public BucketBytes AsBytes(BucketBytes appendBytes)
{
if (IsEmpty)
{
return(appendBytes);
}
else if (appendBytes.IsEmpty)
{
return(IsEmpty ? BucketBytes.Empty : AsBytes());
}
if (_expected > 0)
{
_expected = 0;
if (Length > 0)
{
byte[] bb = (byte[])_bytes !;
_bytes = _bytes !.Take(Length);
if (Length + appendBytes.Length <= bb.Length)
{
appendBytes.CopyTo(bb.AsSpan(Length));
return(new BucketBytes(bb, 0, Length + appendBytes.Length));
}
}
}
return(_bytes !.Concat(appendBytes.ToArray()).ToArray());
}
public void Append(BucketBytes bytes)
{
if (bytes.Length == 0)
{
return;
}
if (_expected > 0)
{
byte[]? bb = _bytes as byte[];
if (bytes.Length + (bb?.Length ?? 0) <= _expected)
{
_bytes = bb ??= new byte[_expected];
bytes.CopyTo(bb.AsSpan(Length));
Length += bytes.Length;
return;
}
else if (Length == 0)
{
_bytes = bytes !.ToArray();
Length = bytes.Length;
_expected = 0;
return;
}
else
{
_bytes = _bytes !.Take(Length);
_expected = 0;
// And fall through
}
}
if (_bytes is null)
{
_bytes = bytes.ToArray();
}
else
{
_bytes = _bytes.Concat(bytes.ToArray());
}
Length += bytes.Length;
}