/*
 * Copyright (c) 2003-2004 Christopher Lenz and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     Christopher Lenz - initial API and implementation
 * 
 * $Id: CssPartitionScanner.java,v 1.1 2004-09-02 18:11:48 jsurfer Exp $
 */

package net.sourceforge.phpeclipse.css.ui.internal.text;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.text.rules.IPredicateRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.MultiLineRule;
import org.eclipse.jface.text.rules.RuleBasedPartitionScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;

/**
 * 
 */
public class CssPartitionScanner extends RuleBasedPartitionScanner {

	// Constants ---------------------------------------------------------------

	public static final String CSS_COMMENT =
		"__css_comment_partition_content_type"; //$NON-NLS-1$

	public static final String CSS_STRING =
		"__css_string_partition_content_type"; //$NON-NLS-1$

	// Constructors ------------------------------------------------------------

	/**
	 * Constructor.
	 */
	public CssPartitionScanner() {

		IToken commentToken = new Token(CSS_COMMENT);
		IToken stringToken = new Token(CSS_STRING);

		List rules = new ArrayList();

		rules.add(new MultiLineRule(
			"/*", "*/", commentToken)); //$NON-NLS-1$ //$NON-NLS-2$

		// TODO Strings can be continued over a new line using the escape 
		// character (#42613)
		rules.add(new SingleLineRule(
			"\"", "\"", stringToken, '\\')); //$NON-NLS-1$ //$NON-NLS-2$
		rules.add(new SingleLineRule(
			"'", "'", stringToken, '\\')); //$NON-NLS-1$ //$NON-NLS-2$

		setPredicateRules((IPredicateRule[])
			rules.toArray(new IPredicateRule[rules.size()]));
	}

}