/**

 * vim: set ts=4 sw=4 tw=99 noet :

 * =============================================================================

 * SourceMod

 * Copyright (C) 2004-2009 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * 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, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#ifndef _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_

#define _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_

#include <IHandleSys.h>

class AutoHandleRooter

{

public:

	AutoHandleRooter(Handle_t hndl)

	{

		if (hndl != BAD_HANDLE)

			this->hndl = handlesys->FastCloneHandle(hndl);

		else

			this->hndl = BAD_HANDLE;

	}

	~AutoHandleRooter()

	{

		if (hndl != BAD_HANDLE)

		{

			HandleSecurity sec(g_pCoreIdent, g_pCoreIdent);

			handlesys->FreeHandle(hndl, &sec);

		}

	}

	Handle_t getHandle()

	{

		return hndl;

	}

private:

	Handle_t hndl;

};

class AutoHandleCloner

{

	Handle_t original;

	HandleSecurity sec;

	AutoHandleRooter ahr;

public:

	AutoHandleCloner(Handle_t original, HandleSecurity sec)

	  : original(original), sec(sec), ahr(original)

	{

	}

	~AutoHandleCloner()

	{

		if (original != BAD_HANDLE)

		{

			handlesys->FreeHandle(original, &sec);

		}

	}

	Handle_t getClone()

	{

		return ahr.getHandle();

	}

};

#endif /* _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_ */