Simone
d074cc7c07
Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
// HfsHandler.h
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#ifndef ZIP7_INC_HFS_HANDLER_H
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#define ZIP7_INC_HFS_HANDLER_H
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#include "../../Windows/PropVariant.h"
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#include "../Compress/LzfseDecoder.h"
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#include "../Compress/ZlibDecoder.h"
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namespace NArchive {
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namespace NHfs {
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static const UInt32 k_decmpfs_HeaderSize = 16;
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struct CCompressHeader
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{
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UInt64 UnpackSize;
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UInt32 Method;
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Byte DataPos;
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bool IsCorrect;
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bool IsSupported;
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bool IsResource;
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bool IsMethod_Compressed_Inline() const { return DataPos == k_decmpfs_HeaderSize; }
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bool IsMethod_Uncompressed_Inline() const { return DataPos == k_decmpfs_HeaderSize + 1; }
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bool IsMethod_Resource() const { return IsResource; }
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void Parse(const Byte *p, size_t size);
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void Clear()
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{
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UnpackSize = 0;
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Method = 0;
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DataPos = 0;
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IsCorrect = false;
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IsSupported = false;
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IsResource = false;
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}
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CCompressHeader() { Clear(); }
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void MethodToProp(NWindows::NCOM::CPropVariant &prop) const;
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};
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void MethodsMaskToProp(UInt32 methodsMask, NWindows::NCOM::CPropVariant &prop);
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class CDecoder
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{
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CMyComPtr2_Create<ICompressCoder, NCompress::NZlib::CDecoder> _zlibDecoder;
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CMyComPtr2_Create<ICompressCoder, NCompress::NLzfse::CDecoder> _lzfseDecoder;
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CByteBuffer _tableBuf;
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CByteBuffer _buf;
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HRESULT ExtractResourceFork_ZLIB(
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ISequentialInStream *inStream, ISequentialOutStream *realOutStream,
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UInt64 forkSize, UInt64 unpackSize,
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UInt64 progressStart, IArchiveExtractCallback *extractCallback);
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HRESULT ExtractResourceFork_LZFSE(
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ISequentialInStream *inStream, ISequentialOutStream *realOutStream,
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UInt64 forkSize, UInt64 unpackSize,
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UInt64 progressStart, IArchiveExtractCallback *extractCallback);
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HRESULT ExtractResourceFork_ZBM(
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ISequentialInStream *inStream, ISequentialOutStream *realOutStream,
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UInt64 forkSize, UInt64 unpackSize,
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UInt64 progressStart, IArchiveExtractCallback *extractCallback);
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public:
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HRESULT Extract(
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ISequentialInStream *inStreamFork, ISequentialOutStream *realOutStream,
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UInt64 forkSize,
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const CCompressHeader &compressHeader,
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const CByteBuffer *data,
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UInt64 progressStart, IArchiveExtractCallback *extractCallback,
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int &opRes);
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CDecoder(bool IsAdlerOptional);
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};
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}}
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#endif
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