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 java.util.Arrays; 023 024 import org.sonar.squid.text.CodeReader; 025 import org.sonar.squid.text.EndTokenMatcher; 026 027 public abstract class MultilinesDocTokenizer extends Tokenizer { 028 029 private boolean commentStartedOnPreviousLine = false; 030 private final char[] startToken; 031 032 public MultilinesDocTokenizer(String startToken, String tagBefore, String tagAfter) { 033 super(tagBefore, tagAfter); 034 this.startToken = startToken.toCharArray(); 035 } 036 037 public MultilinesDocTokenizer(String startToken) { 038 this("", "", startToken); 039 } 040 041 @Override 042 public boolean hasNextToken(CodeReader code) { 043 return code.peek() != '\n' && code.peek() != '\r' 044 && (commentStartedOnPreviousLine || (code.peek() == startToken[0] && Arrays.equals(code.peek(startToken.length), startToken))); 045 } 046 047 @Override 048 public String nextToken(CodeReader code) { 049 String comment = code.readTo(new JavadocEndTokenMatcher(code)); 050 return tagBefore + comment + tagAfter; 051 } 052 053 private class JavadocEndTokenMatcher implements EndTokenMatcher { 054 055 CodeReader code; 056 057 public JavadocEndTokenMatcher(CodeReader code) { 058 this.code = code; 059 } 060 061 public boolean match(int endFlag) { 062 if (code.lastChar() == '/' && code.lastChar(1) == '*') { 063 commentStartedOnPreviousLine = false; 064 return true; 065 } 066 if (endFlag == '\r' || endFlag == '\n') { 067 commentStartedOnPreviousLine = true; 068 return true; 069 } 070 return false; 071 } 072 } 073 074 }