void LookupNamespacesInType(XamlType xt)
{
PrefixLookup.LookupPrefix(xt.PreferredXamlNamespace);
if (xt.TypeArguments != null)
{
// It is for x:TypeArguments
PrefixLookup.LookupPrefix(XamlLanguage.Xaml2006Namespace);
foreach (var targ in xt.TypeArguments)
{
LookupNamespacesInType(targ);
}
}
}
// Namespace and Reference retrieval.
// It is iterated before iterating the actual object nodes,
// and results are cached for use in XamlObjectReader.
public void PrepareReading()
{
PrefixLookup.IsCollectingNamespaces = true;
NameResolver.IsCollectingReferences = true;
foreach (var xn in GetNodes())
{
if (xn.NodeType == XamlNodeType.GetObject)
{
continue; // it is out of consideration here.
}
if (xn.NodeType == XamlNodeType.StartObject)
{
LookupNamespacesInType(xn.Object.Type);
}
else if (xn.NodeType == XamlNodeType.StartMember)
{
var xm = xn.Member;
// This filtering is done as a black list so far. There does not seem to be any usable property on XamlDirective.
if (ReferenceEquals(xm, XamlLanguage.Items) ||
ReferenceEquals(xm, XamlLanguage.PositionalParameters) ||
ReferenceEquals(xm, XamlLanguage.Initialization))
{
continue;
}
PrefixLookup.LookupPrefix(xn.Member.PreferredXamlNamespace);
}
else
{
if (xn.NodeType == XamlNodeType.Value && xn.Value is Type)
{
// this tries to lookup existing prefix, and if there isn't any, then adds a new declaration.
LookupType((Type)xn.Value);
}
//TypeExtensionMethods.GetStringValue (XamlLanguage.Type, xn.Member, xn.Value, value_serializer_ctx);
continue;
}
}
PrefixLookup.Namespaces.Sort((nd1, nd2) => String.CompareOrdinal(nd1.Prefix, nd2.Prefix));
PrefixLookup.IsCollectingNamespaces = false;
NameResolver.IsCollectingReferences = false;
NameResolver.NameScopeInitializationCompleted(this);
}