VoidValue.h

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/*
 * VoidValue.h: interface for the CVoidValue class.
 * $Id: VoidValue.h 35063 2011-02-22 10:33:14Z jesterking $
 *
 * ***** 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:
        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

        virtual const STR_String &      GetText();                                                                                              // Get string description of void value (unimplemented)
        virtual double          GetNumber()                                                                                             { return -1; }

        virtual CValue*         Calc(VALUE_OPERATOR op, CValue *val);
        virtual CValue*         CalcFinal(VALUE_DATA_TYPE dtype, VALUE_OPERATOR op, CValue* val);

        virtual CValue*         GetReplica();
        
        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