private INameScopeDictionary HuntAroundForARootNameScope(ObjectWriterFrame rootFrame)
{
object instance = rootFrame.Instance;
if ((instance == null) && rootFrame.XamlType.IsNameScope)
{
throw new InvalidOperationException(System.Xaml.SR.Get("NameScopeOnRootInstance"));
}
INameScopeDictionary nameScopeDictionary = null;
nameScopeDictionary = instance as INameScopeDictionary;
if (nameScopeDictionary == null)
{
INameScope underlyingNameScope = instance as INameScope;
if (underlyingNameScope != null)
{
nameScopeDictionary = new NameScopeDictionary(underlyingNameScope);
}
}
if (nameScopeDictionary == null)
{
XamlType xamlType = rootFrame.XamlType;
if (xamlType.UnderlyingType != null)
{
XamlMember nameScopeProperty = TypeReflector.LookupNameScopeProperty(xamlType);
if (nameScopeProperty != null)
{
INameScope scope2 = (INameScope)this._runtime.GetValue(instance, nameScopeProperty, false);
if (scope2 == null)
{
nameScopeDictionary = new NameScope();
this._runtime.SetValue(instance, nameScopeProperty, nameScopeDictionary);
}
else
{
nameScopeDictionary = scope2 as INameScopeDictionary;
if (nameScopeDictionary == null)
{
nameScopeDictionary = new NameScopeDictionary(scope2);
}
}
}
}
}
if (((nameScopeDictionary == null) && (this._settings != null)) && this._settings.RegisterNamesOnExternalNamescope)
{
ObjectWriterFrame previous = (ObjectWriterFrame)rootFrame.Previous;
nameScopeDictionary = previous.NameScopeDictionary;
}
if (nameScopeDictionary == null)
{
nameScopeDictionary = new NameScope();
}
rootFrame.NameScopeDictionary = nameScopeDictionary;
return(nameScopeDictionary);
}
private XAML3.INameScopeDictionary HuntAroundForARootNameScope(ObjectWriterFrame rootFrame)
{
Debug.Assert(rootFrame.Depth == 1);
object inst = rootFrame.Instance;
if (inst == null && rootFrame.XamlType.IsNameScope)
{
throw new InvalidOperationException(SR.Get(SRID.NameScopeOnRootInstance));
}
XAML3.INameScopeDictionary nameScopeDictionary = null;
nameScopeDictionary = inst as XAML3.INameScopeDictionary;
if (nameScopeDictionary == null)
{
XAML3.INameScope nameScope = inst as XAML3.INameScope;
if (nameScope != null)
{
nameScopeDictionary = new NameScopeDictionary(nameScope);
}
}
// If the root instance isn't a name scope
// then perhaps it designated a property as the name scope.
if (nameScopeDictionary == null)
{
XamlType xamlType = rootFrame.XamlType;
if (xamlType.UnderlyingType != null)
{
// Get the Name Scope Property (from attribute on the class)
XamlMember nameScopeProperty = TypeReflector.LookupNameScopeProperty(xamlType);
if (nameScopeProperty != null)
{
// Read the value of the property. If it is an object we are good.
// if it is null create a stock name scope dictionary object and assign it back.
XAML3.INameScope nameScope = (XAML3.INameScope)_runtime.GetValue(inst, nameScopeProperty, false);
if (nameScope == null)
{
#if TARGETTING35SP1
nameScopeDictionary = new NameScopeDictionary(new NameScope());
#else
nameScopeDictionary = new NameScope();
#endif
_runtime.SetValue(inst, nameScopeProperty, nameScopeDictionary);
}
else
{
nameScopeDictionary = nameScope as XAML3.INameScopeDictionary;
if (nameScopeDictionary == null)
{
nameScopeDictionary = new NameScopeDictionary(nameScope);
}
}
}
}
}
if (nameScopeDictionary == null && _settings != null &&
_settings.RegisterNamesOnExternalNamescope)
{
ObjectWriterFrame frameZero = (ObjectWriterFrame)rootFrame.Previous;
nameScopeDictionary = frameZero.NameScopeDictionary;
}
// Otherwise we still need a namescope at the root of the parse
// for our own usage. For IXamlNameResolver() to use.
if (nameScopeDictionary == null)
{
#if TARGETTING35SP1
nameScopeDictionary = new NameScopeDictionary(new NameScope());
#else
nameScopeDictionary = new NameScope();
#endif
}
rootFrame.NameScopeDictionary = nameScopeDictionary;
return(nameScopeDictionary);
}