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

		static void ReadGrantToElement (XmlReader reader, AccessPolicy policy)
		{
			var v = new GrantTo ();
			bool valid = true;

			if (reader.HasAttributes || reader.IsEmptyElement) {
				reader.Skip ();
				return;
			}

			reader.ReadStartElement ("grant-to", String.Empty);
			for (reader.MoveToContent (); reader.NodeType != XmlNodeType.EndElement; reader.MoveToContent ()) {
				if (reader.NodeType != XmlNodeType.Element)
					throw new XmlException (String.Format ("Unexpected grant-to content: {0}", reader.NodeType));
				if (!String.IsNullOrEmpty (reader.NamespaceURI)) {
					reader.Skip ();
					continue;
				}

				switch (reader.LocalName) {
				case "resource":
					var r = CreateResource (reader);
					if (r == null)
						valid = false;
					else
						v.Resources.Add (r);
					break;
				case "socket-resource":
					// ignore everything that is not TCP
					if (reader.GetAttribute ("protocol") != "tcp")
						break;
					// we can merge them all together inside a policy
					policy.PortMask |= ParsePorts (reader.GetAttribute ("port"));
					break;
				default:
					valid = false;
					break;
				}
				reader.Skip ();
			}
			if (valid)
				policy.GrantedResources.Add (v);
			reader.ReadEndElement ();
		}