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// 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
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