Package org.sonar.plugins.cxx

Source Code of org.sonar.plugins.cxx.CxxTokenizer

/*
* Sonar C++ Plugin (Community)
* Copyright (C) 2010 Neticoa SAS France
* dev@sonar.codehaus.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
*/
package org.sonar.plugins.cxx;

import com.sonar.sslr.api.Token;
import com.sonar.sslr.impl.Lexer;
import net.sourceforge.pmd.cpd.SourceCode;
import net.sourceforge.pmd.cpd.TokenEntry;
import net.sourceforge.pmd.cpd.Tokenizer;
import net.sourceforge.pmd.cpd.Tokens;
import org.sonar.cxx.CxxConfiguration;
import org.sonar.cxx.lexer.CxxLexer;

import java.io.File;
import java.nio.charset.Charset;
import java.util.List;

public class CxxTokenizer implements Tokenizer {

  private final Charset charset;

  public CxxTokenizer(Charset charset) {
    this.charset = charset;
  }

  public final void tokenize(SourceCode source, Tokens cpdTokens) {
    Lexer lexer = CxxLexer.create(new CxxConfiguration(charset));
    String fileName = source.getFileName();
    List<Token> tokens = lexer.lex(new File(fileName));
    for (Token token : tokens) {
      TokenEntry cpdToken = new TokenEntry(getTokenImage(token), fileName, token.getLine());
      cpdTokens.add(cpdToken);
    }
    cpdTokens.add(TokenEntry.getEOF());
  }

  private String getTokenImage(Token token) {
    return token.getValue();
  }

}
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