/*
 * RuleSymbol.cpp
 *
 *  Created on: 21 Feb 2014
 *      Author: hieu
 */

#include "RuleSymbol.h"

using namespace std;

RuleSymbol::RuleSymbol() {
	// TODO Auto-generated constructor stub

}

RuleSymbol::~RuleSymbol() {
	// TODO Auto-generated destructor stub
}

int RuleSymbol::Compare(const RuleSymbol &other) const
{
	if (IsNonTerm() != other.IsNonTerm()) {
		return IsNonTerm() ? -1 : +1;
	}

	string str = GetString();
	string otherStr = other.GetString();

	if (str == otherStr) {
		return 0;
	}
	else {
		return  (str < otherStr) ? -1 : +1;
	}
}