paragraph(this.parseText());
- }
- }
-};
-
-/**
- * Helpers
- */
-
-function escape(html, encode) {
- return html
- .replace(!encode ? /&(?!#?\w+;)/g : /&/g, '&')
- .replace(//g, '>')
- .replace(/"/g, '"')
- .replace(/'/g, ''');
-}
-
-function unescape(html) {
- return html.replace(/&([#\w]+);/g, function(_, n) {
- n = n.toLowerCase();
- if (n === 'colon') return ':';
- if (n.charAt(0) === '#') {
- return n.charAt(1) === 'x'
- ? String.fromCharCode(parseInt(n.substring(2), 16))
- : String.fromCharCode(+n.substring(1));
- }
- return '';
- });
-}
-
-function replace(regex, opt) {
- regex = regex.source;
- opt = opt || '';
- return function self(name, val) {
- if (!name) return new RegExp(regex, opt);
- val = val.source || val;
- val = val.replace(/(^|[^\[])\^/g, '$1');
- regex = regex.replace(name, val);
- return self;
- };
-}
-
-function noop() {}
-noop.exec = noop;
-
-function merge(obj) {
- var i = 1
- , target
- , key;
-
- for (; i < arguments.length; i++) {
- target = arguments[i];
- for (key in target) {
- if (Object.prototype.hasOwnProperty.call(target, key)) {
- obj[key] = target[key];
- }
- }
- }
-
- return obj;
-}
-
-
-/**
- * Marked
- */
-
-function marked(src, opt, callback) {
- if (callback || typeof opt === 'function') {
- if (!callback) {
- callback = opt;
- opt = null;
- }
-
- opt = merge({}, marked.defaults, opt || {});
-
- var highlight = opt.highlight
- , tokens
- , pending
- , i = 0;
-
- try {
- tokens = Lexer.lex(src, opt)
- } catch (e) {
- return callback(e);
- }
-
- pending = tokens.length;
-
- var done = function(err) {
- if (err) {
- opt.highlight = highlight;
- return callback(err);
- }
-
- var out;
-
- try {
- out = Parser.parse(tokens, opt);
- } catch (e) {
- err = e;
- }
-
- opt.highlight = highlight;
-
- return err
- ? callback(err)
- : callback(null, out);
- };
-
- if (!highlight || highlight.length < 3) {
- return done();
- }
-
- delete opt.highlight;
-
- if (!pending) return done();
-
- for (; i < tokens.length; i++) {
- (function(token) {
- if (token.type !== 'code') {
- return --pending || done();
- }
- return highlight(token.text, token.lang, function(err, code) {
- if (err) return done(err);
- if (code == null || code === token.text) {
- return --pending || done();
- }
- token.text = code;
- token.escaped = true;
- --pending || done();
- });
- })(tokens[i]);
- }
-
- return;
- }
- try {
- if (opt) opt = merge({}, marked.defaults, opt);
- return Parser.parse(Lexer.lex(src, opt), opt);
- } catch (e) {
- e.message += '\nPlease report this to https://github.com/chjj/marked.';
- if ((opt || marked.defaults).silent) {
- return 'An error occured:
'
- + escape(e.message + '', true)
- + '
';
- }
- throw e;
- }
-}
-
-/**
- * Options
- */
-
-marked.options =
-marked.setOptions = function(opt) {
- merge(marked.defaults, opt);
- return marked;
-};
-
-marked.defaults = {
- gfm: true,
- tables: true,
- breaks: false,
- pedantic: false,
- sanitize: false,
- sanitizer: null,
- mangle: true,
- smartLists: false,
- silent: false,
- highlight: null,
- langPrefix: 'lang-',
- smartypants: false,
- headerPrefix: '',
- renderer: new Renderer,
- xhtml: false
-};
-
-/**
- * Expose
- */
-
-marked.Parser = Parser;
-marked.parser = Parser.parse;
-
-marked.Renderer = Renderer;
-
-marked.Lexer = Lexer;
-marked.lexer = Lexer.lex;
-
-marked.InlineLexer = InlineLexer;
-marked.inlineLexer = InlineLexer.output;
-
-marked.parse = marked;
-
-if (typeof module !== 'undefined' && typeof exports === 'object') {
- module.exports = marked;
-} else if (typeof define === 'function' && define.amd) {
- define(function() { return marked; });
-} else {
- this.marked = marked;
-}
-
-}).call(function() {
- return this || (typeof window !== 'undefined' ? window : global);
-}());
diff --git a/src/js/simplemde.js b/src/js/simplemde.js
index 48c55e7..5cbbe41 100644
--- a/src/js/simplemde.js
+++ b/src/js/simplemde.js
@@ -1,17 +1,30 @@
+/*global require,module*/
+"use strict";
+var CodeMirror = require("codemirror");
+require("codemirror/addon/edit/continuelist.js");
+require("codemirror/addon/display/fullscreen.js");
+require("codemirror/mode/gfm/gfm.js");
+require("codemirror/mode/markdown/markdown.js");
+require("codemirror/addon/mode/overlay.js");
+require("codemirror/mode/xml/xml.js");
+require("marked");
+require("codemirror-spell-checker/src/js/spell-checker.js");
+require("codemirror-spell-checker/src/js/typo.js");
+
var isMac = /Mac/.test(navigator.platform);
var shortcuts = {
- 'Cmd-B': toggleBold,
- 'Cmd-I': toggleItalic,
- 'Cmd-K': drawLink,
- 'Cmd-H': toggleHeadingSmaller,
- 'Shift-Cmd-H': toggleHeadingBigger,
- 'Cmd-Alt-I': drawImage,
+ "Cmd-B": toggleBold,
+ "Cmd-I": toggleItalic,
+ "Cmd-K": drawLink,
+ "Cmd-H": toggleHeadingSmaller,
+ "Shift-Cmd-H": toggleHeadingBigger,
+ "Cmd-Alt-I": drawImage,
"Cmd-'": toggleBlockquote,
- 'Cmd-Alt-L': toggleOrderedList,
- 'Cmd-L': toggleUnorderedList,
- 'Cmd-Alt-C': toggleCodeBlock,
- 'Cmd-P': togglePreview,
+ "Cmd-Alt-L": toggleOrderedList,
+ "Cmd-L": toggleUnorderedList,
+ "Cmd-Alt-C": toggleCodeBlock,
+ "Cmd-P": togglePreview
};
@@ -20,9 +33,9 @@ var shortcuts = {
*/
function fixShortcut(name) {
if(isMac) {
- name = name.replace('Ctrl', 'Cmd');
+ name = name.replace("Ctrl", "Cmd");
} else {
- name = name.replace('Cmd', 'Ctrl');
+ name = name.replace("Cmd", "Ctrl");
}
return name;
}
@@ -33,15 +46,15 @@ function fixShortcut(name) {
*/
function createIcon(options, enableTooltips) {
options = options || {};
- var el = document.createElement('a');
+ var el = document.createElement("a");
enableTooltips = (enableTooltips == undefined) ? true : enableTooltips;
if(options.title && enableTooltips) {
el.title = options.title;
if(isMac) {
- el.title = el.title.replace('Ctrl', '⌘');
- el.title = el.title.replace('Alt', '⌥');
+ el.title = el.title.replace("Ctrl", "⌘");
+ el.title = el.title.replace("Alt", "⌥");
}
}
@@ -50,9 +63,9 @@ function createIcon(options, enableTooltips) {
}
function createSep() {
- el = document.createElement('i');
- el.className = 'separator';
- el.innerHTML = '|';
+ var el = document.createElement("i");
+ el.className = "separator";
+ el.innerHTML = "|";
return el;
}
@@ -61,34 +74,34 @@ function createSep() {
* The state of CodeMirror at the given position.
*/
function getState(cm, pos) {
- pos = pos || cm.getCursor('start');
+ pos = pos || cm.getCursor("start");
var stat = cm.getTokenAt(pos);
if(!stat.type) return {};
- var types = stat.type.split(' ');
+ var types = stat.type.split(" ");
var ret = {},
data, text;
for(var i = 0; i < types.length; i++) {
data = types[i];
- if(data === 'strong') {
+ if(data === "strong") {
ret.bold = true;
- } else if(data === 'variable-2') {
+ } else if(data === "variable-2") {
text = cm.getLine(pos.line);
if(/^\s*\d+\.\s/.test(text)) {
- ret['ordered-list'] = true;
+ ret["ordered-list"] = true;
} else {
- ret['unordered-list'] = true;
+ ret["unordered-list"] = true;
}
- } else if(data === 'atom') {
+ } else if(data === "atom") {
ret.quote = true;
- } else if(data === 'em') {
+ } else if(data === "em") {
ret.italic = true;
- } else if(data === 'quote') {
+ } else if(data === "quote") {
ret.quote = true;
- } else if(data === 'strikethrough') {
+ } else if(data === "strikethrough") {
ret.strikethrough = true;
- } else if(data === 'comment') {
+ } else if(data === "comment") {
ret.code = true;
}
}
@@ -133,7 +146,7 @@ function toggleFullScreen(editor) {
if(!/active/.test(toolbarButton.className)) {
toolbarButton.className += " active";
} else {
- toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, '');
+ toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, "");
}
@@ -148,7 +161,7 @@ function toggleFullScreen(editor) {
* Action for toggling bold.
*/
function toggleBold(editor) {
- _toggleBlock(editor, 'bold', '**');
+ _toggleBlock(editor, "bold", "**");
}
@@ -156,7 +169,7 @@ function toggleBold(editor) {
* Action for toggling italic.
*/
function toggleItalic(editor) {
- _toggleBlock(editor, 'italic', '*');
+ _toggleBlock(editor, "italic", "*");
}
@@ -164,14 +177,14 @@ function toggleItalic(editor) {
* Action for toggling strikethrough.
*/
function toggleStrikethrough(editor) {
- _toggleBlock(editor, 'strikethrough', '~~');
+ _toggleBlock(editor, "strikethrough", "~~");
}
/**
* Action for toggling code block.
*/
function toggleCodeBlock(editor) {
- _toggleBlock(editor, 'code', '```\r\n', '\r\n```');
+ _toggleBlock(editor, "code", "```\r\n", "\r\n```");
}
/**
@@ -179,7 +192,7 @@ function toggleCodeBlock(editor) {
*/
function toggleBlockquote(editor) {
var cm = editor.codemirror;
- _toggleLine(cm, 'quote');
+ _toggleLine(cm, "quote");
}
/**
@@ -187,7 +200,7 @@ function toggleBlockquote(editor) {
*/
function toggleHeadingSmaller(editor) {
var cm = editor.codemirror;
- _toggleHeading(cm, 'smaller');
+ _toggleHeading(cm, "smaller");
}
/**
@@ -195,7 +208,7 @@ function toggleHeadingSmaller(editor) {
*/
function toggleHeadingBigger(editor) {
var cm = editor.codemirror;
- _toggleHeading(cm, 'bigger');
+ _toggleHeading(cm, "bigger");
}
/**
@@ -228,7 +241,7 @@ function toggleHeading3(editor) {
*/
function toggleUnorderedList(editor) {
var cm = editor.codemirror;
- _toggleLine(cm, 'unordered-list');
+ _toggleLine(cm, "unordered-list");
}
@@ -237,7 +250,7 @@ function toggleUnorderedList(editor) {
*/
function toggleOrderedList(editor) {
var cm = editor.codemirror;
- _toggleLine(cm, 'ordered-list');
+ _toggleLine(cm, "ordered-list");
}
@@ -247,7 +260,7 @@ function toggleOrderedList(editor) {
function drawLink(editor) {
var cm = editor.codemirror;
var stat = getState(cm);
- _replaceSelection(cm, stat.link, '[', '](http://)');
+ _replaceSelection(cm, stat.link, "[", "](http://)");
}
@@ -257,7 +270,7 @@ function drawLink(editor) {
function drawImage(editor) {
var cm = editor.codemirror;
var stat = getState(cm);
- _replaceSelection(cm, stat.image, '![](http://', ')');
+ _replaceSelection(cm, stat.image, "![](http://", ")");
}
@@ -267,7 +280,7 @@ function drawImage(editor) {
function drawHorizontalRule(editor) {
var cm = editor.codemirror;
var stat = getState(cm);
- _replaceSelection(cm, stat.image, '', '\n\n-----\n\n');
+ _replaceSelection(cm, stat.image, "", "\n\n-----\n\n");
}
@@ -297,16 +310,15 @@ function redo(editor) {
function toggleSideBySide(editor) {
var cm = editor.codemirror;
var wrapper = cm.getWrapperElement();
- var code = wrapper.firstChild;
var preview = wrapper.nextSibling;
var toolbarButton = editor.toolbarElements["side-by-side"];
if(/editor-preview-active-side/.test(preview.className)) {
preview.className = preview.className.replace(
- /\s*editor-preview-active-side\s*/g, ''
+ /\s*editor-preview-active-side\s*/g, ""
);
- toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, '');
- wrapper.className = wrapper.className.replace(/\s*CodeMirror-sided\s*/g, ' ');
+ toolbarButton.className = toolbarButton.className.replace(/\s*active\s*/g, "");
+ wrapper.className = wrapper.className.replace(/\s*CodeMirror-sided\s*/g, " ");
} else {
/* When the preview button is clicked for the first time,
* give some time for the transition from editor.css to fire and the view to slide from right to left,
@@ -315,29 +327,29 @@ function toggleSideBySide(editor) {
setTimeout(function() {
if(!cm.getOption("fullScreen"))
toggleFullScreen(editor);
- preview.className += ' editor-preview-active-side'
+ preview.className += " editor-preview-active-side";
}, 1);
- toolbarButton.className += ' active';
- wrapper.className += ' CodeMirror-sided';
+ toolbarButton.className += " active";
+ wrapper.className += " CodeMirror-sided";
}
// Hide normal preview if active
var previewNormal = wrapper.lastChild;
if(/editor-preview-active/.test(previewNormal.className)) {
previewNormal.className = previewNormal.className.replace(
- /\s*editor-preview-active\s*/g, ''
+ /\s*editor-preview-active\s*/g, ""
);
var toolbar = editor.toolbarElements.preview;
var toolbar_div = wrapper.previousSibling;
- toolbar.className = toolbar.className.replace(/\s*active\s*/g, '');
- toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, '');
+ toolbar.className = toolbar.className.replace(/\s*active\s*/g, "");
+ toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, "");
}
// Start preview with the current text
preview.innerHTML = editor.options.previewRender(editor.value(), preview);
// Updates preview
- cm.on('update', function() {
+ cm.on("update", function() {
preview.innerHTML = editor.options.previewRender(editor.value(), preview);
});
}
@@ -353,26 +365,26 @@ function togglePreview(editor) {
var toolbar = editor.toolbarElements.preview;
var preview = wrapper.lastChild;
if(!preview || !/editor-preview/.test(preview.className)) {
- preview = document.createElement('div');
- preview.className = 'editor-preview';
+ preview = document.createElement("div");
+ preview.className = "editor-preview";
wrapper.appendChild(preview);
}
if(/editor-preview-active/.test(preview.className)) {
preview.className = preview.className.replace(
- /\s*editor-preview-active\s*/g, ''
+ /\s*editor-preview-active\s*/g, ""
);
- toolbar.className = toolbar.className.replace(/\s*active\s*/g, '');
- toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, '');
+ toolbar.className = toolbar.className.replace(/\s*active\s*/g, "");
+ toolbar_div.className = toolbar_div.className.replace(/\s*disabled-for-preview*/g, "");
} else {
/* When the preview button is clicked for the first time,
* give some time for the transition from editor.css to fire and the view to slide from right to left,
* instead of just appearing.
*/
setTimeout(function() {
- preview.className += ' editor-preview-active'
+ preview.className += " editor-preview-active";
}, 1);
- toolbar.className += ' active';
- toolbar_div.className += ' disabled-for-preview';
+ toolbar.className += " active";
+ toolbar_div.className += " disabled-for-preview";
}
preview.innerHTML = editor.options.previewRender(editor.value(), preview);
@@ -387,8 +399,8 @@ function _replaceSelection(cm, active, start, end) {
return;
var text;
- var startPoint = cm.getCursor('start');
- var endPoint = cm.getCursor('end');
+ var startPoint = cm.getCursor("start");
+ var endPoint = cm.getCursor("end");
if(active) {
text = cm.getLine(startPoint.line);
start = text.slice(0, startPoint.ch);
@@ -415,8 +427,8 @@ function _toggleHeading(cm, direction, size) {
if(/editor-preview-active/.test(cm.getWrapperElement().lastChild.className))
return;
- var startPoint = cm.getCursor('start');
- var endPoint = cm.getCursor('end');
+ var startPoint = cm.getCursor("start");
+ var endPoint = cm.getCursor("end");
for(var i = startPoint.line; i <= endPoint.line; i++) {
(function(i) {
var text = cm.getLine(i);
@@ -424,46 +436,46 @@ function _toggleHeading(cm, direction, size) {
if(direction !== undefined) {
if(currHeadingLevel <= 0) {
- if(direction == 'bigger') {
- text = '###### ' + text;
+ if(direction == "bigger") {
+ text = "###### " + text;
} else {
- text = '# ' + text;
+ text = "# " + text;
}
- } else if(currHeadingLevel == 6 && direction == 'smaller') {
+ } else if(currHeadingLevel == 6 && direction == "smaller") {
text = text.substr(7);
- } else if(currHeadingLevel == 1 && direction == 'bigger') {
+ } else if(currHeadingLevel == 1 && direction == "bigger") {
text = text.substr(2);
} else {
- if(direction == 'bigger') {
+ if(direction == "bigger") {
text = text.substr(1);
} else {
- text = '#' + text;
+ text = "#" + text;
}
}
} else {
if(size == 1) {
if(currHeadingLevel <= 0) {
- text = '# ' + text;
+ text = "# " + text;
} else if(currHeadingLevel == size) {
text = text.substr(currHeadingLevel + 1);
} else {
- text = '# ' + text.substr(currHeadingLevel + 1);
+ text = "# " + text.substr(currHeadingLevel + 1);
}
} else if(size == 2) {
if(currHeadingLevel <= 0) {
- text = '## ' + text;
+ text = "## " + text;
} else if(currHeadingLevel == size) {
text = text.substr(currHeadingLevel + 1);
} else {
- text = '## ' + text.substr(currHeadingLevel + 1);
+ text = "## " + text.substr(currHeadingLevel + 1);
}
} else {
if(currHeadingLevel <= 0) {
- text = '### ' + text;
+ text = "### " + text;
} else if(currHeadingLevel == size) {
text = text.substr(currHeadingLevel + 1);
} else {
- text = '### ' + text.substr(currHeadingLevel + 1);
+ text = "### " + text.substr(currHeadingLevel + 1);
}
}
}
@@ -486,23 +498,23 @@ function _toggleLine(cm, name) {
return;
var stat = getState(cm);
- var startPoint = cm.getCursor('start');
- var endPoint = cm.getCursor('end');
+ var startPoint = cm.getCursor("start");
+ var endPoint = cm.getCursor("end");
var repl = {
- 'quote': /^(\s*)\>\s+/,
- 'unordered-list': /^(\s*)(\*|\-|\+)\s+/,
- 'ordered-list': /^(\s*)\d+\.\s+/
+ "quote": /^(\s*)\>\s+/,
+ "unordered-list": /^(\s*)(\*|\-|\+)\s+/,
+ "ordered-list": /^(\s*)\d+\.\s+/
};
var map = {
- 'quote': '> ',
- 'unordered-list': '* ',
- 'ordered-list': '1. '
+ "quote": "> ",
+ "unordered-list": "* ",
+ "ordered-list": "1. "
};
for(var i = startPoint.line; i <= endPoint.line; i++) {
(function(i) {
var text = cm.getLine(i);
if(stat[name]) {
- text = text.replace(repl[name], '$1');
+ text = text.replace(repl[name], "$1");
} else {
text = map[name] + text;
}
@@ -522,7 +534,7 @@ function _toggleBlock(editor, type, start_chars, end_chars) {
if(/editor-preview-active/.test(editor.codemirror.getWrapperElement().lastChild.className))
return;
- end_chars = (typeof end_chars === 'undefined') ? start_chars : end_chars;
+ end_chars = (typeof end_chars === "undefined") ? start_chars : end_chars;
var cm = editor.codemirror;
var stat = getState(cm);
@@ -530,8 +542,8 @@ function _toggleBlock(editor, type, start_chars, end_chars) {
var start = start_chars;
var end = end_chars;
- var startPoint = cm.getCursor('start');
- var endPoint = cm.getCursor('end');
+ var startPoint = cm.getCursor("start");
+ var endPoint = cm.getCursor("end");
if(stat[type]) {
text = cm.getLine(startPoint.line);
@@ -610,125 +622,124 @@ var toolbarBuiltInButtons = {
name: "bold",
action: toggleBold,
className: "fa fa-bold",
- title: "Bold (Ctrl+B)",
+ title: "Bold (Ctrl+B)"
},
"italic": {
name: "italic",
action: toggleItalic,
className: "fa fa-italic",
- title: "Italic (Ctrl+I)",
+ title: "Italic (Ctrl+I)"
},
"strikethrough": {
name: "strikethrough",
action: toggleStrikethrough,
className: "fa fa-strikethrough",
- title: "Strikethrough",
+ title: "Strikethrough"
},
"heading": {
name: "heading",
action: toggleHeadingSmaller,
className: "fa fa-header",
- title: "Heading (Ctrl+H)",
+ title: "Heading (Ctrl+H)"
},
"heading-smaller": {
name: "heading-smaller",
action: toggleHeadingSmaller,
className: "fa fa-header fa-header-x fa-header-smaller",
- title: "Smaller Heading (Ctrl+H)",
+ title: "Smaller Heading (Ctrl+H)"
},
"heading-bigger": {
name: "heading-bigger",
action: toggleHeadingBigger,
className: "fa fa-header fa-header-x fa-header-bigger",
- title: "Bigger Heading (Shift+Ctrl+H)",
+ title: "Bigger Heading (Shift+Ctrl+H)"
},
"heading-1": {
name: "heading-1",
action: toggleHeading1,
className: "fa fa-header fa-header-x fa-header-1",
- title: "Big Heading",
+ title: "Big Heading"
},
"heading-2": {
name: "heading-2",
action: toggleHeading2,
className: "fa fa-header fa-header-x fa-header-2",
- title: "Medium Heading",
+ title: "Medium Heading"
},
"heading-3": {
name: "heading-3",
action: toggleHeading3,
className: "fa fa-header fa-header-x fa-header-3",
- title: "Small Heading",
+ title: "Small Heading"
},
"code": {
name: "code",
action: toggleCodeBlock,
className: "fa fa-code",
- title: "Code (Ctrl+Alt+C)",
+ title: "Code (Ctrl+Alt+C)"
},
"quote": {
name: "quote",
action: toggleBlockquote,
className: "fa fa-quote-left",
- title: "Quote (Ctrl+')",
+ title: "Quote (Ctrl+')"
},
"unordered-list": {
name: "unordered-list",
action: toggleUnorderedList,
className: "fa fa-list-ul",
- title: "Generic List (Ctrl+L)",
+ title: "Generic List (Ctrl+L)"
},
"ordered-list": {
name: "ordered-list",
action: toggleOrderedList,
className: "fa fa-list-ol",
- title: "Numbered List (Ctrl+Alt+L)",
+ title: "Numbered List (Ctrl+Alt+L)"
},
"link": {
name: "link",
action: drawLink,
className: "fa fa-link",
- title: "Create Link (Ctrl+K)",
+ title: "Create Link (Ctrl+K)"
},
"image": {
name: "image",
action: drawImage,
className: "fa fa-picture-o",
- title: "Insert Image (Ctrl+Alt+I)",
+ title: "Insert Image (Ctrl+Alt+I)"
},
"horizontal-rule": {
name: "horizontal-rule",
action: drawHorizontalRule,
className: "fa fa-minus",
- title: "Insert Horizontal Line",
+ title: "Insert Horizontal Line"
},
"preview": {
name: "preview",
action: togglePreview,
className: "fa fa-eye no-disable",
- title: "Toggle Preview (Ctrl+P)",
+ title: "Toggle Preview (Ctrl+P)"
},
"side-by-side": {
name: "side-by-side",
action: toggleSideBySide,
className: "fa fa-columns no-disable no-mobile",
- title: "Toggle Side by Side (F9)",
+ title: "Toggle Side by Side (F9)"
},
"fullscreen": {
name: "fullscreen",
action: toggleFullScreen,
className: "fa fa-arrows-alt no-disable no-mobile",
- title: "Toggle Fullscreen (F11)",
+ title: "Toggle Fullscreen (F11)"
},
"guide": {
name: "guide",
action: "http://nextstepwebs.github.io/simplemde-markdown-editor/markdown-guide",
className: "fa fa-question-circle",
- title: "Markdown Guide",
+ title: "Markdown Guide"
}
};
-var toolbar = ["bold", "italic", "heading", "|", "quote", "unordered-list", "ordered-list", "|", "link", "image", "|", "preview", "side-by-side", "fullscreen", "guide"];
/**
* Interface of SimpleMDE.
@@ -738,7 +749,7 @@ function SimpleMDE(options) {
options = options || {};
- // Used later to refer to it's parent
+ // Used later to refer to it"s parent
options.parent = this;
@@ -783,17 +794,17 @@ function SimpleMDE(options) {
if(options.toolbar !== false)
options.toolbar = options.toolbar || SimpleMDE.toolbar;
- if(!options.hasOwnProperty('status')) {
- options.status = ['autosave', 'lines', 'words', 'cursor'];
+ if(!options.hasOwnProperty("status")) {
+ options.status = ["autosave", "lines", "words", "cursor"];
}
// Add default preview rendering function
if(!options.previewRender) {
options.previewRender = function(plainText) {
- // Note: 'this' refers to the options object
+ // Note: "this" refers to the options object
return this.parent.markdown(plainText);
- }
+ };
}
@@ -820,7 +831,7 @@ function SimpleMDE(options) {
/**
* Default toolbar elements.
*/
-SimpleMDE.toolbar = toolbar;
+SimpleMDE.toolbar = ["bold", "italic", "heading", "|", "quote", "unordered-list", "ordered-list", "|", "link", "image", "|", "preview", "side-by-side", "fullscreen", "guide"];
/**
* Default markdown render.
@@ -838,17 +849,17 @@ SimpleMDE.prototype.markdown = function(text) {
if(this.options && this.options.renderingConfig && this.options.renderingConfig.codeSyntaxHighlighting === true && window.hljs) {
markedOptions.highlight = function(code) {
- return hljs.highlightAuto(code).value;
- }
+ return window.hljs.highlightAuto(code).value;
+ };
}
// Set options
- marked.setOptions(markedOptions);
+ window.marked.setOptions(markedOptions);
// Return
- return marked(text);
+ return window.marked(text);
}
};
@@ -857,7 +868,7 @@ SimpleMDE.prototype.markdown = function(text) {
*/
SimpleMDE.prototype.render = function(el) {
if(!el) {
- el = this.element || document.getElementsByTagName('textarea')[0];
+ el = this.element || document.getElementsByTagName("textarea")[0];
}
if(this._rendered && this._rendered === el) {
@@ -873,7 +884,7 @@ SimpleMDE.prototype.render = function(el) {
for(var key in shortcuts) {
(function(key) {
- keyMaps[fixShortcut(key)] = function(cm) {
+ keyMaps[fixShortcut(key)] = function() {
shortcuts[key](self);
};
})(key);
@@ -882,10 +893,10 @@ SimpleMDE.prototype.render = function(el) {
keyMaps["Enter"] = "newlineAndIndentContinueMarkdownList";
keyMaps["Tab"] = "tabAndIndentMarkdownList";
keyMaps["Shift-Tab"] = "shiftTabAndUnindentMarkdownList";
- keyMaps["F11"] = function(cm) {
+ keyMaps["F11"] = function() {
toggleFullScreen(self);
};
- keyMaps["F9"] = function(cm) {
+ keyMaps["F9"] = function() {
toggleSideBySide(self);
};
keyMaps["Esc"] = function(cm) {
@@ -989,40 +1000,40 @@ SimpleMDE.prototype.createSideBySide = function() {
var preview = wrapper.nextSibling;
if(!preview || !/editor-preview-side/.test(preview.className)) {
- preview = document.createElement('div');
- preview.className = 'editor-preview-side';
+ preview = document.createElement("div");
+ preview.className = "editor-preview-side";
wrapper.parentNode.insertBefore(preview, wrapper.nextSibling);
}
// Syncs scroll editor -> preview
var cScroll = false;
var pScroll = false;
- cm.on('scroll', function(v) {
+ cm.on("scroll", function(v) {
if(cScroll) {
cScroll = false;
return;
- };
+ }
pScroll = true;
- height = v.getScrollInfo().height - v.getScrollInfo().clientHeight;
- ratio = parseFloat(v.getScrollInfo().top) / height;
- move = (preview.scrollHeight - preview.clientHeight) * ratio;
+ var height = v.getScrollInfo().height - v.getScrollInfo().clientHeight;
+ var ratio = parseFloat(v.getScrollInfo().top) / height;
+ var move = (preview.scrollHeight - preview.clientHeight) * ratio;
preview.scrollTop = move;
});
// Syncs scroll preview -> editor
- preview.onscroll = function(v) {
+ preview.onscroll = function() {
if(pScroll) {
pScroll = false;
return;
- };
+ }
cScroll = true;
- height = preview.scrollHeight - preview.clientHeight;
- ratio = parseFloat(preview.scrollTop) / height;
- move = (cm.getScrollInfo().height - cm.getScrollInfo().clientHeight) * ratio;
+ var height = preview.scrollHeight - preview.clientHeight;
+ var ratio = parseFloat(preview.scrollTop) / height;
+ var move = (cm.getScrollInfo().height - cm.getScrollInfo().clientHeight) * ratio;
cm.scrollTo(0, move);
};
return true;
-}
+};
SimpleMDE.prototype.createToolbar = function(items) {
items = items || this.options.toolbar;
@@ -1030,23 +1041,22 @@ SimpleMDE.prototype.createToolbar = function(items) {
if(!items || items.length === 0) {
return;
}
-
- for(var i = 0; i < items.length; i++) {
+ var i;
+ for(i = 0; i < items.length; i++) {
if(toolbarBuiltInButtons[items[i]] != undefined) {
items[i] = toolbarBuiltInButtons[items[i]];
}
}
- var bar = document.createElement('div');
- bar.className = 'editor-toolbar';
+ var bar = document.createElement("div");
+ bar.className = "editor-toolbar";
var self = this;
- var el;
var toolbar_data = {};
self.toolbar = items;
- for(var i = 0; i < items.length; i++) {
+ for(i = 0; i < items.length; i++) {
if(items[i].name == "guide" && self.options.toolbarGuideIcon === false)
continue;
@@ -1055,7 +1065,7 @@ SimpleMDE.prototype.createToolbar = function(items) {
(function(item) {
var el;
- if(item === '|') {
+ if(item === "|") {
el = createSep();
} else {
el = createIcon(item, self.options.toolbarTips);
@@ -1063,13 +1073,13 @@ SimpleMDE.prototype.createToolbar = function(items) {
// bind events, special for info
if(item.action) {
- if(typeof item.action === 'function') {
- el.onclick = function(e) {
+ if(typeof item.action === "function") {
+ el.onclick = function() {
item.action(self);
};
- } else if(typeof item.action === 'string') {
+ } else if(typeof item.action === "string") {
el.href = item.action;
- el.target = '_blank';
+ el.target = "_blank";
}
}
toolbar_data[item.name || item] = el;
@@ -1080,16 +1090,16 @@ SimpleMDE.prototype.createToolbar = function(items) {
self.toolbarElements = toolbar_data;
var cm = this.codemirror;
- cm.on('cursorActivity', function() {
+ cm.on("cursorActivity", function() {
var stat = getState(cm);
for(var key in toolbar_data) {
(function(key) {
var el = toolbar_data[key];
if(stat[key]) {
- el.className += ' active';
+ el.className += " active";
} else if(key != "fullscreen" && key != "side-by-side") {
- el.className = el.className.replace(/\s*active\s*/g, '');
+ el.className = el.className.replace(/\s*active\s*/g, "");
}
})(key);
}
@@ -1102,35 +1112,35 @@ SimpleMDE.prototype.createToolbar = function(items) {
SimpleMDE.prototype.createStatusbar = function(status) {
status = status || this.options.status;
- options = this.options;
+ var options = this.options;
if(!status || status.length === 0) return;
- var bar = document.createElement('div');
- bar.className = 'editor-statusbar';
+ var bar = document.createElement("div");
+ bar.className = "editor-statusbar";
var pos, cm = this.codemirror;
for(var i = 0; i < status.length; i++) {
(function(name) {
- var el = document.createElement('span');
+ var el = document.createElement("span");
el.className = name;
- if(name === 'words') {
- el.innerHTML = '0';
- cm.on('update', function() {
+ if(name === "words") {
+ el.innerHTML = "0";
+ cm.on("update", function() {
el.innerHTML = wordCount(cm.getValue());
});
- } else if(name === 'lines') {
- el.innerHTML = '0';
- cm.on('update', function() {
+ } else if(name === "lines") {
+ el.innerHTML = "0";
+ cm.on("update", function() {
el.innerHTML = cm.lineCount();
});
- } else if(name === 'cursor') {
- el.innerHTML = '0:0';
- cm.on('cursorActivity', function() {
+ } else if(name === "cursor") {
+ el.innerHTML = "0:0";
+ cm.on("cursorActivity", function() {
pos = cm.getCursor();
- el.innerHTML = pos.line + ':' + pos.ch;
+ el.innerHTML = pos.line + ":" + pos.ch;
});
- } else if(name === 'autosave') {
+ } else if(name === "autosave") {
if(options.autosave != undefined && options.autosave.enabled === true) {
el.setAttribute("id", "autosaved");
}
@@ -1244,3 +1254,4 @@ SimpleMDE.prototype.toggleSideBySide = function() {
SimpleMDE.prototype.toggleFullScreen = function() {
toggleFullScreen(this);
};
+module.exports = SimpleMDE;
diff --git a/src/js/spell-checker.js b/src/js/spell-checker.js
deleted file mode 100644
index e7c9dc6..0000000
--- a/src/js/spell-checker.js
+++ /dev/null
@@ -1,92 +0,0 @@
-// Initialize data globally to reduce memory consumption
-var num_loaded = 0;
-var aff_loading = false;
-var dic_loading = false;
-var aff_data = "";
-var dic_data = "";
-var typo;
-
-
-CodeMirror.defineMode("spell-checker", function(config, parserConfig) {
- // Load AFF/DIC data
- if(!aff_loading){
- aff_loading = true;
- var xhr_aff = new XMLHttpRequest();
- xhr_aff.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.aff", true);
- xhr_aff.onload = function (e) {
- if (xhr_aff.readyState === 4 && xhr_aff.status === 200) {
- aff_data = xhr_aff.responseText;
- num_loaded++;
-
- if(num_loaded == 2){
- typo = new Typo("en_US", aff_data, dic_data, {
- platform: 'any'
- });
- }
- }
- };
- xhr_aff.send(null);
- }
-
- if(!dic_loading){
- dic_loading = true;
- var xhr_dic = new XMLHttpRequest();
- xhr_dic.open("GET", "https://cdn.jsdelivr.net/codemirror.spell-checker/latest/en_US.dic", true);
- xhr_dic.onload = function (e) {
- if (xhr_dic.readyState === 4 && xhr_dic.status === 200) {
- dic_data = xhr_dic.responseText;
- num_loaded++;
-
- if(num_loaded == 2){
- typo = new Typo("en_US", aff_data, dic_data, {
- platform: 'any'
- });
- }
- }
- };
- xhr_dic.send(null);
- }
-
-
-
- // Define what separates a word
- var rx_word = "!\"#$%&()*+,-./:;<=>?@[\\]^_`{|}~ ";
-
-
- // Create the overlay and such
- var overlay = {
- token: function(stream, state) {
- var ch = stream.peek();
- var word = "";
-
- if(rx_word.includes(ch)) {
- stream.next();
- return null;
- }
-
- while((ch = stream.peek()) != null && !rx_word.includes(ch)) {
- word += ch;
- stream.next();
- }
-
- if(typo && !typo.check(word))
- return "spell-error"; // CSS class: cm-spell-error
-
- return null;
- }
- };
-
- var mode = CodeMirror.getMode(
- config, config.backdrop || "text/plain"
- );
-
- return CodeMirror.overlayMode(mode, overlay, true);
-});
-
-
-// Because some browsers don't support this functionality yet
-if(!String.prototype.includes) {
- String.prototype.includes = function() {'use strict';
- return String.prototype.indexOf.apply(this, arguments) !== -1;
- };
-}
\ No newline at end of file
diff --git a/src/js/typo.js b/src/js/typo.js
deleted file mode 100644
index afd27b1..0000000
--- a/src/js/typo.js
+++ /dev/null
@@ -1,766 +0,0 @@
-'use strict';
-
-/**
- * Typo is a JavaScript implementation of a spellchecker using hunspell-style
- * dictionaries.
- */
-
-/**
- * Typo constructor.
- *
- * @param {String} [dictionary] The locale code of the dictionary being used. e.g.,
- * "en_US". This is only used to auto-load dictionaries.
- * @param {String} [affData] The data from the dictionary's .aff file. If omitted
- * and the first argument is supplied, in "chrome" platform,
- * the .aff file will be loaded automatically from
- * lib/typo/dictionaries/[dictionary]/[dictionary].aff
- * In other platform, it will be loaded from
- * [setting.path]/dictionaries/[dictionary]/[dictionary].aff
- * @param {String} [wordsData] The data from the dictionary's .dic file. If omitted,
- * and the first argument is supplied, in "chrome" platform,
- * the .dic file will be loaded automatically from
- * lib/typo/dictionaries/[dictionary]/[dictionary].dic
- * In other platform, it will be loaded from
- * [setting.path]/dictionaries/[dictionary]/[dictionary].dic
- * @param {Object} [settings] Constructor settings. Available properties are:
- * {String} [platform]: "chrome" for Chrome Extension or other
- * value for the usual web.
- * {String} [dictionaryPath]: path to load dictionary from in non-chrome
- * environment.
- * {Object} [flags]: flag information.
- *
- *
- * @returns {Typo} A Typo object.
- */
-
-var Typo = function (dictionary, affData, wordsData, settings) {
- settings = settings || {};
-
- /** Determines the method used for auto-loading .aff and .dic files. **/
- this.platform = settings.platform || "chrome";
-
- this.dictionary = null;
-
- this.rules = {};
- this.dictionaryTable = {};
-
- this.compoundRules = [];
- this.compoundRuleCodes = {};
-
- this.replacementTable = [];
-
- this.flags = settings.flags || {};
-
- if (dictionary) {
- this.dictionary = dictionary;
-
- if (this.platform == "chrome") {
- if (!affData) affData = this._readFile(chrome.extension.getURL("lib/typo/dictionaries/" + dictionary + "/" + dictionary + ".aff"));
- if (!wordsData) wordsData = this._readFile(chrome.extension.getURL("lib/typo/dictionaries/" + dictionary + "/" + dictionary + ".dic"));
- } else {
- var path = settings.dictionaryPath || '';
-
- if (!affData) affData = this._readFile(path + "/" + dictionary + "/" + dictionary + ".aff");
- if (!wordsData) wordsData = this._readFile(path + "/" + dictionary + "/" + dictionary + ".dic");
- }
-
- this.rules = this._parseAFF(affData);
-
- // Save the rule codes that are used in compound rules.
- this.compoundRuleCodes = {};
-
- for (var i = 0, _len = this.compoundRules.length; i < _len; i++) {
- var rule = this.compoundRules[i];
-
- for (var j = 0, _jlen = rule.length; j < _jlen; j++) {
- this.compoundRuleCodes[rule[j]] = [];
- }
- }
-
- // If we add this ONLYINCOMPOUND flag to this.compoundRuleCodes, then _parseDIC
- // will do the work of saving the list of words that are compound-only.
- if ("ONLYINCOMPOUND" in this.flags) {
- this.compoundRuleCodes[this.flags.ONLYINCOMPOUND] = [];
- }
-
- this.dictionaryTable = this._parseDIC(wordsData);
-
- // Get rid of any codes from the compound rule codes that are never used
- // (or that were special regex characters). Not especially necessary...
- for (var i in this.compoundRuleCodes) {
- if (this.compoundRuleCodes[i].length == 0) {
- delete this.compoundRuleCodes[i];
- }
- }
-
- // Build the full regular expressions for each compound rule.
- // I have a feeling (but no confirmation yet) that this method of
- // testing for compound words is probably slow.
- for (var i = 0, _len = this.compoundRules.length; i < _len; i++) {
- var ruleText = this.compoundRules[i];
-
- var expressionText = "";
-
- for (var j = 0, _jlen = ruleText.length; j < _jlen; j++) {
- var character = ruleText[j];
-
- if (character in this.compoundRuleCodes) {
- expressionText += "(" + this.compoundRuleCodes[character].join("|") + ")";
- }
- else {
- expressionText += character;
- }
- }
-
- this.compoundRules[i] = new RegExp(expressionText, "i");
- }
- }
-
- return this;
-};
-
-Typo.prototype = {
- /**
- * Loads a Typo instance from a hash of all of the Typo properties.
- *
- * @param object obj A hash of Typo properties, probably gotten from a JSON.parse(JSON.stringify(typo_instance)).
- */
-
- load : function (obj) {
- for (var i in obj) {
- this[i] = obj[i];
- }
-
- return this;
- },
-
- /**
- * Read the contents of a file.
- *
- * @param {String} path The path (relative) to the file.
- * @param {String} [charset="ISO8859-1"] The expected charset of the file
- * @returns string The file data.
- */
-
- _readFile : function (path, charset) {
- if (!charset) charset = "ISO8859-1";
-
- var req = new XMLHttpRequest();
- req.open("GET", path, false);
-
- if (req.overrideMimeType)
- req.overrideMimeType("text/plain; charset=" + charset);
-
- req.send(null);
-
- return req.responseText;
- },
-
- /**
- * Parse the rules out from a .aff file.
- *
- * @param {String} data The contents of the affix file.
- * @returns object The rules from the file.
- */
-
- _parseAFF : function (data) {
- var rules = {};
-
- // Remove comment lines
- data = this._removeAffixComments(data);
-
- var lines = data.split("\n");
-
- for (var i = 0, _len = lines.length; i < _len; i++) {
- var line = lines[i];
-
- var definitionParts = line.split(/\s+/);
-
- var ruleType = definitionParts[0];
-
- if (ruleType == "PFX" || ruleType == "SFX") {
- var ruleCode = definitionParts[1];
- var combineable = definitionParts[2];
- var numEntries = parseInt(definitionParts[3], 10);
-
- var entries = [];
-
- for (var j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) {
- var line = lines[j];
-
- var lineParts = line.split(/\s+/);
- var charactersToRemove = lineParts[2];
-
- var additionParts = lineParts[3].split("/");
-
- var charactersToAdd = additionParts[0];
- if (charactersToAdd === "0") charactersToAdd = "";
-
- var continuationClasses = this.parseRuleCodes(additionParts[1]);
-
- var regexToMatch = lineParts[4];
-
- var entry = {};
- entry.add = charactersToAdd;
-
- if (continuationClasses.length > 0) entry.continuationClasses = continuationClasses;
-
- if (regexToMatch !== ".") {
- if (ruleType === "SFX") {
- entry.match = new RegExp(regexToMatch + "$");
- }
- else {
- entry.match = new RegExp("^" + regexToMatch);
- }
- }
-
- if (charactersToRemove != "0") {
- if (ruleType === "SFX") {
- entry.remove = new RegExp(charactersToRemove + "$");
- }
- else {
- entry.remove = charactersToRemove;
- }
- }
-
- entries.push(entry);
- }
-
- rules[ruleCode] = { "type" : ruleType, "combineable" : (combineable == "Y"), "entries" : entries };
-
- i += numEntries;
- }
- else if (ruleType === "COMPOUNDRULE") {
- var numEntries = parseInt(definitionParts[1], 10);
-
- for (var j = i + 1, _jlen = i + 1 + numEntries; j < _jlen; j++) {
- var line = lines[j];
-
- var lineParts = line.split(/\s+/);
- this.compoundRules.push(lineParts[1]);
- }
-
- i += numEntries;
- }
- else if (ruleType === "REP") {
- var lineParts = line.split(/\s+/);
-
- if (lineParts.length === 3) {
- this.replacementTable.push([ lineParts[1], lineParts[2] ]);
- }
- }
- else {
- // ONLYINCOMPOUND
- // COMPOUNDMIN
- // FLAG
- // KEEPCASE
- // NEEDAFFIX
-
- this.flags[ruleType] = definitionParts[1];
- }
- }
-
- return rules;
- },
-
- /**
- * Removes comment lines and then cleans up blank lines and trailing whitespace.
- *
- * @param {String} data The data from an affix file.
- * @return {String} The cleaned-up data.
- */
-
- _removeAffixComments : function (data) {
- // Remove comments
- data = data.replace(/#.*$/mg, "");
-
- // Trim each line
- data = data.replace(/^\s\s*/m, '').replace(/\s\s*$/m, '');
-
- // Remove blank lines.
- data = data.replace(/\n{2,}/g, "\n");
-
- // Trim the entire string
- data = data.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
-
- return data;
- },
-
- /**
- * Parses the words out from the .dic file.
- *
- * @param {String} data The data from the dictionary file.
- * @returns object The lookup table containing all of the words and
- * word forms from the dictionary.
- */
-
- _parseDIC : function (data) {
- data = this._removeDicComments(data);
-
- var lines = data.split("\n");
- var dictionaryTable = {};
-
- function addWord(word, rules) {
- // Some dictionaries will list the same word multiple times with different rule sets.
- if (!(word in dictionaryTable) || typeof dictionaryTable[word] != 'object') {
- dictionaryTable[word] = [];
- }
-
- dictionaryTable[word].push(rules);
- }
-
- // The first line is the number of words in the dictionary.
- for (var i = 1, _len = lines.length; i < _len; i++) {
- var line = lines[i];
-
- var parts = line.split("/", 2);
-
- var word = parts[0];
-
- // Now for each affix rule, generate that form of the word.
- if (parts.length > 1) {
- var ruleCodesArray = this.parseRuleCodes(parts[1]);
-
- // Save the ruleCodes for compound word situations.
- if (!("NEEDAFFIX" in this.flags) || ruleCodesArray.indexOf(this.flags.NEEDAFFIX) == -1) {
- addWord(word, ruleCodesArray);
- }
-
- for (var j = 0, _jlen = ruleCodesArray.length; j < _jlen; j++) {
- var code = ruleCodesArray[j];
-
- var rule = this.rules[code];
-
- if (rule) {
- var newWords = this._applyRule(word, rule);
-
- for (var ii = 0, _iilen = newWords.length; ii < _iilen; ii++) {
- var newWord = newWords[ii];
-
- addWord(newWord, []);
-
- if (rule.combineable) {
- for (var k = j + 1; k < _jlen; k++) {
- var combineCode = ruleCodesArray[k];
-
- var combineRule = this.rules[combineCode];
-
- if (combineRule) {
- if (combineRule.combineable && (rule.type != combineRule.type)) {
- var otherNewWords = this._applyRule(newWord, combineRule);
-
- for (var iii = 0, _iiilen = otherNewWords.length; iii < _iiilen; iii++) {
- var otherNewWord = otherNewWords[iii];
- addWord(otherNewWord, []);
- }
- }
- }
- }
- }
- }
- }
-
- if (code in this.compoundRuleCodes) {
- this.compoundRuleCodes[code].push(word);
- }
- }
- }
- else {
- addWord(word.trim(), []);
- }
- }
-
- return dictionaryTable;
- },
-
-
- /**
- * Removes comment lines and then cleans up blank lines and trailing whitespace.
- *
- * @param {String} data The data from a .dic file.
- * @return {String} The cleaned-up data.
- */
-
- _removeDicComments : function (data) {
- // I can't find any official documentation on it, but at least the de_DE
- // dictionary uses tab-indented lines as comments.
-
- // Remove comments
- data = data.replace(/^\t.*$/mg, "");
-
- return data;
-
- // Trim each line
- data = data.replace(/^\s\s*/m, '').replace(/\s\s*$/m, '');
-
- // Remove blank lines.
- data = data.replace(/\n{2,}/g, "\n");
-
- // Trim the entire string
- data = data.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
-
- return data;
- },
-
- parseRuleCodes : function (textCodes) {
- if (!textCodes) {
- return [];
- }
- else if (!("FLAG" in this.flags)) {
- return textCodes.split("");
- }
- else if (this.flags.FLAG === "long") {
- var flags = [];
-
- for (var i = 0, _len = textCodes.length; i < _len; i += 2) {
- flags.push(textCodes.substr(i, 2));
- }
-
- return flags;
- }
- else if (this.flags.FLAG === "num") {
- return textCode.split(",");
- }
- },
-
- /**
- * Applies an affix rule to a word.
- *
- * @param {String} word The base word.
- * @param {Object} rule The affix rule.
- * @returns {String[]} The new words generated by the rule.
- */
-
- _applyRule : function (word, rule) {
- var entries = rule.entries;
- var newWords = [];
-
- for (var i = 0, _len = entries.length; i < _len; i++) {
- var entry = entries[i];
-
- if (!entry.match || word.match(entry.match)) {
- var newWord = word;
-
- if (entry.remove) {
- newWord = newWord.replace(entry.remove, "");
- }
-
- if (rule.type === "SFX") {
- newWord = newWord + entry.add;
- }
- else {
- newWord = entry.add + newWord;
- }
-
- newWords.push(newWord);
-
- if ("continuationClasses" in entry) {
- for (var j = 0, _jlen = entry.continuationClasses.length; j < _jlen; j++) {
- var continuationRule = this.rules[entry.continuationClasses[j]];
-
- if (continuationRule) {
- newWords = newWords.concat(this._applyRule(newWord, continuationRule));
- }
- /*
- else {
- // This shouldn't happen, but it does, at least in the de_DE dictionary.
- // I think the author mistakenly supplied lower-case rule codes instead
- // of upper-case.
- }
- */
- }
- }
- }
- }
-
- return newWords;
- },
-
- /**
- * Checks whether a word or a capitalization variant exists in the current dictionary.
- * The word is trimmed and several variations of capitalizations are checked.
- * If you want to check a word without any changes made to it, call checkExact()
- *
- * @see http://blog.stevenlevithan.com/archives/faster-trim-javascript re:trimming function
- *
- * @param {String} aWord The word to check.
- * @returns {Boolean}
- */
-
- check : function (aWord) {
- // Remove leading and trailing whitespace
- var trimmedWord = aWord.replace(/^\s\s*/, '').replace(/\s\s*$/, '');
-
- if (this.checkExact(trimmedWord)) {
- return true;
- }
-
- // The exact word is not in the dictionary.
- if (trimmedWord.toUpperCase() === trimmedWord) {
- // The word was supplied in all uppercase.
- // Check for a capitalized form of the word.
- var capitalizedWord = trimmedWord[0] + trimmedWord.substring(1).toLowerCase();
-
- if (this.hasFlag(capitalizedWord, "KEEPCASE")) {
- // Capitalization variants are not allowed for this word.
- return false;
- }
-
- if (this.checkExact(capitalizedWord)) {
- return true;
- }
- }
-
- var lowercaseWord = trimmedWord.toLowerCase();
-
- if (lowercaseWord !== trimmedWord) {
- if (this.hasFlag(lowercaseWord, "KEEPCASE")) {
- // Capitalization variants are not allowed for this word.
- return false;
- }
-
- // Check for a lowercase form
- if (this.checkExact(lowercaseWord)) {
- return true;
- }
- }
-
- return false;
- },
-
- /**
- * Checks whether a word exists in the current dictionary.
- *
- * @param {String} word The word to check.
- * @returns {Boolean}
- */
-
- checkExact : function (word) {
- var ruleCodes = this.dictionaryTable[word];
-
- if (typeof ruleCodes === 'undefined') {
- // Check if this might be a compound word.
- if ("COMPOUNDMIN" in this.flags && word.length >= this.flags.COMPOUNDMIN) {
- for (var i = 0, _len = this.compoundRules.length; i < _len; i++) {
- if (word.match(this.compoundRules[i])) {
- return true;
- }
- }
- }
-
- return false;
- }
- else {
- for (var i = 0, _len = ruleCodes.length; i < _len; i++) {
- if (!this.hasFlag(word, "ONLYINCOMPOUND", ruleCodes[i])) {
- return true;
- }
- }
-
- return false;
- }
- },
-
- /**
- * Looks up whether a given word is flagged with a given flag.
- *
- * @param {String} word The word in question.
- * @param {String} flag The flag in question.
- * @return {Boolean}
- */
-
- hasFlag : function (word, flag, wordFlags) {
- if (flag in this.flags) {
- if (typeof wordFlags === 'undefined') {
- var wordFlags = Array.prototype.concat.apply([], this.dictionaryTable[word]);
- }
-
- if (wordFlags && wordFlags.indexOf(this.flags[flag]) !== -1) {
- return true;
- }
- }
-
- return false;
- },
-
- /**
- * Returns a list of suggestions for a misspelled word.
- *
- * @see http://www.norvig.com/spell-correct.html for the basis of this suggestor.
- * This suggestor is primitive, but it works.
- *
- * @param {String} word The misspelling.
- * @param {Number} [limit=5] The maximum number of suggestions to return.
- * @returns {String[]} The array of suggestions.
- */
-
- alphabet : "",
-
- suggest : function (word, limit) {
- if (!limit) limit = 5;
-
- if (this.check(word)) return [];
-
- // Check the replacement table.
- for (var i = 0, _len = this.replacementTable.length; i < _len; i++) {
- var replacementEntry = this.replacementTable[i];
-
- if (word.indexOf(replacementEntry[0]) !== -1) {
- var correctedWord = word.replace(replacementEntry[0], replacementEntry[1]);
-
- if (this.check(correctedWord)) {
- return [ correctedWord ];
- }
- }
- }
-
- var self = this;
- self.alphabet = "abcdefghijklmnopqrstuvwxyz";
-
- /*
- if (!self.alphabet) {
- // Use the alphabet as implicitly defined by the words in the dictionary.
- var alphaHash = {};
-
- for (var i in self.dictionaryTable) {
- for (var j = 0, _len = i.length; j < _len; j++) {
- alphaHash[i[j]] = true;
- }
- }
-
- for (var i in alphaHash) {
- self.alphabet += i;
- }
-
- var alphaArray = self.alphabet.split("");
- alphaArray.sort();
- self.alphabet = alphaArray.join("");
- }
- */
-
- function edits1(words) {
- var rv = [];
-
- for (var ii = 0, _iilen = words.length; ii < _iilen; ii++) {
- var word = words[ii];
-
- var splits = [];
-
- for (var i = 0, _len = word.length + 1; i < _len; i++) {
- splits.push([ word.substring(0, i), word.substring(i, word.length) ]);
- }
-
- var deletes = [];
-
- for (var i = 0, _len = splits.length; i < _len; i++) {
- var s = splits[i];
-
- if (s[1]) {
- deletes.push(s[0] + s[1].substring(1));
- }
- }
-
- var transposes = [];
-
- for (var i = 0, _len = splits.length; i < _len; i++) {
- var s = splits[i];
-
- if (s[1].length > 1) {
- transposes.push(s[0] + s[1][1] + s[1][0] + s[1].substring(2));
- }
- }
-
- var replaces = [];
-
- for (var i = 0, _len = splits.length; i < _len; i++) {
- var s = splits[i];
-
- if (s[1]) {
- for (var j = 0, _jlen = self.alphabet.length; j < _jlen; j++) {
- replaces.push(s[0] + self.alphabet[j] + s[1].substring(1));
- }
- }
- }
-
- var inserts = [];
-
- for (var i = 0, _len = splits.length; i < _len; i++) {
- var s = splits[i];
-
- if (s[1]) {
- for (var j = 0, _jlen = self.alphabet.length; j < _jlen; j++) {
- replaces.push(s[0] + self.alphabet[j] + s[1]);
- }
- }
- }
-
- rv = rv.concat(deletes);
- rv = rv.concat(transposes);
- rv = rv.concat(replaces);
- rv = rv.concat(inserts);
- }
-
- return rv;
- }
-
- function known(words) {
- var rv = [];
-
- for (var i = 0; i < words.length; i++) {
- if (self.check(words[i])) {
- rv.push(words[i]);
- }
- }
-
- return rv;
- }
-
- function correct(word) {
- // Get the edit-distance-1 and edit-distance-2 forms of this word.
- var ed1 = edits1([word]);
- var ed2 = edits1(ed1);
-
- var corrections = known(ed1).concat(known(ed2));
-
- // Sort the edits based on how many different ways they were created.
- var weighted_corrections = {};
-
- for (var i = 0, _len = corrections.length; i < _len; i++) {
- if (!(corrections[i] in weighted_corrections)) {
- weighted_corrections[corrections[i]] = 1;
- }
- else {
- weighted_corrections[corrections[i]] += 1;
- }
- }
-
- var sorted_corrections = [];
-
- for (var i in weighted_corrections) {
- sorted_corrections.push([ i, weighted_corrections[i] ]);
- }
-
- function sorter(a, b) {
- if (a[1] < b[1]) {
- return -1;
- }
-
- return 1;
- }
-
- sorted_corrections.sort(sorter).reverse();
-
- var rv = [];
-
- for (var i = 0, _len = Math.min(limit, sorted_corrections.length); i < _len; i++) {
- if (!self.hasFlag(sorted_corrections[i][0], "NOSUGGEST")) {
- rv.push(sorted_corrections[i][0]);
- }
- }
-
- return rv;
- }
-
- return correct(word);
- }
-};
\ No newline at end of file