diff options
Diffstat (limited to 'CPP/7zip/Archive/Common/FilterCoder.h')
-rwxr-xr-x | CPP/7zip/Archive/Common/FilterCoder.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/CPP/7zip/Archive/Common/FilterCoder.h b/CPP/7zip/Archive/Common/FilterCoder.h new file mode 100755 index 00000000..45618172 --- /dev/null +++ b/CPP/7zip/Archive/Common/FilterCoder.h @@ -0,0 +1,130 @@ +// FilterCoder.h + +#ifndef __FILTERCODER_H +#define __FILTERCODER_H + +#include "../../../Common/MyCom.h" +#include "../../ICoder.h" +#include "../../IPassword.h" + +#define MY_QUERYINTERFACE_ENTRY_AG(i, sub0, sub) if (iid == IID_ ## i) \ +{ if (!sub) RINOK(sub0->QueryInterface(IID_ ## i, (void **)&sub)) \ +*outObject = (void *)(i *)this; AddRef(); return S_OK; } + +class CFilterCoder: + public ICompressCoder, + // #ifdef _ST_MODE + public ICompressSetInStream, + public ISequentialInStream, + public ICompressSetOutStream, + public ISequentialOutStream, + public IOutStreamFlush, + // #endif + + #ifndef _NO_CRYPTO + public ICryptoSetPassword, + #endif + #ifndef EXTRACT_ONLY + public ICompressWriteCoderProperties, + #endif + public ICompressSetDecoderProperties2, + public CMyUnknownImp +{ +protected: + Byte *_buffer; + // #ifdef _ST_MODE + CMyComPtr<ISequentialInStream> _inStream; + CMyComPtr<ISequentialOutStream> _outStream; + UInt32 _bufferPos; + UInt32 _convertedPosBegin; + UInt32 _convertedPosEnd; + // #endif + bool _outSizeIsDefined; + UInt64 _outSize; + UInt64 _nowPos64; + + HRESULT Init() + { + _nowPos64 = 0; + _outSizeIsDefined = false; + return Filter->Init(); + } + + CMyComPtr<ICryptoSetPassword> _setPassword; + #ifndef EXTRACT_ONLY + CMyComPtr<ICompressWriteCoderProperties> _writeCoderProperties; + #endif + CMyComPtr<ICompressSetDecoderProperties2> _setDecoderProperties; +public: + CMyComPtr<ICompressFilter> Filter; + + CFilterCoder(); + ~CFilterCoder(); + HRESULT WriteWithLimit(ISequentialOutStream *outStream, UInt32 size); + bool NeedMore() const + { return (!_outSizeIsDefined || (_nowPos64 < _outSize)); } + +public: + MY_QUERYINTERFACE_BEGIN + MY_QUERYINTERFACE_ENTRY(ICompressCoder) + // #ifdef _ST_MODE + MY_QUERYINTERFACE_ENTRY(ICompressSetInStream) + MY_QUERYINTERFACE_ENTRY(ISequentialInStream) + + MY_QUERYINTERFACE_ENTRY(ICompressSetOutStream) + MY_QUERYINTERFACE_ENTRY(ISequentialOutStream) + MY_QUERYINTERFACE_ENTRY(IOutStreamFlush) + // #endif + + #ifndef _NO_CRYPTO + MY_QUERYINTERFACE_ENTRY_AG(ICryptoSetPassword, Filter, _setPassword) + #endif + + #ifndef EXTRACT_ONLY + MY_QUERYINTERFACE_ENTRY_AG(ICompressWriteCoderProperties, Filter, _writeCoderProperties) + #endif + + MY_QUERYINTERFACE_ENTRY_AG(ICompressSetDecoderProperties2, Filter, _setDecoderProperties) + MY_QUERYINTERFACE_END + MY_ADDREF_RELEASE + STDMETHOD(Code)(ISequentialInStream *inStream, + ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize, + ICompressProgressInfo *progress); + // #ifdef _ST_MODE + STDMETHOD(ReleaseInStream)(); + STDMETHOD(SetInStream)(ISequentialInStream *inStream); + STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize); \ + STDMETHOD(SetOutStream)(ISequentialOutStream *outStream); + STDMETHOD(ReleaseOutStream)(); + STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); + STDMETHOD(Flush)(); + // #endif + + #ifndef _NO_CRYPTO + STDMETHOD(CryptoSetPassword)(const Byte *data, UInt32 size); + #endif + #ifndef EXTRACT_ONLY + STDMETHOD(WriteCoderProperties)(ISequentialOutStream *outStream); + #endif + STDMETHOD(SetDecoderProperties2)(const Byte *data, UInt32 size); +}; + +// #ifdef _ST_MODE +class CInStreamReleaser +{ +public: + CFilterCoder *FilterCoder; + CInStreamReleaser(): FilterCoder(0) {} + ~CInStreamReleaser() { if (FilterCoder) FilterCoder->ReleaseInStream(); } +}; + +class COutStreamReleaser +{ +public: + CFilterCoder *FilterCoder; + COutStreamReleaser(): FilterCoder(0) {} + ~COutStreamReleaser() { if (FilterCoder) FilterCoder->ReleaseOutStream(); } +}; +// #endif + +#endif |