HandlerMap.java

/*
 * 
 * Copyright 2012 lexergen.
 * This file is part of lexergen.
 * 
 * lexergen is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * lexergen is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with lexergen.  If not, see <http://www.gnu.org/licenses/>.
 *  
 * lexergen:
 * A tool to chunk source code into tokens for further processing in a compiler chain.
 * 
 * Projectgroup: bi, bii
 * 
 * Authors: Johannes Dahlke
 * 
 * Module:  Softwareprojekt Übersetzerbau 2012 
 * 
 * Created: Apr. 2012 
 * Version: 1.0
 *
 */


package de.fuberlin.bii.regextodfaconverter.directconverter.lrparser;

import java.util.HashMap;
import java.util.Map;

import de.fuberlin.bii.regextodfaconverter.directconverter.AutomatEventHandler;
import de.fuberlin.bii.regextodfaconverter.directconverter.lrparser.grammar.RuleElement;


/**
 * Struktur wird in {@link Lr0ItemAutomat}, {@link Slr1ItemAutomat} und {@link Lr1ItemAutomat} zum Aufbau der Parsertabelle verwendet.
 * @author Johannes Dahlke
 *
 */
@SuppressWarnings("rawtypes")
public class HandlerMap extends HashMap<RuleElement, AutomatEventHandler> {

	/**
	 * 
	 */
	private static final long serialVersionUID = -723631411152651892L;


	@Override
	public boolean containsKey( Object key) {
		for ( RuleElement element : this.keySet()) {
			if ( element.equals( key))
				return true;
		}
		return false;
	}


	@Override
	public AutomatEventHandler get( Object key) {
		for ( RuleElement element : this.keySet()) {
			if ( element.equals( key))
				return super.get( element);
		}
		return null;
	}

}