001/*
002 * Sonar, open source software quality management tool.
003 * Copyright (C) 2008-2012 SonarSource
004 * mailto:contact AT sonarsource DOT com
005 *
006 * Sonar is free software; you can redistribute it and/or
007 * modify it under the terms of the GNU Lesser General Public
008 * License as published by the Free Software Foundation; either
009 * version 3 of the License, or (at your option) any later version.
010 *
011 * Sonar is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014 * Lesser General Public License for more details.
015 *
016 * You should have received a copy of the GNU Lesser General Public
017 * License along with Sonar; if not, write to the Free Software
018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
019 */
020package org.sonar.colorizer;
021
022import java.io.Reader;
023import java.util.ArrayList;
024import java.util.List;
025
026import org.sonar.channel.Channel;
027import org.sonar.channel.CodeReader;
028
029public class HtmlRenderer extends Renderer {
030
031  private HtmlOptions options = null;
032
033  public HtmlRenderer(HtmlOptions options) {
034    this.options = options;
035  }
036
037  public HtmlRenderer() {
038    this(HtmlOptions.DEFAULT);
039  }
040
041  @Override
042  public String render(Reader code, List<? extends Channel<HtmlCodeBuilder>> tokenizers) {
043    try {
044      List<Channel<HtmlCodeBuilder>> allTokenizers = new ArrayList<Channel<HtmlCodeBuilder>>();
045      HtmlCodeBuilder codeBuilder = new HtmlCodeBuilder();
046      HtmlDecorator htmlDecorator = new HtmlDecorator(options);
047
048      // optimization
049      if (options != null && options.isGenerateTable()) {
050        codeBuilder.appendWithoutTransforming(htmlDecorator.getTagBeginOfFile());
051        allTokenizers.add(htmlDecorator);
052      }
053      allTokenizers.addAll(tokenizers);
054
055      new TokenizerDispatcher(allTokenizers).colorize(new CodeReader(code), codeBuilder);
056      // optimization
057      if (options != null && options.isGenerateTable()) {
058        codeBuilder.appendWithoutTransforming(htmlDecorator.getTagEndOfFile());
059      }
060      return codeBuilder.toString();
061    } catch (Exception e) {
062      throw new SynhtaxHighlightingException("Can not render code", e);
063    }
064  }
065}