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-rw-r--r--other-licenses/7zstub/src/CPP/7zip/Compress/XzDecoder.h92
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 000000000..76694eec0
--- /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