private static void WriteValue(Xaml.XamlReader xamlReader, XamlObjectWriter xamlWriter, XamlContextStack <WpfXamlFrame> stack, IStyleConnector styleConnector)
{
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlLanguage.Shared)
{
bool isShared;
if (bool.TryParse(xamlReader.Value as string, out isShared))
{
if (!isShared)
{
if (!(xamlReader is Baml2006Reader))
{
throw new XamlParseException(SR.Get(SRID.SharedAttributeInLooseXaml));
}
}
}
}
// ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlReaderHelper.Freeze)
{
bool freeze = Convert.ToBoolean(xamlReader.Value, TypeConverterHelper.InvariantEnglishUS);
stack.CurrentFrame.FreezeFreezable = freeze;
var bamlReader = xamlReader as System.Windows.Baml2006.Baml2006Reader;
if (bamlReader != null)
{
bamlReader.FreezeFreezables = freeze;
}
}
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
else if (stack.CurrentFrame.Property == XmlSpace.Value || stack.CurrentFrame.Property == XamlLanguage.Space)
{
if (typeof(DependencyObject).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
System.Diagnostics.Debug.Assert(xamlReader.Value is string, "XmlAttributeProperties.XmlSpaceProperty has the type string.");
stack.CurrentFrame.XmlSpace = (string)xamlReader.Value == "default";
}
}
else
{
// Ideally we should check if we're inside FrameworkTemplate's Content and not register those.
// However, checking if the instance is null accomplishes the same with a much smaller perf impact.
if (styleConnector != null &&
stack.CurrentFrame.Instance != null &&
stack.CurrentFrame.Property == XamlLanguage.ConnectionId &&
typeof(Style).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
styleConnector.Connect((int)xamlReader.Value, stack.CurrentFrame.Instance);
}
xamlWriter.WriteNode(xamlReader);
}
}
private static object Load(System.Xaml.XamlReader xamlReader, IXamlObjectWriterFactory writerFactory,
bool skipJournaledProperties, Object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
{
XamlObjectWriter xamlWriter = null;
XamlContextStack <WpfXamlFrame> stack = new XamlContextStack <WpfXamlFrame>(() => new WpfXamlFrame());
int persistId = 1;
settings.AfterBeginInitHandler = delegate(object sender, System.Xaml.XamlObjectEventArgs args)
{
if (EventTrace.IsEnabled(EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose))
{
IXamlLineInfo ixli = xamlReader as IXamlLineInfo;
int lineNumber = -1;
int linePosition = -1;
if (ixli != null && ixli.HasLineInfo)
{
lineNumber = ixli.LineNumber;
linePosition = ixli.LinePosition;
}
EventTrace.EventProvider.TraceEvent(
EventTrace.Event.WClientParseXamlBamlInfo,
EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose,
args.Instance == null ? 0 : PerfService.GetPerfElementID(args.Instance),
lineNumber,
linePosition);
}
UIElement uiElement = args.Instance as UIElement;
if (uiElement != null)
{
uiElement.SetPersistId(persistId++);
}
XamlSourceInfoHelper.SetXamlSourceInfo(args.Instance, args, baseUri);
DependencyObject dObject = args.Instance as DependencyObject;
if (dObject != null && stack.CurrentFrame.XmlnsDictionary != null)
{
XmlnsDictionary dictionary = stack.CurrentFrame.XmlnsDictionary;
dictionary.Seal();
XmlAttributeProperties.SetXmlnsDictionary(dObject, dictionary);
}
stack.CurrentFrame.Instance = args.Instance;
};
if (writerFactory != null)
{
xamlWriter = writerFactory.GetXamlObjectWriter(settings);
}
else
{
xamlWriter = new System.Xaml.XamlObjectWriter(xamlReader.SchemaContext, settings);
}
IXamlLineInfo xamlLineInfo = null;
try
{
//Handle Line Numbers
xamlLineInfo = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer xamlLineInfoConsumer = xamlWriter as IXamlLineInfoConsumer;
bool shouldPassLineNumberInfo = false;
if ((xamlLineInfo != null && xamlLineInfo.HasLineInfo) &&
(xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo))
{
shouldPassLineNumberInfo = true;
}
IStyleConnector styleConnector = rootObject as IStyleConnector;
TransformNodes(xamlReader, xamlWriter,
false /*onlyLoadOneNode*/,
skipJournaledProperties,
shouldPassLineNumberInfo, xamlLineInfo, xamlLineInfoConsumer,
stack, styleConnector);
xamlWriter.Close();
return(xamlWriter.Result);
}
catch (Exception e)
{
// Don't wrap critical exceptions or already-wrapped exceptions.
if (MS.Internal.CriticalExceptions.IsCriticalException(e) || !XamlReader.ShouldReWrapException(e, baseUri))
{
throw;
}
XamlReader.RewrapException(e, xamlLineInfo, baseUri);
return(null); // this should never be executed
}
}
// The ordering of how things are created and which methods are called are ABSOLUTELY critical
// Getting this order slightly off will result in several issues that are very hard to debug.
//
// The order must be:
// Register name to the TemplateNameScope (Either the real name specified by x:Name or
// RuntimeNameProperty or a fake name that we have to generate to call
// RegisterName. This is CRUCIAL since RegisterName sets the TemplatedParent
// and the TemplateChildIndex on the object
// If we're dealing with the root, wire the object to the parent (via FE.TemplateChild
// if we're dealing with an FE as the container or using FEF if it's not an FE)
// Invalidate properties on the object
private DependencyObject LoadOptimizedTemplateContent(DependencyObject container,
IComponentConnector componentConnector,
IStyleConnector styleConnector, List<DependencyObject> affectedChildren, UncommonField<Hashtable> templatedNonFeChildrenField)
{
if (Names == null)
{
Names = new XamlContextStack<Frame>(() => new Frame());
}
DependencyObject rootObject = null;
if (TraceMarkup.IsEnabled)
{
TraceMarkup.Trace(TraceEventType.Start, TraceMarkup.Load);
}
FrameworkElement feContainer = container as FrameworkElement;
bool isTemplatedParentAnFE = feContainer != null;
TemplateNameScope nameScope = new TemplateNameScope(container, affectedChildren, this);
XamlObjectWriterSettings settings = System.Windows.Markup.XamlReader.CreateObjectWriterSettings(_templateHolder.ObjectWriterParentSettings);
settings.ExternalNameScope = nameScope;
settings.RegisterNamesOnExternalNamescope = true;
IEnumerator<String> nameEnumerator = ChildNames.GetEnumerator();
// Delegate for AfterBeginInit event
settings.AfterBeginInitHandler =
delegate(object sender, System.Xaml.XamlObjectEventArgs args)
{
HandleAfterBeginInit(args.Instance, ref rootObject, container, feContainer, nameScope, nameEnumerator);
if (XamlSourceInfoHelper.IsXamlSourceInfoEnabled)
{
XamlSourceInfoHelper.SetXamlSourceInfo(args.Instance, args, null);
}
};
// Delegate for BeforeProperties event
settings.BeforePropertiesHandler =
delegate(object sender, System.Xaml.XamlObjectEventArgs args)
{
HandleBeforeProperties(args.Instance, ref rootObject, container, feContainer, nameScope);
};
// Delegate for XamlSetValue event
settings.XamlSetValueHandler =
delegate(object sender, System.Windows.Markup.XamlSetValueEventArgs setArgs)
{
setArgs.Handled = ReceivePropertySet(sender, setArgs.Member, setArgs.Value, container);
};
XamlObjectWriter objectWriter = _templateHolder.ObjectWriterFactory.GetXamlObjectWriter(settings);
try
{
LoadTemplateXaml(objectWriter);
}
finally
{
if (TraceMarkup.IsEnabled)
{
TraceMarkup.Trace(TraceEventType.Stop, TraceMarkup.Load, rootObject);
}
}
return rootObject;
}
internal static void TransformNodes(System.Xaml.XamlReader xamlReader, System.Xaml.XamlObjectWriter xamlWriter,
bool onlyLoadOneNode,
bool skipJournaledProperties,
bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer,
XamlContextStack <WpfXamlFrame> stack,
IStyleConnector styleConnector)
{
while (xamlReader.Read())
{
if (shouldPassLineNumberInfo)
{
if (xamlLineInfo.LineNumber != 0)
{
xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
}
}
switch (xamlReader.NodeType)
{
case System.Xaml.XamlNodeType.NamespaceDeclaration:
xamlWriter.WriteNode(xamlReader);
if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
{
stack.PushScope();
// Need to create an XmlnsDictionary.
// Look up stack to see if we have one earlier
// If so, use that. Otherwise new a xmlnsDictionary
WpfXamlFrame iteratorFrame = stack.CurrentFrame;
while (iteratorFrame != null)
{
if (iteratorFrame.XmlnsDictionary != null)
{
stack.CurrentFrame.XmlnsDictionary =
new XmlnsDictionary(iteratorFrame.XmlnsDictionary);
break;
}
iteratorFrame = (WpfXamlFrame)iteratorFrame.Previous;
}
if (stack.CurrentFrame.XmlnsDictionary == null)
{
stack.CurrentFrame.XmlnsDictionary =
new XmlnsDictionary();
}
}
stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
break;
case System.Xaml.XamlNodeType.StartObject:
WriteStartObject(xamlReader, xamlWriter, stack);
break;
case System.Xaml.XamlNodeType.GetObject:
xamlWriter.WriteNode(xamlReader);
// If there wasn't a namespace node before this get object, need to pushScope.
if (stack.CurrentFrame.Type != null)
{
stack.PushScope();
}
stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
break;
case System.Xaml.XamlNodeType.EndObject:
xamlWriter.WriteNode(xamlReader);
// Freeze if required
if (stack.CurrentFrame.FreezeFreezable)
{
Freezable freezable = xamlWriter.Result as Freezable;
if (freezable != null && freezable.CanFreeze)
{
freezable.Freeze();
}
}
DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
if (dependencyObject != null && stack.CurrentFrame.XmlSpace.HasValue)
{
XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
}
stack.PopScope();
break;
case System.Xaml.XamlNodeType.StartMember:
// ObjectWriter should NOT process PresentationOptions:Freeze directive since it is Unknown
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
if (!(xamlReader.Member.IsDirective && xamlReader.Member == XamlReaderHelper.Freeze) &&
xamlReader.Member != XmlSpace.Value &&
xamlReader.Member != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
stack.CurrentFrame.Property = xamlReader.Member;
if (skipJournaledProperties)
{
if (!stack.CurrentFrame.Property.IsDirective)
{
System.Windows.Baml2006.WpfXamlMember wpfMember = stack.CurrentFrame.Property as System.Windows.Baml2006.WpfXamlMember;
if (wpfMember != null)
{
DependencyProperty prop = wpfMember.DependencyProperty;
if (prop != null)
{
FrameworkPropertyMetadata metadata = prop.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
if (metadata != null && metadata.Journal == true)
{
// Ignore the BAML for this member, unless it declares a value that wasn't journaled - namely a binding or a dynamic resource
int count = 1;
while (xamlReader.Read())
{
switch (xamlReader.NodeType)
{
case System.Xaml.XamlNodeType.StartMember:
count++;
break;
case System.Xaml.XamlNodeType.StartObject:
XamlType xamlType = xamlReader.Type;
XamlType bindingBaseType = xamlType.SchemaContext.GetXamlType(typeof(BindingBase));
XamlType dynamicResourceType = xamlType.SchemaContext.GetXamlType(typeof(DynamicResourceExtension));
if (count == 1 && (xamlType.CanAssignTo(bindingBaseType) || xamlType.CanAssignTo(dynamicResourceType)))
{
count = 0;
WriteStartObject(xamlReader, xamlWriter, stack);
}
break;
case System.Xaml.XamlNodeType.EndMember:
count--;
if (count == 0)
{
xamlWriter.WriteNode(xamlReader);
stack.CurrentFrame.Property = null;
}
break;
case System.Xaml.XamlNodeType.Value:
DynamicResourceExtension value = xamlReader.Value as DynamicResourceExtension;
if (value != null)
{
WriteValue(xamlReader, xamlWriter, stack, styleConnector);
}
break;
}
if (count == 0)
{
break;
}
}
System.Diagnostics.Debug.Assert(count == 0, "Mismatch StartMember/EndMember");
}
}
}
}
}
break;
case System.Xaml.XamlNodeType.EndMember:
WpfXamlFrame currentFrame = stack.CurrentFrame;
XamlMember currentProperty = currentFrame.Property;
// ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
if (!(currentProperty.IsDirective && currentProperty == XamlReaderHelper.Freeze) &&
currentProperty != XmlSpace.Value &&
currentProperty != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
currentFrame.Property = null;
break;
case System.Xaml.XamlNodeType.Value:
WriteValue(xamlReader, xamlWriter, stack, styleConnector);
break;
default:
xamlWriter.WriteNode(xamlReader);
break;
}
//Only do this loop for one node if loadAsync
if (onlyLoadOneNode)
{
return;
}
}
}
internal TemplateComponentConnector( IComponentConnector componentConnector, IStyleConnector styleConnector )
{
_styleConnector = styleConnector;
_componentConnector = componentConnector;
}
internal static void TransformNodes(System.Xaml.XamlReader xamlReader, System.Xaml.XamlObjectWriter xamlWriter,
bool onlyLoadOneNode,
bool skipJournaledProperties,
bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer,
XamlContextStack<WpfXamlFrame> stack,
IStyleConnector styleConnector)
{
while (xamlReader.Read())
{
if (shouldPassLineNumberInfo)
{
if (xamlLineInfo.LineNumber != 0)
{
xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
}
}
switch (xamlReader.NodeType)
{
case System.Xaml.XamlNodeType.NamespaceDeclaration:
xamlWriter.WriteNode(xamlReader);
if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
{
stack.PushScope();
// Need to create an XmlnsDictionary.
// Look up stack to see if we have one earlier
// If so, use that. Otherwise new a xmlnsDictionary
WpfXamlFrame iteratorFrame = stack.CurrentFrame;
while (iteratorFrame != null)
{
if (iteratorFrame.XmlnsDictionary != null)
{
stack.CurrentFrame.XmlnsDictionary =
new XmlnsDictionary(iteratorFrame.XmlnsDictionary);
break;
}
iteratorFrame = (WpfXamlFrame)iteratorFrame.Previous;
}
if (stack.CurrentFrame.XmlnsDictionary == null)
{
stack.CurrentFrame.XmlnsDictionary =
new XmlnsDictionary();
}
}
stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
break;
case System.Xaml.XamlNodeType.StartObject:
xamlWriter.WriteNode(xamlReader);
// If there's a frame but no Type, that means there
// was a namespace. Just set the Type
if (stack.Depth != 0 && stack.CurrentFrame.Type == null)
{
stack.CurrentFrame.Type = xamlReader.Type;
}
else
{
// Propagate the FreezeFreezable property from the current stack frame
stack.PushScope();
stack.CurrentFrame.Type = xamlReader.Type;
if (stack.PreviousFrame.FreezeFreezable)
{
stack.CurrentFrame.FreezeFreezable = true;
}
}
break;
case System.Xaml.XamlNodeType.GetObject:
xamlWriter.WriteNode(xamlReader);
// If there wasn't a namespace node before this get object, need to pushScope.
if (stack.CurrentFrame.Type != null)
{
stack.PushScope();
}
stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
break;
case System.Xaml.XamlNodeType.EndObject:
xamlWriter.WriteNode(xamlReader);
// Freeze if required
if (stack.CurrentFrame.FreezeFreezable)
{
Freezable freezable = xamlWriter.Result as Freezable;
if (freezable != null && freezable.CanFreeze)
{
freezable.Freeze();
}
}
DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
if (dependencyObject != null && stack.CurrentFrame.XmlSpace.HasValue)
{
XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
}
stack.PopScope();
break;
case System.Xaml.XamlNodeType.StartMember:
// ObjectWriter should NOT process PresentationOptions:Freeze directive since it is Unknown
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
if (!(xamlReader.Member.IsDirective && xamlReader.Member == XamlReaderHelper.Freeze) &&
xamlReader.Member != XmlSpace.Value &&
xamlReader.Member != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
stack.CurrentFrame.Property = xamlReader.Member;
if (skipJournaledProperties)
{
if (!stack.CurrentFrame.Property.IsDirective)
{
System.Windows.Baml2006.WpfXamlMember wpfMember = stack.CurrentFrame.Property as System.Windows.Baml2006.WpfXamlMember;
if (wpfMember != null)
{
DependencyProperty prop = wpfMember.DependencyProperty;
if (prop != null)
{
FrameworkPropertyMetadata metadata = prop.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
if (metadata != null && metadata.Journal == true)
{
//
int count = 1;
while (xamlReader.Read())
{
switch (xamlReader.NodeType)
{
case System.Xaml.XamlNodeType.StartMember:
count++;
break;
case System.Xaml.XamlNodeType.EndMember:
count--;
if (count == 0)
{
xamlWriter.WriteNode(xamlReader);
}
break;
}
if (count == 0)
break;
}
// shouldn't this have been a XamlReader.Skip()?
System.Diagnostics.Debug.Assert(count == 0, "Mismatch StartMember/EndMember");
}
}
}
}
}
break;
case System.Xaml.XamlNodeType.EndMember:
WpfXamlFrame currentFrame = stack.CurrentFrame;
XamlMember currentProperty = currentFrame.Property;
// ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
if (!(currentProperty.IsDirective && currentProperty == XamlReaderHelper.Freeze) &&
currentProperty != XmlSpace.Value &&
currentProperty != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
currentFrame.Property = null;
break;
case System.Xaml.XamlNodeType.Value:
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlLanguage.Shared)
{
bool isShared;
if (bool.TryParse(xamlReader.Value as string, out isShared))
{
if (!isShared)
{
if (!(xamlReader is Baml2006Reader))
{
throw new XamlParseException(SR.Get(SRID.SharedAttributeInLooseXaml));
}
}
}
}
// ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlReaderHelper.Freeze)
{
bool freeze = Convert.ToBoolean(xamlReader.Value, TypeConverterHelper.InvariantEnglishUS);
stack.CurrentFrame.FreezeFreezable = freeze;
var bamlReader = xamlReader as System.Windows.Baml2006.Baml2006Reader;
if (bamlReader != null)
{
bamlReader.FreezeFreezables = freeze;
}
}
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
else if (stack.CurrentFrame.Property == XmlSpace.Value || stack.CurrentFrame.Property == XamlLanguage.Space)
{
if (typeof(DependencyObject).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
System.Diagnostics.Debug.Assert(xamlReader.Value is string, "XmlAttributeProperties.XmlSpaceProperty has the type string.");
stack.CurrentFrame.XmlSpace = (string)xamlReader.Value == "default";
}
}
else
{
// Ideally we should check if we're inside FrameworkTemplate's Content and not register those.
// However, checking if the instance is null accomplishes the same with a much smaller perf impact.
if (styleConnector != null &&
stack.CurrentFrame.Instance != null &&
stack.CurrentFrame.Property == XamlLanguage.ConnectionId &&
typeof(Style).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
styleConnector.Connect((int)xamlReader.Value, stack.CurrentFrame.Instance);
}
xamlWriter.WriteNode(xamlReader);
}
break;
default:
xamlWriter.WriteNode(xamlReader);
break;
}
//Only do this loop for one node if loadAsync
if (onlyLoadOneNode)
{
return;
}
}
}
internal static void TransformNodes(System.Xaml.XamlReader xamlReader, System.Xaml.XamlObjectWriter xamlWriter,
bool onlyLoadOneNode,
bool skipJournaledProperties,
bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer,
XamlContextStack <WpfXamlFrame> stack,
IStyleConnector styleConnector)
{
while (xamlReader.Read())
{
if (shouldPassLineNumberInfo)
{
if (xamlLineInfo.LineNumber != 0)
{
xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
}
}
switch (xamlReader.NodeType)
{
case System.Xaml.XamlNodeType.NamespaceDeclaration:
xamlWriter.WriteNode(xamlReader);
if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
{
stack.PushScope();
// Need to create an XmlnsDictionary.
// Look up stack to see if we have one earlier
// If so, use that. Otherwise new a xmlnsDictionary
WpfXamlFrame iteratorFrame = stack.CurrentFrame;
while (iteratorFrame != null)
{
if (iteratorFrame.XmlnsDictionary != null)
{
stack.CurrentFrame.XmlnsDictionary =
new XmlnsDictionary(iteratorFrame.XmlnsDictionary);
break;
}
iteratorFrame = (WpfXamlFrame)iteratorFrame.Previous;
}
if (stack.CurrentFrame.XmlnsDictionary == null)
{
stack.CurrentFrame.XmlnsDictionary =
new XmlnsDictionary();
}
}
stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
break;
case System.Xaml.XamlNodeType.StartObject:
xamlWriter.WriteNode(xamlReader);
// If there's a frame but no Type, that means there
// was a namespace. Just set the Type
if (stack.Depth != 0 && stack.CurrentFrame.Type == null)
{
stack.CurrentFrame.Type = xamlReader.Type;
}
else
{
// Propagate the FreezeFreezable property from the current stack frame
stack.PushScope();
stack.CurrentFrame.Type = xamlReader.Type;
if (stack.PreviousFrame.FreezeFreezable)
{
stack.CurrentFrame.FreezeFreezable = true;
}
}
break;
case System.Xaml.XamlNodeType.GetObject:
xamlWriter.WriteNode(xamlReader);
// If there wasn't a namespace node before this get object, need to pushScope.
if (stack.CurrentFrame.Type != null)
{
stack.PushScope();
}
stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
break;
case System.Xaml.XamlNodeType.EndObject:
xamlWriter.WriteNode(xamlReader);
// Freeze if required
if (stack.CurrentFrame.FreezeFreezable)
{
Freezable freezable = xamlWriter.Result as Freezable;
if (freezable != null && freezable.CanFreeze)
{
freezable.Freeze();
}
}
DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
if (dependencyObject != null && stack.CurrentFrame.XmlSpace.HasValue)
{
XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
}
stack.PopScope();
break;
case System.Xaml.XamlNodeType.StartMember:
// ObjectWriter should NOT process PresentationOptions:Freeze directive since it is Unknown
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
if (!(xamlReader.Member.IsDirective && xamlReader.Member == XamlReaderHelper.Freeze) &&
xamlReader.Member != XmlSpace.Value &&
xamlReader.Member != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
stack.CurrentFrame.Property = xamlReader.Member;
if (skipJournaledProperties)
{
if (!stack.CurrentFrame.Property.IsDirective)
{
System.Windows.Baml2006.WpfXamlMember wpfMember = stack.CurrentFrame.Property as System.Windows.Baml2006.WpfXamlMember;
if (wpfMember != null)
{
DependencyProperty prop = wpfMember.DependencyProperty;
if (prop != null)
{
FrameworkPropertyMetadata metadata = prop.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
if (metadata != null && metadata.Journal == true)
{
//
int count = 1;
while (xamlReader.Read())
{
switch (xamlReader.NodeType)
{
case System.Xaml.XamlNodeType.StartMember:
count++;
break;
case System.Xaml.XamlNodeType.EndMember:
count--;
if (count == 0)
{
xamlWriter.WriteNode(xamlReader);
}
break;
}
if (count == 0)
{
break;
}
}
// shouldn't this have been a XamlReader.Skip()?
System.Diagnostics.Debug.Assert(count == 0, "Mismatch StartMember/EndMember");
}
}
}
}
}
break;
case System.Xaml.XamlNodeType.EndMember:
WpfXamlFrame currentFrame = stack.CurrentFrame;
XamlMember currentProperty = currentFrame.Property;
// ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
if (!(currentProperty.IsDirective && currentProperty == XamlReaderHelper.Freeze) &&
currentProperty != XmlSpace.Value &&
currentProperty != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
currentFrame.Property = null;
break;
case System.Xaml.XamlNodeType.Value:
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlLanguage.Shared)
{
bool isShared;
if (bool.TryParse(xamlReader.Value as string, out isShared))
{
if (!isShared)
{
if (!(xamlReader is Baml2006Reader))
{
throw new XamlParseException(SR.Get(SRID.SharedAttributeInLooseXaml));
}
}
}
}
// ObjectWriter should not process PresentationOptions:Freeze directive nodes since it is unknown
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlReaderHelper.Freeze)
{
bool freeze = Convert.ToBoolean(xamlReader.Value, TypeConverterHelper.InvariantEnglishUS);
stack.CurrentFrame.FreezeFreezable = freeze;
var bamlReader = xamlReader as System.Windows.Baml2006.Baml2006Reader;
if (bamlReader != null)
{
bamlReader.FreezeFreezables = freeze;
}
}
// The space directive node stream should not be written because it induces object instantiation,
// and the Baml2006Reader can produce space directives prematurely.
else if (stack.CurrentFrame.Property == XmlSpace.Value || stack.CurrentFrame.Property == XamlLanguage.Space)
{
if (typeof(DependencyObject).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
System.Diagnostics.Debug.Assert(xamlReader.Value is string, "XmlAttributeProperties.XmlSpaceProperty has the type string.");
stack.CurrentFrame.XmlSpace = (string)xamlReader.Value == "default";
}
}
else
{
// Ideally we should check if we're inside FrameworkTemplate's Content and not register those.
// However, checking if the instance is null accomplishes the same with a much smaller perf impact.
if (styleConnector != null &&
stack.CurrentFrame.Instance != null &&
stack.CurrentFrame.Property == XamlLanguage.ConnectionId &&
typeof(Style).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
styleConnector.Connect((int)xamlReader.Value, stack.CurrentFrame.Instance);
}
xamlWriter.WriteNode(xamlReader);
}
break;
default:
xamlWriter.WriteNode(xamlReader);
break;
}
//Only do this loop for one node if loadAsync
if (onlyLoadOneNode)
{
return;
}
}
}
// Token: 0x06002256 RID: 8790 RVA: 0x000AAC86 File Offset: 0x000A8E86
internal TemplateComponentConnector(IComponentConnector componentConnector, IStyleConnector styleConnector)
{
this._styleConnector = styleConnector;
this._componentConnector = componentConnector;
}
// Token: 0x0600226A RID: 8810 RVA: 0x000AAE10 File Offset: 0x000A9010
private static object Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, bool skipJournaledProperties, object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
{
XamlContextStack <WpfXamlFrame> stack = new XamlContextStack <WpfXamlFrame>(() => new WpfXamlFrame());
int persistId = 1;
settings.AfterBeginInitHandler = delegate(object sender, XamlObjectEventArgs args)
{
if (EventTrace.IsEnabled(EventTrace.Keyword.KeywordPerf | EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose))
{
IXamlLineInfo xamlLineInfo2 = xamlReader as IXamlLineInfo;
int num = -1;
int num2 = -1;
if (xamlLineInfo2 != null && xamlLineInfo2.HasLineInfo)
{
num = xamlLineInfo2.LineNumber;
num2 = xamlLineInfo2.LinePosition;
}
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientParseXamlBamlInfo, EventTrace.Keyword.KeywordPerf | EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose, new object[]
{
(args.Instance == null) ? 0L : PerfService.GetPerfElementID(args.Instance),
num,
num2
});
}
UIElement uielement = args.Instance as UIElement;
if (uielement != null)
{
UIElement uielement2 = uielement;
int persistId = persistId;
persistId++;
uielement2.SetPersistId(persistId);
}
XamlSourceInfoHelper.SetXamlSourceInfo(args.Instance, args, baseUri);
DependencyObject dependencyObject = args.Instance as DependencyObject;
if (dependencyObject != null && stack.CurrentFrame.XmlnsDictionary != null)
{
XmlnsDictionary xmlnsDictionary = stack.CurrentFrame.XmlnsDictionary;
xmlnsDictionary.Seal();
XmlAttributeProperties.SetXmlnsDictionary(dependencyObject, xmlnsDictionary);
}
stack.CurrentFrame.Instance = args.Instance;
};
XamlObjectWriter xamlObjectWriter;
if (writerFactory != null)
{
xamlObjectWriter = writerFactory.GetXamlObjectWriter(settings);
}
else
{
xamlObjectWriter = new XamlObjectWriter(xamlReader.SchemaContext, settings);
}
IXamlLineInfo xamlLineInfo = null;
object result;
try
{
xamlLineInfo = (xamlReader as IXamlLineInfo);
IXamlLineInfoConsumer xamlLineInfoConsumer = xamlObjectWriter;
bool shouldPassLineNumberInfo = false;
if (xamlLineInfo != null && xamlLineInfo.HasLineInfo && xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo)
{
shouldPassLineNumberInfo = true;
}
IStyleConnector styleConnector = rootObject as IStyleConnector;
WpfXamlLoader.TransformNodes(xamlReader, xamlObjectWriter, false, skipJournaledProperties, shouldPassLineNumberInfo, xamlLineInfo, xamlLineInfoConsumer, stack, styleConnector);
xamlObjectWriter.Close();
result = xamlObjectWriter.Result;
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex) || !XamlReader.ShouldReWrapException(ex, baseUri))
{
throw;
}
XamlReader.RewrapException(ex, xamlLineInfo, baseUri);
result = null;
}
return(result);
}
// Token: 0x0600226C RID: 8812 RVA: 0x000AB378 File Offset: 0x000A9578
private static void WriteValue(XamlReader xamlReader, XamlObjectWriter xamlWriter, XamlContextStack <WpfXamlFrame> stack, IStyleConnector styleConnector)
{
bool flag;
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlLanguage.Shared && bool.TryParse(xamlReader.Value as string, out flag) && !flag && !(xamlReader is Baml2006Reader))
{
throw new XamlParseException(SR.Get("SharedAttributeInLooseXaml"));
}
if (stack.CurrentFrame.Property.IsDirective && stack.CurrentFrame.Property == XamlReaderHelper.Freeze)
{
bool flag2 = Convert.ToBoolean(xamlReader.Value, TypeConverterHelper.InvariantEnglishUS);
stack.CurrentFrame.FreezeFreezable = flag2;
Baml2006Reader baml2006Reader = xamlReader as Baml2006Reader;
if (baml2006Reader != null)
{
baml2006Reader.FreezeFreezables = flag2;
return;
}
}
else if (stack.CurrentFrame.Property == WpfXamlLoader.XmlSpace.Value || stack.CurrentFrame.Property == XamlLanguage.Space)
{
if (typeof(DependencyObject).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
stack.CurrentFrame.XmlSpace = new bool?((string)xamlReader.Value == "default");
return;
}
}
else
{
if (styleConnector != null && stack.CurrentFrame.Instance != null && stack.CurrentFrame.Property == XamlLanguage.ConnectionId && typeof(Style).IsAssignableFrom(stack.CurrentFrame.Type.UnderlyingType))
{
styleConnector.Connect((int)xamlReader.Value, stack.CurrentFrame.Instance);
}
xamlWriter.WriteNode(xamlReader);
}
}
// Token: 0x0600226B RID: 8811 RVA: 0x000AAF38 File Offset: 0x000A9138
internal static void TransformNodes(XamlReader xamlReader, XamlObjectWriter xamlWriter, bool onlyLoadOneNode, bool skipJournaledProperties, bool shouldPassLineNumberInfo, IXamlLineInfo xamlLineInfo, IXamlLineInfoConsumer xamlLineInfoConsumer, XamlContextStack <WpfXamlFrame> stack, IStyleConnector styleConnector)
{
while (xamlReader.Read())
{
if (shouldPassLineNumberInfo && xamlLineInfo.LineNumber != 0)
{
xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
}
switch (xamlReader.NodeType)
{
case XamlNodeType.StartObject:
WpfXamlLoader.WriteStartObject(xamlReader, xamlWriter, stack);
break;
case XamlNodeType.GetObject:
xamlWriter.WriteNode(xamlReader);
if (stack.CurrentFrame.Type != null)
{
stack.PushScope();
}
stack.CurrentFrame.Type = stack.PreviousFrame.Property.Type;
break;
case XamlNodeType.EndObject:
{
xamlWriter.WriteNode(xamlReader);
if (stack.CurrentFrame.FreezeFreezable)
{
Freezable freezable = xamlWriter.Result as Freezable;
if (freezable != null && freezable.CanFreeze)
{
freezable.Freeze();
}
}
DependencyObject dependencyObject = xamlWriter.Result as DependencyObject;
if (dependencyObject != null && stack.CurrentFrame.XmlSpace != null)
{
XmlAttributeProperties.SetXmlSpace(dependencyObject, stack.CurrentFrame.XmlSpace.Value ? "default" : "preserve");
}
stack.PopScope();
break;
}
case XamlNodeType.StartMember:
if ((!xamlReader.Member.IsDirective || !(xamlReader.Member == XamlReaderHelper.Freeze)) && xamlReader.Member != WpfXamlLoader.XmlSpace.Value && xamlReader.Member != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
stack.CurrentFrame.Property = xamlReader.Member;
if (skipJournaledProperties && !stack.CurrentFrame.Property.IsDirective)
{
WpfXamlMember wpfXamlMember = stack.CurrentFrame.Property as WpfXamlMember;
if (wpfXamlMember != null)
{
DependencyProperty dependencyProperty = wpfXamlMember.DependencyProperty;
if (dependencyProperty != null)
{
FrameworkPropertyMetadata frameworkPropertyMetadata = dependencyProperty.GetMetadata(stack.CurrentFrame.Type.UnderlyingType) as FrameworkPropertyMetadata;
if (frameworkPropertyMetadata != null && frameworkPropertyMetadata.Journal)
{
int num = 1;
while (xamlReader.Read())
{
switch (xamlReader.NodeType)
{
case XamlNodeType.StartObject:
{
XamlType type = xamlReader.Type;
XamlType xamlType = type.SchemaContext.GetXamlType(typeof(BindingBase));
XamlType xamlType2 = type.SchemaContext.GetXamlType(typeof(DynamicResourceExtension));
if (num == 1 && (type.CanAssignTo(xamlType) || type.CanAssignTo(xamlType2)))
{
num = 0;
WpfXamlLoader.WriteStartObject(xamlReader, xamlWriter, stack);
}
break;
}
case XamlNodeType.StartMember:
num++;
break;
case XamlNodeType.EndMember:
num--;
if (num == 0)
{
xamlWriter.WriteNode(xamlReader);
stack.CurrentFrame.Property = null;
}
break;
case XamlNodeType.Value:
{
DynamicResourceExtension dynamicResourceExtension = xamlReader.Value as DynamicResourceExtension;
if (dynamicResourceExtension != null)
{
WpfXamlLoader.WriteValue(xamlReader, xamlWriter, stack, styleConnector);
}
break;
}
}
if (num == 0)
{
break;
}
}
}
}
}
}
break;
case XamlNodeType.EndMember:
{
WpfXamlFrame currentFrame = stack.CurrentFrame;
XamlMember property = currentFrame.Property;
if ((!property.IsDirective || !(property == XamlReaderHelper.Freeze)) && property != WpfXamlLoader.XmlSpace.Value && property != XamlLanguage.Space)
{
xamlWriter.WriteNode(xamlReader);
}
currentFrame.Property = null;
break;
}
case XamlNodeType.Value:
WpfXamlLoader.WriteValue(xamlReader, xamlWriter, stack, styleConnector);
break;
case XamlNodeType.NamespaceDeclaration:
xamlWriter.WriteNode(xamlReader);
if (stack.Depth == 0 || stack.CurrentFrame.Type != null)
{
stack.PushScope();
for (WpfXamlFrame wpfXamlFrame = stack.CurrentFrame; wpfXamlFrame != null; wpfXamlFrame = (WpfXamlFrame)wpfXamlFrame.Previous)
{
if (wpfXamlFrame.XmlnsDictionary != null)
{
stack.CurrentFrame.XmlnsDictionary = new XmlnsDictionary(wpfXamlFrame.XmlnsDictionary);
break;
}
}
if (stack.CurrentFrame.XmlnsDictionary == null)
{
stack.CurrentFrame.XmlnsDictionary = new XmlnsDictionary();
}
}
stack.CurrentFrame.XmlnsDictionary.Add(xamlReader.Namespace.Prefix, xamlReader.Namespace.Namespace);
break;
default:
xamlWriter.WriteNode(xamlReader);
break;
}
if (onlyLoadOneNode)
{
return;
}
}
}