private bool LoadBlock()
{
if (_blocks.Count == 0)
{
return(false);
}
if (_currentBlock != null && IsInBlock(_entryPosition, _currentBlock))
{
return(true);
}
CloseBlock();
var index = FindBlock(_blocks, _entryPosition);
if (index < 0)
{
return(false);
}
var block = _blocks[index];
var blockStream = new MemoryStream((int)block.UncompressedSize);
_blockCompressor.ReadBlock(_entryOffset, block, blockStream);
_currentBlock = block;
_currentBlockStream = blockStream;
return(true);
}
public void ReadBlock(long entryOffset, ModuleDataBlock block, Stream outStream)
{
_stream.Position = _dataAreaOffset + entryOffset + block.CompressedOffset;
if (block.IsCompressed)
{
Inflate(_stream, block.CompressedSize, block.UncompressedSize, outStream);
}
else
{
StreamUtil.Copy(_stream, outStream, block.UncompressedSize);
}
}
private static bool IsInBlock(long position, ModuleDataBlock block)
{
return(position >= block.UncompressedOffset && position < block.UncompressedOffset + block.UncompressedSize);
}
private void CloseBlock()
{
_currentBlockStream?.Dispose();
_currentBlockStream = null;
_currentBlock = null;
}
