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110 lines
3.7 KiB
Java
110 lines
3.7 KiB
Java
/**
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* *****************************************************************************
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* Copyright 2013 Jeremie Bresson
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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* ****************************************************************************
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*/
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package net.apocalypselabs.symat; // Package name changed.
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import java.awt.Color;
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import java.util.List;
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import java.util.Map.Entry;
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import syntaxhighlight.ParseResult;
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import syntaxhighlight.Style;
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import syntaxhighlight.Theme;
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/**
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*
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* @author Skylar
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*/
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public class PrettifyToHtml {
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private static final String MAIN_CLASS = "prettyprint";
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/**
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* Format the {@link ParseResult} into an HTML file.
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*
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* @param content
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* @param parseResults
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* @return
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*/
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public static String toHtml(String content, List<ParseResult> parseResults) {
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int endIndex = 0;
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StringBuilder sb = new StringBuilder();
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sb.append("<div class=\"" + MAIN_CLASS + "\">");
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sb.append("<pre>");
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for (ParseResult pr : parseResults) {
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int startIndex = pr.getOffset();
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if (startIndex > endIndex) {
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sb.append(content.substring(endIndex, startIndex));
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}
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endIndex = startIndex + pr.getLength();
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sb.append("<span class=\"" + pr.getStyleKeysString() + "\">");
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sb.append(content.substring(startIndex, endIndex));
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sb.append("</span>");
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}
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if (content.length() > endIndex) {
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sb.append(content.substring(endIndex, content.length()));
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}
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sb.append("</pre>");
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sb.append("</div>");
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return sb.toString();
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}
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/**
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*
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* @param theme
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* @return
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*/
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public static String toCss(Theme theme) {
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StringBuilder sb = new StringBuilder();
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sb.append("." + MAIN_CLASS + " {");
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sb.append("font-family:monospace; ");
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appendCssColor(sb, "background-color", theme.getBackground());
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sb.append("}\n");
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for (Entry<String, Style> entry : theme.getStyles().entrySet()) {
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sb.append("." + MAIN_CLASS + " ." + entry.getKey() + " {");
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Style style = entry.getValue();
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appendCssColor(sb, "background-color", style.getBackground());
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appendCssColor(sb, "color", style.getColor());
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appendCssText(sb, "font-weight: bold", style.isBold());
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appendCssText(sb, "font-style: italic", style.isItalic());
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appendCssText(sb, "text-decoration: underline", style.isUnderline());
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sb.append("}\n");
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}
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theme.getStyles();
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return sb.toString();
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}
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private static void appendCssColor(StringBuilder sb, String cssKey, Color color) {
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if (color != null) {
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sb.append(cssKey + ": " + encode(color) + "; ");
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}
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}
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private final static String encode(Color color) {
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String s = Integer.toHexString(color.getRGB() & 0xffffff);
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if (s.length() < 6) {
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s = "000000".substring(0, 6 - s.length()) + s;
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}
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return '#' + s;
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}
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private static void appendCssText(StringBuilder sb, String cssProp, boolean isSet) {
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if (isSet) {
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sb.append(cssProp + "; ");
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}
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}
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}
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