001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 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 */ 020 package org.sonar.colorizer; 021 022 import java.util.List; 023 024 import org.sonar.channel.Channel; 025 import org.sonar.channel.CodeReader; 026 027 public class TokenizerDispatcher { 028 029 private Channel[] tokenizers; 030 031 public TokenizerDispatcher(Channel<HtmlCodeBuilder>... tokenizers) { 032 this.tokenizers = tokenizers; 033 } 034 035 public TokenizerDispatcher(List<Channel<HtmlCodeBuilder>> tokenizers) { 036 this.tokenizers = tokenizers.toArray(new Channel[0]); // NOSONAR performance is not an issue here 037 } 038 039 public final String colorize(String code) { 040 HtmlCodeBuilder colorizedCode = new HtmlCodeBuilder(); 041 colorize(new CodeReader(code), colorizedCode); 042 return colorizedCode.toString(); 043 } 044 045 public final void colorize(CodeReader code, HtmlCodeBuilder colorizedCode) { 046 cloneNotThreadSafeTokenizers(); 047 nextChar: while (code.peek() != -1) { 048 for (Channel<HtmlCodeBuilder> codeTokenizer : tokenizers) { 049 if (codeTokenizer.consume(code, colorizedCode)) { 050 continue nextChar; 051 } 052 } 053 colorizedCode.append((char) code.pop()); 054 } 055 } 056 057 private void cloneNotThreadSafeTokenizers() { 058 for (int i = 0; i < tokenizers.length; i++) { 059 if (tokenizers[i] instanceof NotThreadSafeTokenizer) { 060 tokenizers[i] = ((NotThreadSafeTokenizer) tokenizers[i]).clone(); 061 } 062 } 063 } 064 }