Mercurial > vba-linux

     1 // Archive/GZip/Header.h

     2 

     3 #ifndef __ARCHIVE_GZIP_HEADER_H

     4 #define __ARCHIVE_GZIP_HEADER_H

     5 

     6 #include "Common/Types.h"

     7 

     8 namespace NArchive {

     9 namespace NGZip {

    10 

    11 extern UInt16 kSignature;

    12 static const UInt32 kSignatureSize = 2;

    13 

    14 namespace NFileHeader

    15 {

    16   /*

    17   struct CBlock

    18   {

    19     UInt16 Id;

    20     Byte CompressionMethod;

    21     Byte Flags;

    22     UInt32 Time;

    23     Byte ExtraFlags;

    24     Byte HostOS;

    25   };

    26   */

    27   

    28   namespace NFlags

    29   {

    30     const int kDataIsText = 1 << 0;

    31     const int kHeaderCRCIsPresent = 1 << 1;

    32     const int kExtraIsPresent = 1 << 2;

    33     const int kNameIsPresent = 1 << 3;

    34     const int kComentIsPresent = 1 << 4;

    35   }

    36   

    37   namespace NExtraFlags

    38   {

    39     enum EEnum

    40     {

    41       kMaximum = 2,

    42       kFastest = 4

    43     };

    44   }

    45   

    46   namespace NCompressionMethod

    47   {

    48     const Byte kDeflate = 8;

    49   }

    50 

    51   namespace NHostOS

    52   {

    53     enum EEnum

    54     {

    55       kFAT      = 0,  // filesystem used by MS-DOS, OS/2, Win32

    56         // pkzip 2.50 (FAT / VFAT / FAT32 file systems)

    57         kAMIGA    = 1,

    58         kVMS      = 2,  // VAX/VMS

    59         kUnix     = 3,

    60         kVM_CMS   = 4,

    61         kAtari    = 5,  // what if it's a minix filesystem? [cjh]

    62         kHPFS     = 6,  // filesystem used by OS/2 (and NT 3.x)

    63         kMac      = 7,

    64         kZ_System = 8,

    65         kCPM      = 9,

    66         kTOPS20   = 10, // pkzip 2.50 NTFS

    67         kNTFS     = 11, // filesystem used by Windows NT

    68         kQDOS     = 12, // SMS/QDOS

    69         kAcorn    = 13, // Archimedes Acorn RISC OS

    70         kVFAT     = 14, // filesystem used by Windows 95, NT

    71         kMVS      = 15,

    72         kBeOS     = 16, // hybrid POSIX/database filesystem

    73                         // BeBOX or PowerMac

    74         kTandem   = 17,

    75         kTHEOS    = 18,

    76 

    77         kUnknown = 255

    78     };

    79     const int kNumHostSystems = 19;

    80   }

    81 }

    82 

    83 }}

    84 

    85 #endif
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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