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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+// LzhDecoder.h
+
+#ifndef ZIP7_INC_COMPRESS_LZH_DECODER_H
+#define ZIP7_INC_COMPRESS_LZH_DECODER_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+#include "../Common/InBuffer.h"
+
+#include "BitmDecoder.h"
+#include "HuffmanDecoder.h"
+#include "LzOutWindow.h"
+
+namespace NCompress {
+namespace NLzh {
+namespace NDecoder {
+
+const unsigned kMatchMinLen = 3;
+const unsigned kMatchMaxLen = 256;
+const unsigned NC = 256 + kMatchMaxLen - kMatchMinLen + 1;
+const unsigned NUM_CODE_BITS = 16;
+const unsigned NUM_DIC_BITS_MAX = 25;
+const unsigned NT = NUM_CODE_BITS + 3;
+const unsigned NP = NUM_DIC_BITS_MAX + 1;
+const unsigned NPT = NP; // Max(NT, NP)
+
+class CCoder
+{
+  CLzOutWindow _outWindow;
+  NBitm::CDecoder<CInBuffer> _inBitStream;
+
+  int _symbolT;
+  int _symbolC;
+  UInt32 DictSize;
+  // bool FinishMode;
+
+  NHuffman::CDecoder256<NUM_CODE_BITS, NPT, 7> _decoderT;
+  NHuffman::CDecoder<NUM_CODE_BITS, NC, 10> _decoderC;
+
+  class CCoderReleaser
+  {
+    CCoder *_coder;
+  public:
+    CCoderReleaser(CCoder *coder): _coder(coder) {}
+    void Disable() { _coder = NULL; }
+    ~CCoderReleaser() { if (_coder) _coder->_outWindow.Flush(); }
+  };
+  friend class CCoderReleaser;
+
+  bool ReadTP(unsigned num, unsigned numBits, int spec);
+  bool ReadC();
+
+  HRESULT CodeReal(UInt32 outSize, ICompressProgressInfo *progress);
+public:
+  CCoder(): DictSize(1 << 16)
+      // , FinishMode(true)
+      {}
+  void SetDictSize(UInt32 dictSize) { DictSize = dictSize; }
+  UInt64 GetInputProcessedSize() const { return _inBitStream.GetProcessedSize(); }
+  HRESULT Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+      UInt32 outSize, ICompressProgressInfo *progress);
+};
+
+}}}
+
+#endif