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 kCTime, 83 kATime, 84 kMTime, 85 kWinAttributes, 86 kComment, 87 88 kEncodedHeader, 89 90 kStartPos, 91 kDummy 92 }; 93 } 94 95 }} 96 97 #endif 98
