3.13

7zip/Archive/Cab/LZXConst.h

@@ -0,0 +1,112 @@
+// Archive/Cab/LZXConst.h
+
+#ifndef __ARCHIVE_CAB_LZXCONST_H
+#define __ARCHIVE_CAB_LZXCONST_H
+
+#include "LZXExtConst.h"
+
+namespace NArchive {
+namespace NCab {
+namespace NLZX {
+
+
+namespace NBlockType
+{
+  const int kNumBits = 3;
+  enum EEnum
+  {
+    kVerbatim = 1,
+    kAligned = 2,
+    kUncompressed = 3
+  };
+}
+
+const int kUncompressedBlockSizeNumBits = 24;
+
+const UINT32 kLevelTableSize = 20;
+
+const UINT32 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 kNumBitsForAlignLevel = 3;
+
+const int kLevelSymbolSameNumBits = 1;
+const int kLevelSymbolSameStartValue = 4;
+  
+// const UINT32 kMainTableSize = 256 + kNumPosLenSlots + 1;
+
+/*
+const UINT32 kLenTableSize = 28;
+
+const UINT32 kLenTableStart = kMainTableSize;
+const UINT32 kAlignTableStart = kLenTableStart + kLenTableSize;
+
+const UINT32 kHeapTablesSizesSum = kMainTableSize + kLenTableSize + kAlignTableSize;
+
+
+const UINT32 kMaxTableSize = kHeapTablesSizesSum;
+
+const UINT32 kTableDirectLevels = 16;
+const UINT32 kTableLevelRepNumber = kTableDirectLevels;
+const UINT32 kTableLevel0Number = kTableLevelRepNumber + 1;
+const UINT32 kTableLevel0Number2 = kTableLevel0Number + 1;
+
+const UINT32 kLevelMask = 0xF;
+
+const UINT32 kPosLenNumber = 256;
+const UINT32 kReadTableNumber = 256 + kNumPosLenSlots;
+
+//const UINT32 kMatchNumber = kReadTableNumber + 1;
+
+const BYTE kLenStart[kLenTableSize]      = 
+  {0,1,2,3,4,5,6,7,8,10,12,14,16,20,24,28,32,40,48,56,64,80,96,112,128,160,192,224};
+const BYTE kLenDirectBits[kLenTableSize] = 
+  {0,0,0,0,0,0,0,0,1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4,  4,  5,  5,  5,  5};
+*/
+
+const UINT32 kDistStart[]  = 
+{ 0,1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384,512,768,1024,
+  1536,2048,3072,4096,6144,8192,12288,16384,24576,32768,49152,65536,98304,131072,196608,
+  0x40000,
+  0x60000,
+  0x80000,
+  0xA0000,
+  0xC0000,
+  0xE0000,
+
+  0x100000, 
+  0x120000, 
+  0x140000, 
+  0x160000, 
+  0x180000, 
+  0x1A0000, 
+  0x1C0000, 
+  0x1E0000
+};
+const BYTE kDistDirectBits[] = 
+{
+  0,0,0,0,1,1,2, 2, 3, 3, 4, 4, 5, 5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
+  17, 17, 17, 17, 17, 17, 
+  17, 17,17, 17, 17, 17, 17, 17
+};
+
+/*
+const BYTE kLevelDirectBits[kLevelTableSize] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 3, 7};
+
+const UINT32 kDistLimit2 = 0x101 - 1;
+*/
+
+
+}}}
+
+#endif