core/logic/AutoHandleRooter.h
changeset 2996 45be5b449233
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/core/logic/AutoHandleRooter.h	Thu May 13 12:28:51 2010 -0700
     1.3 @@ -0,0 +1,92 @@
     1.4 +/**
     1.5 + * vim: set ts=4 sw=4 tw=99 noet :
     1.6 + * =============================================================================
     1.7 + * SourceMod
     1.8 + * Copyright (C) 2004-2009 AlliedModders LLC.  All rights reserved.
     1.9 + * =============================================================================
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify it under
    1.12 + * the terms of the GNU General Public License, version 3.0, as published by the
    1.13 + * Free Software Foundation.
    1.14 + * 
    1.15 + * This program is distributed in the hope that it will be useful, but WITHOUT
    1.16 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    1.17 + * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    1.18 + * details.
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License along with
    1.21 + * this program.  If not, see <http://www.gnu.org/licenses/>.
    1.22 + *
    1.23 + * As a special exception, AlliedModders LLC gives you permission to link the
    1.24 + * code of this program (as well as its derivative works) to "Half-Life 2," the
    1.25 + * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    1.26 + * by the Valve Corporation.  You must obey the GNU General Public License in
    1.27 + * all respects for all other code used.  Additionally, AlliedModders LLC grants
    1.28 + * this exception to all derivative works.  AlliedModders LLC defines further
    1.29 + * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    1.30 + * or <http://www.sourcemod.net/license.php>.
    1.31 + *
    1.32 + * Version: $Id$
    1.33 + */
    1.34 +
    1.35 +#ifndef _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_
    1.36 +#define _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_
    1.37 +
    1.38 +#include "common_logic.h"
    1.39 +#include <IHandleSys.h>
    1.40 +
    1.41 +class AutoHandleRooter
    1.42 +{
    1.43 +public:
    1.44 +	AutoHandleRooter(Handle_t hndl)
    1.45 +	{
    1.46 +		if (hndl != BAD_HANDLE)
    1.47 +			this->hndl = handlesys->FastCloneHandle(hndl);
    1.48 +		else
    1.49 +			this->hndl = BAD_HANDLE;
    1.50 +	}
    1.51 +
    1.52 +	~AutoHandleRooter()
    1.53 +	{
    1.54 +		if (hndl != BAD_HANDLE)
    1.55 +		{
    1.56 +			HandleSecurity sec(g_pCoreIdent, g_pCoreIdent);
    1.57 +			handlesys->FreeHandle(hndl, &sec);
    1.58 +		}
    1.59 +	}
    1.60 +
    1.61 +	Handle_t getHandle()
    1.62 +	{
    1.63 +		return hndl;
    1.64 +	}
    1.65 +private:
    1.66 +	Handle_t hndl;
    1.67 +};
    1.68 +
    1.69 +class AutoHandleCloner
    1.70 +{
    1.71 +	Handle_t original;
    1.72 +	HandleSecurity sec;
    1.73 +	AutoHandleRooter ahr;
    1.74 +public:
    1.75 +	AutoHandleCloner(Handle_t original, HandleSecurity sec)
    1.76 +	  : original(original), sec(sec), ahr(original)
    1.77 +	{
    1.78 +	}
    1.79 +
    1.80 +	~AutoHandleCloner()
    1.81 +	{
    1.82 +		if (original != BAD_HANDLE)
    1.83 +		{
    1.84 +			handlesys->FreeHandle(original, &sec);
    1.85 +		}
    1.86 +	}
    1.87 +
    1.88 +	Handle_t getClone()
    1.89 +	{
    1.90 +		return ahr.getHandle();
    1.91 +	}
    1.92 +};
    1.93 +
    1.94 +#endif /* _INCLUDE_SOURCEMOD_AUTO_HANDLE_ROOTER_H_ */
    1.95 +