9.06 beta

CPP/7zip/Compress/ZlibEncoder.h

@@ -0,0 +1,48 @@
+// ZlibEncoder.h
+
+#ifndef __ZLIB_ENCODER_H
+#define __ZLIB_ENCODER_H
+
+#include "DeflateEncoder.h"
+
+namespace NCompress {
+namespace NZlib {
+
+class CInStreamWithAdler:
+  public ISequentialInStream,
+  public CMyUnknownImp
+{
+  CMyComPtr<ISequentialInStream> _stream;
+  UInt32 _adler;
+  UInt64 _size;
+public:
+  MY_UNKNOWN_IMP
+  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+  void SetStream(ISequentialInStream *stream) { _stream = stream; }
+  void ReleaseStream() { _stream.Release(); }
+  void Init() { _adler = 1; _size = 0; } // ADLER_INIT_VAL
+  UInt32 GetAdler() const { return _adler; }
+  UInt64 GetSize() const { return _size; }
+};
+
+class CEncoder:
+  public ICompressCoder,
+  public CMyUnknownImp
+{
+  CInStreamWithAdler *AdlerSpec;
+  CMyComPtr<ISequentialInStream> AdlerStream;
+  CMyComPtr<ICompressCoder> DeflateEncoder;
+public:
+  NCompress::NDeflate::NEncoder::CCOMCoder *DeflateEncoderSpec;
+  
+  void Create();
+  STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
+      const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
+  UInt64 GetInputProcessedSize() const { return AdlerSpec->GetSize(); }
+
+  MY_UNKNOWN_IMP
+};
+
+}}
+
+#endif