/// <summary>
/// Gets a name in this namespace from string.
/// </summary>
internal XName GetName(string localName)
{
var name = names.TryGet(localName);
if (name != null) return name;
name = names.Add(localName, new XName(localName, this));
return name;
}
/// <summary>
/// Gets a namespace name from string.
/// </summary>
public static XNamespace Get(string namespaceName)
{
if ((namespaceName == null) || (namespaceName.Length == 0))
return None;
var ns = map.TryGet(namespaceName);
if (ns != null) return ns;
ns = map.Add(namespaceName, new XNamespace(namespaceName));
return ns;
}