diff options
Diffstat (limited to 'src/libs/7zip/unix/CPP/7zip/Compress/ZlibDecoder.h')
-rw-r--r-- | src/libs/7zip/unix/CPP/7zip/Compress/ZlibDecoder.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Compress/ZlibDecoder.h b/src/libs/7zip/unix/CPP/7zip/Compress/ZlibDecoder.h new file mode 100644 index 000000000..95c110022 --- /dev/null +++ b/src/libs/7zip/unix/CPP/7zip/Compress/ZlibDecoder.h @@ -0,0 +1,48 @@ +// 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 |