1 /* ScummVM - Graphic Adventure Engine
2  *
3  * ScummVM is the legal property of its developers, whose names
4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef BLADERUNNER_ARCHIVE_H
24 #define BLADERUNNER_ARCHIVE_H
25 
26 #include "common/array.h"
27 #include "common/file.h"
28 #include "common/substream.h"
29 
30 namespace BladeRunner {
31 
32 class MIXArchive {
33 public:
34 	MIXArchive();
35 	~MIXArchive();
36 
37 	static int32 getHash(const Common::String &name);
38 	static bool exists(const Common::String &filename);
39 
40 	bool open(const Common::String &filename);
41 	void close();
42 	bool isOpen() const;
43 
getName()44 	Common::String getName() const { return _fd.getName(); }
45 
46 	Common::SeekableReadStream *createReadStreamForMember(const Common::String &name);
47 
48 private:
49 	Common::File _fd;
50 	bool _isTLK;
51 
52 	uint16 _entryCount;
53 	uint32 _size;
54 
55 	struct ArchiveEntry {
56 		int32  hash;
57 		uint32 offset;
58 		uint32 length;
59 	};
60 
61 	Common::Array<ArchiveEntry> _entries;
62 
63 	uint32 indexForHash(int32 hash) const;
64 };
65 
66 
67 } // End of namespace BladeRunner
68 
69 #endif
70