/*******************************************************************************
* Copyright (c) 2009, 2010 Innovation Gate GmbH.
* 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:
* Innovation Gate GmbH - initial API and implementation
******************************************************************************/
package de.innovationgate.eclipse.editors.tml;
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.MultiLineRule;
import org.eclipse.jface.text.rules.RuleBasedScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.rules.WhitespaceRule;
import org.eclipse.jface.text.rules.WordRule;
import de.innovationgate.eclipse.editors.helpers.SingleCharacterWordDetector;
import de.innovationgate.eclipse.editors.helpers.TextStyles;
import de.innovationgate.eclipse.editors.helpers.WhitespaceDetector;
/**
* scanner for generic tags
* for e.g. html/xml
* tml scanning is done by an separate content scanner {@link TMLStartTagContentScanner}
*
*
*/
public class TagScanner extends RuleBasedScanner {
public TagScanner() {
IToken defaultToken = new Token(TextStyles.STYLE_DEFAULT);
setDefaultReturnToken(defaultToken);
IToken string = new Token(TextStyles.STRING_HTML);
IToken tag = new Token(TextStyles.STYLE_TAG);
List<IRule> rules = new ArrayList<IRule>();
rules.add(new HTMLXMLTagRule(tag));
rules.add(new MultiLineRule("<", ">", tag));
SingleCharacterWordDetector detector = new SingleCharacterWordDetector();
detector.addChar('=');
detector.addChar('>');
detector.addChar('/');
WordRule wordRule = new WordRule(detector, tag);
wordRule.addWord("=", defaultToken);
rules.add(wordRule);
// Add a rule for single quotes - attributes
rules.add(new SingleLineRule("'", "'", string, '\\'));
// Add rule for double quotes - attributes
rules.add(new SingleLineRule("\"", "\"", string, '\\'));
// Add generic whitespace rule.
rules.add(new WhitespaceRule(new WhitespaceDetector()));
setRules(rules.toArray(new IRule[0]));
}
}