/**

* 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_CMSGIDPOOL_H_

#define _INCLUDE_SOURCEMOD_CMSGIDPOOL_H_

#include "sm_trie.h"

#include "sourcemm_api.h"

#define INVALID_MESSAGE_ID -1

class CMessageIdPool

{

public:

	CMessageIdPool()

	{

		m_Names = sm_trie_create();

	}

	~CMessageIdPool()

	{

		sm_trie_destroy(m_Names);

	}

public:

	int GetMessageId(const char *name)

	{

		int msgid;

		if (!sm_trie_retrieve(m_Names, name, reinterpret_cast<void **>(&msgid)))

		{

			char buf[255];

			int dummy;

			msgid = 0;

			while (gamedll->GetUserMessageInfo(msgid, buf, sizeof(buf), dummy))

			{

				if (strcmp(name, buf) == 0)

				{

					sm_trie_insert(m_Names, name, reinterpret_cast<void *>(msgid));

					return msgid;

				}

				msgid++;

			}

			return INVALID_MESSAGE_ID;

		}

		return msgid;

	}

private:

	Trie *m_Names;

};

#endif //_INCLUDE_SOURCEMOD_CMSGIDPOOL_H_