sourcemod-central: core/sm_memtable.h@1e48c64a4e9d

     1 /**

     2  * vim: set ts=4 :

     3  * ===============================================================

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

     5  * ===============================================================

     6  *

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

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

     9  * in whole or significant part.

    10  * For information, see LICENSE.txt or http://www.sourcemod.net/license.php

    11  *

    12  * Version: $Id$

    13  */

    15 #ifndef _INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_

    16 #define _INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_

    18 class BaseMemTable

    19 {

    20 public:

    21 	BaseMemTable(unsigned int init_size);

    22 	~BaseMemTable();

    23 public:

    24 	/**

    25 	 * Allocates 'size' bytes of memory.

    26 	 * Optionally outputs the address through 'addr'.

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

    28 	 */

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

    31 	/**

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

    33 	 * Returns NULL if invalid.

    34 	 */

    35 	void *GetAddress(int index);

    37 	/**

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

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

    40 	 * begin at the first index again.

    41 	 */

    42 	void Reset();

    45 private:

    46 	unsigned char *membase;

    47 	unsigned int size;

    48 	unsigned int tail;

    49 };

    51 class BaseStringTable

    52 {

    53 public:

    54 	BaseStringTable(unsigned int init_size);

    55 	~BaseStringTable();

    56 public:

    57 	/**

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

    59 	 */

    60 	int AddString(const char *string);

    62 	/**

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

    64 	 */

    65 	inline const char *GetString(int str)

    66 	{

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

    68 	}

    70 	/**

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

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

    73 	 * begin at the first index again.

    74 	 */

    75 	void Reset();

    77 	/**

    78 	 * Returns the parent BaseMemTable that this string table uses.

    79 	 */

    80 	inline BaseMemTable *GetMemTable()

    81 	{

    82 		return &m_table;

    83 	}

    84 private:

    85 	BaseMemTable m_table;

    86 };

    88 #endif //_INCLUDE_SOURCEMOD_CORE_STRINGTABLE_H_

author	David Anderson <dvander@alliedmods.net>
	Sun Jun 17 05:19:55 2007 +0000 (2007-06-17)
changeset 967	1e48c64a4e9d
parent 653	ef60870067ff
child 1231	17badaf66ce4
permissions	-rw-r--r--