001    /*
002     * Sonar, open source software quality management tool.
003     * Copyright (C) 2009 SonarSource SA
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     */
020    package org.sonar.squid.text.colorizer;
021    
022    import org.sonar.squid.text.CodeReader;
023    
024    public class CodeColorizer {
025    
026      private Tokenizer[]   tokenizers;    ;
027      private StringBuilder colorizedCode;
028    
029      public CodeColorizer(Tokenizer... tokenizers) {
030        this.tokenizers = tokenizers;
031      }
032    
033      public final String colorize(CodeReader code) {
034        colorizedCode = new StringBuilder();
035        nextChar: while (code.peek() != -1) {
036          for (Tokenizer codeTokenizer : tokenizers) {
037            if (codeTokenizer.hasNextToken(code)) {
038              colorizedCode.append(codeTokenizer.nextToken(code));
039              continue nextChar;
040            }
041          }
042          colorizedCode.append((char) code.pop());
043        }
044        code.close();
045        return colorizedCode.toString();
046      }
047    }