System.Net.Policy.ClientAccessPolicy.ReadAllowFromElement C# (CSharp) Method

		static void ReadAllowFromElement (XmlReader reader, AccessPolicy policy)
		{
			if (reader.IsEmptyElement) {
				reader.Skip ();
				return;
			}

			bool valid = true;
			string headers = null;
			string methods = null;		// new in SL3
			if (reader.HasAttributes) {
				int n = reader.AttributeCount;
				headers = reader.GetAttribute ("http-request-headers");
				if (headers != null)
					n--;
				methods = reader.GetAttribute ("http-methods");
				if (methods != null)
					n--;
				valid = (n == 0);
			}

			var v = new AllowFrom ();
			v.HttpRequestHeaders.SetHeaders (headers);
			v.AllowAnyMethod = (methods == "*"); // only legal value defined, otherwise restricted to GET and POST
			reader.ReadStartElement ("allow-from", String.Empty);
			for (reader.MoveToContent (); reader.NodeType != XmlNodeType.EndElement; reader.MoveToContent ()) {
				if (reader.NodeType != XmlNodeType.Element)
					throw new XmlException (String.Format ("Unexpected allow-from content: {0}", reader.NodeType));
				if (!String.IsNullOrEmpty (reader.NamespaceURI)) {
					reader.Skip ();
					continue;
				}
				switch (reader.LocalName) {
				case "domain":
					var d = reader.GetAttribute ("uri");
					if (d == "*")
						v.AllowAnyDomain = true;
					else
						v.Domains.Add (d);
					reader.Skip ();
					break;
				default:
					valid = false;
					reader.Skip ();
					continue;
				}
			}
			if (valid)
				policy.AllowedServices.Add (v);
			reader.ReadEndElement ();
		}