public static void Transform(XamlReader xamlReader, XamlWriter xamlWriter, bool closeWriter)
{
if (xamlReader == null)
{
throw new ArgumentNullException("xamlReader");
}
if (xamlWriter == null)
{
throw new ArgumentNullException("xamlWriter");
}
IXamlLineInfo info = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer consumer = xamlWriter as IXamlLineInfoConsumer;
bool flag = false;
if (((info != null) && info.HasLineInfo) && ((consumer != null) && consumer.ShouldProvideLineInfo))
{
flag = true;
}
while (xamlReader.Read())
{
if (flag && (info.LineNumber != 0))
{
consumer.SetLineInfo(info.LineNumber, info.LinePosition);
}
xamlWriter.WriteNode(xamlReader);
}
if (closeWriter)
{
xamlWriter.Close();
}
}
public static void PropagateLineInfo(XamlWriter targetWriter, int lineNumber, int linePosition)
{
IXamlLineInfoConsumer consumer = targetWriter as IXamlLineInfoConsumer;
Fx.Assert(consumer != null && consumer.ShouldProvideLineInfo, "Should only call this function to write into a XamlNodeQueue.Writer, which is always IXamlLineInfoConsumer");
consumer.SetLineInfo(lineNumber, linePosition);
}
private void InterruptableTransform(XamlReader reader, XamlWriter writer, bool closeWriter)
{
IXamlLineInfo info = reader as IXamlLineInfo;
IXamlLineInfoConsumer consumer = writer as IXamlLineInfoConsumer;
bool flag = false;
if (((info != null) && info.HasLineInfo) && ((consumer != null) && consumer.ShouldProvideLineInfo))
{
flag = true;
}
while (reader.Read())
{
if (base.IsDisposed)
{
break;
}
if (flag && (info.LineNumber != 0))
{
consumer.SetLineInfo(info.LineNumber, info.LinePosition);
}
writer.WriteNode(reader);
}
if (closeWriter)
{
writer.Close();
}
}
// This method is a workaround for TFS bug #788190, since XamlReader.ReadSubtree() should (but doesn't) preserve IXamlLineInfo on the subreader
public static void Transform(XamlReader reader, XamlWriter writer, IXamlLineInfo readerLineInfo, bool closeWriter)
{
IXamlLineInfoConsumer consumer = writer as IXamlLineInfoConsumer;
Fx.Assert(consumer != null && consumer.ShouldProvideLineInfo, "Should only call this function to write into a XamlNodeQueue.Writer, which is always IXamlLineInfoConsumer");
bool shouldPassLineNumberInfo = false;
if (readerLineInfo != null)
{
shouldPassLineNumberInfo = true;
}
while (reader.Read())
{
if (shouldPassLineNumberInfo)
{
consumer.SetLineInfo(readerLineInfo.LineNumber, readerLineInfo.LinePosition);
}
writer.WriteNode(reader);
}
if (closeWriter)
{
writer.Close();
}
}
// This method reads ViewStateManager nodes from the xaml nodestream and outputs that in the
// viewStateInfo dictionary. The input reader is positioned at the begining of the workflow definition.
// The method returns a reader positioned at the begining of the workflow definition with the ViewStateManager
// nodes removed.
static XamlReader StripViewStateElement(XamlReader inputReader, out Dictionary <string, XamlNodeList> viewStateInfo, out Dictionary <string, SourceLocation> viewStateSourceLocationMap)
{
viewStateSourceLocationMap = null;
XamlNodeList strippedNodeList = new XamlNodeList(inputReader.SchemaContext);
XamlMember viewStateManager = new XamlMember(ViewStateManager, GetViewStateManager, SetViewStateManager, inputReader.SchemaContext);
using (XamlWriter strippedWriter = strippedNodeList.Writer)
{
IXamlLineInfo lineInfo = inputReader as IXamlLineInfo;
IXamlLineInfoConsumer lineInfoComsumer = strippedWriter as IXamlLineInfoConsumer;
bool shouldPassLineInfo = lineInfo != null && lineInfo.HasLineInfo && lineInfoComsumer != null && lineInfoComsumer.ShouldProvideLineInfo;
viewStateInfo = null;
while (inputReader.Read())
{
if (inputReader.NodeType == XamlNodeType.StartMember && inputReader.Member.Equals(viewStateManager))
{
ReadViewStateInfo(inputReader.ReadSubtree(), out viewStateInfo, out viewStateSourceLocationMap);
}
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
strippedWriter.WriteNode(inputReader);
}
}
return(strippedNodeList.GetReader());
}
private void InterruptableTransform(XamlReader reader, XamlWriter writer, bool closeWriter)
{
IXamlLineInfo xamlLineInfo = reader as IXamlLineInfo;
IXamlLineInfoConsumer xamlLineInfoConsumer = writer as IXamlLineInfoConsumer;
bool shouldPassLineNumberInfo = false;
if ((xamlLineInfo != null && xamlLineInfo.HasLineInfo) &&
(xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo))
{
shouldPassLineNumberInfo = true;
}
while (reader.Read())
{
if (IsDisposed)
{
break;
}
if (shouldPassLineNumberInfo)
{
if (xamlLineInfo.LineNumber != 0)
{
xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
}
}
writer.WriteNode(reader);
}
if (closeWriter)
{
writer.Close();
}
}
private void Initialize()
{
IndentUnit = " ";
FromMemberText = "Retrieved";
UnknownText = "Unknown";
ImplicitText = "Implicit";
_stack = new SimpleWriterStack();
_wrappedWriterLineInfoConsumer = _wrappedWriter as IXamlLineInfoConsumer;
}
public DiagnosticWriter(XamlSchemaContext schemaContext)
{
_schemaContext = schemaContext;
_nodeText = String.Empty;
_indent = 0;
_stringbuilder = null;
_wrappedWriter = null;
_wrappedWriterLineInfoConsumer = null;
}
private void StartDeferredList()
{
// the list may have been created already by SetLineInfo
if (_deferredList == null)
{
_deferredList = new XamlNodeList(_context.SchemaContext);
_deferredWriter = _deferredList.Writer;
_deferredLineInfoConsumer = _deferredWriter as IXamlLineInfoConsumer;
_deferredTreeDepth = 0;
}
}
// Copy the root namespaces from a reader to a writer.
// DesignTimeXamlWriter follows proper XAML convention by omitting the assembly name from
// clr-namespaces in the local assembly. However, VB Expressions aren't local-assembly-aware,
// and require an assembly name. So for every clr-namespace with no assembly name, we add an
// additional namespace record with an assembly name, to support VB.
// We only do this at the root level, since the designer only writes out namespaces at the root level.
internal void CopyNamespacesAndAddLocalAssembly(System.Xaml.XamlReader activityBuilderReader, System.Xaml.XamlWriter objectWriter)
{
// Designer loads alwas provide line info
IXamlLineInfo lineInfo = (IXamlLineInfo)activityBuilderReader;
IXamlLineInfoConsumer lineInfoConsumer = (IXamlLineInfoConsumer)objectWriter;
HashSet <string> definedPrefixes = new HashSet <string>();
List <NamespaceDeclaration> localAsmNamespaces = null;
while (activityBuilderReader.Read())
{
lineInfoConsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
if (activityBuilderReader.NodeType == XamlNodeType.NamespaceDeclaration)
{
definedPrefixes.Add(activityBuilderReader.Namespace.Prefix);
if (this.XamlSchemaContext.IsClrNamespaceWithNoAssembly(activityBuilderReader.Namespace.Namespace))
{
if (localAsmNamespaces == null)
{
localAsmNamespaces = new List <NamespaceDeclaration>();
}
localAsmNamespaces.Add(activityBuilderReader.Namespace);
}
objectWriter.WriteNode(activityBuilderReader);
}
else
{
if (localAsmNamespaces != null)
{
foreach (NamespaceDeclaration ns in localAsmNamespaces)
{
string prefix = null;
int i = 0;
do
{
i++;
prefix = ns.Prefix + i.ToString(CultureInfo.InvariantCulture);
}while (definedPrefixes.Contains(prefix));
string fullNs = this.XamlSchemaContext.AddLocalAssembly(ns.Namespace);
objectWriter.WriteNamespace(new NamespaceDeclaration(fullNs, prefix));
definedPrefixes.Add(prefix);
}
}
objectWriter.WriteNode(activityBuilderReader);
return;
}
}
}
protected override void Dispose(bool disposing)
{
try
{
if (disposing && !IsDisposed)
{
if (_deferredWriter != null)
{
_deferredWriter.Close();
_deferredWriter = null;
_deferredLineInfoConsumer = null;
}
}
}
finally
{
base.Dispose(disposing);
}
}
public static void Transform(XamlReader reader, XamlWriter writer, IXamlLineInfo readerLineInfo, bool closeWriter)
{
IXamlLineInfoConsumer consumer = writer as IXamlLineInfoConsumer;
bool flag = false;
if (readerLineInfo != null)
{
flag = true;
}
while (reader.Read())
{
if (flag)
{
consumer.SetLineInfo(readerLineInfo.LineNumber, readerLineInfo.LinePosition);
}
writer.WriteNode(reader);
}
if (closeWriter)
{
writer.Close();
}
}
public static void Transform(XamlReader xamlReader, XamlWriter xamlWriter, bool closeWriter)
{
if (xamlReader == null)
{
throw new ArgumentNullException(nameof(xamlReader));
}
if (xamlWriter == null)
{
throw new ArgumentNullException(nameof(xamlWriter));
}
IXamlLineInfo xamlLineInfo = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer xamlLineInfoConsumer = xamlWriter as IXamlLineInfoConsumer;
bool shouldPassLineNumberInfo = false;
if ((xamlLineInfo != null && xamlLineInfo.HasLineInfo) &&
(xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo))
{
shouldPassLineNumberInfo = true;
}
while (xamlReader.Read())
{
if (shouldPassLineNumberInfo)
{
if (xamlLineInfo.LineNumber != 0)
{
xamlLineInfoConsumer.SetLineInfo(xamlLineInfo.LineNumber, xamlLineInfo.LinePosition);
}
}
xamlWriter.WriteNode(xamlReader);
}
if (closeWriter)
{
xamlWriter.Close();
}
}
// 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;
}
}
}
/// <summary>
/// called when in async mode when get a time slice to read and load the Tree
/// </summary>
internal virtual void HandleAsyncQueueItem()
{
try
{
int startTickCount = MS.Win32.SafeNativeMethods.GetTickCount();
//bool moreData = true;
// for debugging, can set the Maximum Async records to
// read via markup
// x:AsyncRecords="3" would loop three times
// Todo: This should either be removed at some point
int maxRecords = _maxAsynxRecords;
System.Xaml.XamlReader xamlReader = _textReader;
IXamlLineInfo xamlLineInfo = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer xamlLineInfoConsumer = _objectWriter as IXamlLineInfoConsumer;
bool shouldPassLineNumberInfo = false;
if ((xamlLineInfo != null && xamlLineInfo.HasLineInfo) &&
(xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo))
{
shouldPassLineNumberInfo = true;
}
XamlMember synchronousRecordProperty = _textReader.SchemaContext.GetXamlDirective(XamlLanguage.Xaml2006Namespace, "AsyncRecords");
while (!xamlReader.IsEof && !_parseCancelled)
{
WpfXamlLoader.TransformNodes(xamlReader, _objectWriter, true /*onlyLoadOneNode*/, _skipJournaledProperties, shouldPassLineNumberInfo, xamlLineInfo, xamlLineInfoConsumer, _stack, _styleConnector);
if (xamlReader.NodeType == System.Xaml.XamlNodeType.Value && _stack.CurrentFrame.Property == synchronousRecordProperty)
{
if (xamlReader.Value is int)
{
_maxAsynxRecords = (int)xamlReader.Value;
}
else if (xamlReader.Value is String)
{
_maxAsynxRecords = Int32.Parse(xamlReader.Value as String, TypeConverterHelper.InvariantEnglishUS);
}
maxRecords = _maxAsynxRecords;
}
//Debug.Assert (1 >= RootList.Count, "Multiple roots not supported in async mode");
// check the timeout
int elapsed = MS.Win32.SafeNativeMethods.GetTickCount() - startTickCount;
// check for rollover
if (elapsed < 0)
{
startTickCount = 0; // reset to 0,
}
else if (elapsed > AsyncLoopTimeout)
{
break;
}
// decrement and compare with zero so the unitialized -1 and zero case
// doesn't break the loop.
if (--maxRecords == 0)
{
break;
}
}
}
catch (XamlParseException e)
{
_parseException = e;
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e) || !XamlReader.ShouldReWrapException(e, _baseUri))
{
_parseException = e;
}
else
{
_parseException = XamlReader.WrapException(e, null, _baseUri);
}
}
finally
{
if (_parseException != null || _parseCancelled)
{
TreeBuildComplete();
}
else
{
// if not at the EndOfDocument then post another work item
if (false == _textReader.IsEof)
{
Post();
}
else
{
// Building of the Tree is complete.
TreeBuildComplete();
}
}
}
}
private object LoadAsync(XmlReader reader, ParserContext parserContext)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (parserContext == null)
{
parserContext = new ParserContext();
}
_xmlReader = reader;
object rootObject = null;
if (parserContext.BaseUri == null ||
String.IsNullOrEmpty(parserContext.BaseUri.ToString()))
{
if (reader.BaseURI == null ||
String.IsNullOrEmpty(reader.BaseURI.ToString()))
{
parserContext.BaseUri = BaseUriHelper.PackAppBaseUri;
}
else
{
parserContext.BaseUri = new Uri(reader.BaseURI);
}
}
_baseUri = parserContext.BaseUri;
System.Xaml.XamlXmlReaderSettings settings = new System.Xaml.XamlXmlReaderSettings();
settings.IgnoreUidsOnPropertyElements = true;
settings.BaseUri = parserContext.BaseUri;
settings.ProvideLineInfo = true;
XamlSchemaContext schemaContext = parserContext.XamlTypeMapper != null ?
parserContext.XamlTypeMapper.SchemaContext : GetWpfSchemaContext();
try
{
_textReader = new System.Xaml.XamlXmlReader(reader, schemaContext, settings);
_stack = new XamlContextStack <WpfXamlFrame>(() => new WpfXamlFrame());
System.Xaml.XamlObjectWriterSettings objectSettings = XamlReader.CreateObjectWriterSettings();
objectSettings.AfterBeginInitHandler = delegate(object sender, System.Xaml.XamlObjectEventArgs args)
{
if (rootObject == null)
{
rootObject = args.Instance;
_styleConnector = rootObject as IStyleConnector;
}
UIElement uiElement = args.Instance as UIElement;
if (uiElement != null)
{
uiElement.SetPersistId(_persistId++);
}
DependencyObject dObject = args.Instance as DependencyObject;
if (dObject != null && _stack.CurrentFrame.XmlnsDictionary != null)
{
XmlnsDictionary dictionary = _stack.CurrentFrame.XmlnsDictionary;
dictionary.Seal();
XmlAttributeProperties.SetXmlnsDictionary(dObject, dictionary);
}
};
_objectWriter = new System.Xaml.XamlObjectWriter(_textReader.SchemaContext, objectSettings);
_parseCancelled = false;
_skipJournaledProperties = parserContext.SkipJournaledProperties;
XamlMember synchronousModeProperty = _textReader.SchemaContext.GetXamlDirective("http://schemas.microsoft.com/winfx/2006/xaml", "SynchronousMode");
XamlMember synchronousRecordProperty = _textReader.SchemaContext.GetXamlDirective("http://schemas.microsoft.com/winfx/2006/xaml", "AsyncRecords");
System.Xaml.XamlReader xamlReader = _textReader;
IXamlLineInfo xamlLineInfo = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer xamlLineInfoConsumer = _objectWriter as IXamlLineInfoConsumer;
bool shouldPassLineNumberInfo = false;
if ((xamlLineInfo != null && xamlLineInfo.HasLineInfo) &&
(xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo))
{
shouldPassLineNumberInfo = true;
}
bool async = false;
bool lastPropWasSyncMode = false;
bool lastPropWasSyncRecords = false;
while (!_textReader.IsEof)
{
WpfXamlLoader.TransformNodes(xamlReader, _objectWriter, true /*onlyLoadOneNode*/, _skipJournaledProperties, shouldPassLineNumberInfo, xamlLineInfo, xamlLineInfoConsumer, _stack, _styleConnector);
if (xamlReader.NodeType == System.Xaml.XamlNodeType.StartMember)
{
if (xamlReader.Member == synchronousModeProperty)
{
lastPropWasSyncMode = true;
}
else if (xamlReader.Member == synchronousRecordProperty)
{
lastPropWasSyncRecords = true;
}
}
else if (xamlReader.NodeType == System.Xaml.XamlNodeType.Value)
{
if (lastPropWasSyncMode == true)
{
if (xamlReader.Value as String == "Async")
{
async = true;
}
}
else if (lastPropWasSyncRecords == true)
{
if (xamlReader.Value is int)
{
_maxAsynxRecords = (int)xamlReader.Value;
}
else if (xamlReader.Value is String)
{
_maxAsynxRecords = Int32.Parse(xamlReader.Value as String, TypeConverterHelper.InvariantEnglishUS);
}
}
}
else if (xamlReader.NodeType == System.Xaml.XamlNodeType.EndMember)
{
lastPropWasSyncMode = false;
lastPropWasSyncRecords = false;
}
if (async && rootObject != null)
{
break;
}
}
}
catch (Exception e)
{
// Don't wrap critical exceptions or already-wrapped exceptions.
if (MS.Internal.CriticalExceptions.IsCriticalException(e) || !ShouldReWrapException(e, parserContext.BaseUri))
{
throw;
}
RewrapException(e, parserContext.BaseUri);
}
if (!_textReader.IsEof)
{
Post();
//ThreadStart threadStart = new ThreadStart(ReadXamlAsync);
//Thread thread = new Thread(threadStart);
//thread.Start();
}
else
{
TreeBuildComplete();
}
if (rootObject is DependencyObject)
{
if (parserContext.BaseUri != null && !String.IsNullOrEmpty(parserContext.BaseUri.ToString()))
{
(rootObject as DependencyObject).SetValue(BaseUriHelper.BaseUriProperty, parserContext.BaseUri);
}
//else
// (rootObject as DependencyObject).SetValue(BaseUriHelper.BaseUriProperty, BaseUriHelper.PackAppBaseUri);
WpfXamlLoader.EnsureXmlNamespaceMaps(rootObject, schemaContext);
}
Application app = rootObject as Application;
if (app != null)
{
app.ApplicationMarkupBaseUri = GetBaseUri(settings.BaseUri);
}
return(rootObject);
}
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
}
}
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;
}
}
}
// This method converts view state information stored within the ViewStateManager node back as
// attached properties on corresponding activity nodes.
// It is called when workflow definition is being deserialized from a string.
// inputReader - Nodestream that may have all view state information in the ViewStateManager node at the end of workflow definition.
// The reader is positioned at the begining of the workflow definition.
// idManager - This component issues running sequence numbers for IdRef.
// viewStateManager - (output) ViewStateManager object instance deserialized from the workflow definition.
// Result - Node stream positioned at the begining of the workflow definition with view state related information
// appearing as attached properties on activities. The ViewStateManager nodes are removed from the stream.
// Implementation logic:
// 1. Scan the input nodestream for ViewStateManager node.
// 2. If ViewStateManager node is found, store Id and corresponding attached property nodes
// in viewStateInfo dictionary. Otherwise return early.
// 3. Walk activity nodes in the workflow definition and apply viewstate related attached properties (from
// viewStateInfo dictionary) to each node.
// 4. If multiple activities have same IdRef values then corresponding viewstate related attached properties
// (from viewStateInfo dictionary) are applied to the first of those activities. The other activities with duplicate
// IdRef values do not get view state information.
public static XamlReader ConvertViewStateToAttachedProperties(XamlReader inputReader, ViewStateIdManager idManager, out Dictionary <string, SourceLocation> viewStateSourceLocationMap)
{
int idRefLineNumber = 0;
int idRefLinePosition = 0;
bool shouldWriteIdRefEndMember = false;
XamlReader retVal = null;
// Xaml member definition for IdRef. Used to identify existing IdRef properties in the input nodestream.
XamlMember idRefMember = new XamlMember(IdRef, GetIdRef, SetIdRef, inputReader.SchemaContext);
// Dictionary containing Ids and corresponding viewstate related
// attached property nodes. Populated by StripViewStateElement method.
Dictionary <string, XamlNodeList> viewStateInfo = null;
XamlReader workflowDefinition = StripViewStateElement(inputReader, out viewStateInfo, out viewStateSourceLocationMap);
// This is used to keep track of duplicate IdRefs in the workflow definition.
HashSet <string> idRefsSeen = new HashSet <string>();
// If the inputReader did not have a ViewStateManager node (4.0 format)
// return early.
if (viewStateInfo == null)
{
retVal = workflowDefinition;
}
else
{
// Stack to track StartObject/GetObject and EndObject nodes.
Stack <Frame> stack = new Stack <Frame>();
// Output node list.
XamlNodeList mergedNodeList = new XamlNodeList(workflowDefinition.SchemaContext);
bool inIdRefMember = false;
using (XamlWriter mergedNodeWriter = mergedNodeList.Writer)
{
IXamlLineInfo lineInfo = workflowDefinition as IXamlLineInfo;
IXamlLineInfoConsumer lineInfoComsumer = mergedNodeWriter as IXamlLineInfoConsumer;
bool shouldPassLineInfo = lineInfo != null && lineInfo.HasLineInfo && lineInfoComsumer != null && lineInfoComsumer.ShouldProvideLineInfo;
while (workflowDefinition.Read())
{
bool skipWritingWorkflowDefinition = false;
switch (workflowDefinition.NodeType)
{
case XamlNodeType.StartObject:
stack.Push(new Frame {
Type = workflowDefinition.Type
});
break;
case XamlNodeType.GetObject:
stack.Push(new Frame {
Type = null
});
break;
case XamlNodeType.StartMember:
// Track when the reader enters IdRef. Skip writing the start
// node to the output nodelist until we check for duplicates.
if (workflowDefinition.Member.Equals(idRefMember))
{
inIdRefMember = true;
skipWritingWorkflowDefinition = true;
if (shouldPassLineInfo)
{
idRefLineNumber = lineInfo.LineNumber;
idRefLinePosition = lineInfo.LinePosition;
}
}
break;
case XamlNodeType.Value:
if (inIdRefMember)
{
string idRef = workflowDefinition.Value as string;
if (!string.IsNullOrWhiteSpace(idRef))
{
// If IdRef value is a duplicate then do not associate it with
// the stack frame (top of stack == activity node with IdRef member on it).
if (idRefsSeen.Contains(idRef))
{
stack.Peek().IdRef = null;
}
// If the IdRef value is unique then associate it with the
// stack frame and also write its value into the output nodestream.
else
{
stack.Peek().IdRef = idRef;
idManager.UpdateMap(idRef);
idRefsSeen.Add(idRef);
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(idRefLineNumber, idRefLinePosition);
}
mergedNodeWriter.WriteStartMember(idRefMember);
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
mergedNodeWriter.WriteValue(idRef);
shouldWriteIdRefEndMember = true;
}
}
// Don't need to write IdRef value into the output
// nodestream. If the value was valid, it would have been written above.
skipWritingWorkflowDefinition = true;
}
break;
case XamlNodeType.EndMember:
// Exit IdRef node. Skip writing the EndMember node, we would have done
// it as part of reading the IdRef value.
if (inIdRefMember)
{
inIdRefMember = false;
skipWritingWorkflowDefinition = true;
if (shouldWriteIdRefEndMember)
{
shouldWriteIdRefEndMember = false;
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
mergedNodeWriter.WriteEndMember();
}
}
break;
case XamlNodeType.EndObject:
Frame frameObject = stack.Pop();
// Before we exit the end of an object, check if it had IdRef
// associated with it. If it did, look-up viewStateInfo for viewstate
// related attached property nodes and add them to the output nodelist.
if (!string.IsNullOrWhiteSpace(frameObject.IdRef))
{
XamlNodeList viewStateNodeList;
if (viewStateInfo.TryGetValue(frameObject.IdRef, out viewStateNodeList))
{
XamlReader viewStateReader = viewStateNodeList.GetReader();
IXamlLineInfo viewStateLineInfo = viewStateReader as IXamlLineInfo;
bool viewStateShouldPassLineInfo = viewStateLineInfo != null && viewStateLineInfo.HasLineInfo && lineInfoComsumer != null && lineInfoComsumer.ShouldProvideLineInfo;
while (viewStateReader.Read())
{
if (viewStateShouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(viewStateLineInfo.LineNumber, viewStateLineInfo.LinePosition);
}
mergedNodeWriter.WriteNode(viewStateReader);
}
}
}
break;
}
if (!skipWritingWorkflowDefinition)
{
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
mergedNodeWriter.WriteNode(workflowDefinition);
}
}
}
retVal = mergedNodeList.GetReader();
}
return(retVal);
}
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;
}
}
}
public DiagnosticWriter(StringBuilder stringbuilder, XamlWriter wrappedWriter, XamlSchemaContext xamlSchemaContext)
: this(stringbuilder, xamlSchemaContext)
{
_wrappedWriter = wrappedWriter;
_wrappedWriterLineInfoConsumer = _wrappedWriter as IXamlLineInfoConsumer;
}
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: 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);
}
// This method reads a ViewStateData node from the xaml nodestream. It outputs the Id property into viewStateId
// and the attached viewstate related properties in viewStateNodes. The input reader is positioned on a
// ViewStateData node within ViewStateManager.
static void ReadViewState(XamlType viewStateType, XamlReader xamlReader, out string viewStateId, out XamlNodeList viewStateNodes, out SourceLocation sourceLocation)
{
int globalMemberLevel = 0;
bool skippingUnexpectedAttachedProperty = false;
int skippingUnexpectedAttachedPropertyLevel = 0;
viewStateId = null;
viewStateNodes = new XamlNodeList(viewStateType.SchemaContext);
sourceLocation = null;
Stack <Frame> objectNodes = new Stack <Frame>();
XamlMember idMember = new XamlMember(typeof(ViewStateData).GetProperty("Id"), xamlReader.SchemaContext);
int[] viewStateDataSourceLocation = new int[4];
int sourceLocationIndex = -1;
IXamlLineInfo lineInfo = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer lineInfoComsumer = viewStateNodes.Writer as IXamlLineInfoConsumer;
bool shouldPassLineInfo = lineInfo != null && lineInfo.HasLineInfo && lineInfoComsumer != null && lineInfoComsumer.ShouldProvideLineInfo;
while (xamlReader.Read())
{
bool skipWritingToNodeList = false;
switch (xamlReader.NodeType)
{
case XamlNodeType.StartObject:
if (xamlReader.Type.Equals(viewStateType))
{
skipWritingToNodeList = true;
}
objectNodes.Push(new Frame {
Type = xamlReader.Type
});
break;
case XamlNodeType.GetObject:
objectNodes.Push(new Frame {
Type = null
});
break;
case XamlNodeType.StartMember:
globalMemberLevel++;
if (xamlReader.Member.Equals(idMember))
{
XamlReader idNode = xamlReader.ReadSubtree();
while (idNode.Read())
{
if (idNode.NodeType == XamlNodeType.Value)
{
viewStateId = idNode.Value as string;
}
}
}
// The xamlReader.ReadSubtree and subsequent while loop to get the Id member
// has moved the xamlReader forward to the next member. We need to check to see
// if it is an Attached Property that we care about. If it isn't then we need to
// skip it and not put it in the resulting XamlNodeList.
if (globalMemberLevel == 1 && !IsAttachablePropertyForConvert(xamlReader))
{
skippingUnexpectedAttachedProperty = true;
}
if (skippingUnexpectedAttachedProperty)
{
skippingUnexpectedAttachedPropertyLevel++;
}
sourceLocationIndex = GetViewStateDataSourceLocationIndexFromCurrentReader(xamlReader);
break;
case XamlNodeType.EndMember:
globalMemberLevel--;
if (skippingUnexpectedAttachedProperty)
{
skippingUnexpectedAttachedPropertyLevel--;
}
break;
case XamlNodeType.Value:
if (xamlReader.Value is int &&
sourceLocationIndex >= 0 &&
sourceLocationIndex < viewStateDataSourceLocation.Length)
{
viewStateDataSourceLocation[sourceLocationIndex] = (int)xamlReader.Value;
}
break;
case XamlNodeType.EndObject:
Frame objectNode = objectNodes.Pop();
if (objectNode.Type != null && objectNode.Type.Equals(viewStateType))
{
skipWritingToNodeList = true;
// The ViewStateData's source location should be valid, because
// before each EndObject, its SourceLocation is injected.
// If not, an exception will be thrown from constructor
// of SourceLocation.
sourceLocation = new SourceLocation(null,
viewStateDataSourceLocation[0],
viewStateDataSourceLocation[1],
viewStateDataSourceLocation[2],
viewStateDataSourceLocation[3]
);
}
Array.Clear(viewStateDataSourceLocation, 0, viewStateDataSourceLocation.Length);
break;
}
;
if (!skipWritingToNodeList && !skippingUnexpectedAttachedProperty)
{
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
viewStateNodes.Writer.WriteNode(xamlReader);
}
if (skippingUnexpectedAttachedPropertyLevel == 0)
{
skippingUnexpectedAttachedProperty = false;
}
}
viewStateNodes.Writer.Close();
}
// This method converts view state information stored within the ViewStateManager node back as
// attached properties on corresponding activity nodes.
// It is called when workflow definition is being deserialized from a string.
// inputReader - Nodestream that may have all view state information in the ViewStateManager node at the end of workflow definition.
// The reader is positioned at the begining of the workflow definition.
// idManager - This component issues running sequence numbers for IdRef.
// viewStateManager - (output) ViewStateManager object instance deserialized from the workflow definition.
// Result - Node stream positioned at the begining of the workflow definition with view state related information
// appearing as attached properties on activities. The ViewStateManager nodes are removed from the stream.
// Implementation logic:
// 1. Scan the input nodestream for ViewStateManager node.
// 2. If ViewStateManager node is found, store Id and corresponding attached property nodes
// in viewStateInfo dictionary. Otherwise return early.
// 3. Walk activity nodes in the workflow definition and apply viewstate related attached properties (from
// viewStateInfo dictionary) to each node.
// 4. If multiple activities have same IdRef values then corresponding viewstate related attached properties
// (from viewStateInfo dictionary) are applied to the first of those activities. The other activities with duplicate
// IdRef values do not get view state information.
public static XamlReader ConvertViewStateToAttachedProperties(XamlReader inputReader, ViewStateIdManager idManager, out Dictionary <string, SourceLocation> viewStateSourceLocationMap)
{
int idRefLineNumber = 0;
int idRefLinePosition = 0;
bool shouldWriteIdRefEndMember = false;
XamlReader retVal = null;
// Xaml member definition for IdRef. Used to identify existing IdRef properties in the input nodestream.
XamlMember idRefMember = new XamlMember(IdRef, GetIdRef, SetIdRef, inputReader.SchemaContext);
// These are used to ignore the IdRef members that are inside a DynamicUpdateInfo.OriginalDefinition/OriginalActivityBuilder attached property.
// We need to ignore these because if we don't, the IdRef values for the objects in the actual workflow defintion will be ignored because of the
// duplicate IdRef value. This causes problems with activity designers that depend on the ViewStateManager data to correctly display the workflow
// on the WorkflowDesigner canvas.
XamlMember originalDefinitionMember = new XamlMember(DynamicUpdateOriginalDefinitionMemberName, GetOriginalDefinition, SetOriginalDefinition, inputReader.SchemaContext);
XamlMember originalActivityBuilderMember = new XamlMember(DynamicUpdateOriginalActivityBuilderMemberName, GetOriginalActivityBuilder, SetOriginalActivityBuilder, inputReader.SchemaContext);
// insideOriginalDefintion gets set to true when we find a "StartMember" node for either of the above two attached properties.
// originalDefintionMemberCount gets incremented if we find any "StartMember" and insideOriginalDefinition is true.
// originalDefintionMemberCount gets decremented if we find any "EndMember" and insideOriginalDefintion is true.
// insideOriginalDefintion gets set to false when we find an "EndMember" and originalDefinitionMemberCount gets decremented to 0.
// If insideOriginalDefintion is true when we find an "IdRef" member, we do NOT add that IdRef to the idRefsSeen HashSet to avoid
// duplicates being defined by the IdRefs inside of the OriginalDefinition attached properties.
bool insideOriginalDefinition = false;
int originalDefinitionMemberCount = 0;
// Dictionary containing Ids and corresponding viewstate related
// attached property nodes. Populated by StripViewStateElement method.
Dictionary <string, XamlNodeList> viewStateInfo = null;
XamlReader workflowDefinition = StripViewStateElement(inputReader, out viewStateInfo, out viewStateSourceLocationMap);
// This is used to keep track of duplicate IdRefs in the workflow definition.
HashSet <string> idRefsSeen = new HashSet <string>();
// If the inputReader did not have a ViewStateManager node (4.0 format)
// return early.
if (viewStateInfo == null)
{
retVal = workflowDefinition;
}
else
{
// Stack to track StartObject/GetObject and EndObject nodes.
Stack <Frame> stack = new Stack <Frame>();
// Output node list.
XamlNodeList mergedNodeList = new XamlNodeList(workflowDefinition.SchemaContext);
bool inIdRefMember = false;
using (XamlWriter mergedNodeWriter = mergedNodeList.Writer)
{
IXamlLineInfo lineInfo = workflowDefinition as IXamlLineInfo;
IXamlLineInfoConsumer lineInfoComsumer = mergedNodeWriter as IXamlLineInfoConsumer;
bool shouldPassLineInfo = lineInfo != null && lineInfo.HasLineInfo && lineInfoComsumer != null && lineInfoComsumer.ShouldProvideLineInfo;
while (workflowDefinition.Read())
{
bool skipWritingWorkflowDefinition = false;
switch (workflowDefinition.NodeType)
{
case XamlNodeType.StartObject:
stack.Push(new Frame {
Type = workflowDefinition.Type
});
break;
case XamlNodeType.GetObject:
stack.Push(new Frame {
Type = null
});
break;
case XamlNodeType.StartMember:
// If we find a StartMember for DynamicUpdateInfo.OriginalDefinition or OriginalActivityBuilder, remember that we are
// inside one of those. We don't want to "remember" IdRef values in the idRefsSeen HashSet while inside these attached properties.
if (workflowDefinition.Member.Equals(originalDefinitionMember) || workflowDefinition.Member.Equals(originalActivityBuilderMember))
{
insideOriginalDefinition = true;
}
if (insideOriginalDefinition)
{
originalDefinitionMemberCount++;
}
// Track when the reader enters IdRef. Skip writing the start
// node to the output nodelist until we check for duplicates.
else if (workflowDefinition.Member.Equals(idRefMember))
{
inIdRefMember = true;
skipWritingWorkflowDefinition = true;
if (shouldPassLineInfo)
{
idRefLineNumber = lineInfo.LineNumber;
idRefLinePosition = lineInfo.LinePosition;
}
}
break;
case XamlNodeType.Value:
if (inIdRefMember)
{
// We don't want to deal with the IdRef if we are inside a DynamicUpdateInfo.OriginalDefinition/OriginalActivityBuilder
// attached property.
if (!insideOriginalDefinition)
{
string idRef = workflowDefinition.Value as string;
if (!string.IsNullOrWhiteSpace(idRef))
{
// If IdRef value is a duplicate then do not associate it with
// the stack frame (top of stack == activity node with IdRef member on it).
if (idRefsSeen.Contains(idRef))
{
stack.Peek().IdRef = null;
}
// If the IdRef value is unique then associate it with the
// stack frame and also write its value into the output nodestream.
else
{
stack.Peek().IdRef = idRef;
idManager.UpdateMap(idRef);
idRefsSeen.Add(idRef);
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(idRefLineNumber, idRefLinePosition);
}
mergedNodeWriter.WriteStartMember(idRefMember);
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
mergedNodeWriter.WriteValue(idRef);
shouldWriteIdRefEndMember = true;
}
}
}
// Don't need to write IdRef value into the output
// nodestream. If the value was valid, it would have been written above.
skipWritingWorkflowDefinition = true;
}
break;
case XamlNodeType.EndMember:
// If we are inside an OriginalDefinition/OriginalActivityBuilder attached property,
// decrement the count and if it goes to zero, set insideOriginalDefintion to false
// because we just encountered the EndMember for it.
if (insideOriginalDefinition)
{
originalDefinitionMemberCount--;
if (originalDefinitionMemberCount == 0)
{
insideOriginalDefinition = false;
}
}
// Exit IdRef node. Skip writing the EndMember node, we would have done
// it as part of reading the IdRef value.
if (inIdRefMember && !insideOriginalDefinition)
{
inIdRefMember = false;
skipWritingWorkflowDefinition = true;
if (shouldWriteIdRefEndMember)
{
shouldWriteIdRefEndMember = false;
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
mergedNodeWriter.WriteEndMember();
}
}
break;
case XamlNodeType.EndObject:
Frame frameObject = stack.Pop();
// Before we exit the end of an object, check if it had IdRef
// associated with it. If it did, look-up viewStateInfo for viewstate
// related attached property nodes and add them to the output nodelist.
if (!string.IsNullOrWhiteSpace(frameObject.IdRef))
{
XamlNodeList viewStateNodeList;
if (viewStateInfo.TryGetValue(frameObject.IdRef, out viewStateNodeList))
{
XamlReader viewStateReader = viewStateNodeList.GetReader();
IXamlLineInfo viewStateLineInfo = viewStateReader as IXamlLineInfo;
bool viewStateShouldPassLineInfo = viewStateLineInfo != null && viewStateLineInfo.HasLineInfo && lineInfoComsumer != null && lineInfoComsumer.ShouldProvideLineInfo;
while (viewStateReader.Read())
{
if (viewStateShouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(viewStateLineInfo.LineNumber, viewStateLineInfo.LinePosition);
}
mergedNodeWriter.WriteNode(viewStateReader);
}
}
}
break;
}
if (!skipWritingWorkflowDefinition)
{
if (shouldPassLineInfo)
{
lineInfoComsumer.SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
mergedNodeWriter.WriteNode(workflowDefinition);
}
}
}
retVal = mergedNodeList.GetReader();
}
return(retVal);
}
