public HttpHeader(ReadOnlySpan <byte> name, string value)
{
int length = name.Length + value.Length + 3;
_utf8 = new byte[length];
var utf8 = _utf8.AsSpan();
name.CopyTo(_utf8);
_utf8[name.Length] = (byte)':';
utf8 = utf8.Slice(name.Length + 1);
if (!Transcoder.TryUtf16ToAscii(value.AsSpan(), utf8, out _))
{
throw new Exception("value is not ASCII");
}
_utf8[length - 2] = (byte)'\r';
_utf8[length - 1] = (byte)'\n';
}
public HttpHeader(string name, string value)
{
int length = name.Length + value.Length + 3;
_utf8 = new byte[length];
var utf8 = _utf8.AsSpan();
if (!Transcoder.TryUtf16ToAscii(name.AsSpan(), utf8, out int written))
{
throw new Exception("name is not ASCII");
}
_utf8[written] = (byte)':';
utf8 = utf8.Slice(written + 1);
if (!Transcoder.TryUtf16ToAscii(value.AsSpan(), utf8, out written))
{
throw new Exception("name or value is not ASCII");
}
_utf8[length - 2] = (byte)'\r';
_utf8[length - 1] = (byte)'\n';
}