public static uint ReadBufferUInt32(byte[] buffer, int bufferOffset)
{
var uintBuffer = new byte[4];
Buffer.BlockCopy(buffer, bufferOffset, uintBuffer, 0, 4);
return(LittleEndianByteOrder.GetUInt32(uintBuffer));
}
/// <summary>
/// Expect the upcoming 4 bytes are int32, read it and return it;
/// </summary>
public static uint ExpectUInt32(this Stream target)
{
var buff = new byte[4];
if (target.Read(buff) == 4)
{
return(LittleEndianByteOrder.GetUInt32(buff));
}
else
{
throw new EndOfStreamException();
}
}
uint ReadUInt32FromTrailingContent(IBlock block)
{
var buffer = new byte[4];
var contentLength = block.GetHeader(kBlockContentLength);
if ((contentLength % 4) != 0)
{
throw new DataMisalignedException("Block content length not %4: " + contentLength);
}
if (contentLength == 0)
{
throw new InvalidDataException("Trying to dequeue UInt32 from an empty block");
}
block.Read(dst: buffer, dstOffset: 0, srcOffset: (int)contentLength - 4, count: 4);
return(LittleEndianByteOrder.GetUInt32(buffer));
}