FXPtrHold.h

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/********************************************************************************
*                                                                               *
*                     A u t o  P o i n t e r  H o l d e r                       *
*                                                                               *
*********************************************************************************
* Copyright (C) 2002,2003 by Niall Douglas.   All Rights Reserved.              *
*       NOTE THAT I DO NOT PERMIT ANY OF MY CODE TO BE PROMOTED TO THE GPL      *
*********************************************************************************
* This code is free software; you can redistribute it and/or modify it under    *
* the terms of the GNU Library General Public License v2.1 as published by the  *
* Free Software Foundation EXCEPT that clause 3 does not apply ie; you may not  *
* "upgrade" this code to the GPL without my prior written permission.           *
* Please consult the file "License_Addendum2.txt" accompanying this file.       *
*                                                                               *
* This code 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.                          *
*********************************************************************************
* $Id:                                                                          *
********************************************************************************/

#ifndef FXPTRHOLD_H
#define FXPTRHOLD_H

namespace FX {

template<class type> class FXPtrHold
{
    type *ptr;
public:
    FXPtrHold(type *p=0) throw() : ptr(p) { }
    ~FXPtrHold() { free(); }
    operator type *() throw() { return ptr; }
    operator const type *() const throw() { return ptr; }
    type *&operator->() throw() { return ptr; }
    type *&operator=(type *p) throw() { ptr=p; return ptr; }
    void free() { delete ptr; ptr=0; }
};

} // namespace

#endif

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(C) 2002-2009 Niall Douglas. Some parts (C) to assorted authors.