Archived::Container::Ptr ParseArchive(const Packed::Decoder& decoder, const Binary::Container& data)
{
const TRDos::CatalogueBuilder::Ptr builder = TRDos::CatalogueBuilder::CreateGeneric();
const std::size_t archSize = data.Size();
std::size_t rawOffset = 0;
for (std::size_t flatOffset = 0; rawOffset < archSize;)
{
const Binary::Container::Ptr rawData = data.GetSubcontainer(rawOffset, archSize - rawOffset);
const Formats::Packed::Container::Ptr fileData = decoder.Decode(*rawData);
if (!fileData)
{
break;
}
const String fileName = ExtractFileName(rawData->Start());
const std::size_t fileSize = fileData->Size();
const std::size_t usedSize = fileData->PackedSize();
const TRDos::File::Ptr file = TRDos::File::Create(fileData, fileName, flatOffset, fileSize);
builder->AddFile(file);
rawOffset += usedSize;
flatOffset += fileSize;
}
if (rawOffset)
{
builder->SetRawData(data.GetSubcontainer(0, rawOffset));
return builder->GetResult();
}
else
{
return Archived::Container::Ptr();
}
}
ScanDataContainer(Binary::Container::Ptr delegate, std::size_t offset)
: Delegate(delegate)
, OriginalSize(delegate->Size())
, OriginalData(static_cast<const uint8_t*>(delegate->Start()))
, Offset(offset)
{
}