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/*
* 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 syntaxParser;
class BooleanScalarExpr implements IParseTreeNode {
BooleanScalarExpr leftBooleanScalarExpr, rightBooleanScalarExpr;
String booleanConstant;
String op;
public BooleanScalarExpr(String bc) {
booleanConstant = bc;
}
public BooleanScalarExpr(String op, BooleanScalarExpr be){
this.op = op;
leftBooleanScalarExpr = be ;
}
public BooleanScalarExpr(String op, BooleanScalarExpr lbe, BooleanScalarExpr rbe){
this.op = op;
leftBooleanScalarExpr = lbe ;
rightBooleanScalarExpr = rbe ;
}
public String toXML(){
if (op == null) return "<boolean>" + booleanConstant + "</boolean>";
else if (op.equals("not")) return "<scalarNot>" + leftBooleanScalarExpr.toXML() + "</scalarNot>";
else {
if (op.equals("and")) op = "scalarAnd";
else if (op.equals("or")) op = "scalarOr";
else if (op.equals("xor")) op = "scalarXor";
return "<" + op + ">" + leftBooleanScalarExpr.toXML() + rightBooleanScalarExpr.toXML() + "</" + op + ">";
}
}
}
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