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zipentry_p.h
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1 /****************************************************************************
2 ** Filename: ZipEntryP.h
3 ** Last updated [dd/mm/yyyy]: 28/01/2007
4 **
5 ** Wrapper for a ZIP local header.
6 **
7 ** Some of the code has been inspired by other open source projects,
8 ** (mainly Info-Zip and Gilles Vollant's minizip).
9 ** Compression and decompression actually uses the zlib library.
10 **
11 ** Copyright (C) 2007-2008 Angius Fabrizio. All rights reserved.
12 **
13 ** This file is part of the OSDaB project (http://osdab.sourceforge.net/).
14 **
15 ** This file may be distributed and/or modified under the terms of the
16 ** GNU General Public License version 2 as published by the Free Software
17 ** Foundation and appearing in the file LICENSE.GPL included in the
18 ** packaging of this file.
19 **
20 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
21 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 **
23 ** See the file LICENSE.GPL that came with this software distribution or
24 ** visit http://www.gnu.org/copyleft/gpl.html for GPL licensing information.
25 **
26 **********************************************************************/
27 
28 //
29 // W A R N I N G
30 // -------------
31 //
32 // This file is not part of the Zip/UnZip API. It exists purely as an
33 // implementation detail. This header file may change from version to
34 // version without notice, or even be removed.
35 //
36 // We mean it.
37 //
38 
39 #ifndef OSDAB_ZIPENTRY_P_H
40 #define OSDAB_ZIPENTRY_P_H
41 
42 #include <array>
43 
44 #include <QtGlobal>
45 #include <QString>
46 
47 class ZipEntryP
48 {
49 public:
51  {
52  lhOffset = 0;
53  dataOffset = 0;
54  gpFlag.fill(0);
55  compMethod = 0;
56  modTime.fill(0);
57  modDate.fill(0);
58  crc = 0;
59  szComp = szUncomp = 0;
60  lhEntryChecked = false;
61  }
62 
63  quint32 lhOffset; // Offset of the local header record for this entry
64  quint32 dataOffset; // Offset of the file data for this entry
65  std::array<uint8_t,2> gpFlag {}; // General purpose flag
66  quint16 compMethod; // Compression method
67  std::array<uint8_t,2> modTime {}; // Last modified time
68  std::array<uint8_t,2> modDate {}; // Last modified date
69  quint32 crc; // CRC32
70  quint32 szComp; // Compressed file size
71  quint32 szUncomp; // Uncompressed file size
72  QString comment; // File comment
73 
74  bool lhEntryChecked; // Is true if the local header record for this entry has been parsed
75 
76  inline bool isEncrypted() const { return ( gpFlag[0] & 0x01 ) != 0; }
77  inline bool hasDataDescriptor() const { return ( gpFlag[0] & 0x08 ) != 0; }
78 };
79 
80 #endif // OSDAB_ZIPENTRY_P_H
ZipEntryP::isEncrypted
bool isEncrypted() const
Definition: zipentry_p.h:76
ZipEntryP::szUncomp
quint32 szUncomp
Definition: zipentry_p.h:71
ZipEntryP::gpFlag
std::array< uint8_t, 2 > gpFlag
Definition: zipentry_p.h:65
ZipEntryP::compMethod
quint16 compMethod
Definition: zipentry_p.h:66
ZipEntryP
Definition: zipentry_p.h:48
ZipEntryP::hasDataDescriptor
bool hasDataDescriptor() const
Definition: zipentry_p.h:77
ZipEntryP::ZipEntryP
ZipEntryP()
Definition: zipentry_p.h:50
ZipEntryP::lhEntryChecked
bool lhEntryChecked
Definition: zipentry_p.h:74
ZipEntryP::szComp
quint32 szComp
Definition: zipentry_p.h:70
ZipEntryP::modTime
std::array< uint8_t, 2 > modTime
Definition: zipentry_p.h:67
ZipEntryP::dataOffset
quint32 dataOffset
Definition: zipentry_p.h:64
ZipEntryP::crc
quint32 crc
Definition: zipentry_p.h:69
ZipEntryP::lhOffset
quint32 lhOffset
Definition: zipentry_p.h:63
ZipEntryP::modDate
std::array< uint8_t, 2 > modDate
Definition: zipentry_p.h:68
ZipEntryP::comment
QString comment
Definition: zipentry_p.h:72