private void Fill()
{
if (!_eof)
{
int num = _targetStream.Read(_header, 0, 8);
if (num == 0)
{
_unpackedBuffer = null;
_eof = true;
}
else
{
if (num != 8)
{
throw new InvalidDataException("input buffer corrupted (header)");
}
int compressedSize = Lz4.GetCompressedSize(_header);
if (compressedSize == 0)
{
_unpackedBuffer = null;
_eof = true;
}
else
{
if ((_readBuffer == null) || (_readBuffer.Length < (compressedSize + 8)))
{
_readBuffer = new byte[compressedSize + 8];
}
Buffer.BlockCopy(_header, 0, _readBuffer, 0, 8);
if (_targetStream.Read(_readBuffer, 8, compressedSize) != compressedSize)
{
throw new InvalidDataException("input buffer corrupted (body)");
}
_unpackedLength = Lz4.Decompress(_readBuffer, 0, ref _unpackedBuffer);
_unpackedOffset = 0;
CompressedLength += _unpackedLength;
}
}
}
}
//Fast lz4 paced Compression algorithms used:
//used for XimIndex , XimDocument, XimData Compression.
public LZ4Compressor()
{
Lz4.GetCompressedSize(new byte[] { });
}