private IByteBlock ReadByteBlockFromArchive()
{
if (!CanRead)
{
throw new InvalidOperationException("The file couldn't be read.");
}
byte[] binaryFinalByteBlockSize = new byte[sizeof(int)];
byte[] binaryIndexByteBlock = new byte[sizeof(int)];
_fileStream.Read(binaryFinalByteBlockSize, 0, binaryFinalByteBlockSize.Length);
_fileStream.Read(binaryIndexByteBlock, 0, binaryIndexByteBlock.Length);
var byteBlock = new ByteBlock(BitConverter.ToInt32(binaryIndexByteBlock), BitConverter.ToInt32(binaryFinalByteBlockSize));
_fileStream.Read(byteBlock.Buffer, 0, byteBlock.BufferSize);
return(byteBlock);
}