RubyRegexpScanner.java example

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/**
 * Aptana Studio
 * Copyright (c) 2005-2011 by Appcelerator, Inc. All Rights Reserved.
 * Licensed under the terms of the GNU Public License (GPL) v3 (with exceptions).
 * Please see the license.html included with this distribution for details.
 * Any modifications to this file must keep this entire header intact.
 */
package com.aptana.editor.ruby;

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

import org.eclipse.jface.text.rules.BufferedRuleBasedScanner;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.Token;

import com.aptana.editor.common.text.rules.RegexpRule;

public class RubyRegexpScanner extends BufferedRuleBasedScanner
{

	public RubyRegexpScanner()
	{
		List<IRule> rules = new ArrayList<IRule>();
		rules.add(new RegexpRule("\\\\(x[0-9a-fA-F]{2}|[0-2][0-7]{0,2}|3[0-6][0-7]|37[0-7]?|[4-7][0-7]?|.)", //$NON-NLS-1$
				getToken("constant.character.escape.ruby"))); //$NON-NLS-1$
		setRules(rules.toArray(new IRule[rules.size()]));

		setDefaultReturnToken(getToken("string.regexp.ruby")); //$NON-NLS-1$
	}

	protected IToken getToken(String tokenName)
	{
		return new Token(tokenName);
	}
}