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// 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
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