/**
* $Id$
* $Date$
*
*/
package org.xmlsh.sh.core;
import org.xmlsh.sh.shell.Shell;
public class AndOr extends BinaryOpCommand {
public AndOr(CommandExpr left, String op, CommandExpr right) {
super(left, op, right);
}
/*
* (non-Javadoc)
*
* @see org.xmlsh.sh.core.Command#exec(org.xmlsh.sh.shell.Shell)
*/
@Override
public int exec(Shell shell) throws Exception {
int leftRet = shell.execCondition(mLeft);
if(!shell.keepRunning())
return leftRet;
if(mOp.equals("||")) {
if(Shell.toBool(leftRet))
return leftRet;
return shell.execCondition(mRight);
}
else if(mOp.equals("&&")) {
if(!Shell.toBool(leftRet))
return leftRet;
int rightRet = shell.execCondition(mRight);
return Shell.fromBool(Shell.toBool(leftRet) &&
Shell.toBool(rightRet));
}
else
return leftRet;
}
}
//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (the
// "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the
// License at http://www.opensource.org/licenses/bsd-license.php
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//