68 lines
1.2 KiB
C++
68 lines
1.2 KiB
C++
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 2000.
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//
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// File: NotXpr.hxx
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//
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// Contents: Negation expression
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//
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// Classes: CNotXpr
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//
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// History: 27-Nov-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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#pragma once
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#include <xpr.hxx>
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//+-------------------------------------------------------------------------
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//
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// Class: CNotXpr
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//
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// Purpose: Negation expression
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//
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// History: 27-Nov-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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class CNotXpr : public CXpr
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{
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public:
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//
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// Construction-related methods
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//
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inline CNotXpr( CXpr * );
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virtual ~CNotXpr();
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virtual CXpr * Clone();
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//
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// Index-related methods
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//
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virtual BOOL IsMatch( CRetriever & obj );
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//
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// Node-related methods
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//
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virtual BOOL IsLeaf() const;
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private:
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CXpr * _pxpr;
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};
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CNotXpr::CNotXpr( CXpr * pxpr )
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: CXpr( CXpr::NTNot ),
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_pxpr( pxpr )
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{
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}
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