/**

 * vim: set ts=4 :

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

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

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

 *

 * This file is not open source and may not be copied without explicit

 * written permission of AlliedModders LLC.  This file may not be redistributed 

 * in whole or significant part.

 * For information, see LICENSE.txt 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();

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_