Index: third_party/lzma/v4_65/files/CS/7zip/Compress/LZMA/LzmaBase.cs |
diff --git a/third_party/lzma/v4_65/files/CS/7zip/Compress/LZMA/LzmaBase.cs b/third_party/lzma/v4_65/files/CS/7zip/Compress/LZMA/LzmaBase.cs |
deleted file mode 100644 |
index c7bca86f504a0f621cf12e3dbe9f111b32fedbb8..0000000000000000000000000000000000000000 |
--- a/third_party/lzma/v4_65/files/CS/7zip/Compress/LZMA/LzmaBase.cs |
+++ /dev/null |
@@ -1,76 +0,0 @@ |
-// LzmaBase.cs |
- |
-namespace SevenZip.Compression.LZMA |
-{ |
- internal abstract class Base |
- { |
- public const uint kNumRepDistances = 4; |
- public const uint kNumStates = 12; |
- |
- // static byte []kLiteralNextStates = {0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 4, 5}; |
- // static byte []kMatchNextStates = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10}; |
- // static byte []kRepNextStates = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11}; |
- // static byte []kShortRepNextStates = {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11}; |
- |
- public struct State |
- { |
- public uint Index; |
- public void Init() { Index = 0; } |
- public void UpdateChar() |
- { |
- if (Index < 4) Index = 0; |
- else if (Index < 10) Index -= 3; |
- else Index -= 6; |
- } |
- public void UpdateMatch() { Index = (uint)(Index < 7 ? 7 : 10); } |
- public void UpdateRep() { Index = (uint)(Index < 7 ? 8 : 11); } |
- public void UpdateShortRep() { Index = (uint)(Index < 7 ? 9 : 11); } |
- public bool IsCharState() { return Index < 7; } |
- } |
- |
- public const int kNumPosSlotBits = 6; |
- public const int kDicLogSizeMin = 0; |
- // public const int kDicLogSizeMax = 30; |
- // public const uint kDistTableSizeMax = kDicLogSizeMax * 2; |
- |
- public const int kNumLenToPosStatesBits = 2; // it's for speed optimization |
- public const uint kNumLenToPosStates = 1 << kNumLenToPosStatesBits; |
- |
- public const uint kMatchMinLen = 2; |
- |
- public static uint GetLenToPosState(uint len) |
- { |
- len -= kMatchMinLen; |
- if (len < kNumLenToPosStates) |
- return len; |
- return (uint)(kNumLenToPosStates - 1); |
- } |
- |
- public const int kNumAlignBits = 4; |
- public const uint kAlignTableSize = 1 << kNumAlignBits; |
- public const uint kAlignMask = (kAlignTableSize - 1); |
- |
- public const uint kStartPosModelIndex = 4; |
- public const uint kEndPosModelIndex = 14; |
- public const uint kNumPosModels = kEndPosModelIndex - kStartPosModelIndex; |
- |
- public const uint kNumFullDistances = 1 << ((int)kEndPosModelIndex / 2); |
- |
- public const uint kNumLitPosStatesBitsEncodingMax = 4; |
- public const uint kNumLitContextBitsMax = 8; |
- |
- public const int kNumPosStatesBitsMax = 4; |
- public const uint kNumPosStatesMax = (1 << kNumPosStatesBitsMax); |
- public const int kNumPosStatesBitsEncodingMax = 4; |
- public const uint kNumPosStatesEncodingMax = (1 << kNumPosStatesBitsEncodingMax); |
- |
- public const int kNumLowLenBits = 3; |
- public const int kNumMidLenBits = 3; |
- public const int kNumHighLenBits = 8; |
- public const uint kNumLowLenSymbols = 1 << kNumLowLenBits; |
- public const uint kNumMidLenSymbols = 1 << kNumMidLenBits; |
- public const uint kNumLenSymbols = kNumLowLenSymbols + kNumMidLenSymbols + |
- (1 << kNumHighLenBits); |
- public const uint kMatchMaxLen = kMatchMinLen + kNumLenSymbols - 1; |
- } |
-} |