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/*
* 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 IndexExpr implements IParseTreeNode
{
String op;
IParseTreeNode e1, e2;
String constant;
String function;
public IndexExpr(String op, IndexExpr e1, IndexExpr e2)
{
this.op = op;
this.e1 = e1;
this.e2 = e2;
function = "op2";
}
public IndexExpr(String constant)
{
function = "constant";
this.constant = constant;
}
public IndexExpr(String op, NumericScalarExpr e1)
{
this.op = op;
this.e1 = e1;
function = "op1";
}
public String toXML()
{
String result = "";
String tag1 = "<" + op + ">", tag2 = "</" + op + ">";
if (function.equals("constant"))
result = "<numericConstant>" + constant + "</numericConstant>";
else if (function.equals("op1"))
result = tag1 + e1.toXML() + tag2;
else if (function.equals("op2"))
result = tag1 + e1.toXML() + e2.toXML() + tag2;
return result;
}
}
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