Initialer Commit

CPP/7zip/Archive/Rar/RarHeader.h

@@ -0,0 +1,209 @@
+// Archive/RarHeader.h
+
+#ifndef __ARCHIVE_RAR_HEADER_H
+#define __ARCHIVE_RAR_HEADER_H
+
+#include "../../../Common/MyTypes.h"
+
+namespace NArchive {
+namespace NRar {
+namespace NHeader {
+
+const unsigned kMarkerSize = 7;
+  
+const unsigned kArchiveSolid = 0x1;
+
+namespace NBlockType
+{
+  enum EBlockType
+  {
+    kMarker = 0x72,
+    kArchiveHeader,
+    kFileHeader,
+    kCommentHeader,
+    kOldAuthenticity,
+    kOldSubBlock,
+    kRecoveryRecord,
+    kAuthenticity,
+    kSubBlock,
+    kEndOfArchive
+  };
+}
+
+namespace NArchive
+{
+  const UInt16 kVolume  = 1;
+  const UInt16 kComment = 2;
+  const UInt16 kLock    = 4;
+  const UInt16 kSolid   = 8;
+  const UInt16 kNewVolName = 0x10; // ('volname.partN.rar')
+  const UInt16 kAuthenticity  = 0x20;
+  const UInt16 kRecovery = 0x40;
+  const UInt16 kBlockEncryption  = 0x80;
+  const UInt16 kFirstVolume = 0x100; // (set only by RAR 3.0 and later)
+
+  // const UInt16 kEncryptVer = 0x200; // RAR 3.6 : that feature was discarded by origial RAR
+
+  const UInt16 kEndOfArc_Flags_NextVol   = 1;
+  const UInt16 kEndOfArc_Flags_DataCRC   = 2;
+  const UInt16 kEndOfArc_Flags_RevSpace  = 4;
+  const UInt16 kEndOfArc_Flags_VolNumber = 8;
+
+  const unsigned kHeaderSizeMin = 7;
+  
+  const unsigned kArchiveHeaderSize = 13;
+
+  const unsigned kBlockHeadersAreEncrypted = 0x80;
+}
+
+namespace NFile
+{
+  const unsigned kSplitBefore = 1 << 0;
+  const unsigned kSplitAfter  = 1 << 1;
+  const unsigned kEncrypted   = 1 << 2;
+  const unsigned kComment     = 1 << 3;
+  const unsigned kSolid       = 1 << 4;
+  
+  const unsigned kDictBitStart     = 5;
+  const unsigned kNumDictBits  = 3;
+  const unsigned kDictMask         = (1 << kNumDictBits) - 1;
+  const unsigned kDictDirectoryValue  = 0x7;
+  
+  const unsigned kSize64Bits    = 1 << 8;
+  const unsigned kUnicodeName   = 1 << 9;
+  const unsigned kSalt          = 1 << 10;
+  const unsigned kOldVersion    = 1 << 11;
+  const unsigned kExtTime       = 1 << 12;
+  // const unsigned kExtFlags      = 1 << 13;
+  // const unsigned kSkipIfUnknown = 1 << 14;
+
+  const unsigned kLongBlock    = 1 << 15;
+  
+  /*
+  struct CBlock
+  {
+    // UInt16 HeadCRC;
+    // Byte Type;
+    // UInt16 Flags;
+    // UInt16 HeadSize;
+    UInt32 PackSize;
+    UInt32 UnPackSize;
+    Byte HostOS;
+    UInt32 FileCRC;
+    UInt32 Time;
+    Byte UnPackVersion;
+    Byte Method;
+    UInt16 NameSize;
+    UInt32 Attributes;
+  };
+  */
+
+  /*
+  struct CBlock32
+  {
+    UInt16 HeadCRC;
+    Byte Type;
+    UInt16 Flags;
+    UInt16 HeadSize;
+    UInt32 PackSize;
+    UInt32 UnPackSize;
+    Byte HostOS;
+    UInt32 FileCRC;
+    UInt32 Time;
+    Byte UnPackVersion;
+    Byte Method;
+    UInt16 NameSize;
+    UInt32 Attributes;
+    UInt16 GetRealCRC(const void *aName, UInt32 aNameSize,
+        bool anExtraDataDefined = false, Byte *anExtraData = 0) const;
+  };
+  struct CBlock64
+  {
+    UInt16 HeadCRC;
+    Byte Type;
+    UInt16 Flags;
+    UInt16 HeadSize;
+    UInt32 PackSizeLow;
+    UInt32 UnPackSizeLow;
+    Byte HostOS;
+    UInt32 FileCRC;
+    UInt32 Time;
+    Byte UnPackVersion;
+    Byte Method;
+    UInt16 NameSize;
+    UInt32 Attributes;
+    UInt32 PackSizeHigh;
+    UInt32 UnPackSizeHigh;
+    UInt16 GetRealCRC(const void *aName, UInt32 aNameSize) const;
+  };
+  */
+  
+  const unsigned kLabelFileAttribute            = 0x08;
+  const unsigned kWinFileDirectoryAttributeMask = 0x10;
+  
+  enum CHostOS
+  {
+    kHostMSDOS = 0,
+    kHostOS2   = 1,
+    kHostWin32 = 2,
+    kHostUnix  = 3,
+    kHostMacOS = 4,
+    kHostBeOS  = 5
+  };
+}
+
+namespace NBlock
+{
+  const UInt16 kLongBlock = 1 << 15;
+  struct CBlock
+  {
+    UInt16 CRC;
+    Byte Type;
+    UInt16 Flags;
+    UInt16 HeadSize;
+    //  UInt32 DataSize;
+  };
+}
+
+/*
+struct CSubBlock
+{
+  UInt16 HeadCRC;
+  Byte HeadType;
+  UInt16 Flags;
+  UInt16 HeadSize;
+  UInt32 DataSize;
+  UInt16 SubType;
+  Byte Level; // Reserved : Must be 0
+};
+
+struct CCommentBlock
+{
+  UInt16 HeadCRC;
+  Byte HeadType;
+  UInt16 Flags;
+  UInt16 HeadSize;
+  UInt16 UnpSize;
+  Byte UnpVer;
+  Byte Method;
+  UInt16 CommCRC;
+};
+
+
+struct CProtectHeader
+{
+  UInt16 HeadCRC;
+  Byte HeadType;
+  UInt16 Flags;
+  UInt16 HeadSize;
+  UInt32 DataSize;
+  Byte Version;
+  UInt16 RecSectors;
+  UInt32 TotalBlocks;
+  Byte Mark[8];
+};
+*/
+
+}}}
+
+#endif