1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/* 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 LASTEXPRESS_HPFARCHIVE_H
#define LASTEXPRESS_HPFARCHIVE_H
/*
Archive file format (.HPF)
uint32 {4} - number of files
// for each file
char {12} - name (zero-terminated)
uint32 {4} - offset (expressed in sectors of 2048 bytes)
uint32 {4} - size (expressed in sectors of 2048 bytes)
byte {2} - file status: 1 = on disk (ie. in HD.HPF), 0 = on CD
*/
#include "common/archive.h"
#include "common/hash-str.h"
#include "common/hashmap.h"
#include "common/str.h"
namespace LastExpress {
class HPFArchive : public Common::Archive {
public:
HPFArchive(const Common::String &path);
bool hasFile(const Common::String &name);
int listMembers(Common::ArchiveMemberList &list);
Common::ArchiveMemberPtr getMember(const Common::String &name);
Common::SeekableReadStream *createReadStreamForMember(const Common::String &name) const;
int count() { return _files.size(); }
private:
static const unsigned int _archiveNameSize = 12;
static const unsigned int _archiveSectorSize = 2048;
// File entry
struct HPFEntry {
uint32 offset; ///< Offset (in sectors of 2048 bytes)
uint32 size; ///< Size (in sectors of 2048 bytes)
uint16 isOnHD; ///< File location (1: on HD; 0: on CD)
};
typedef Common::HashMap<Common::String, HPFEntry, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> FileMap;
FileMap _files; ///< List of files
Common::String _filename; ///< Filename of the archive
};
} // End of namespace LastExpress
#endif // LASTEXPRESS_HPFARCHIVE_H
|
