dvander@370: /**
dvander@370:  * ===============================================================
dvander@370:  * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.
dvander@370:  * ===============================================================
dvander@370:  *
dvander@370:  * This file is not open source and may not be copied without explicit
dvander@370:  * written permission of AlliedModders LLC.  This file may not be redistributed 
dvander@370:  * in whole or significant part.
dvander@370:  * For information, see LICENSE.txt or http://www.sourcemod.net/license.php
dvander@370:  *
dvander@370:  * Version: $Id$
dvander@370:  */
dvander@370: 
dvander@203: #ifndef _INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_
dvander@203: #define _INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_
dvander@203: 
dvander@203: class BaseMemTable
dvander@203: {
dvander@203: public:
dvander@203: 	BaseMemTable(unsigned int init_size);
dvander@203: 	~BaseMemTable();
dvander@203: public:
dvander@203: 	/**
dvander@203: 	 * Allocates 'size' bytes of memory.
dvander@203: 	 * Optionally outputs the address through 'addr'.
dvander@203: 	 * Returns an index >= 0 on success, < 0 on failure.
dvander@203: 	 */
dvander@203: 	int CreateMem(unsigned int size, void **addr);
dvander@203: 
dvander@203: 	/**
dvander@203: 	 * Given an index into the memory table, returns its address.
dvander@203: 	 * Returns NULL if invalid.
dvander@203: 	 */
dvander@203: 	void *GetAddress(int index);
dvander@203: 
dvander@203: 	/**
dvander@203: 	 * Scraps the memory table.  For caching purposes, the memory 
dvander@203: 	 * is not freed, however subsequent calls to CreateMem() will 
dvander@203: 	 * begin at the first index again.
dvander@203: 	 */
dvander@203: 	void Reset();
dvander@404: 
dvander@404: 
dvander@203: private:
dvander@203: 	unsigned char *membase;
dvander@203: 	unsigned int size;
dvander@203: 	unsigned int tail;
dvander@203: };
dvander@203: 
dvander@203: class BaseStringTable
dvander@203: {
dvander@203: public:
dvander@203: 	BaseStringTable(unsigned int init_size);
dvander@203: 	~BaseStringTable();
dvander@203: public:
dvander@203: 	/** 
dvander@203: 	 * Adds a string to the string table and returns its index.
dvander@203: 	 */
dvander@203: 	int AddString(const char *string);
dvander@203: 
dvander@203: 	/**
dvander@203: 	 * Given an index into the string table, returns the associated string.
dvander@203: 	 */
dvander@293: 	inline const char *GetString(int str)
dvander@293: 	{
dvander@293: 		return (const char *)m_table.GetAddress(str);
dvander@293: 	}
dvander@203: 
dvander@203: 	/**
dvander@203: 	 * Scraps the string table.  For caching purposes, the memory
dvander@203: 	 * is not freed, however subsequent calls to AddString() will 
dvander@203: 	 * begin at the first index again.
dvander@203: 	 */
dvander@203: 	void Reset();
dvander@203: 
dvander@203: 	/**
dvander@203: 	 * Returns the parent BaseMemTable that this string table uses.
dvander@203: 	 */
dvander@203: 	inline BaseMemTable *GetMemTable()
dvander@203: 	{
dvander@203: 		return &m_table;
dvander@203: 	}
dvander@203: private:
dvander@203: 	BaseMemTable m_table;
dvander@203: };
dvander@203: 
dvander@203: #endif //_INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_