public XamlObjectWriter (XamlSchemaContext schemaContext, XamlObjectWriterSettings settings)
{
if (schemaContext == null)
throw new ArgumentNullException ("schemaContext");
this.sctx = schemaContext;
this.settings = settings ?? new XamlObjectWriterSettings ();
}
public static object LoadDeferredContent(System.Xaml.XamlReader xamlReader, IXamlObjectWriterFactory writerFactory,
bool skipJournaledProperties, Object rootObject, XamlObjectWriterSettings parentSettings, Uri baseUri)
{
XamlObjectWriterSettings settings = XamlReader.CreateObjectWriterSettings(parentSettings);
// Don't set settings.RootObject because this isn't the real root
return Load(xamlReader, writerFactory, skipJournaledProperties, rootObject, settings, baseUri);
}
public XamlObjectWriter(XamlSchemaContext schemaContext, XamlObjectWriterSettings settings)
{
if (schemaContext == null)
{
throw new ArgumentNullException("schemaContext");
}
this.Initialize(schemaContext, null, settings);
}
public XamlObjectWriter (XamlSchemaContext schemaContext, XamlObjectWriterSettings settings)
{
if (schemaContext == null)
throw new ArgumentNullException ("schemaContext");
this.sctx = schemaContext;
this.settings = settings ?? new XamlObjectWriterSettings ();
var manager = new XamlWriterStateManager<XamlObjectWriterException, XamlObjectWriterException> (false);
intl = new XamlObjectWriterInternal (this, sctx, manager);
}
public XamlObjectWriter (XamlSchemaContext schemaContext, XamlObjectWriterSettings settings)
{
if (schemaContext == null)
throw new ArgumentNullException ("schemaContext");
this.sctx = schemaContext;
this.settings = settings ?? new XamlObjectWriterSettings ();
var p = new PrefixLookup (sctx);
service_provider = new ValueSerializerContext (p, sctx);
namespaces = p.Namespaces;
}
internal XamlObjectWriter(XamlSavedContext savedContext, XamlObjectWriterSettings settings)
{
if (savedContext == null)
{
throw new ArgumentNullException("savedContext");
}
if (savedContext.SchemaContext == null)
{
throw new ArgumentException(System.Xaml.SR.Get("SavedContextSchemaContextNull"), "savedContext");
}
this.Initialize(savedContext.SchemaContext, savedContext, settings);
}
internal XamlObjectWriterSettings StripDelegates()
{
XamlObjectWriterSettings result = new XamlObjectWriterSettings(this);
// We need better protection against leaking out these delegates
result.AfterBeginInitHandler = null;
result.AfterEndInitHandler = null;
result.AfterPropertiesHandler = null;
result.BeforePropertiesHandler = null;
#if !TARGETTING35SP1
result.XamlSetValueHandler = null;
#endif
return(result);
}
public XamlObjectWriterSettings(XamlObjectWriterSettings settings)
{
var s = settings;
AfterBeginInitHandler = s.AfterBeginInitHandler;
AfterEndInitHandler = s.AfterEndInitHandler;
AfterPropertiesHandler = s.AfterPropertiesHandler;
BeforePropertiesHandler = s.BeforePropertiesHandler;
ExternalNameScope = s.ExternalNameScope;
IgnoreCanConvert = s.IgnoreCanConvert;
PreferUnconvertedDictionaryKeys = s.PreferUnconvertedDictionaryKeys;
RegisterNamesOnExternalNamescope = s.RegisterNamesOnExternalNamescope;
RootObjectInstance = s.RootObjectInstance;
SkipDuplicatePropertyCheck = s.SkipDuplicatePropertyCheck;
SkipProvideValueOnRoot = s.SkipProvideValueOnRoot;
XamlSetValueHandler = s.XamlSetValueHandler;
}
public void DefaultValues ()
{
var s = new XamlObjectWriterSettings ();
Assert.IsNull (s.AccessLevel, "#1");
Assert.IsNull (s.AfterBeginInitHandler, "#2");
Assert.IsNull (s.AfterEndInitHandler, "#3");
Assert.IsNull (s.AfterPropertiesHandler, "#4");
Assert.IsNull (s.BeforePropertiesHandler, "#5");
Assert.IsNull (s.ExternalNameScope, "#6");
Assert.IsFalse (s.IgnoreCanConvert, "#7");
Assert.IsFalse (s.PreferUnconvertedDictionaryKeys, "#8");
Assert.IsFalse (s.RegisterNamesOnExternalNamescope, "#9");
Assert.IsNull (s.RootObjectInstance, "#10");
Assert.IsFalse (s.SkipDuplicatePropertyCheck, "#11");
Assert.IsFalse (s.SkipProvideValueOnRoot, "#12");
Assert.IsNull (s.XamlSetValueHandler, "#13");
}
/// <summary>
/// Loads XAML from the specified XamlXmlReader and returns the deserialized object. Any event handlers
/// are bound to methods defined in the provided Scope and converted using the provided DynamicOperations
/// object.
/// </summary>
public static object LoadComponent(dynamic scope, DynamicOperations operations, XamlXmlReader reader) {
var settings = new XamlObjectWriterSettings();
settings.RootObjectInstance = scope;
var myWriter = new DynamicWriter((object)scope, operations, reader.SchemaContext, settings);
while (reader.Read()) {
myWriter.WriteNode(reader);
}
foreach (string name in myWriter.Names) {
object value = myWriter.RootNameScope.FindName(name);
if (value != null) {
operations.SetMember((object)scope, name, value);
}
}
return myWriter.Result;
}
public XamlObjectWriterSettings (XamlObjectWriterSettings settings)
: base (settings)
{
var s = settings;
AccessLevel = s.AccessLevel;
AfterBeginInitHandler = s.AfterBeginInitHandler;
AfterEndInitHandler = s.AfterEndInitHandler;
AfterPropertiesHandler = s.AfterPropertiesHandler;
BeforePropertiesHandler = s.BeforePropertiesHandler;
ExternalNameScope = s.ExternalNameScope;
IgnoreCanConvert = s.IgnoreCanConvert;
PreferUnconvertedDictionaryKeys = s.PreferUnconvertedDictionaryKeys;
RegisterNamesOnExternalNamescope = s.RegisterNamesOnExternalNamescope;
RootObjectInstance = s.RootObjectInstance;
SkipDuplicatePropertyCheck = s.SkipDuplicatePropertyCheck;
SkipProvideValueOnRoot = s.SkipProvideValueOnRoot;
XamlSetValueHandler = s.XamlSetValueHandler;
}
public XamlObjectWriterSettings(XamlObjectWriterSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
this.AfterBeginInitHandler = settings.AfterBeginInitHandler;
this.BeforePropertiesHandler = settings.BeforePropertiesHandler;
this.AfterPropertiesHandler = settings.AfterPropertiesHandler;
this.AfterEndInitHandler = settings.AfterEndInitHandler;
this.XamlSetValueHandler = settings.XamlSetValueHandler;
this.RootObjectInstance = settings.RootObjectInstance;
this.IgnoreCanConvert = settings.IgnoreCanConvert;
this.ExternalNameScope = settings.ExternalNameScope;
this.SkipDuplicatePropertyCheck = settings.SkipDuplicatePropertyCheck;
this.RegisterNamesOnExternalNamescope = settings.RegisterNamesOnExternalNamescope;
this.AccessLevel = settings.AccessLevel;
this.SkipProvideValueOnRoot = settings.SkipProvideValueOnRoot;
this.PreferUnconvertedDictionaryKeys = settings.PreferUnconvertedDictionaryKeys;
}
public XamlObjectWriterSettings(XamlObjectWriterSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
this.AfterBeginInitHandler = settings.AfterBeginInitHandler;
this.BeforePropertiesHandler = settings.BeforePropertiesHandler;
this.AfterPropertiesHandler = settings.AfterPropertiesHandler;
this.AfterEndInitHandler = settings.AfterEndInitHandler;
this.XamlSetValueHandler = settings.XamlSetValueHandler;
this.RootObjectInstance = settings.RootObjectInstance;
this.IgnoreCanConvert = settings.IgnoreCanConvert;
this.ExternalNameScope = settings.ExternalNameScope;
this.SkipDuplicatePropertyCheck = settings.SkipDuplicatePropertyCheck;
this.RegisterNamesOnExternalNamescope = settings.RegisterNamesOnExternalNamescope;
this.AccessLevel = settings.AccessLevel;
this.SkipProvideValueOnRoot = settings.SkipProvideValueOnRoot;
this.PreferUnconvertedDictionaryKeys = settings.PreferUnconvertedDictionaryKeys;
}
public void RootObjectInstance ()
{
// bug #689548
var obj = new RootObjectInstanceTestClass ();
RootObjectInstanceTestClass result;
var rsettings = new XamlXmlReaderSettings ();
var xml = String.Format (@"<RootObjectInstanceTestClass Property=""Test"" xmlns=""clr-namespace:MonoTests.System.Xaml;assembly={0}""></RootObjectInstanceTestClass>", GetType ().Assembly.GetName ().Name);
using (var reader = new XamlXmlReader (new StringReader (xml), rsettings)) {
var wsettings = new XamlObjectWriterSettings ();
wsettings.RootObjectInstance = obj;
using (var writer = new XamlObjectWriter (reader.SchemaContext, wsettings)) {
XamlServices.Transform (reader, writer, false);
result = (RootObjectInstanceTestClass) writer.Result;
}
}
Assert.AreEqual (obj, result, "#1");
Assert.AreEqual ("Test", obj.Property, "#2");
}
public XamlObjectWriterSettings(XamlObjectWriterSettings settings)
{
if (settings == null)
{
throw new ArgumentNullException("settings");
}
AfterBeginInitHandler = settings.AfterBeginInitHandler;
BeforePropertiesHandler = settings.BeforePropertiesHandler;
AfterPropertiesHandler = settings.AfterPropertiesHandler;
AfterEndInitHandler = settings.AfterEndInitHandler;
#if !TARGETTING35SP1
XamlSetValueHandler = settings.XamlSetValueHandler;
#endif
RootObjectInstance = settings.RootObjectInstance;
IgnoreCanConvert = settings.IgnoreCanConvert;
ExternalNameScope = settings.ExternalNameScope;
SkipDuplicatePropertyCheck = settings.SkipDuplicatePropertyCheck;
RegisterNamesOnExternalNamescope = settings.RegisterNamesOnExternalNamescope;
AccessLevel = settings.AccessLevel;
SkipProvideValueOnRoot = settings.SkipProvideValueOnRoot;
PreferUnconvertedDictionaryKeys = settings.PreferUnconvertedDictionaryKeys;
SourceBamlUri = settings.SourceBamlUri;
}
private XamlRuntime CreateRuntime(XamlObjectWriterSettings settings, XamlSchemaContext schemaContext)
{
XamlRuntime runtime = null;
XamlRuntimeSettings runtimeSettings = null;
if (settings != null)
{
runtimeSettings = new XamlRuntimeSettings {
IgnoreCanConvert = settings.IgnoreCanConvert
};
if (settings.AccessLevel != null)
{
runtime = new PartialTrustTolerantRuntime(runtimeSettings, settings.AccessLevel, schemaContext);
}
}
if (runtime == null)
{
runtime = new ClrObjectRuntime(runtimeSettings, true);
}
runtime.LineInfo = this;
return runtime;
}
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);
}
public XamlObjectWriter GetXamlObjectWriter(XamlObjectWriterSettings settings)
{
return new XamlObjectWriter(new XamlSchemaContext());
}
private void ExtractBAML(string name, Stream stream)
{
var reader = new Baml2006Reader(stream);
var settings = new XamlObjectWriterSettings ();
settings.BeforePropertiesHandler += (sender, e) =>
{
Trace("properties for {0}", e.Instance);
};
settings.XamlSetValueHandler += (sender, e) =>
{
//TraceTarget.Trace("set value {0} = {1}", e.Member.Name, e.Value);
/*if (e.Member.Name == "DeferrableContent")
{
e.Handled = true;
}*/
};
var writer = new XamlObjectWriter(reader.SchemaContext, settings);
while (reader.Read())
{
writer.WriteNode(reader);
}
var x = writer.Result;
var ms = new MemoryStream();
using (var xwriter = XmlWriter.Create(ms, new XmlWriterSettings { Indent = true }))
{
System.Windows.Markup.XamlWriter.Save(x, xwriter);
}
var xamlname = Path.ChangeExtension(name, ".xaml");
ms.Position = 0;
AddResource(xamlname, ms);
}
public XamlObjectWriterFactory(ObjectWriterContext context)
{
this._savedContext = context.GetSavedContext(SavedContextType.Template);
this._parentSettings = context.ServiceProvider_GetSettings();
}
public XamlObjectWriter(XamlSchemaContext schemaContext, XamlObjectWriterSettings settings)
: this(schemaContext, settings, null)
{
}
public DynamicWriter(object scope, DynamicOperations operations, XamlSchemaContext context, XamlObjectWriterSettings settings)
: base(context, settings) {
_scope = scope;
_operations = operations;
}
internal static XamlObjectWriterSettings CreateObjectWriterSettings()
{
XamlObjectWriterSettings owSettings = new XamlObjectWriterSettings();
owSettings.IgnoreCanConvert = true;
owSettings.PreferUnconvertedDictionaryKeys = true;
return owSettings;
}
internal static XamlObjectWriterSettings CreateObjectWriterSettings(XamlObjectWriterSettings parentSettings)
{
XamlObjectWriterSettings owSettings = CreateObjectWriterSettings();
if (parentSettings != null)
{
owSettings.SkipDuplicatePropertyCheck = parentSettings.SkipDuplicatePropertyCheck;
owSettings.AccessLevel = parentSettings.AccessLevel;
owSettings.SkipProvideValueOnRoot = parentSettings.SkipProvideValueOnRoot;
}
return owSettings;
}
private void Initialize(XamlSchemaContext schemaContext, XamlSavedContext savedContext, XamlObjectWriterSettings settings)
{
this._inDispose = false;
if (schemaContext == null)
{
throw new ArgumentNullException("schemaContext");
}
if ((savedContext != null) && (schemaContext != savedContext.SchemaContext))
{
throw new ArgumentException(System.Xaml.SR.Get("SavedContextSchemaContextMismatch"), "schemaContext");
}
if (settings != null)
{
this._afterBeginInitHandler = settings.AfterBeginInitHandler;
this._beforePropertiesHandler = settings.BeforePropertiesHandler;
this._afterPropertiesHandler = settings.AfterPropertiesHandler;
this._afterEndInitHandler = settings.AfterEndInitHandler;
this._xamlSetValueHandler = settings.XamlSetValueHandler;
this._rootObjectInstance = settings.RootObjectInstance;
this._skipDuplicatePropertyCheck = settings.SkipDuplicatePropertyCheck;
this._skipProvideValueOnRoot = settings.SkipProvideValueOnRoot;
this._preferUnconvertedDictionaryKeys = settings.PreferUnconvertedDictionaryKeys;
}
INameScope rootNameScope = (settings != null) ? settings.ExternalNameScope : null;
XamlRuntime runtime = this.CreateRuntime(settings, schemaContext);
if (savedContext != null)
{
this._context = new ObjectWriterContext(savedContext, settings, rootNameScope, runtime);
}
else
{
if (schemaContext == null)
{
throw this.WithLineInfo(new XamlInternalException());
}
this._context = new ObjectWriterContext(schemaContext, settings, rootNameScope, runtime);
this._context.AddNamespacePrefix("xml", "http://www.w3.org/XML/1998/namespace");
}
this._context.IsInitializedCallback = this;
this._deferringWriter = new DeferringWriter(this._context);
this._rootNamescope = null;
}
public XamlObjectWriter GetXamlObjectWriter(XamlObjectWriterSettings settings)
{
return(new XamlObjectWriter(sctx, settings));
}
public XamlObjectWriter GetXamlObjectWriter(XamlObjectWriterSettings settings)
{
return new XamlObjectWriter(this._savedContext, settings);
}
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++);
}
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
}
}
public XamlObjectWriter GetXamlObjectWriter(XamlObjectWriterSettings settings)
{
var xamlSchemaContext = new XamlSchemaContext();
var xamlObjectWriter = new XamlObjectWriter(xamlSchemaContext, settings);
return xamlObjectWriter;
}
/// <summary>
/// Gets a <see cref="FrameworkTemplate"/> based on the specified parameters.
/// </summary>
/// <param name="xmlElement">The xml element to get template xaml from.</param>
/// <param name="parentObject">The <see cref="XamlObject"/> to use as source for resources and contextual information.</param>
/// <returns>A <see cref="FrameworkTemplate"/> based on the specified parameters.</returns>
public static FrameworkTemplate GetFrameworkTemplate(XmlElement xmlElement, XamlObject parentObject)
{
var nav = xmlElement.CreateNavigator();
var ns = new Dictionary<string, string>();
while (true)
{
var nsInScope = nav.GetNamespacesInScope(XmlNamespaceScope.ExcludeXml);
foreach (var ak in nsInScope)
{
if (!ns.ContainsKey(ak.Key) && ak.Key != "")
ns.Add(ak.Key, ak.Value);
}
if (!nav.MoveToParent())
break;
}
xmlElement = (XmlElement)xmlElement.CloneNode(true);
foreach (var dictentry in ns.ToList())
{
var value = dictentry.Value;
if (value.StartsWith("clr-namespace") && !value.Contains(";assembly=")) {
if (!string.IsNullOrEmpty(parentObject.OwnerDocument.CurrentProjectAssemblyName)) {
value += ";assembly=" + parentObject.OwnerDocument.CurrentProjectAssemblyName;
}
}
xmlElement.SetAttribute("xmlns:" + dictentry.Key, value);
}
var keyAttrib = xmlElement.GetAttribute("Key", XamlConstants.XamlNamespace);
if (string.IsNullOrEmpty(keyAttrib)) {
xmlElement.SetAttribute("Key", XamlConstants.XamlNamespace, "$$temp&&§§%%__");
}
var xaml = xmlElement.OuterXml;
xaml = "<ResourceDictionary xmlns=\"http://schemas.microsoft.com/netfx/2007/xaml/presentation\" xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\">" + xaml + "</ResourceDictionary>";
StringReader stringReader = new StringReader(xaml);
XmlReader xmlReader = XmlReader.Create(stringReader);
var xamlReader = new XamlXmlReader(xmlReader, parentObject.ServiceProvider.SchemaContext);
var seti = new XamlObjectWriterSettings();
var resourceDictionary = new ResourceDictionary();
var obj = parentObject;
while (obj != null)
{
if (obj.Instance is ResourceDictionary)
{
var r = obj.Instance as ResourceDictionary;
foreach (var k in r.Keys)
{
if (!resourceDictionary.Contains(k))
resourceDictionary.Add(k, r[k]);
}
}
else if (obj.Instance is FrameworkElement)
{
var r = ((FrameworkElement)obj.Instance).Resources;
foreach (var k in r.Keys)
{
if (!resourceDictionary.Contains(k))
resourceDictionary.Add(k, r[k]);
}
}
obj = obj.ParentObject;
}
seti.BeforePropertiesHandler = (s, e) =>
{
if (seti.BeforePropertiesHandler != null)
{
var rr = e.Instance as ResourceDictionary;
rr.MergedDictionaries.Add(resourceDictionary);
seti.BeforePropertiesHandler = null;
}
};
var writer = new XamlObjectWriter(parentObject.ServiceProvider.SchemaContext, seti);
XamlServices.Transform(xamlReader, writer);
var result = (ResourceDictionary)writer.Result;
var enr = result.Keys.GetEnumerator();
enr.MoveNext();
var rdKey = enr.Current;
var template = result[rdKey] as FrameworkTemplate;
result.Remove(rdKey);
return template;
}