4.40 beta

7zip/Archive/Nsis/NsisDecode.h

@@ -0,0 +1,47 @@
+// NsisDecode.h
+
+#ifndef __NSIS_DECODE_H
+#define __NSIS_DECODE_H
+
+#include "../../IStream.h"
+
+#include "../Common/CoderLoader.h"
+
+namespace NArchive {
+namespace NNsis {
+
+namespace NMethodType
+{
+  enum EEnum
+  {
+    kCopy,
+    kDeflate,
+    kBZip2,
+    kLZMA
+  };
+}
+
+class CDecoder
+{
+  NMethodType::EEnum _method;
+  CCoderLibraries _libraries;
+
+  CMyComPtr<ISequentialInStream> _filterInStream;
+  CMyComPtr<ISequentialInStream> _codecInStream;
+  CMyComPtr<ISequentialInStream> _decoderInStream;
+
+public:
+  CDecoder();
+  void Release()
+  {
+    _filterInStream.Release();
+    _codecInStream.Release();
+    _decoderInStream.Release();
+  }
+  HRESULT Init(IInStream *inStream, NMethodType::EEnum method, bool thereIsFilterFlag, bool &useFilter);
+  HRESULT Read(void *data, UInt32 size, UInt32 *processedSize);
+};
+
+}}
+
+#endif