private ResourceDictionary LoadDictionary(Assembly assembly, string assemblyName, string resourceName, bool isTraceEnabled)
{
ResourceDictionary dictionary = null;
// Create the resource manager that will load the byte array
ResourceManager rm = new ResourceManager(assemblyName + ".g", assembly);
resourceName = resourceName + ".baml";
// Load the resource stream
Stream stream = null;
try
{
stream = rm.GetStream(resourceName, CultureInfo.CurrentUICulture);
}
// There is no ResourceManager.HasManifest in order to detect this case before an exception is thrown.
// Likewise, there is no way to know if loading a resource will fail prior to loading it.
// So, the exceptions must be caught. stream will continue to be null and handled accordingly later.
#pragma warning disable 6502
catch (MissingManifestResourceException)
{
// No usable resources in the assembly
}
#if !DEBUG
catch (InvalidOperationException)
{
// Object not stored correctly
}
#endif
#pragma warning restore 6502
if (stream != null)
{
Baml2006ReaderSettings settings = new Baml2006ReaderSettings();
settings.OwnsStream = true;
settings.LocalAssembly = assembly;
Baml2006Reader bamlReader = new Baml2006Reader(stream, new Baml2006SchemaContext(settings.LocalAssembly), settings);
System.Xaml.XamlObjectWriterSettings owSettings = XamlReader.CreateObjectWriterSettingsForBaml();
if (assembly != null)
{
owSettings.AccessLevel = XamlAccessLevel.AssemblyAccessTo(assembly);
}
System.Xaml.XamlObjectWriter writer = new System.Xaml.XamlObjectWriter(bamlReader.SchemaContext, owSettings);
if (owSettings.AccessLevel != null)
{
XamlLoadPermission loadPermission = new XamlLoadPermission(owSettings.AccessLevel);
loadPermission.Assert();
try
{
System.Xaml.XamlServices.Transform(bamlReader, writer);
}
finally
{
CodeAccessPermission.RevertAssert();
}
}
else
{
System.Xaml.XamlServices.Transform(bamlReader, writer);
}
dictionary = (ResourceDictionary)writer.Result;
if (isTraceEnabled && (dictionary != null))
{
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientResourceBamlAssembly,
EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose,
assemblyName);
}
}
return dictionary;
}
//[CodeAnalysis("AptcaMethodsShouldOnlyCallAptcaMethods")] //Tracking Bug: 29647
internal static object LoadBaml(
Stream stream,
ParserContext parserContext,
object parent,
bool closeStream)
{
object root = null;
#if DEBUG_CLR_MEM
bool clrTracingEnabled = false;
// Use local pass variable to correctly log nested parses.
int pass = 0;
if (CLRProfilerControl.ProcessIsUnderCLRProfiler &&
(CLRProfilerControl.CLRLoggingLevel >= CLRProfilerControl.CLRLogState.Performance))
{
clrTracingEnabled = true;
pass = ++_CLRBamlPass;
CLRProfilerControl.CLRLogWriteLine("Begin_BamlParse_{0}", pass);
}
#endif // DEBUG_CLR_MEM
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WClientParseBamlBegin, parserContext.BaseUri);
if (TraceMarkup.IsEnabled)
{
TraceMarkup.Trace(TraceEventType.Start, TraceMarkup.Load);
}
try
{
//
// If the stream contains info about the Assembly that created it,
// set StreamCreatedAssembly from the stream instance.
//
IStreamInfo streamInfo = stream as IStreamInfo;
if (streamInfo != null)
{
parserContext.StreamCreatedAssembly = streamInfo.Assembly;
}
Baml2006ReaderSettings readerSettings = XamlReader.CreateBamlReaderSettings();
readerSettings.BaseUri = parserContext.BaseUri;
readerSettings.LocalAssembly = streamInfo.Assembly;
// We do not set OwnsStream = true so the Baml2006Reader will not close the stream.
// Calling code is responsible for disposing the stream
if (readerSettings.BaseUri == null || String.IsNullOrEmpty(readerSettings.BaseUri.ToString()))
{
readerSettings.BaseUri = BaseUriHelper.PackAppBaseUri;
}
var reader = new Baml2006Reader(stream, new Baml2006SchemaContext(readerSettings.LocalAssembly), readerSettings, parent);
// We don't actually use the GeneratedInternalTypeHelper any more.
// But for v3 compat, don't allow loading of internals in PT unless there is one.
Type internalTypeHelper = null;
if (streamInfo.Assembly != null)
{
try
{
internalTypeHelper = XamlTypeMapper.GetInternalTypeHelperTypeFromAssembly(parserContext);
}
// This can perform attribute reflection which will fail if the assembly has unresolvable
// attributes. If that happens, just assume there is no helper.
catch (Exception e)
{
if (MS.Internal.CriticalExceptions.IsCriticalException(e))
{
throw;
}
}
}
if (internalTypeHelper != null)
{
XamlAccessLevel accessLevel = XamlAccessLevel.AssemblyAccessTo(streamInfo.Assembly);
XamlLoadPermission loadPermission = new XamlLoadPermission(accessLevel);
loadPermission.Assert();
try
{
root = WpfXamlLoader.LoadBaml(reader, parserContext.SkipJournaledProperties, parent, accessLevel, parserContext.BaseUri);
}
finally
{
CodeAccessPermission.RevertAssert();
}
}
else
{
root = WpfXamlLoader.LoadBaml(reader, parserContext.SkipJournaledProperties, parent, null, parserContext.BaseUri);
}
DependencyObject dObject = root as DependencyObject;
if (dObject != null)
{
dObject.SetValue(BaseUriHelper.BaseUriProperty, readerSettings.BaseUri);
}
Application app = root as Application;
if (app != null)
{
app.ApplicationMarkupBaseUri = GetBaseUri(readerSettings.BaseUri);
}
Debug.Assert(parent == null || root == parent);
}
finally
{
if (TraceMarkup.IsEnabled)
{
TraceMarkup.Trace(TraceEventType.Stop, TraceMarkup.Load, root);
}
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordXamlBaml | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WClientParseBamlEnd, parserContext.BaseUri);
if (closeStream && stream != null)
{
stream.Close();
}
#if DEBUG_CLR_MEM
if (clrTracingEnabled && (CLRProfilerControl.CLRLoggingLevel >= CLRProfilerControl.CLRLogState.Performance))
{
CLRProfilerControl.CLRLogWriteLine("End_BamlParse_{0}", pass);
}
#endif // DEBUG_CLR_MEM
}
return (root);
}
