/**

  * vim: set ts=4 :

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

  * SourceMod Updater Extension

  * 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_UPDATER_H_

 #define _INCLUDE_SOURCEMOD_UPDATER_H_

 #include <IWebternet.h>

 #include <ITextParsers.h>

 #include <sh_string.h>

 #include "MemoryDownloader.h"

 using namespace SourceHook;

 struct UpdatePart

 {

 	UpdatePart* next;

 	char *file;

 	char *data;

 	size_t length;

 };

 namespace SourceMod

 {

 	class UpdateReader : 

 		public ITextListener_SMC

 	{

 	public:

 		UpdateReader();

 		~UpdateReader();

 	public: /* ITextListener_SMC */

 		void ReadSMC_ParseStart();

 		SMCResult ReadSMC_NewSection(const SMCStates *states, const char *name);

 		SMCResult ReadSMC_KeyValue(const SMCStates *states, const char *key, const char *value);

 		SMCResult ReadSMC_LeavingSection(const SMCStates *states);

 	public:

 		void PerformUpdate(const char *url);

 		UpdatePart *DetachParts();

 	private:

 		void HandleFile();

 		void HandleFolder(const char *folder);

 		void LinkPart(UpdatePart *part);

 	private:

 		IWebTransfer *xfer;

 		MemoryDownloader mdl;

 		unsigned int ustate;

 		unsigned int ignoreLevel;

 		SourceHook::String curfile;

 		SourceHook::String url;

 		char checksum[33];

 		UpdatePart *partFirst;

 		UpdatePart *partLast;

 		const char *update_url;

 	};

 }

 #endif /* _INCLUDE_SOURCEMOD_UPDATER_H_ */