/// <summary>
/// Writes bytes from a span.
/// </summary>
public static void Write(this IBitBuffer buffer, ReadOnlySpan <byte> source)
{
if (!buffer.IsByteAligned())
{
buffer.Write(source, 0, source.Length * 8);
return;
}
buffer.EnsureEnoughBitCapacity(source.Length * 8);
source.CopyTo(buffer.GetBuffer().AsSpan(buffer.BytePosition));
buffer.IncrementBitPosition(source.Length * 8);
}
/// <summary>
/// Reads bytes into the given span.
/// </summary>
/// <param name="destination">The destination span.</param>
public static int StreamRead(this IBitBuffer buffer, Span <byte> destination)
{
if (buffer.IsByteAligned())
{
int remainingBytes = Math.Min(buffer.ByteLength - buffer.BytePosition, destination.Length);
buffer.Read(destination.Slice(0, remainingBytes));
return(remainingBytes);
}
else
{
int remainingBits = Math.Min(buffer.BitLength - buffer.BitPosition, destination.Length * 8);
buffer.ReadBits(destination, remainingBits);
return(NetUtility.DivBy8(remainingBits));
}
}
/// <summary>
/// Tries to read the specified number of bytes without advancing the read position.
/// </summary>
/// <param name="destination">The destination span.</param>
public static bool TryPeek(this IBitBuffer buffer, Span <byte> destination)
{
if (!buffer.IsByteAligned())
{
return(buffer.TryPeekBits(destination, destination.Length * 8));
}
if (!buffer.HasEnoughBits(destination.Length))
{
return(false);
}
buffer.GetBuffer().AsSpan(buffer.BytePosition, destination.Length).CopyTo(destination);
return(true);
}
