diff options
Diffstat (limited to 'installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/Lzx.h')
-rw-r--r-- | installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/Lzx.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/Lzx.h b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/Lzx.h new file mode 100644 index 000000000..249cbe51b --- /dev/null +++ b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Compress/Lzx.h @@ -0,0 +1,61 @@ +// Lzx.h + +#ifndef __COMPRESS_LZX_H +#define __COMPRESS_LZX_H + +namespace NCompress { +namespace NLzx { + +const int kNumHuffmanBits = 16; +const UInt32 kNumRepDistances = 3; + +const UInt32 kNumLenSlots = 8; +const UInt32 kMatchMinLen = 2; +const UInt32 kNumLenSymbols = 249; +const UInt32 kMatchMaxLen = kMatchMinLen + (kNumLenSlots - 1) + kNumLenSymbols - 1; + +const int kNumAlignBits = 3; +const UInt32 kAlignTableSize = 1 << kNumAlignBits; + +const UInt32 kNumPosSlots = 50; +const UInt32 kNumPosLenSlots = kNumPosSlots * kNumLenSlots; + +const UInt32 kMainTableSize = 256 + kNumPosLenSlots; +const UInt32 kLevelTableSize = 20; +const UInt32 kMaxTableSize = kMainTableSize; + +const int kNumBlockTypeBits = 3; +const int kBlockTypeVerbatim = 1; +const int kBlockTypeAligned = 2; +const int kBlockTypeUncompressed = 3; + +const int kUncompressedBlockSizeNumBits = 24; + +const int kNumBitsForPreTreeLevel = 4; + +const int kLevelSymbolZeros = 17; +const int kLevelSymbolZerosBig = 18; +const int kLevelSymbolSame = 19; + +const int kLevelSymbolZerosStartValue = 4; +const int kLevelSymbolZerosNumBits = 4; + +const int kLevelSymbolZerosBigStartValue = kLevelSymbolZerosStartValue + + (1 << kLevelSymbolZerosNumBits); +const int kLevelSymbolZerosBigNumBits = 5; + +const int kLevelSymbolSameNumBits = 1; +const int kLevelSymbolSameStartValue = 4; + +const int kNumBitsForAlignLevel = 3; + +const int kNumDictionaryBitsMin = 15; +const int kNumDictionaryBitsMax = 21; +const UInt32 kDictionarySizeMax = (1 << kNumDictionaryBitsMax); + +const int kNumLinearPosSlotBits = 17; +const UInt32 kNumPowerPosSlots = 0x26; + +}} + +#endif |