/*
 * This file is part of %PACKAGENAME%.
 *
 * %PACKAGENAME% 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.
 *
 * %PACKAGENAME% 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 %PACKAGENAME%. If not, see <http://www.gnu.org/licenses/>.
 *
 * For more information please see <http://www.%PACKAGENAME%.org>
 * or contact Peter Baumann via <baumann@rasdaman.com>.
 *
 * Copyright 2009 Jacobs University Bremen, Peter Baumann.
 */

package grammar;

public class StringScalarExpr implements IParseTreeNode
{
    String val;
    String function;
    CoverageExpr cov;
    String op;

    public StringScalarExpr(String val)
    {
        this.val = val;
        this.function = "stringConstant";
    }

    public StringScalarExpr(String op, CoverageExpr cov)
    {
        this.cov = cov;
        function = "stringIdentifier";
        this.op = op;
    }

    public String toXML()
    {
        String result = "<" + function + ">";

        if (function.equals("stringConstant"))
            result += val;
        else if (function.equals("stringIdentifier"))
            result += cov.toXML();
        result += "</" + function + ">";

        return result;
    }
}