//
// The developer of the original code and/or files is Tripwire, Inc.
// Portions created by Tripwire, Inc. are copyright (C) 2000 Tripwire,
// Inc. Tripwire is a registered trademark of Tripwire, Inc.  All rights
// reserved.
// 
// This program is free software.  The contents of this file are subject
// to 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.  You may redistribute it and/or modify it
// only in compliance with the GNU General Public License.
// 
// This program is distributed in the hope that it will be useful.
// However, this program is distributed AS-IS WITHOUT ANY
// WARRANTY; INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS
// FOR A PARTICULAR PURPOSE.  Please 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 
// Nothing in the GNU General Public License or any other license to use
// the code or files shall permit you to use Tripwire's trademarks,
// service marks, or other intellectual property without Tripwire's
// prior written consent.
// 
// If you have any questions, please contact Tripwire, Inc. at either
// info@tripwire.org or www.tripwire.org.
//
///////////////////////////////////////////////////////////////////////////////
// iterproxy.h
// 
// cIterProxy<> -- smart pointer for iterator classes used in tripwire. the
//		iterator must support being destroyed with a member function called
//		ReleaseIter()
#ifndef __ITERPROXY_H
#define __ITERPROXY_H

////////////////////////////////////////////////////
// cIterProxy -- a smart pointer class
//		for fco iterators. It can be dereferenced
//		and assigned to like a pointer, but it calls
//		mpIter->Release() when it is destroyed, unless
//		mpIter == NULL.
////////////////////////////////////////////////////

template<class TYPE>
class cIterProxy
{
public:
	cIterProxy(TYPE* pIter = NULL)		: mpIter(pIter)			{};
	cIterProxy(const TYPE* pIter)	: mpIter((TYPE*)pIter)	{};
	~cIterProxy()					{ if (mpIter) mpIter->DestroyIter(); }
	operator		TYPE*()				{ return mpIter; }
	operator const	TYPE*() const		{ return mpIter; }
	TYPE*		operator->()			{ return mpIter; }
	const TYPE*	operator->() const		{ return mpIter; }
	TYPE*		operator=(TYPE* rhs)	{ mpIter = rhs; return mpIter; }
private:
	TYPE* mpIter;
};



#endif

