/*
 * This file is part of PetaScope.
 *
 * PetaScope is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * PetaScope 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with PetaScope. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information please see <http://www.PetaScope.org>
 * or contact Peter Baumann via <baumann@rasdaman.com>.
 *
 * Copyright 2009 Jacobs University Bremen, Peter Baumann.
 */




package grammar;

/**
 * BooleanExpr
 *
 * @author Andrei Aiordachioaie
 */
public class BooleanExpr implements IParseTreeNode
{
	IParseTreeNode e1, e2;
	String op;

	public BooleanExpr(String op, CoverageExpr cov)
	{
		this.op = op;
		e1      = cov;
	}

	public BooleanExpr(String op, CoverageExpr cov, IndexExpr i)
	{
		this.op = op;
		e1      = cov;
		e2      = i;
	}

	public String toXML()
	{
		String result = "";

		if (op.equalsIgnoreCase("not"))
		{
			result = e1.toXML();
		}
		else if (op.equalsIgnoreCase("bit"))
		{
			result = e1.toXML() + e2.toXML();
		}

		result = "<" + op + ">" + result + "</" + op + ">";
		return result;
	}
}