Castle.Components.DictionaryAdapter.XPathContext.CreateNamespace C# (CSharp) Méthode

		public string CreateNamespace(string prefix, string namespaceUri, XPathNavigator source)
		{
			if (string.IsNullOrEmpty(namespaceUri) == false)
			{
				source = source.Clone();
				source.MoveToRoot();
				source.MoveToChild(XPathNodeType.Element);

				if (string.IsNullOrEmpty(prefix))
					prefix = AddNamespace(namespaceUri);

				var existing = source.GetNamespace(prefix);
				if (existing == namespaceUri) return prefix;
				if (string.IsNullOrEmpty(existing) == false)
					return null;

				source.CreateAttribute("xmlns", prefix, "", namespaceUri);
			}
			return prefix;
		}