1 // 7z/7zHeader.h

     2 

     3 #ifndef __7Z_HEADER_H

     4 #define __7Z_HEADER_H

     5 

     6 #include "../../../Common/Types.h"

     7 

     8 namespace NArchive {

     9 namespace N7z {

    10 

    11 const int kSignatureSize = 6;

    12 extern Byte kSignature[kSignatureSize];

    13 

    14 // #define _7Z_VOL

    15 // 7z-MultiVolume is not finished yet.

    16 // It can work already, but I still do not like some 

    17 // things of that new multivolume format.

    18 // So please keep it commented.

    19 

    20 #ifdef _7Z_VOL

    21 extern Byte kFinishSignature[kSignatureSize];

    22 #endif

    23 

    24 struct CArchiveVersion

    25 {

    26   Byte Major;

    27   Byte Minor;

    28 };

    29 

    30 const Byte kMajorVersion = 0;

    31 

    32 struct CStartHeader

    33 {

    34   UInt64 NextHeaderOffset;

    35   UInt64 NextHeaderSize;

    36   UInt32 NextHeaderCRC;

    37 };

    38 

    39 const UInt32 kStartHeaderSize = 20;

    40 

    41 #ifdef _7Z_VOL

    42 struct CFinishHeader: public CStartHeader

    43 {

    44   UInt64 ArchiveStartOffset;  // data offset from end if that struct

    45   UInt64 AdditionalStartBlockSize; // start  signature & start header size

    46 };

    47 

    48 const UInt32 kFinishHeaderSize = kStartHeaderSize + 16;

    49 #endif

    50 

    51 namespace NID

    52 {

    53   enum EEnum

    54   {

    55     kEnd,

    56 

    57     kHeader,

    58 

    59     kArchiveProperties,

    60     

    61     kAdditionalStreamsInfo,

    62     kMainStreamsInfo,

    63     kFilesInfo,

    64     

    65     kPackInfo,

    66     kUnPackInfo,

    67     kSubStreamsInfo,

    68 

    69     kSize,

    70     kCRC,

    71 

    72     kFolder,

    73 

    74     kCodersUnPackSize,

    75     kNumUnPackStream,

    76 

    77     kEmptyStream,

    78     kEmptyFile,

    79     kAnti,

    80 

    81     kName,

    82     kCreationTime,

    83     kLastAccessTime,

    84     kLastWriteTime,

    85     kWinAttributes,

    86     kComment,

    87 

    88     kEncodedHeader,

    89 

    90     kStartPos

    91   };

    92 }

    93 

    94 }}

    95 

    96 #endif