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
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+// ZDecoder.h
+
+#ifndef ZIP7_INC_COMPRESS_Z_DECODER_H
+#define ZIP7_INC_COMPRESS_Z_DECODER_H
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+namespace NCompress {
+namespace NZ {
+
+// Z decoder decodes Z data stream, including 3 bytes of header.
+  
+class CDecoder
+{
+  UInt16 *_parents;
+  Byte *_suffixes;
+  Byte *_stack;
+  unsigned _numMaxBits;
+
+public:
+  CDecoder(): _parents(NULL), _suffixes(NULL), _stack(NULL), /* _prop(0), */ _numMaxBits(0) {}
+  ~CDecoder();
+  void Free();
+  // UInt64 PackSize;
+
+  HRESULT Code(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+    ICompressProgressInfo *progress);
+};
+
+/*
+  There is no end_of_payload_marker in Z stream.
+  Z decoder stops decoding, if it reaches end of input stream.
+   
+  CheckStream function:
+    (size) must be at least 3 bytes (size of Z header).
+    if (size) is larger than size of real Z stream in (data), CheckStream can return false.
+*/
+
+const unsigned kRecommendedCheckSize = 64;
+
+bool CheckStream(const Byte *data, size_t size);
+
+}}
+
+#endif