STDMETHODIMP CHandler::Extract(const quint32* indices, quint32 numItems,
qint32 _aTestMode, IArchiveExtractCallback *extractCallback)
{
RefPtr<IArchiveExtractCallback> kungFuGrip(extractCallback);
CZipDecoder myDecoder;
bool testMode = (_aTestMode != 0);
quint64 totalUnPacked = 0, totalPacked = 0;
bool allFilesMode = (numItems == quint32(-1));
if (allFilesMode)
numItems = m_Items.size();
if (numItems == 0)
return S_OK;
quint32 i;
for (i = 0; i < numItems; i++) {
const CItemEx &item = *m_Items[allFilesMode ? i : indices[i]];
totalUnPacked += item.UnPackSize;
totalPacked += item.PackSize;
}
RINOK(extractCallback->SetTotal(totalUnPacked));
quint64 currentTotalUnPacked = 0, currentTotalPacked = 0;
quint64 currentItemUnPacked, currentItemPacked;
for (i = 0; i < numItems; i++, currentTotalUnPacked += currentItemUnPacked,
currentTotalPacked += currentItemPacked) {
currentItemUnPacked = 0;
currentItemPacked = 0;
qint32 askMode = testMode ?
NArchive::NExtract::NAskMode::kTest :
NArchive::NExtract::NAskMode::kExtract;
qint32 index = allFilesMode ? i : indices[i];
ISequentialOutStream *prealOutStream;
RINOK(extractCallback->GetStream(index, &prealOutStream, askMode));
RefPtr<ISequentialOutStream> realOutStream(prealOutStream);
CItemEx item = *m_Items[index];
if (!item.FromLocal) {
HRESULT res = m_Archive.ReadLocalItemAfterCdItem(item);
if (res == S_FALSE) {
if (item.IsDirectory() || realOutStream || testMode) {
RINOK(extractCallback->PrepareOperation(askMode));
realOutStream = 0;
RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
}
continue;
}
RINOK(res);
}
if (item.IsDirectory() || item.IgnoreItem()) {
// if (!testMode)
{
RINOK(extractCallback->PrepareOperation(askMode));
RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK));
}
continue;
}
currentItemUnPacked = item.UnPackSize;
currentItemPacked = item.PackSize;
if (!testMode && (!realOutStream))
continue;
RINOK(extractCallback->PrepareOperation(askMode));
qint32 res;
RINOK(myDecoder.Decode(
m_Archive, item, realOutStream, extractCallback,
_numThreads, res));
RINOK(extractCallback->SetOperationResult(res))
}
return S_OK;
}
