mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-06 13:14:59 -06:00
424 lines
10 KiB
C++
Executable File
424 lines
10 KiB
C++
Executable File
// Bz2Handler.cpp
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#include "StdAfx.h"
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#include "Common/ComTry.h"
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#include "Windows/PropVariant.h"
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#ifdef COMPRESS_MT
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#include "../../Windows/System.h"
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#endif
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#include "../Common/CreateCoder.h"
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#include "../Common/ProgressUtils.h"
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#include "../Common/RegisterArc.h"
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#include "../Common/StreamUtils.h"
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#include "../Compress/BZip2Decoder.h"
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#include "../Compress/BZip2Encoder.h"
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#include "../Compress/CopyCoder.h"
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#include "Common/DummyOutStream.h"
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#include "Common/ParseProperties.h"
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using namespace NWindows;
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namespace NArchive {
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namespace NBz2 {
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static const UInt32 kNumPassesX1 = 1;
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static const UInt32 kNumPassesX7 = 2;
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static const UInt32 kNumPassesX9 = 7;
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static const UInt32 kDicSizeX1 = 100000;
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static const UInt32 kDicSizeX3 = 500000;
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static const UInt32 kDicSizeX5 = 900000;
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class CHandler:
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public IInArchive,
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public IArchiveOpenSeq,
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public IOutArchive,
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public ISetProperties,
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public CMyUnknownImp
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{
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CMyComPtr<IInStream> _stream;
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CMyComPtr<ISequentialInStream> _seqStream;
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UInt64 _packSize;
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UInt64 _startPosition;
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bool _packSizeDefined;
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UInt32 _level;
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UInt32 _dicSize;
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UInt32 _numPasses;
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#ifdef COMPRESS_MT
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UInt32 _numThreads;
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#endif
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void InitMethodProperties()
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{
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_level = 5;
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_dicSize =
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_numPasses = 0xFFFFFFFF;
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#ifdef COMPRESS_MT
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_numThreads = NWindows::NSystem::GetNumberOfProcessors();;
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#endif
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}
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public:
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MY_UNKNOWN_IMP4(IInArchive, IArchiveOpenSeq, IOutArchive, ISetProperties)
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INTERFACE_IInArchive(;)
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INTERFACE_IOutArchive(;)
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STDMETHOD(OpenSeq)(ISequentialInStream *stream);
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STDMETHOD(SetProperties)(const wchar_t **names, const PROPVARIANT *values, Int32 numProps);
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CHandler() { InitMethodProperties(); }
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};
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STATPROPSTG kProps[] =
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{
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{ NULL, kpidPackSize, VT_UI8}
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};
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IMP_IInArchive_Props
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IMP_IInArchive_ArcProps_NO_Table
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STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
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{
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NCOM::CPropVariant prop;
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switch(propID)
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{
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case kpidPhySize: if (_packSizeDefined) prop = _packSize; break;
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}
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prop.Detach(value);
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return S_OK;
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}
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STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
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{
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*numItems = 1;
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return S_OK;
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}
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STDMETHODIMP CHandler::GetProperty(UInt32 /* index */, PROPID propID, PROPVARIANT *value)
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{
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NWindows::NCOM::CPropVariant prop;
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switch(propID)
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{
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case kpidPackSize: if (_packSizeDefined) prop = _packSize; break;
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}
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prop.Detach(value);
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return S_OK;
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}
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STDMETHODIMP CHandler::Open(IInStream *stream,
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const UInt64 * /* maxCheckStartPosition */,
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IArchiveOpenCallback * /* openArchiveCallback */)
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{
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COM_TRY_BEGIN
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try
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{
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Close();
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RINOK(stream->Seek(0, STREAM_SEEK_CUR, &_startPosition));
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const int kSignatureSize = 3;
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Byte buf[kSignatureSize];
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RINOK(ReadStream_FALSE(stream, buf, kSignatureSize));
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if (buf[0] != 'B' || buf[1] != 'Z' || buf[2] != 'h')
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return S_FALSE;
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UInt64 endPosition;
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RINOK(stream->Seek(0, STREAM_SEEK_END, &endPosition));
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_packSize = endPosition - _startPosition;
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_packSizeDefined = true;
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_stream = stream;
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_seqStream = stream;
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}
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catch(...) { return S_FALSE; }
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return S_OK;
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COM_TRY_END
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}
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STDMETHODIMP CHandler::OpenSeq(ISequentialInStream *stream)
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{
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Close();
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_seqStream = stream;
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return S_OK;
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}
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STDMETHODIMP CHandler::Close()
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{
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_packSizeDefined = false;
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_seqStream.Release();
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_stream.Release();
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return S_OK;
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}
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STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
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Int32 testMode, IArchiveExtractCallback *extractCallback)
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{
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COM_TRY_BEGIN
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if (numItems == 0)
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return S_OK;
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if (numItems != (UInt32)-1 && (numItems != 1 || indices[0] != 0))
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return E_INVALIDARG;
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if (_stream)
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extractCallback->SetTotal(_packSize);
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UInt64 currentTotalPacked = 0;
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RINOK(extractCallback->SetCompleted(¤tTotalPacked));
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CMyComPtr<ISequentialOutStream> realOutStream;
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Int32 askMode = testMode ?
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NExtract::NAskMode::kTest :
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NExtract::NAskMode::kExtract;
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RINOK(extractCallback->GetStream(0, &realOutStream, askMode));
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if (!testMode && !realOutStream)
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return S_OK;
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extractCallback->PrepareOperation(askMode);
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NCompress::NBZip2::CDecoder *decoderSpec = new NCompress::NBZip2::CDecoder;
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CMyComPtr<ICompressCoder> decoder = decoderSpec;
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if (_stream)
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{
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RINOK(_stream->Seek(_startPosition, STREAM_SEEK_SET, NULL));
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}
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decoderSpec->SetInStream(_seqStream);
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#if defined( COMPRESS_MT) && defined( COMPRESS_BZIP2_MT)
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RINOK(decoderSpec->SetNumberOfThreads(_numThreads));
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#endif
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CDummyOutStream *outStreamSpec = new CDummyOutStream;
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CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
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outStreamSpec->SetStream(realOutStream);
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outStreamSpec->Init();
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realOutStream.Release();
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CLocalProgress *lps = new CLocalProgress;
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CMyComPtr<ICompressProgressInfo> progress = lps;
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lps->Init(extractCallback, true);
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HRESULT result = S_OK;
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bool firstItem = true;
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for (;;)
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{
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lps->InSize = currentTotalPacked;
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lps->OutSize = outStreamSpec->GetSize();
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RINOK(lps->SetCur());
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bool isBz2;
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result = decoderSpec->CodeResume(outStream, isBz2, progress);
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if (result != S_OK)
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break;
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if (!isBz2)
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{
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if (firstItem)
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result = S_FALSE;
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break;
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}
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firstItem = false;
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_packSize = currentTotalPacked = decoderSpec->GetInputProcessedSize();
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_packSizeDefined = true;
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}
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decoderSpec->ReleaseInStream();
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outStream.Release();
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Int32 retResult;
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if (result == S_OK)
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retResult = NExtract::NOperationResult::kOK;
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else if (result == S_FALSE)
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retResult = NExtract::NOperationResult::kDataError;
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else
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return result;
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return extractCallback->SetOperationResult(retResult);
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COM_TRY_END
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}
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static HRESULT UpdateArchive(
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UInt64 unpackSize,
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ISequentialOutStream *outStream,
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int indexInClient,
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UInt32 dictionary,
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UInt32 numPasses,
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#ifdef COMPRESS_MT
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UInt32 numThreads,
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#endif
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IArchiveUpdateCallback *updateCallback)
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{
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RINOK(updateCallback->SetTotal(unpackSize));
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UInt64 complexity = 0;
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RINOK(updateCallback->SetCompleted(&complexity));
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CMyComPtr<ISequentialInStream> fileInStream;
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RINOK(updateCallback->GetStream(indexInClient, &fileInStream));
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CLocalProgress *localProgressSpec = new CLocalProgress;
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CMyComPtr<ICompressProgressInfo> localProgress = localProgressSpec;
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localProgressSpec->Init(updateCallback, true);
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NCompress::NBZip2::CEncoder *encoderSpec = new NCompress::NBZip2::CEncoder;
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CMyComPtr<ICompressCoder> encoder = encoderSpec;
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{
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NWindows::NCOM::CPropVariant properties[] =
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{
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dictionary,
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numPasses
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#ifdef COMPRESS_MT
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, numThreads
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#endif
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};
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PROPID propIDs[] =
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{
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NCoderPropID::kDictionarySize,
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NCoderPropID::kNumPasses
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#ifdef COMPRESS_MT
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, NCoderPropID::kNumThreads
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#endif
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};
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RINOK(encoderSpec->SetCoderProperties(propIDs, properties, sizeof(propIDs) / sizeof(propIDs[0])));
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}
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RINOK(encoder->Code(fileInStream, outStream, NULL, NULL, localProgress));
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return updateCallback->SetOperationResult(NArchive::NUpdate::NOperationResult::kOK);
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}
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STDMETHODIMP CHandler::GetFileTimeType(UInt32 *type)
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{
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*type = NFileTimeType::kUnix;
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return S_OK;
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}
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STDMETHODIMP CHandler::UpdateItems(ISequentialOutStream *outStream, UInt32 numItems,
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IArchiveUpdateCallback *updateCallback)
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{
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if (numItems != 1)
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return E_INVALIDARG;
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Int32 newData, newProps;
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UInt32 indexInArchive;
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if (!updateCallback)
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return E_FAIL;
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RINOK(updateCallback->GetUpdateItemInfo(0, &newData, &newProps, &indexInArchive));
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if (IntToBool(newProps))
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{
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{
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NCOM::CPropVariant prop;
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RINOK(updateCallback->GetProperty(0, kpidIsDir, &prop));
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if (prop.vt == VT_BOOL)
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{
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if (prop.boolVal != VARIANT_FALSE)
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return E_INVALIDARG;
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}
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else if (prop.vt != VT_EMPTY)
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return E_INVALIDARG;
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}
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}
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if (IntToBool(newData))
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{
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UInt64 size;
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{
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NCOM::CPropVariant prop;
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RINOK(updateCallback->GetProperty(0, kpidSize, &prop));
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if (prop.vt != VT_UI8)
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return E_INVALIDARG;
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size = prop.uhVal.QuadPart;
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}
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UInt32 dicSize = _dicSize;
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if (dicSize == 0xFFFFFFFF)
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dicSize = (_level >= 5 ? kDicSizeX5 :
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(_level >= 3 ? kDicSizeX3 :
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kDicSizeX1));
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UInt32 numPasses = _numPasses;
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if (numPasses == 0xFFFFFFFF)
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numPasses = (_level >= 9 ? kNumPassesX9 :
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(_level >= 7 ? kNumPassesX7 :
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kNumPassesX1));
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return UpdateArchive(
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size, outStream, 0, dicSize, numPasses,
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#ifdef COMPRESS_MT
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_numThreads,
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#endif
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updateCallback);
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}
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if (indexInArchive != 0)
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return E_INVALIDARG;
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if (_stream)
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RINOK(_stream->Seek(_startPosition, STREAM_SEEK_SET, NULL));
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return NCompress::CopyStream(_stream, outStream, NULL);
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}
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STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProps)
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{
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InitMethodProperties();
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#ifdef COMPRESS_MT
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const UInt32 numProcessors = NSystem::GetNumberOfProcessors();
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_numThreads = numProcessors;
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#endif
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for (int i = 0; i < numProps; i++)
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{
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UString name = names[i];
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name.MakeUpper();
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if (name.IsEmpty())
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return E_INVALIDARG;
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const PROPVARIANT &prop = values[i];
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if (name[0] == L'X')
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{
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UInt32 level = 9;
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RINOK(ParsePropValue(name.Mid(1), prop, level));
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_level = level;
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}
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else if (name[0] == L'D')
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{
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UInt32 dicSize = kDicSizeX5;
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RINOK(ParsePropDictionaryValue(name.Mid(1), prop, dicSize));
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_dicSize = dicSize;
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}
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else if (name.Left(4) == L"PASS")
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{
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UInt32 num = kNumPassesX9;
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RINOK(ParsePropValue(name.Mid(4), prop, num));
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_numPasses = num;
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}
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else if (name.Left(2) == L"MT")
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{
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#ifdef COMPRESS_MT
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RINOK(ParseMtProp(name.Mid(2), prop, numProcessors, _numThreads));
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#endif
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}
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else
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return E_INVALIDARG;
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}
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return S_OK;
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}
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static IInArchive *CreateArc() { return new CHandler; }
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#ifndef EXTRACT_ONLY
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static IOutArchive *CreateArcOut() { return new CHandler; }
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#else
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#define CreateArcOut 0
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#endif
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static CArcInfo g_ArcInfo =
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{ L"bzip2", L"bz2 bzip2 tbz2 tbz", L"* * .tar .tar", 2, { 'B', 'Z', 'h' }, 3, true, CreateArc, CreateArcOut };
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REGISTER_ARC(BZip2)
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}}
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