System.UriParseComponents.ParseHost C# (CSharp) Méthode

		private static bool ParseHost (ParserState state)
		{
			string part = state.remaining;

			if (state.elements.scheme == Uri.UriSchemeFile && part.Length >= 2 &&
				(part [0] == '\\' || part [0] == '/') && part [1] == part [0]) {
				part = part.TrimStart (part [0]);
				state.remaining = part;
			}

			if (!ParseWindowsFilePath (state))
				return false;

			StringBuilder sb = new StringBuilder ();
			
			var tmpHost = "";

			var possibleIpv6 = false;

			int index;
			for (index = 0; index < part.Length; index++) {	
				
				char ch = part [index];
				
				if (ch == '/' || ch == '#' || ch == '?')
					break;

				// Possible IPv6
				if (string.IsNullOrEmpty (tmpHost) && ch == ':') {
					tmpHost = sb.ToString ();
					possibleIpv6 = true;
				}
				
				sb.Append (ch);

				if (possibleIpv6 && ch == ']')
					break;
			}
			
			if (possibleIpv6) {
				IPv6Address ipv6addr;
				if (IPv6Address.TryParse (sb.ToString (), out ipv6addr)) {
#if NET_4_5
					var ipStr = ipv6addr.ToString (false);
#else
					var ipStr = ipv6addr.ToString (true);
#endif
					//remove scope
					ipStr = ipStr.Split ('%') [0];

					state.elements.host = "[" + ipStr + "]";
					state.elements.scopeId = ipv6addr.ScopeId;

					state.remaining = part.Substring (sb.Length);
					return state.remaining.Length > 0;
				}
				state.elements.host = tmpHost;
			} else
				state.elements.host = sb.ToString ();

			state.elements.host = state.elements.host.ToLowerInvariant ();

			state.remaining = part.Substring (state.elements.host.Length);

			if (state.elements.scheme == Uri.UriSchemeFile &&
				state.elements.host != "") {
				// under Windows all file://host URI are considered UNC, which is not the case other MacOS (e.g. Silverlight)
#if BOOTSTRAP_BASIC
				state.elements.isUnc = (Path.DirectorySeparatorChar == '\\');
#else
				state.elements.isUnc = Environment.IsRunningOnWindows;
#endif
			}

			return state.remaining.Length > 0;
		}