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     */
020    
021    /**
022     * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
023     */
024    package net.sourceforge.pmd.cpd;
025    
026    import org.sonar.duplications.cpd.Match;
027    
028    import java.util.ArrayList;
029    import java.util.Iterator;
030    import java.util.List;
031    
032    /**
033     * <p>Not intended to be instantiated by clients.</p>
034     *
035     * @since 2.2
036     */
037    public class Tokens {
038    
039      private List<TokenEntry> tokens = new ArrayList<TokenEntry>();
040    
041      public void add(TokenEntry tokenEntry) {
042        this.tokens.add(tokenEntry);
043      }
044    
045      public Iterator<TokenEntry> iterator() {
046        return tokens.iterator();
047      }
048    
049      private TokenEntry get(int index) {
050        return tokens.get(index);
051      }
052    
053      public int size() {
054        return tokens.size();
055      }
056    
057      public int getLineCount(TokenEntry mark, Match match) {
058        TokenEntry endTok = get(mark.getIndex() + match.getTokenCount() - 1);
059        if (endTok == TokenEntry.EOF) {
060          endTok = get(mark.getIndex() + match.getTokenCount() - 2);
061        }
062        return endTok.getBeginLine() - mark.getBeginLine() + 1;
063      }
064    
065      public List<TokenEntry> getTokens() {
066        return tokens;
067      }
068    
069    }