diff --git a/README.md b/README.md index 645b109..07ce06d 100644 --- a/README.md +++ b/README.md @@ -83,6 +83,11 @@ simplemde.value("This text will appear in the editor"); - **unique_id**: You must set a unique identifier so that SimpleMDE can autosave. Something that separates this from other textareas. - **delay**: Delay between saves, in milliseconds. Defaults to `10000` (10s). - **previewRender**: Custom function for parsing the plaintext Markdown and returning HTML. Used when user previews. +- **parsingConfig**: Adjust settings for parsing the Markdown during editing (not previewing). + - **allowAtxHeaderWithoutSpace**: If set to `true`, will render headers without a space after the `#`. Defaults to `false`. + - **fencedCodeBlocks**: If set to `false`, will not process GFM fenced code blocks syntax. Defaults to `true`. + - **strikethrough**: If set to `false`, will not process GFM strikethrough syntax. Defaults to `true`. + - **underscoresBreakWords**: If set to `true`, let underscores be a delimiter for separating words. Defaults to `false`. ```JavaScript var simplemde = new SimpleMDE({ diff --git a/src/js/codemirror/markdown.js b/src/js/codemirror/markdown.js index 8ce3497..c972aa4 100644 --- a/src/js/codemirror/markdown.js +++ b/src/js/codemirror/markdown.js @@ -3,11 +3,11 @@ (function(mod) { if (typeof exports == "object" && typeof module == "object") // CommonJS - mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta")); + mod(require("../../lib/codemirror"), require("../xml/xml"), require("../meta")); else if (typeof define == "function" && define.amd) // AMD - define(["../../lib/codemirror", "../xml/xml", "../meta"], mod); + define(["../../lib/codemirror", "../xml/xml", "../meta"], mod); else // Plain browser env - mod(CodeMirror); + mod(CodeMirror); })(function(CodeMirror) { "use strict"; @@ -17,27 +17,27 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { 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; + 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; + 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; + modeCfg.maxBlockquoteDepth = 0; // Should underscores in words open/close em/strong? if (modeCfg.underscoresBreakWords === undefined) - modeCfg.underscoresBreakWords = true; + modeCfg.underscoresBreakWords = true; // Turn on fenced code blocks? ("```" to start/end) if (modeCfg.fencedCodeBlocks === undefined) modeCfg.fencedCodeBlocks = false; @@ -47,7 +47,7 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { // Turn on strikethrough syntax if (modeCfg.strikethrough === undefined) - modeCfg.strikethrough = false; + modeCfg.strikethrough = false; var codeDepth = 0; @@ -77,699 +77,699 @@ CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) { , textRE = /^[^#!\[\]*_\\<>` "'(~]+/; function switchInline(stream, state, f) { - state.f = state.inline = f; - return f(stream, state); + state.f = state.inline = f; + return f(stream, state); } function switchBlock(stream, state, f) { - state.f = state.block = f; - return f(stream, state); + state.f = state.block = f; + return f(stream, state); } // 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.thisLineHasContent = false; - return null; + // 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.thisLineHasContent = false; + 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 || !state.prevLineHasContent) { - 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 (state.prevLineHasContent && !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 ((!state.prevLineHasContent || 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 && stream.match(/^```[ \t]*([\w+#]*)/, true)) { - // try switching mode - state.localMode = getMode(RegExp.$1); - 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); + 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 || !state.prevLineHasContent) { + 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 (state.prevLineHasContent && !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 ((!state.prevLineHasContent || 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 && stream.match(/^```[ \t]*([\w+#]*)/, true)) { + // try switching mode + state.localMode = getMode(RegExp.$1); + 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; + 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() && stream.match("```", 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; - } + if (stream.sol() && stream.match("```", 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.block = blockNormal; - state.f = inlineNormal; - if (modeCfg.highlightFormatting) state.formatting = "code-block"; - state.code = true; - var returnType = getType(state); - state.code = false; - return returnType; + stream.match("```"); + state.block = blockNormal; + state.f = inlineNormal; + 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; + 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; + 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(/ +$/, false)) { - state.trailingSpace++; - } else if (state.trailingSpace) { - state.trailingSpaceNewLine = true; - } - } - - return getType(state); + var style = state.text(stream, state); + if (typeof style !== 'undefined') + return style; + + if (state.list) { // List marker (*, +, -, 1., etc) + state.list = null; + return getType(state); + } + + if (state.taskList) { + var taskOpen = stream.match(taskListRE, true)[1] !== "x"; + if (taskOpen) state.taskOpen = true; + else state.taskClosed = true; + if (modeCfg.highlightFormatting) state.formatting = "task"; + state.taskList = false; + return getType(state); + } + + state.taskOpen = false; + state.taskClosed = false; + + if (state.header && stream.match(/^#+$/, 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; + 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'; + // 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); - }; + 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); + 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; - } + 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); + stream.match(/^[^\]]+/, true); - return linktext; + 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"; + // 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]; + 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, - - prevLineHasContent: false, - thisLineHasContent: false, - - 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 - }; - }, - - copyState: function(s) { - return { - f: s.f, - - prevLineHasContent: s.prevLineHasContent, - thisLineHasContent: s.thisLineHasContent, - - 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 - }; - }, - - token: function(stream, state) { - - // Reset state.formatting - state.formatting = false; - - if (stream.sol()) { - var forceBlankLine = !!state.header || state.hr; - - // Reset state.header and state.hr - state.header = 0; - state.hr = false; - - if (stream.match(/^\s*$/, true) || forceBlankLine) { - state.prevLineHasContent = false; - blankLine(state); - return forceBlankLine ? this.token(stream, state) : null; - } else { - state.prevLineHasContent = state.thisLineHasContent; - state.thisLineHasContent = true; - } - - // 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" + startState: function() { + return { + f: blockNormal, + + prevLineHasContent: false, + thisLineHasContent: false, + + 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 + }; + }, + + copyState: function(s) { + return { + f: s.f, + + prevLineHasContent: s.prevLineHasContent, + thisLineHasContent: s.thisLineHasContent, + + 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 + }; + }, + + token: function(stream, state) { + + // Reset state.formatting + state.formatting = false; + + if (stream.sol()) { + var forceBlankLine = !!state.header || state.hr; + + // Reset state.header and state.hr + state.header = 0; + state.hr = false; + + if (stream.match(/^\s*$/, true) || forceBlankLine) { + state.prevLineHasContent = false; + blankLine(state); + return forceBlankLine ? this.token(stream, state) : null; + } else { + state.prevLineHasContent = state.thisLineHasContent; + state.thisLineHasContent = true; + } + + // 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");