зеркало из https://github.com/mozilla/pjs.git
128 строки
2.9 KiB
C++
128 строки
2.9 KiB
C++
/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is TransforMiiX XSLT processor.
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*
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* The Initial Developer of the Original Code is The MITRE Corporation.
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* Portions created by MITRE are Copyright (C) 1999 The MITRE Corporation.
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*
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* Portions created by Keith Visco as a Non MITRE employee,
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* (C) 1999 Keith Visco. All Rights Reserved.
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*
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* Contributor(s):
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* Keith Visco, kvisco@ziplink.net
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* -- original author.
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*
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* $Id: VariableBinding.h,v 1.2 2000-04-12 22:33:34 nisheeth%netscape.com Exp $
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*/
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#ifndef MITREXSL_VARIABLE_H
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#define MITREXSL_VARIABLE_H
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#include "MITREObject.h"
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#include "TxString.h"
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#include "baseutils.h"
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#include "ExprResult.h"
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/**
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* @author <a href="mailto:kvisco@ziplink.net">Keith Visco</a>
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* @version $Revision: 1.2 $ $Date: 2000-04-12 22:33:34 $
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**/
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class VariableBinding : public MITREObject {
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public:
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/**
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* Creates a variable binding with no name or value
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**/
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VariableBinding();
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/**
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* Creates a variable binding with the given name, and not bound to any value
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**/
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VariableBinding(const String& name);
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/**
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* Creates a variable with the given name, and value
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**/
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VariableBinding(const String& name, ExprResult* value);
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/**
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* Destroys this variable binding
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**/
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virtual ~VariableBinding();
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/**
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* Allows this variable to be shadowed by another variable
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**/
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void allowShadowing();
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/**
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* Disallows this variable to be shadowed by another variable
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**/
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void disallowShadowing();
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/**
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* Returns the name of this variable
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**/
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const String& getName();
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/**
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* Returns the value of this variable, if shadowing is turned on
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* and the shadow value is not null, it will be returned
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**/
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ExprResult* getValue();
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/**
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* Returns the flag indicating whether variable shadowing is allowed
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**/
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MBool isShadowingAllowed();
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/**
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* Sets the name of this variable
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**/
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void setName(const String& name);
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/**
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* Sets the shadow value of this binding
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**/
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void setShadowValue(ExprResult* value);
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/**
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* Sets the value of this variable
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**/
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void setValue(ExprResult* value);
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private:
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/**
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* flag to turn on and off shadowing
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**/
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MBool allowShadow;
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/**
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* The name of this variable
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**/
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String name;
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/**
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* The value of this variable
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**/
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ExprResult* value;
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ExprResult* shadowValue;
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};
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#endif
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