// ReadObjectElement: reads the entire start tag. This may result in
// more than one Scanner Nodes. The results are enqueued onto a list
// rather than returned directly, then the caller can de-queue the nodes
// one at a time.
private void ReadObjectElement(XamlName name, bool isEmptyTag)
{
_typeArgumentAttribute = null;
XamlScannerNode node = new XamlScannerNode(_xmlLineInfo);
// Scan for xmlns(s) before attempting to resolve the type.
// So while we are there, collect up all the attributes.
// Enqueue the xmlns attributes first.
// PostProcess and Enqueue the other attributes after.
PreprocessAttributes();
node.Prefix = name.Prefix;
node.IsEmptyTag = isEmptyTag;
// It is possible for an application to provide XML nodes via XmlNodeReader
// where the URI is defined but there was no xmlns attribute for use to resolve against.
// See app Paperboy
Debug.Assert(_xmlReader.NodeType == XmlNodeType.Element);
string xamlNs = _xmlReader.NamespaceURI;
if (xamlNs == null)
{
ReadObjectElement_NoNamespace(name, node);
}
else // if (xamlNs != null)
{
node.TypeNamespace = xamlNs;
// First check if the XML element is a
// Directive Property <x:Key>
//
XamlSchemaContext schemaContext = _parserContext.SchemaContext;
XamlMember dirProperty = schemaContext.GetXamlDirective(xamlNs, name.Name);
if (dirProperty != null)
{
ReadObjectElement_DirectiveProperty(dirProperty, node);
}
else // normal Element Case.
{
bool sawXData = ReadObjectElement_Object(xamlNs, name.Name, node);
if (sawXData)
{
return;
}
}
}
_readNodesQueue.Enqueue(node);
// Now add the processed attributes from the rest of the start tag.
while (HaveUnprocessedAttributes)
{
EnqueueAnotherAttribute(isEmptyTag);
}
}
private static XamlMember GetDirective(MemberBase directive, XamlSchemaContext context)
{
var directiveName = TranslateDirectiveName(directive);
var xamlMember = from ns in context.GetAllXamlNamespaces()
let dir = context.GetXamlDirective(ns, directiveName)
where dir != null
select dir;
return(new DirectiveAdapter(xamlMember.First()));
}