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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /other-licenses/7zstub/src/7zip/Compress/LZMA/LZMA.h | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Compress/LZMA/LZMA.h')
| -rw-r--r-- | other-licenses/7zstub/src/7zip/Compress/LZMA/LZMA.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Compress/LZMA/LZMA.h b/other-licenses/7zstub/src/7zip/Compress/LZMA/LZMA.h new file mode 100644 index 000000000..d53296ee7 --- /dev/null +++ b/other-licenses/7zstub/src/7zip/Compress/LZMA/LZMA.h @@ -0,0 +1,82 @@ +// LZMA.h
+
+#ifndef __LZMA_H
+#define __LZMA_H
+
+namespace NCompress {
+namespace NLZMA {
+
+const UInt32 kNumRepDistances = 4;
+
+const int kNumStates = 12;
+
+const Byte kLiteralNextStates[kNumStates] = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5};
+const Byte kMatchNextStates[kNumStates] = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10};
+const Byte kRepNextStates[kNumStates] = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11};
+const Byte kShortRepNextStates[kNumStates]= {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11};
+
+class CState
+{
+public:
+ Byte Index;
+ void Init() { Index = 0; }
+ void UpdateChar() { Index = kLiteralNextStates[Index]; }
+ void UpdateMatch() { Index = kMatchNextStates[Index]; }
+ void UpdateRep() { Index = kRepNextStates[Index]; }
+ void UpdateShortRep() { Index = kShortRepNextStates[Index]; }
+ bool IsCharState() const { return Index < 7; }
+};
+
+const int kNumPosSlotBits = 6;
+const int kDicLogSizeMin = 0;
+const int kDicLogSizeMax = 32;
+const int kDistTableSizeMax = kDicLogSizeMax * 2;
+
+const UInt32 kNumLenToPosStates = 4;
+
+inline UInt32 GetLenToPosState(UInt32 len)
+{
+ len -= 2;
+ if (len < kNumLenToPosStates)
+ return len;
+ return kNumLenToPosStates - 1;
+}
+
+namespace NLength {
+
+const int kNumPosStatesBitsMax = 4;
+const UInt32 kNumPosStatesMax = (1 << kNumPosStatesBitsMax);
+
+const int kNumPosStatesBitsEncodingMax = 4;
+const UInt32 kNumPosStatesEncodingMax = (1 << kNumPosStatesBitsEncodingMax);
+
+const int kNumLowBits = 3;
+const int kNumMidBits = 3;
+const int kNumHighBits = 8;
+const UInt32 kNumLowSymbols = 1 << kNumLowBits;
+const UInt32 kNumMidSymbols = 1 << kNumMidBits;
+const UInt32 kNumSymbolsTotal = kNumLowSymbols + kNumMidSymbols + (1 << kNumHighBits);
+
+}
+
+const UInt32 kMatchMinLen = 2;
+const UInt32 kMatchMaxLen = kMatchMinLen + NLength::kNumSymbolsTotal - 1;
+
+const int kNumAlignBits = 4;
+const UInt32 kAlignTableSize = 1 << kNumAlignBits;
+const UInt32 kAlignMask = (kAlignTableSize - 1);
+
+const UInt32 kStartPosModelIndex = 4;
+const UInt32 kEndPosModelIndex = 14;
+const UInt32 kNumPosModels = kEndPosModelIndex - kStartPosModelIndex;
+
+const UInt32 kNumFullDistances = 1 << (kEndPosModelIndex / 2);
+
+const int kNumLitPosStatesBitsEncodingMax = 4;
+const int kNumLitContextBitsMax = 8;
+
+const int kNumMoveBits = 5;
+
+}}
+
+#endif
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