gecko-dev/extensions/transformiix/source/xpath/IdentityExpr.cpp

60 lines
2.0 KiB
C++

/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (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.mozilla.org/MPL/
*
* 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 TransforMiiX XSLT processor.
*
* The Initial Developer of the Original Code is The MITRE Corporation.
* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
*
* Portions created by Keith Visco as a Non MITRE employee,
* (C) 1999 Keith Visco. All Rights Reserved.
*
* Contributor(s):
* Keith Visco, kvisco@ziplink.net
* -- original author.
*
* $Id: IdentityExpr.cpp,v 1.1 2000/04/06 07:45:31 kvisco%ziplink.net Exp $
*/
/**
* @author <a href="mailto:kvisco@ziplink.net">Keith Visco</a>
* @version $Revision: 1.1 $ $Date: 2000/04/06 07:45:31 $
**/
#include "Expr.h"
/**
* Evaluates this Expr based on the given context node and processor state
* @param context the context node for evaluation of this Expr
* @param ps the ContextState containing the stack information needed
* for evaluation
* @return the result of the evaluation
**/
ExprResult* IdentityExpr::evaluate(Node* context, ContextState* cs) {
NodeSet* nodeSet = new NodeSet();
if ( context ) {
nodeSet->add(context);
}
return nodeSet;
} //-- evaluate
/**
* Returns the String representation of this NodeExpr.
* @param dest the String to use when creating the String
* representation. The String representation will be appended to
* any data in the destination String, to allow cascading calls to
* other #toString() methods for Expressions.
* @return the String representation of this NodeExpr.
**/
void IdentityExpr::toString(String& dest) {
dest.append('.');
} //-- toString