Keep only base/extractor.[cc|h].

third_party/lzma/v4_65/files/CPP/7zip/Archive/7z/7zExtract.cpp

-// 7zExtract.cpp
-
-#include "StdAfx.h"
-
-#include "7zHandler.h"
-#include "7zFolderOutStream.h"
-#include "7zDecode.h"
-// #include "7z1Decode.h"
-
-#include "../../../Common/ComTry.h"
-#include "../../Common/StreamObjects.h"
-#include "../../Common/ProgressUtils.h"
-#include "../../Common/LimitedStreams.h"
-
-namespace NArchive {
-namespace N7z {
-
-struct CExtractFolderInfo
-{
-  #ifdef _7Z_VOL
-  int VolumeIndex;
-  #endif
-  CNum FileIndex;
-  CNum FolderIndex;
-  CBoolVector ExtractStatuses;
-  UInt64 UnpackSize;
-  CExtractFolderInfo(
-    #ifdef _7Z_VOL
-    int volumeIndex,
-    #endif
-    CNum fileIndex, CNum folderIndex):
-    #ifdef _7Z_VOL
-    VolumeIndex(volumeIndex),
-    #endif
-    FileIndex(fileIndex),
-    FolderIndex(folderIndex),
-    UnpackSize(0)
-  {
-    if (fileIndex != kNumNoIndex)
-    {
-      ExtractStatuses.Reserve(1);
-      ExtractStatuses.Add(true);
-    }
-  };
-};
-
-STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
-    Int32 testModeSpec, IArchiveExtractCallback *extractCallbackSpec)
-{
-  COM_TRY_BEGIN
-  bool testMode = (testModeSpec != 0);
-  CMyComPtr<IArchiveExtractCallback> extractCallback = extractCallbackSpec;
-  UInt64 importantTotalUnpacked = 0;
-
-  bool allFilesMode = (numItems == UInt32(-1));
-  if (allFilesMode)
-    numItems =
-    #ifdef _7Z_VOL
-    _refs.Size();
-    #else
-    _db.Files.Size();
-    #endif
-
-  if(numItems == 0)
-    return S_OK;
-
-  /*
-  if(_volumes.Size() != 1)
-    return E_FAIL;
-  const CVolume &volume = _volumes.Front();
-  const CArchiveDatabaseEx &_db = volume.Database;
-  IInStream *_inStream = volume.Stream;
-  */
-  
-  CObjectVector<CExtractFolderInfo> extractFolderInfoVector;
-  for(UInt32 ii = 0; ii < numItems; ii++)
-  {
-    // UInt32 fileIndex = allFilesMode ? indexIndex : indices[indexIndex];
-    UInt32 ref2Index = allFilesMode ? ii : indices[ii];
-    // const CRef2 &ref2 = _refs[ref2Index];
-
-    // for(UInt32 ri = 0; ri < ref2.Refs.Size(); ri++)
-    {
-      #ifdef _7Z_VOL
-      // const CRef &ref = ref2.Refs[ri];
-      const CRef &ref = _refs[ref2Index];
-
-      int volumeIndex = ref.VolumeIndex;
-      const CVolume &volume = _volumes[volumeIndex];
-      const CArchiveDatabaseEx &db = volume.Database;
-      UInt32 fileIndex = ref.ItemIndex;
-      #else
-      const CArchiveDatabaseEx &db = _db;
-      UInt32 fileIndex = ref2Index;
-      #endif
-
-      CNum folderIndex = db.FileIndexToFolderIndexMap[fileIndex];
-      if (folderIndex == kNumNoIndex)
-      {
-        extractFolderInfoVector.Add(CExtractFolderInfo(
-            #ifdef _7Z_VOL
-            volumeIndex,
-            #endif
-            fileIndex, kNumNoIndex));
-        continue;
-      }
-      if (extractFolderInfoVector.IsEmpty() ||
-        folderIndex != extractFolderInfoVector.Back().FolderIndex
-        #ifdef _7Z_VOL
-        || volumeIndex != extractFolderInfoVector.Back().VolumeIndex
-        #endif
-        )
-      {
-        extractFolderInfoVector.Add(CExtractFolderInfo(
-            #ifdef _7Z_VOL
-            volumeIndex,
-            #endif
-            kNumNoIndex, folderIndex));
-        const CFolder &folderInfo = db.Folders[folderIndex];
-        UInt64 unpackSize = folderInfo.GetUnpackSize();
-        importantTotalUnpacked += unpackSize;
-        extractFolderInfoVector.Back().UnpackSize = unpackSize;
-      }
-      
-      CExtractFolderInfo &efi = extractFolderInfoVector.Back();
-      
-      // const CFolderInfo &folderInfo = m_dam_Folders[folderIndex];
-      CNum startIndex = db.FolderStartFileIndex[folderIndex];
-      for (CNum index = efi.ExtractStatuses.Size();
-          index <= fileIndex - startIndex; index++)
-      {
-        // UInt64 unpackSize = _db.Files[startIndex + index].UnpackSize;
-        // Count partial_folder_size
-        // efi.UnpackSize += unpackSize;
-        // importantTotalUnpacked += unpackSize;
-        efi.ExtractStatuses.Add(index == fileIndex - startIndex);
-      }
-    }
-  }
-
-  extractCallback->SetTotal(importantTotalUnpacked);
-
-  CDecoder decoder(
-    #ifdef _ST_MODE
-    false
-    #else
-    true
-    #endif
-    );
-  // CDecoder1 decoder;
-
-  UInt64 currentTotalPacked = 0;
-  UInt64 currentTotalUnpacked = 0;
-  UInt64 totalFolderUnpacked;
-  UInt64 totalFolderPacked;
-
-  CLocalProgress *lps = new CLocalProgress;
-  CMyComPtr<ICompressProgressInfo> progress = lps;
-  lps->Init(extractCallback, false);
-
-  for(int i = 0; i < extractFolderInfoVector.Size(); i++,
-      currentTotalUnpacked += totalFolderUnpacked,
-      currentTotalPacked += totalFolderPacked)
-  {
-    lps->OutSize = currentTotalUnpacked;
-    lps->InSize = currentTotalPacked;
-    RINOK(lps->SetCur());
-    
-    const CExtractFolderInfo &efi = extractFolderInfoVector[i];
-    totalFolderUnpacked = efi.UnpackSize;
-
-    totalFolderPacked = 0;
-
-    CFolderOutStream *folderOutStream = new CFolderOutStream;
-    CMyComPtr<ISequentialOutStream> outStream(folderOutStream);
-
-    #ifdef _7Z_VOL
-    const CVolume &volume = _volumes[efi.VolumeIndex];
-    const CArchiveDatabaseEx &db = volume.Database;
-    #else
-    const CArchiveDatabaseEx &db = _db;
-    #endif
-
-    CNum startIndex;
-    if (efi.FileIndex != kNumNoIndex)
-      startIndex = efi.FileIndex;
-    else
-      startIndex = db.FolderStartFileIndex[efi.FolderIndex];
-
-
-    HRESULT result = folderOutStream->Init(&db,
-        #ifdef _7Z_VOL
-        volume.StartRef2Index,
-        #else
-        0,
-        #endif
-        startIndex,
-        &efi.ExtractStatuses, extractCallback, testMode, _crcSize != 0);
-
-    RINOK(result);
-
-    if (efi.FileIndex != kNumNoIndex)
-      continue;
-
-    CNum folderIndex = efi.FolderIndex;
-    const CFolder &folderInfo = db.Folders[folderIndex];
-
-    totalFolderPacked = _db.GetFolderFullPackSize(folderIndex);
-
-    CNum packStreamIndex = db.FolderStartPackStreamIndex[folderIndex];
-    UInt64 folderStartPackPos = db.GetFolderStreamPos(folderIndex, 0);
-
-    #ifndef _NO_CRYPTO
-    CMyComPtr<ICryptoGetTextPassword> getTextPassword;
-    if (extractCallback)
-      extractCallback.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword);
-    #endif
-
-    try
-    {
-      #ifndef _NO_CRYPTO
-      bool passwordIsDefined;
-      #endif
-
-      HRESULT result = decoder.Decode(
-          EXTERNAL_CODECS_VARS
-          #ifdef _7Z_VOL
-          volume.Stream,
-          #else
-          _inStream,
-          #endif
-          folderStartPackPos,
-          &db.PackSizes[packStreamIndex],
-          folderInfo,
-          outStream,
-          progress
-          #ifndef _NO_CRYPTO
-          , getTextPassword, passwordIsDefined
-          #endif
-          #ifdef COMPRESS_MT
-          , true, _numThreads
-          #endif
-          );
-
-      if (result == S_FALSE)
-      {
-        RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kDataError));
-        continue;
-      }
-      if (result == E_NOTIMPL)
-      {
-        RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
-        continue;
-      }
-      if (result != S_OK)
-        return result;
-      if (folderOutStream->WasWritingFinished() != S_OK)
-      {
-        RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kDataError));
-        continue;
-      }
-    }
-    catch(...)
-    {
-      RINOK(folderOutStream->FlushCorrupted(NArchive::NExtract::NOperationResult::kDataError));
-      continue;
-    }
-  }
-  return S_OK;
-  COM_TRY_END
-}
-
-}}