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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.

* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/

#ifndef MACVENTURE_CONTAINER_H
#define MACVENTURE_CONTAINER_H

#include "macventure/macventure.h"

#include "common/file.h"
#include "common/fs.h"
#include "common/bitstream.h"

namespace MacVenture {

struct ItemGroup {
	uint32 bitOffset; //It's really uint24
	uint32 offset; //It's really uint24
	uint32 lengths[64];
};

typedef uint32 ContainerHeader;

class Container {

public:
	Container(Common::String filename);
	~Container();

public:
	/**
	* Must be called before retrieving an object.
	*/
	uint32 getItemByteSize(uint32 id);

	/**
	* getItemByteSize should be called before this one
	*/
	Common::SeekableReadStream *getItem(uint32 id);

protected:

	bool _simplified;

	uint _lenObjs; // In the case of simple container, lenght of an object
	uint _numObjs;

	ContainerHeader _header;

	Common::Array<uint16> _huff; // huffman masks
	Common::Array<uint8> _lens; // huffman lengths
	Common::Array<ItemGroup> _groups;

	Common::String _filename;
	Common::File _file;
	Common::SeekableReadStream *_res;

};


} // End of namespace MacVenture

#endif