package org.jacorb.notification.filter.etcl;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 Gerald Brose
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
import org.jacorb.notification.filter.EvaluationContext;
import org.jacorb.notification.filter.EvaluationException;
import org.jacorb.notification.filter.EvaluationResult;
import antlr.Token;
public class SubstrOperator extends BinaryOperator
{
static final String NAME = "SubstrOperator";
public SubstrOperator(Token tok)
{
super(tok);
setName(NAME);
}
public String toString()
{
return " ~";
}
public EvaluationResult evaluate(EvaluationContext context, EvaluationResult left,
EvaluationResult rightVal) throws EvaluationException
{
EvaluationResult _res;
String _l, _r;
_l = left.getString();
_r = rightVal.getString();
int _idx = _r.indexOf(_l);
if (_idx == -1)
{
_res = EvaluationResult.BOOL_FALSE;
}
else
{
_res = EvaluationResult.BOOL_TRUE;
}
return _res;
}
public boolean isStatic()
{
return (left().isStatic() && right().isStatic());
}
protected void visitThis(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitSubstr(this);
}
}