1 files changed, 92 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Compress/XzDecoder.h b/other-licenses/7zstub/src/CPP/7zip/Compress/XzDecoder.h
new file mode 100644
index 0000000000..76694eec07
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/7zip/Compress/XzDecoder.h
@@ -0,0 +1,92 @@
+// XzDecoder.h
+
+#ifndef __XZ_DECODER_H
+#define __XZ_DECODER_H
+
+#include "../../../C/Xz.h"
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+
+namespace NCompress {
+namespace NXz {
+
+struct CDecoder
+{
+  CXzDecMtHandle xz;
+  int _tryMt;
+  UInt32 _numThreads;
+  UInt64 _memUsage;
+
+  SRes MainDecodeSRes; // it's not HRESULT
+  bool MainDecodeSRes_wasUsed;
+  CXzStatInfo Stat;
+
+  CDecoder():
+      xz(NULL),
+      _tryMt(True),
+      _numThreads(1),
+      _memUsage((UInt64)(sizeof(size_t)) << 28),
+      MainDecodeSRes(SZ_OK),
+      MainDecodeSRes_wasUsed(false)
+    {}
+  
+  ~CDecoder()
+  {
+    if (xz)
+      XzDecMt_Destroy(xz);
+  }
+
+  /* Decode() can return ERROR code only if there is progress or stream error.
+     Decode() returns S_OK in case of xz decoding error, but DecodeRes and CStatInfo contain error information */
+  HRESULT Decode(ISequentialInStream *seqInStream, ISequentialOutStream *outStream,
+      const UInt64 *outSizeLimit, bool finishStream, ICompressProgressInfo *compressProgress);
+};
+
+
+class CComDecoder:
+  public ICompressCoder,
+  public ICompressSetFinishMode,
+  public ICompressGetInStreamProcessedSize,
+
+  #ifndef _7ZIP_ST
+  public ICompressSetCoderMt,
+  public ICompressSetMemLimit,
+  #endif
+
+  public CMyUnknownImp,
+  public CDecoder
+{
+  bool _finishStream;
+
+public:
+  MY_QUERYINTERFACE_BEGIN2(ICompressCoder)
+
+  MY_QUERYINTERFACE_ENTRY(ICompressSetFinishMode)
+  MY_QUERYINTERFACE_ENTRY(ICompressGetInStreamProcessedSize)
+
+  #ifndef _7ZIP_ST
+  MY_QUERYINTERFACE_ENTRY(ICompressSetCoderMt)
+  MY_QUERYINTERFACE_ENTRY(ICompressSetMemLimit)
+  #endif
+  
+  MY_QUERYINTERFACE_END
+  MY_ADDREF_RELEASE
+
+  STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+  STDMETHOD(SetFinishMode)(UInt32 finishMode);
+  STDMETHOD(GetInStreamProcessedSize)(UInt64 *value);
+
+  #ifndef _7ZIP_ST
+  STDMETHOD(SetNumberOfThreads)(UInt32 numThreads);
+  STDMETHOD(SetMemLimit)(UInt64 memUsage);
+  #endif
+
+  CComDecoder(): _finishStream(false) {}
+};
+
+}}
+
+#endif