/*******************************************************************************
* Copyright (c) 2007, 2008 Edgar Espina.
* 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
*
*******************************************************************************/
package org.deved.antlride.internal.ui.text.highlighting.rules;
import org.eclipse.jface.text.rules.ICharacterScanner;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.Token;
public class AntlrRuleHighlight extends AntlrAbstractHighlight implements IRule {
private IToken fLexerToken;
public AntlrRuleHighlight(IToken ruleToken, IToken lexerToken) {
super(ruleToken);
fLexerToken = lexerToken;
}
@Override
protected IToken doEvaluate(ICharacterScanner scanner) {
consumeWord(scanner);
String text = getTextReaded();
if (text.length() > 0) {
if (Character.isLowerCase(text.charAt(0))) {
return fSuccessToken;
}
return fLexerToken;
}
unread(scanner);
return Token.UNDEFINED;
}
}