/*
 * Copyright 2013 Yuichiro Moriguchi
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.morilib.nina;

import java.util.Set;

import net.morilib.automata.NFA;
import net.morilib.automata.NFAState;
import net.morilib.automata.nfa.NFAs;

/**
 * 
 * 
 * @author MORIGUCHI, Yuichiro 2006/05/22
 */
public final class NinaNFAPattern implements NinaPattern {

	//
	NFA<Object, NFAState, Void> nfa;

	/**
	 * 
	 * @param nfa
	 */
	public NinaNFAPattern(NFA<Object, NFAState, Void> nfa) {
		this.nfa = nfa;
	}

	//
	Set<NFAState> getInitialStates() {
		return NFAs.getEpsilonReachable(nfa, nfa.getInitialStates());
	}

	/**
	 * 
	 * @param s
	 * @return
	 */
	public NinaNFAMatcher matcher(String s) {
		return new NinaNFAMatcher(this, s);
	}

}
