public Stream OpenStream(long offset, long size)
{
int segmentIdx = GetSegmentFromVirtualOffset(offset);
long segmentOffset = GetOffsetFromVirtualOffset(offset);
if (segmentIdx > Segments.Length)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
RemapSegment segment = Segments[GetSegmentFromVirtualOffset(offset)];
if (segmentOffset > segment.Length)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
Stream stream = new RemapStream(StreamSource.CreateStream(), segment);
return(new SubStream(stream, offset, size));
}
private AllocationTableStream OpenFatBlock(int blockIndex, long size)
{
return(new AllocationTableStream(StreamSource.CreateStream(), AllocationTable, (int)Header.BlockSize, blockIndex, size));
}
public Stream OpenRawSaveFs() => StreamSource.CreateStream();
public Stream OpenSection()
{
return(StreamSource.CreateStream(FileOffset, CompressedSize));
}