/**

  * vim: set ts=4 :

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

  * SourceMod

  * Copyright (C) 2004-2008 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_CGAMECONFIGS_H_

 #define _INCLUDE_SOURCEMOD_CGAMECONFIGS_H_

 #include "common_logic.h"

 #include <IGameConfigs.h>

 #include <ITextParsers.h>

 #include <sh_list.h>

 #include "sm_memtable.h"

 #include <sm_trie_tpl.h>

 using namespace SourceMod;

 using namespace SourceHook;

 class SendProp;

 class CGameConfig : 

 	public ITextListener_SMC,

 	public IGameConfig

 {

 	friend class GameConfigManager;

 public:

 	CGameConfig(const char *file, const char *engine = NULL);

 	~CGameConfig();

 public:

 	bool Reparse(char *error, size_t maxlength);

 	bool EnterFile(const char *file, char *error, size_t maxlength);

 	void SetBaseEngine(const char *engine);

 	void SetParseEngine(const char *engine);

 public: //ITextListener_SMC

 	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: //IGameConfig

 	const char *GetKeyValue(const char *key);

 	bool GetOffset(const char *key, int *value);

 	SendProp *GetSendProp(const char *key);

 	bool GetMemSig(const char *key, void **addr);

 	bool GetAddress(const char *key, void **addr);

 public:

 	void IncRefCount();

 	unsigned int DecRefCount();

 private:

 	BaseStringTable *m_pStrings;

 	char m_File[PLATFORM_MAX_PATH];

 	char m_CurFile[PLATFORM_MAX_PATH];

 	KTrie<int> m_Offsets;

 	KTrie<SendProp *> m_Props;

 	KTrie<int> m_Keys;

 	KTrie<void *> m_Sigs;

 	unsigned int m_RefCount;

 	/* Parse states */

 	int m_ParseState;

 	unsigned int m_IgnoreLevel;

 	char m_Class[64];

 	char m_Prop[64];

 	char m_offset[64];

 	char m_Game[256];

 	bool bShouldBeReadingDefault;

 	bool had_game;

 	bool matched_game;

 	bool had_engine;

 	bool matched_engine;

 	/* Custom Sections */

 	unsigned int m_CustomLevel;

 	ITextListener_SMC *m_CustomHandler;

 	/* Support for reading Addresses */

 	struct AddressConf

 	{

 		char signatureName[64];

 		int readCount;

 		int read[8];

 		AddressConf(char *sigName, unsigned sigLength, unsigned readCount, int *read);

 		AddressConf() {}

 	};

 	char m_Address[64];

 	char m_AddressSignature[64];

 	int m_AddressReadCount;

 	int m_AddressRead[8];

 	KTrie<AddressConf> *m_pAddresses;

 	const char *m_pEngine;

 	const char *m_pBaseEngine;

 };

 class GameConfigManager : 

 	public IGameConfigManager,

 	public SMGlobalClass

 {

 public:

 	GameConfigManager();

 	~GameConfigManager();

 public: //IGameConfigManager

 	bool LoadGameConfigFile(const char *file, IGameConfig **pConfig, char *error, size_t maxlength);

 	void CloseGameConfigFile(IGameConfig *cfg);

 	IGameConfig *ReadHandle(Handle_t hndl,

 		IdentityToken_t *ident,

 		HandleError *err);

 	void AddUserConfigHook(const char *sectionname, ITextListener_SMC *listener);

 	void RemoveUserConfigHook(const char *sectionname, ITextListener_SMC *listener);

 	void AcquireLock();

 	void ReleaseLock();

 public: //SMGlobalClass

 	void OnSourceModStartup(bool late);

 	void OnSourceModAllInitialized();

 	void OnSourceModAllShutdown();

 private:

 	List<CGameConfig *> m_cfgs;

 	KTrie<CGameConfig *> m_Lookup;

 public:

 	KTrie<ITextListener_SMC *> m_customHandlers;

 };

 extern GameConfigManager g_GameConfigs;

 extern IGameConfig *g_pGameConf;

 #endif //_INCLUDE_SOURCEMOD_CGAMECONFIGS_H_