/// <summary>
/// Determines whether a string is a valid special service address.
/// </summary>
/// <returns>
/// <see langword="true" /> if <paramref name="str" /> is a valid special service address; otherwise,
/// <see langword="false" />.
/// </returns>
/// <param name="str">The string to validate.</param>
/// <param name="specialAddress">The <see cref="SpecialAddress" /> version of the string.</param>
public static bool TryParse(string str, out SpecialAddress specialAddress)
{
if (DNSService.TryParse(str, out var dns))
{
specialAddress = dns;
return(true);
}
if (DHCPService.TryParse(str, out var dhcp))
{
specialAddress = dhcp;
return(true);
}
if (WINSService.TryParse(str, out var wins))
{
specialAddress = wins;
return(true);
}
if (LocalSubnet.TryParse(str, out var localSubnet))
{
specialAddress = localSubnet;
return(true);
}
if (DefaultGateway.TryParse(str, out var defaultGateway))
{
specialAddress = defaultGateway;
return(true);
}
specialAddress = null;
return(false);
}
/// <summary>
/// Determines whether a string is a valid default gateway address
/// </summary>
/// <returns>
/// <see langword="true" /> if <paramref name="str" /> is a valid default gateway address; otherwise,
/// <see langword="false" />.
/// </returns>
/// <param name="str">The string to validate.</param>
/// <param name="address">The <see cref="DefaultGateway" /> instance that represents the passed string.</param>
public static bool TryParse(string str, out DefaultGateway address)
{
return(TryParse <DefaultGateway>(str, out address));
}