/**
 * 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_CDATAPACK_H_
#define _INCLUDE_SOURCEMOD_CDATAPACK_H_

#include <IDataPack.h>

using namespace SourceMod;

class CDataPack : public IDataPack
{
public:
	CDataPack();
	~CDataPack();
public: //IDataReader
	void Reset() const;
	size_t GetPosition() const;
	bool SetPosition(size_t pos) const;
	cell_t ReadCell() const;
	float ReadFloat() const;
	bool IsReadable(size_t bytes) const;
	const char *ReadString(size_t *len) const;
	void *GetMemory() const;
	void *ReadMemory(size_t *size) const;
public: //IDataPack
	void ResetSize();
	void PackCell(cell_t cell);
	void PackFloat(float val);
	void PackString(const char *string);
	size_t CreateMemory(size_t size, void **addr);
public:
	void Initialize();
private:
	void CheckSize(size_t sizetype);
private:
	char *m_pBase;
	mutable char *m_curptr;
	size_t m_capacity;
	size_t m_size;
};

#endif //_INCLUDE_SOURCEMOD_CDATAPACK_H_