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https://github.com/Xevion/easy7zip.git
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4.44 beta
This commit is contained in:
Igor Pavlov
committed by
Kornel Lesiński
Kornel Lesiński
parent
804edc5756
commit
d9666cf046
265
CPP/7zip/Archive/7z/7zExtract.cpp
Executable file
265
CPP/7zip/Archive/7z/7zExtract.cpp
Executable file
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// 7zExtract.cpp
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#include "StdAfx.h"
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#include "7zHandler.h"
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#include "7zFolderOutStream.h"
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#include "7zMethods.h"
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#include "7zDecode.h"
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// #include "7z1Decode.h"
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#include "../../../Common/ComTry.h"
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#include "../../Common/StreamObjects.h"
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#include "../../Common/ProgressUtils.h"
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#include "../../Common/LimitedStreams.h"
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namespace NArchive {
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namespace N7z {
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struct CExtractFolderInfo
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{
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#ifdef _7Z_VOL
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int VolumeIndex;
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#endif
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CNum FileIndex;
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CNum FolderIndex;
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CBoolVector ExtractStatuses;
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UInt64 UnPackSize;
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CExtractFolderInfo(
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#ifdef _7Z_VOL
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int volumeIndex,
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#endif
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CNum fileIndex, CNum folderIndex):
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#ifdef _7Z_VOL
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VolumeIndex(volumeIndex),
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#endif
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FileIndex(fileIndex),
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FolderIndex(folderIndex),
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UnPackSize(0)
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{
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if (fileIndex != kNumNoIndex)
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{
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ExtractStatuses.Reserve(1);
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ExtractStatuses.Add(true);
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}
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};
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};
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STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
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Int32 testModeSpec, IArchiveExtractCallback *extractCallbackSpec)
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{
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COM_TRY_BEGIN
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bool testMode = (testModeSpec != 0);
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CMyComPtr<IArchiveExtractCallback> extractCallback = extractCallbackSpec;
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UInt64 importantTotalUnPacked = 0;
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bool allFilesMode = (numItems == UInt32(-1));
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if (allFilesMode)
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numItems =
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#ifdef _7Z_VOL
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_refs.Size();
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#else
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_database.Files.Size();
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#endif
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if(numItems == 0)
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return S_OK;
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/*
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if(_volumes.Size() != 1)
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return E_FAIL;
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const CVolume &volume = _volumes.Front();
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const CArchiveDatabaseEx &_database = volume.Database;
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IInStream *_inStream = volume.Stream;
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*/
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CObjectVector<CExtractFolderInfo> extractFolderInfoVector;
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for(UInt32 ii = 0; ii < numItems; ii++)
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{
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// UInt32 fileIndex = allFilesMode ? indexIndex : indices[indexIndex];
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UInt32 ref2Index = allFilesMode ? ii : indices[ii];
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// const CRef2 &ref2 = _refs[ref2Index];
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// for(UInt32 ri = 0; ri < ref2.Refs.Size(); ri++)
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{
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#ifdef _7Z_VOL
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// const CRef &ref = ref2.Refs[ri];
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const CRef &ref = _refs[ref2Index];
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int volumeIndex = ref.VolumeIndex;
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const CVolume &volume = _volumes[volumeIndex];
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const CArchiveDatabaseEx &database = volume.Database;
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UInt32 fileIndex = ref.ItemIndex;
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#else
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const CArchiveDatabaseEx &database = _database;
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UInt32 fileIndex = ref2Index;
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#endif
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CNum folderIndex = database.FileIndexToFolderIndexMap[fileIndex];
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if (folderIndex == kNumNoIndex)
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{
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extractFolderInfoVector.Add(CExtractFolderInfo(
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#ifdef _7Z_VOL
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volumeIndex,
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#endif
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fileIndex, kNumNoIndex));
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continue;
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}
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if (extractFolderInfoVector.IsEmpty() ||
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folderIndex != extractFolderInfoVector.Back().FolderIndex
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#ifdef _7Z_VOL
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|| volumeIndex != extractFolderInfoVector.Back().VolumeIndex
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#endif
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)
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{
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extractFolderInfoVector.Add(CExtractFolderInfo(
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#ifdef _7Z_VOL
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volumeIndex,
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#endif
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kNumNoIndex, folderIndex));
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const CFolder &folderInfo = database.Folders[folderIndex];
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UInt64 unPackSize = folderInfo.GetUnPackSize();
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importantTotalUnPacked += unPackSize;
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extractFolderInfoVector.Back().UnPackSize = unPackSize;
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}
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CExtractFolderInfo &efi = extractFolderInfoVector.Back();
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// const CFolderInfo &folderInfo = m_dam_Folders[folderIndex];
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CNum startIndex = database.FolderStartFileIndex[folderIndex];
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for (CNum index = efi.ExtractStatuses.Size();
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index <= fileIndex - startIndex; index++)
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{
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// UInt64 unPackSize = _database.Files[startIndex + index].UnPackSize;
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// Count partial_folder_size
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// efi.UnPackSize += unPackSize;
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// importantTotalUnPacked += unPackSize;
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efi.ExtractStatuses.Add(index == fileIndex - startIndex);
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}
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}
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}
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extractCallback->SetTotal(importantTotalUnPacked);
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CDecoder decoder(
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#ifdef _ST_MODE
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false
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#else
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true
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#endif
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);
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// CDecoder1 decoder;
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UInt64 currentImportantTotalUnPacked = 0;
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UInt64 totalFolderUnPacked;
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for(int i = 0; i < extractFolderInfoVector.Size(); i++,
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currentImportantTotalUnPacked += totalFolderUnPacked)
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{
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const CExtractFolderInfo &efi = extractFolderInfoVector[i];
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totalFolderUnPacked = efi.UnPackSize;
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RINOK(extractCallback->SetCompleted(¤tImportantTotalUnPacked));
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CFolderOutStream *folderOutStream = new CFolderOutStream;
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CMyComPtr<ISequentialOutStream> outStream(folderOutStream);
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#ifdef _7Z_VOL
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const CVolume &volume = _volumes[efi.VolumeIndex];
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const CArchiveDatabaseEx &database = volume.Database;
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#else
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const CArchiveDatabaseEx &database = _database;
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#endif
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CNum startIndex;
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if (efi.FileIndex != kNumNoIndex)
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startIndex = efi.FileIndex;
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else
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startIndex = database.FolderStartFileIndex[efi.FolderIndex];
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HRESULT result = folderOutStream->Init(&database,
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#ifdef _7Z_VOL
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volume.StartRef2Index,
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#else
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0,
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#endif
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startIndex,
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&efi.ExtractStatuses, extractCallback, testMode);
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RINOK(result);
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if (efi.FileIndex != kNumNoIndex)
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continue;
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CNum folderIndex = efi.FolderIndex;
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const CFolder &folderInfo = database.Folders[folderIndex];
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CLocalProgress *localProgressSpec = new CLocalProgress;
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CMyComPtr<ICompressProgressInfo> progress = localProgressSpec;
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localProgressSpec->Init(extractCallback, false);
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CLocalCompressProgressInfo *localCompressProgressSpec =
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new CLocalCompressProgressInfo;
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CMyComPtr<ICompressProgressInfo> compressProgress = localCompressProgressSpec;
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localCompressProgressSpec->Init(progress, NULL, ¤tImportantTotalUnPacked);
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CNum packStreamIndex = database.FolderStartPackStreamIndex[folderIndex];
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UInt64 folderStartPackPos = database.GetFolderStreamPos(folderIndex, 0);
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#ifndef _NO_CRYPTO
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CMyComPtr<ICryptoGetTextPassword> getTextPassword;
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if (extractCallback)
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extractCallback.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
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#endif
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try
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{
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HRESULT result = decoder.Decode(
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#ifdef _7Z_VOL
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volume.Stream,
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#else
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_inStream,
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#endif
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folderStartPackPos,
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&database.PackSizes[packStreamIndex],
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folderInfo,
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outStream,
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compressProgress
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#ifndef _NO_CRYPTO
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, getTextPassword
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#endif
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#ifdef COMPRESS_MT
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, true, _numThreads
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#endif
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);
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if (result == S_FALSE)
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{
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RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kDataError));
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continue;
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}
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if (result == E_NOTIMPL)
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{
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RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
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continue;
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}
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if (result != S_OK)
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return result;
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if (folderOutStream->WasWritingFinished() != S_OK)
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{
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RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kDataError));
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continue;
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}
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}
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catch(...)
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{
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RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kDataError));
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continue;
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}
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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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