mirror of
https://github.com/Xevion/easy7zip.git
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4.59 beta
This commit is contained in:
Igor Pavlov
committed by
Kornel Lesiński
Kornel Lesiński
parent
3901bf0ab8
commit
173c07e166
361
CPP/7zip/Archive/Udf/UdfHandler.cpp
Executable file
361
CPP/7zip/Archive/Udf/UdfHandler.cpp
Executable file
@@ -0,0 +1,361 @@
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// Udf/Handler.cpp
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#include "StdAfx.h"
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#include "UdfHandler.h"
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#include "Common/NewHandler.h"
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#include "Common/ComTry.h"
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#include "Windows/Time.h"
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#include "Windows/PropVariant.h"
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#include "../../Common/ProgressUtils.h"
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#include "../../Compress/Copy/CopyCoder.h"
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#include "../Common/DummyOutStream.h"
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namespace NArchive {
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namespace NUdf {
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void UdfTimeToFileTime(const CTime &t, NWindows::NCOM::CPropVariant &prop)
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{
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UInt64 numSecs;
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const Byte *d = t.Data;
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if (!NWindows::NTime::GetSecondsSince1601(t.GetYear(), d[4], d[5], d[6], d[7], d[8], numSecs))
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return;
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if (t.IsLocal())
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numSecs -= t.GetMinutesOffset() * 60;
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FILETIME ft;
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UInt64 v = (((numSecs * 100 + d[9]) * 100 + d[10]) * 100 + d[11]) * 10;
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ft.dwLowDateTime = (UInt32)v;
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ft.dwHighDateTime = (UInt32)(v >> 32);
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prop = ft;
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}
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STATPROPSTG kProps[] =
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{
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{ NULL, kpidPath, VT_BSTR},
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{ NULL, kpidIsDir, VT_BOOL},
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{ NULL, kpidSize, VT_UI8},
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{ NULL, kpidPackSize, VT_UI8},
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{ NULL, kpidMTime, VT_FILETIME},
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{ NULL, kpidATime, VT_FILETIME}
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};
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STATPROPSTG kArcProps[] =
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{
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{ NULL, kpidComment, VT_BSTR},
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{ NULL, kpidClusterSize, VT_UI4},
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{ NULL, kpidCTime, VT_FILETIME}
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};
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IMP_IInArchive_Props
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IMP_IInArchive_ArcProps
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STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
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{
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COM_TRY_BEGIN
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NWindows::NCOM::CPropVariant prop;
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switch(propID)
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{
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case kpidComment:
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{
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UString comment = _archive.GetComment();
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if (!comment.IsEmpty())
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prop = comment;
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break;
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}
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case kpidClusterSize:
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if (_archive.LogVols.Size() > 0)
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{
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UInt32 blockSize = _archive.LogVols[0].BlockSize;
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int i;
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for (i = 1; i < _archive.LogVols.Size(); i++)
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if (_archive.LogVols[i].BlockSize != blockSize)
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break;
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if (i == _archive.LogVols.Size())
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prop = blockSize;
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}
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break;
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case kpidCTime:
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if (_archive.LogVols.Size() == 1)
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{
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const CLogVol &vol = _archive.LogVols[0];
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if (vol.FileSets.Size() >= 1)
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UdfTimeToFileTime(vol.FileSets[0].RecodringTime, prop);
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}
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break;
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}
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prop.Detach(value);
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return S_OK;
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COM_TRY_END
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}
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class CProgressImp: public CProgressVirt
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{
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CMyComPtr<IArchiveOpenCallback> _callback;
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UInt64 _numFiles;
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UInt64 _numBytes;
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public:
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HRESULT SetTotal(UInt64 numBytes);
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HRESULT SetCompleted(UInt64 numFiles, UInt64 numBytes);
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HRESULT SetCompleted();
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CProgressImp(IArchiveOpenCallback *callback): _callback(callback), _numFiles(0), _numBytes(0) {}
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};
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HRESULT CProgressImp::SetTotal(UInt64 numBytes)
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{
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if (_callback)
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return _callback->SetTotal(NULL, &numBytes);
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return S_OK;
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}
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HRESULT CProgressImp::SetCompleted(UInt64 numFiles, UInt64 numBytes)
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{
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_numFiles = numFiles;
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_numBytes = numBytes;
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return SetCompleted();
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}
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HRESULT CProgressImp::SetCompleted()
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{
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if (_callback)
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return _callback->SetCompleted(&_numFiles, &_numBytes);
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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 *callback)
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{
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COM_TRY_BEGIN
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{
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Close();
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CProgressImp progressImp(callback);
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RINOK(_archive.Open(stream, &progressImp));
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bool showVolName = (_archive.LogVols.Size() > 1);
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for (int volIndex = 0; volIndex < _archive.LogVols.Size(); volIndex++)
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{
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const CLogVol &vol = _archive.LogVols[volIndex];
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bool showFileSetName = (vol.FileSets.Size() > 1);
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for (int fsIndex = 0; fsIndex < vol.FileSets.Size(); fsIndex++)
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{
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const CFileSet &fs = vol.FileSets[fsIndex];
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for (int i = ((showVolName || showFileSetName) ? 0 : 1); i < fs.Refs.Size(); i++)
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{
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CRef2 ref2;
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ref2.Vol = volIndex;
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ref2.Fs = fsIndex;
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ref2.Ref = i;
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_refs2.Add(ref2);
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}
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}
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}
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_inStream = stream;
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}
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return S_OK;
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COM_TRY_END
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}
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STDMETHODIMP CHandler::Close()
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{
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_inStream.Release();
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_archive.Clear();
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_refs2.Clear();
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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 = _refs2.Size();
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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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COM_TRY_BEGIN
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NWindows::NCOM::CPropVariant prop;
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{
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const CRef2 &ref2 = _refs2[index];
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const CLogVol &vol = _archive.LogVols[ref2.Vol];
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const CRef &ref = vol.FileSets[ref2.Fs].Refs[ref2.Ref];
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const CFile &file = _archive.Files[ref.FileIndex];
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const CItem &item = _archive.Items[file.ItemIndex];
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switch(propID)
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{
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case kpidPath: prop = _archive.GetItemPath(ref2.Vol, ref2.Fs, ref2.Ref,
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_archive.LogVols.Size() > 1, vol.FileSets.Size() > 1); break;
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case kpidIsDir: prop = item.IsDir(); break;
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case kpidSize: if (!item.IsDir()) prop = (UInt64)item.Size; break;
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case kpidPackSize: if (!item.IsDir()) prop = (UInt64)item.NumLogBlockRecorded * vol.BlockSize; break;
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case kpidMTime: UdfTimeToFileTime(item.MTime, prop); break;
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case kpidATime: UdfTimeToFileTime(item.ATime, prop); break;
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}
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}
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prop.Detach(value);
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return S_OK;
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COM_TRY_END
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}
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class CUdfInStream:
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public ISequentialInStream,
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public CMyUnknownImp
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{
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MY_UNKNOWN_IMP
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STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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UInt64 _rem;
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public:
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CInArchive *_archive;
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CMyComPtr<IInStream> _stream;
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CRef2 _ref2;
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int _extentIndex;
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UInt32 _offsetInExtent;
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void Init(UInt64 size)
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{
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_extentIndex = 0;
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_offsetInExtent = 0;
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_rem = size;
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}
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void ReleaseStream() { _stream.Release(); }
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};
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STDMETHODIMP CUdfInStream::Read(void *data, UInt32 size, UInt32 *processedSize)
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{
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if (processedSize)
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*processedSize = 0;
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if (size > _rem)
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size = (UInt32)_rem;
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while (size > 0)
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{
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const CLogVol &vol = _archive->LogVols[_ref2.Vol];
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const CRef &ref = vol.FileSets[_ref2.Fs].Refs[_ref2.Ref];
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const CFile &file = _archive->Files[ref.FileIndex];
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const CItem &item = _archive->Items[file.ItemIndex];
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const CMyExtent &extent = item.Extents[_extentIndex];
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UInt32 rem = extent.GetLen() - _offsetInExtent;
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if (rem == 0)
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{
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_extentIndex++;
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_offsetInExtent = 0;
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continue;
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}
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if (size > rem)
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size = rem;
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int partitionIndex = vol.PartitionMaps[extent.PartitionRef].PartitionIndex;
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UInt32 logBlockNumber = extent.Pos;
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const CPartition &partition = _archive->Partitions[partitionIndex];
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UInt64 offset = ((UInt64)partition.Pos << _archive->SecLogSize) +
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(UInt64)logBlockNumber * vol.BlockSize + _offsetInExtent;
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RINOK(_stream->Seek(offset, STREAM_SEEK_SET, NULL));
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HRESULT res = _stream->Read(data, size, &size);
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_offsetInExtent += size;
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_rem -= size;
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if (processedSize)
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*processedSize = size;
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return res;
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}
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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 _aTestMode, IArchiveExtractCallback *extractCallback)
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{
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COM_TRY_BEGIN
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bool testMode = (_aTestMode != 0);
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bool allFilesMode = (numItems == UInt32(-1));
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if (allFilesMode)
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numItems = _refs2.Size();
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if (numItems == 0)
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return S_OK;
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UInt64 totalSize = 0;
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UInt32 i;
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for (i = 0; i < numItems; i++)
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{
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UInt32 index = (allFilesMode ? i : indices[i]);
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const CRef2 &ref2 = _refs2[index];
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const CRef &ref = _archive.LogVols[ref2.Vol].FileSets[ref2.Fs].Refs[ref2.Ref];
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const CFile &file = _archive.Files[ref.FileIndex];
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const CItem &item = _archive.Items[file.ItemIndex];
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if (!item.IsDir())
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totalSize += item.Size;
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}
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extractCallback->SetTotal(totalSize);
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UInt64 currentTotalSize = 0;
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UInt64 currentItemSize;
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NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder();
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CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
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CLocalProgress *lps = new CLocalProgress;
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CMyComPtr<ICompressProgressInfo> progress = lps;
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lps->Init(extractCallback, false);
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CUdfInStream *udfInStreamSpec = new CUdfInStream();
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CMyComPtr<ISequentialInStream> udfInStream = udfInStreamSpec;
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udfInStreamSpec->_archive = &_archive;
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udfInStreamSpec->_stream = _inStream;
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CDummyOutStream *outStreamSpec = new CDummyOutStream;
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CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
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for (i = 0; i < numItems; i++, currentTotalSize += currentItemSize)
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{
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lps->InSize = lps->OutSize = currentTotalSize;
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RINOK(lps->SetCur());
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currentItemSize = 0;
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CMyComPtr<ISequentialOutStream> realOutStream;
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Int32 askMode = testMode ?
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NArchive::NExtract::NAskMode::kTest :
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NArchive::NExtract::NAskMode::kExtract;
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UInt32 index = allFilesMode ? i : indices[i];
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RINOK(extractCallback->GetStream(index, &realOutStream, askMode));
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const CRef2 &ref2 = _refs2[index];
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const CRef &ref = _archive.LogVols[ref2.Vol].FileSets[ref2.Fs].Refs[ref2.Ref];
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const CFile &file = _archive.Files[ref.FileIndex];
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const CItem &item = _archive.Items[file.ItemIndex];
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if (item.IsDir())
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{
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RINOK(extractCallback->PrepareOperation(askMode));
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RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
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continue;
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}
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currentItemSize = item.Size;
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if (!testMode && (!realOutStream))
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continue;
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RINOK(extractCallback->PrepareOperation(askMode));
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outStreamSpec->SetStream(realOutStream);
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realOutStream.Release();
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outStreamSpec->Init();
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Int32 opRes = NArchive::NExtract::NOperationResult::kUnSupportedMethod;
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if (item.IsRecAndAlloc() && item.CheckChunkSizes() && _archive.CheckItemExtents(ref2.Vol, item))
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{
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udfInStreamSpec->_ref2 = ref2;
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udfInStreamSpec->Init(item.Size);
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RINOK(copyCoder->Code(udfInStream, outStream, NULL, NULL, progress));
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opRes = (outStreamSpec->GetSize() == currentItemSize) ?
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NArchive::NExtract::NOperationResult::kOK:
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NArchive::NExtract::NOperationResult::kDataError;
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}
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outStreamSpec->ReleaseStream();
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RINOK(extractCallback->SetOperationResult(opRes));
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}
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return S_OK;
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COM_TRY_END
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}
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}}
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