private Url(string scheme, string host, string port)
{
Data = string.Empty;
_path = string.Empty;
_scheme = scheme;
_host = host;
_port = port;
_relative = ProtocolNames.IsRelative(_scheme);
}
private void Reset(Url baseUrl)
{
Data = string.Empty;
_scheme = baseUrl._scheme;
_host = baseUrl._host;
_path = baseUrl._path;
_port = baseUrl._port;
_relative = ProtocolNames.IsRelative(_scheme);
}
private bool ParseScheme(string input, bool onlyScheme = false)
{
if ((input.Length <= 0) || !input[0].IsLetter())
{
return(!onlyScheme && RelativeState(input, 0));
}
var index = 1;
while (index < input.Length)
{
var c = input[index];
if (c.IsAlphanumericAscii() || (c == Symbols.Plus) || (c == Symbols.Minus) || (c == Symbols.Dot))
{
index++;
}
else if (c == Symbols.Colon)
{
var originalScheme = _scheme;
_scheme = input.Substring(0, index).ToLowerInvariant();
if (!onlyScheme)
{
_relative = ProtocolNames.IsRelative(_scheme);
if (_scheme.Is(ProtocolNames.File))
{
_host = string.Empty;
_port = string.Empty;
return(RelativeState(input, index + 1));
}
if (!_relative)
{
_host = string.Empty;
_port = string.Empty;
_path = string.Empty;
return(ParseSchemeData(input, index + 1));
}
if (_scheme.Is(originalScheme))
{
c = input[++index];
if ((c == Symbols.Solidus) && (index + 2 < input.Length) &&
(input[index + 1] == Symbols.Solidus))
{
return(IgnoreSlashesState(input, index + 2));
}
return(RelativeState(input, index));
}
if ((index < input.Length - 1) && (input[++index] == Symbols.Solidus) &&
(++index < input.Length) && (input[index] == Symbols.Solidus))
{
index++;
}
return(IgnoreSlashesState(input, index));
}
return(true);
}
else
{
break;
}
}
return(!onlyScheme && RelativeState(input, 0));
}
