private static DomainNameCombiner CreateDomainNameCombiner(string host)
{
if (DomainNameCombiner.TryParseCombiner(host, out var result))
{
return(result);
}
return(null);
}
public static (string Child, string Parent) GetOnlyTwoLevels(this DomainNameCombiner combiner)
{
combiner.NotNull(nameof(combiner));
if (combiner.TopLevelSegment.IsEmpty())
{
return(null, combiner.Root);
}
if (combiner.SecondLevelSegment.IsEmpty())
{
return(null, combiner.TopLevel);
}
var child = combiner.Source.TrimEnd($".{combiner.TopLevel}");
return(child, combiner.TopLevel);
}
/// <summary> /// 是指定域名（忽略大小写）。 /// </summary> /// <param name="domainName">给定的 <see cref="DomainNameCombiner"/>。</param> /// <returns>返回布尔值。</returns> public bool IsDomainName(DomainNameCombiner domainName) => DomainName == domainName;