/**

  * vim: set ts=4 :

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

  * SourceMod

  * Copyright (C) 2004-2007 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_CORE_STRINGTABLE_H_

 #define _INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_

 class BaseMemTable

 {

 public:

 	BaseMemTable(unsigned int init_size);

 	~BaseMemTable();

 public:

 	/**

 	 * Allocates 'size' bytes of memory.

 	 * Optionally outputs the address through 'addr'.

 	 * Returns an index >= 0 on success, < 0 on failure.

 	 */

 	int CreateMem(unsigned int size, void **addr);

 	/**

 	 * Given an index into the memory table, returns its address.

 	 * Returns NULL if invalid.

 	 */

 	void *GetAddress(int index);

 	/**

 	 * Scraps the memory table.  For caching purposes, the memory 

 	 * is not freed, however subsequent calls to CreateMem() will 

 	 * begin at the first index again.

 	 */

 	void Reset();

 	inline unsigned int GetMemUsage()

 	{

 		return size;

 	}

 private:

 	unsigned char *membase;

 	unsigned int size;

 	unsigned int tail;

 };

 class BaseStringTable

 {

 public:

 	BaseStringTable(unsigned int init_size);

 	~BaseStringTable();

 public:

 	/** 

 	 * Adds a string to the string table and returns its index.

 	 */

 	int AddString(const char *string);

 	/**

 	 * Given an index into the string table, returns the associated string.

 	 */

 	inline const char *GetString(int str)

 	{

 		return (const char *)m_table.GetAddress(str);

 	}

 	/**

 	 * Scraps the string table.  For caching purposes, the memory

 	 * is not freed, however subsequent calls to AddString() will 

 	 * begin at the first index again.

 	 */

 	void Reset();

 	/**

 	 * Returns the parent BaseMemTable that this string table uses.

 	 */

 	inline BaseMemTable *GetMemTable()

 	{

 		return &m_table;

 	}

 private:

 	BaseMemTable m_table;

 };

 #endif //_INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_