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// ZlibDecoder.h
#ifndef __ZLIB_DECODER_H
#define __ZLIB_DECODER_H
#include "DeflateDecoder.h"
namespace NCompress {
namespace NZlib {
const UInt32 ADLER_INIT_VAL = 1;
class COutStreamWithAdler:
public ISequentialOutStream,
public CMyUnknownImp
{
CMyComPtr<ISequentialOutStream> _stream;
UInt32 _adler;
public:
MY_UNKNOWN_IMP
STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
void SetStream(ISequentialOutStream *stream) { _stream = stream; }
void ReleaseStream() { _stream.Release(); }
void Init() { _adler = ADLER_INIT_VAL; }
UInt32 GetAdler() const { return _adler; }
};
class CDecoder:
public ICompressCoder,
public CMyUnknownImp
{
COutStreamWithAdler *AdlerSpec;
CMyComPtr<ISequentialOutStream> AdlerStream;
NCompress::NDeflate::NDecoder::CCOMCoder *DeflateDecoderSpec;
CMyComPtr<ICompressCoder> DeflateDecoder;
public:
STDMETHOD(Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream,
const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
UInt64 GetInputProcessedSize() const { return DeflateDecoderSpec->GetInputProcessedSize() + 2; }
MY_UNKNOWN_IMP
};
}}
#endif
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