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/*
* Sonar, open source software quality management tool.
* Copyright (C) 2009 SonarSource SA
* mailto:contact AT sonarsource DOT com
*
* Sonar 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.
*
* Sonar 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 Sonar; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.cpd;
import java.io.BufferedReader;
import java.io.CharArrayReader;
import java.util.NoSuchElementException;
import java.util.StringTokenizer;
/**
* This class does a best-guess try-anything tokenization.
*
* @author jheintz
*/
public class AnyTokenizer implements Tokenizer {
public static final String TOKENS = " \t!#$%^&*(){}-=+<>/\\`~;:";
public void tokenize(SourceCode sourceCode, Tokens tokenEntries) {
StringBuffer sb = sourceCode.getCodeBuffer();
BufferedReader reader = new BufferedReader(new CharArrayReader(sb.toString().toCharArray()));
try {
int lineNumber = 1;
String line = reader.readLine();
while (line != null) {
StringTokenizer tokenizer = new StringTokenizer(line, TOKENS, true);
try {
String token = tokenizer.nextToken();
while (token != null) {
if (!token.equals(" ") && !token.equals("\t")) {
tokenEntries.add(new TokenEntry(token, sourceCode.getFileName(), lineNumber));
}
token = tokenizer.nextToken();
}
} catch (NoSuchElementException ex) {
// done with tokens
}
// advance iteration variables
line = reader.readLine();
lineNumber++;
}
} catch (Exception ex) {
ex.printStackTrace();
} finally {
try {
reader.close();
} catch (Exception ex) {
}
tokenEntries.add(TokenEntry.getEOF());
}
}
}
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