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/**
* VoidValue.h: interface for the CVoidValue class.
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __VOIDVALUE_H__
#define __VOIDVALUE_H__
#include "Value.h"
//
// Void value, used to transport *any* type of data
//
class CVoidValue : public CPropValue
{
//PLUGIN_DECLARE_SERIAL (CVoidValue,CValue)
public:
/// Construction/destruction
CVoidValue() : m_bDeleteOnDestruct(false), m_pAnything(NULL) { }
CVoidValue(void * voidptr, bool bDeleteOnDestruct, AllocationTYPE alloctype) : m_bDeleteOnDestruct(bDeleteOnDestruct), m_pAnything(voidptr) { if (alloctype == STACKVALUE) CValue::DisableRefCount(); }
virtual ~CVoidValue(); // Destruct void value, delete memory if we're owning it
/// Value -> String or number
virtual const STR_String & GetText(); // Get string description of void value (unimplemented)
virtual double GetNumber() { return -1; }
/// Value calculation
virtual CValue* Calc(VALUE_OPERATOR op, CValue *val);
virtual CValue* CalcFinal(VALUE_DATA_TYPE dtype, VALUE_OPERATOR op, CValue* val);
/// Value replication
virtual CValue* GetReplica();
/// Data members
bool m_bDeleteOnDestruct;
void* m_pAnything;
#ifdef WITH_CXX_GUARDEDALLOC
public:
void *operator new(size_t num_bytes) { return MEM_mallocN(num_bytes, "GE:CVoidValue"); }
void operator delete( void *mem ) { MEM_freeN(mem); }
#endif
};
#endif // !defined _VOIDVALUE_H
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