chore: initial commit (extracted from Launchers monorepo)

Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
2026-04-29 14:07:51 +02:00
commit d074cc7c07
3848 changed files with 1076682 additions and 0 deletions
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+// Rar5Decoder.h
+// According to unRAR license, this code may not be used to develop
+// a program that creates RAR archives
+
+#ifndef ZIP7_INC_COMPRESS_RAR5_DECODER_H
+#define ZIP7_INC_COMPRESS_RAR5_DECODER_H
+
+#include "../../Common/MyBuffer2.h"
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+#include "HuffmanDecoder.h"
+
+namespace NCompress {
+namespace NRar5 {
+
+class CBitDecoder;
+
+struct CFilter
+{
+  Byte Type;
+  Byte Channels;
+  UInt32 Size;
+  UInt64 Start;
+};
+
+
+const unsigned kNumReps = 4;
+const unsigned kLenTableSize = 11 * 4;
+const unsigned kMainTableSize = 256 + 1 + 1 + kNumReps + kLenTableSize;
+const unsigned kExtraDistSymbols_v7 = 16;
+const unsigned kDistTableSize_v6 = 64;
+const unsigned kDistTableSize_MAX = 64 + kExtraDistSymbols_v7;
+const unsigned kNumAlignBits = 4;
+const unsigned kAlignTableSize = 1 << kNumAlignBits;
+
+const unsigned kNumHufBits = 15;
+
+const unsigned k_NumHufTableBits_Main = 10;
+const unsigned k_NumHufTableBits_Dist = 7;
+const unsigned k_NumHufTableBits_Len = 7;
+const unsigned k_NumHufTableBits_Align = 6;
+
+const unsigned DICT_SIZE_BITS_MAX = 40;
+
+Z7_CLASS_IMP_NOQIB_2(
+  CDecoder
+  , ICompressCoder
+  , ICompressSetDecoderProperties2
+)
+  bool _useAlignBits;
+  bool _isLastBlock;
+  bool _unpackSize_Defined;
+  // bool _packSize_Defined;
+  
+  bool _unsupportedFilter;
+  Byte _lzError;
+  bool _writeError;
+
+  bool _isSolid;
+  // bool _solidAllowed;
+  bool _is_v7;
+  bool _tableWasFilled;
+  bool _wasInit;
+
+  Byte _exitType;
+
+  // Byte _dictSizeLog;
+  size_t _dictSize;
+  Byte *_window;
+  size_t _winPos;
+  size_t _winSize;
+  size_t _dictSize_forCheck;
+  size_t _limit;
+  const Byte *_buf_Res;
+  UInt64 _lzSize;
+  size_t _reps[kNumReps];
+  unsigned _bitPos_Res;
+  UInt32 _lastLen;
+
+  // unsigned _numCorrectDistSymbols;
+  unsigned _numUnusedFilters;
+  unsigned _numFilters;
+
+  UInt64 _lzWritten;
+  UInt64 _lzFileStart;
+  UInt64 _unpackSize;
+  // UInt64 _packSize;
+  UInt64 _lzEnd;
+  UInt64 _writtenFileSize;
+  UInt64 _filterEnd;
+  UInt64 _progress_Pack;
+  UInt64 _progress_Unpack;
+  CAlignedBuffer _filterSrc;
+  CAlignedBuffer _filterDst;
+
+  CFilter *_filters;
+  size_t _winSize_Allocated;
+  ISequentialInStream *_inStream;
+  ISequentialOutStream *_outStream;
+  ICompressProgressInfo *_progress;
+  Byte *_inputBuf;
+
+  NHuffman::CDecoder<kNumHufBits, kMainTableSize,  k_NumHufTableBits_Main>  m_MainDecoder;
+  NHuffman::CDecoder256<kNumHufBits, kDistTableSize_MAX,  k_NumHufTableBits_Dist>  m_DistDecoder;
+  NHuffman::CDecoder256<kNumHufBits, kAlignTableSize,     k_NumHufTableBits_Align> m_AlignDecoder;
+  NHuffman::CDecoder256<kNumHufBits, kLenTableSize,       k_NumHufTableBits_Len>   m_LenDecoder;
+  Byte m_LenPlusTable[DICT_SIZE_BITS_MAX];
+
+  void InitFilters()
+  {
+    _numUnusedFilters = 0;
+    _numFilters = 0;
+  }
+  void DeleteUnusedFilters();
+  HRESULT WriteData(const Byte *data, size_t size);
+  HRESULT ExecuteFilter(const CFilter &f);
+  HRESULT WriteBuf();
+  HRESULT AddFilter(CBitDecoder &_bitStream);
+  HRESULT ReadTables(CBitDecoder &_bitStream);
+  HRESULT DecodeLZ2(const CBitDecoder &_bitStream) throw();
+  HRESULT DecodeLZ();
+  HRESULT CodeReal();
+public:
+  CDecoder();
+  ~CDecoder();
+};
+
+}}
+
+#endif