/*******************************************************************************
* Copyright (c) 2000, 2013 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* QNX Software System
* Anton Leherbauer (Wind River Systems)
* Andrew Ferguson (Symbian)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.text;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.WordRule;
import org.eclipse.cdt.core.model.ICLanguageKeywords;
import org.eclipse.cdt.ui.text.AbstractCScanner;
import org.eclipse.cdt.ui.text.ICColorConstants;
import org.eclipse.cdt.ui.text.ITokenStoreFactory;
import org.eclipse.cdt.internal.ui.text.util.CWordDetector;
/**
* A C/C++ code scanner.
*/
public final class CCodeScanner extends AbstractCScanner {
/** Properties for tokens. */
private static String[] fgTokenProperties= {
ICColorConstants.C_KEYWORD,
ICColorConstants.C_TYPE,
ICColorConstants.C_OPERATOR,
ICColorConstants.C_BRACES,
ICColorConstants.C_NUMBER,
ICColorConstants.C_DEFAULT,
};
private ICLanguageKeywords fKeywords;
/**
* Creates a C/C++ code scanner.
* @param factory
* @param keywords the keywords defined by the language dialect
*/
public CCodeScanner(ITokenStoreFactory factory, ICLanguageKeywords keywords) {
super(factory.createTokenStore(fgTokenProperties));
fKeywords= keywords;
setRules(createRules());
}
/*
* @see AbstractCScanner#createRules()
*/
protected List<IRule> createRules() {
List<IRule> rules= new ArrayList<IRule>();
IToken token;
token= getToken(ICColorConstants.C_DEFAULT);
// Add generic white space rule.
rules.add(new CWhitespaceRule(token));
// Add word rule for keywords, types, and constants.
WordRule wordRule= new WordRule(new CWordDetector(), token);
token= getToken(ICColorConstants.C_KEYWORD);
String[] keywords= fKeywords.getKeywords();
for (int i = 0; i < keywords.length; i++) {
wordRule.addWord(keywords[i], token);
}
token= getToken(ICColorConstants.C_TYPE);
String[] types= fKeywords.getBuiltinTypes();
for (int i = 0; i < types.length; i++) {
wordRule.addWord(types[i], token);
}
rules.add(wordRule);
token = getToken(ICColorConstants.C_NUMBER);
NumberRule numberRule = new NumberRule(token);
rules.add(numberRule);
token = getToken(ICColorConstants.C_OPERATOR);
COperatorRule opRule = new COperatorRule(token);
rules.add(opRule);
token = getToken(ICColorConstants.C_BRACES);
CBraceRule braceRule = new CBraceRule(token);
rules.add(braceRule);
setDefaultReturnToken(getToken(ICColorConstants.C_DEFAULT));
return rules;
}
}