public override object Load(XamlReader xamlReader, IServiceProvider context)
{
FuncFactory factory = FuncFactory.CreateFactory(xamlReader, context);
IXamlNamespaceResolver nsResolver = context.GetService(typeof(IXamlNamespaceResolver)) as IXamlNamespaceResolver;
if (nsResolver != null)
{
factory.ParentNamespaces = nsResolver.GetNamespacePrefixes().ToList();
}
return(factory.GetFunc());
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value.GetType() != typeof(string))
{
return(base.ConvertFrom(context, culture, value));
}
IXamlNamespaceResolver namespaceResolver = (IXamlNamespaceResolver)context.GetService(typeof(IXamlNamespaceResolver));
int expectedNamespaceCount = int.Parse(value.ToString());
int count = 0;
foreach (NamespaceDeclaration namespaceDeclaration in namespaceResolver.GetNamespacePrefixes())
{
count++;
}
if (count != expectedNamespaceCount)
{
throw new Exception("Count of items returned from IXamlNamespaceResolver.GetNamespacePrefixes should be " + value);
}
return(expectedNamespaceCount);
}
public static VisualBasicSettings CollectXmlNamespacesAndAssemblies(ITypeDescriptorContext context)
{
// access XamlSchemaContext.ReferenceAssemblies
// for the Compiled Xaml scenario
IList <Assembly> xsCtxReferenceAssemblies = null;
IXamlSchemaContextProvider xamlSchemaContextProvider = context.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;
if (xamlSchemaContextProvider != null && xamlSchemaContextProvider.SchemaContext != null)
{
xsCtxReferenceAssemblies = xamlSchemaContextProvider.SchemaContext.ReferenceAssemblies;
if (xsCtxReferenceAssemblies != null && xsCtxReferenceAssemblies.Count == 0)
{
xsCtxReferenceAssemblies = null;
}
}
VisualBasicSettings settings = null;
IXamlNamespaceResolver namespaceResolver = (IXamlNamespaceResolver)context.GetService(typeof(IXamlNamespaceResolver));
if (namespaceResolver == null)
{
return(null);
}
lock (AssemblyCache.XmlnsMappingsLockObject)
{
// Fetch xmlnsMappings for the prefixes returned by the namespaceResolver service
foreach (NamespaceDeclaration prefix in namespaceResolver.GetNamespacePrefixes())
{
ReadOnlyXmlnsMapping mapping;
WrapCachedMapping(prefix, out mapping);
if (!mapping.IsEmpty)
{
if (settings == null)
{
settings = new VisualBasicSettings();
}
if (!mapping.IsEmpty)
{
foreach (ReadOnlyVisualBasicImportReference importReference in mapping.ImportReferences)
{
if (xsCtxReferenceAssemblies != null)
{
// this is "compiled Xaml"
VisualBasicImportReference newImportReference;
if (importReference.EarlyBoundAssembly != null)
{
if (xsCtxReferenceAssemblies.Contains(importReference.EarlyBoundAssembly))
{
newImportReference = importReference.Clone();
newImportReference.EarlyBoundAssembly = importReference.EarlyBoundAssembly;
settings.ImportReferences.Add(newImportReference);
}
continue;
}
for (int i = 0; i < xsCtxReferenceAssemblies.Count; i++)
{
AssemblyName xsCtxAssemblyName = VisualBasicHelper.GetFastAssemblyName(xsCtxReferenceAssemblies[i]);
if (importReference.AssemblySatisfiesReference(xsCtxAssemblyName))
{
// bind this assembly early to the importReference
// so later AssemblyName resolution can be skipped
newImportReference = importReference.Clone();
newImportReference.EarlyBoundAssembly = xsCtxReferenceAssemblies[i];
settings.ImportReferences.Add(newImportReference);
break;
}
}
}
else
{
// this is "loose Xaml"
VisualBasicImportReference newImportReference = importReference.Clone();
if (importReference.EarlyBoundAssembly != null)
{
// VBImportReference.Clone() method deliberately doesn't copy
// its EarlyBoundAssembly to the cloned instance.
// we need to explicitly copy the original's EarlyBoundAssembly
newImportReference.EarlyBoundAssembly = importReference.EarlyBoundAssembly;
}
settings.ImportReferences.Add(newImportReference);
}
}
}
}
}
}
return(settings);
}
public static VisualBasicSettings CollectXmlNamespacesAndAssemblies(ITypeDescriptorContext context)
{
IList <Assembly> referenceAssemblies = null;
IXamlSchemaContextProvider service = context.GetService(typeof(IXamlSchemaContextProvider)) as IXamlSchemaContextProvider;
if ((service != null) && (service.SchemaContext != null))
{
referenceAssemblies = service.SchemaContext.ReferenceAssemblies;
if ((referenceAssemblies != null) && (referenceAssemblies.Count == 0))
{
referenceAssemblies = null;
}
}
VisualBasicSettings settings = null;
IXamlNamespaceResolver resolver = (IXamlNamespaceResolver)context.GetService(typeof(IXamlNamespaceResolver));
if (resolver == null)
{
return(null);
}
lock (AssemblyCache.XmlnsMappings)
{
foreach (System.Xaml.NamespaceDeclaration declaration in resolver.GetNamespacePrefixes())
{
XmlnsMapping mapping;
XNamespace key = XNamespace.Get(declaration.Namespace);
if (!AssemblyCache.XmlnsMappings.TryGetValue(key, out mapping))
{
Match match = assemblyQualifiedNamespaceRegex.Match(declaration.Namespace);
if (match.Success)
{
mapping.ImportReferences = new System.Collections.Generic.HashSet <VisualBasicImportReference>();
VisualBasicImportReference item = new VisualBasicImportReference {
Assembly = match.Groups["assembly"].Value,
Import = match.Groups["namespace"].Value,
Xmlns = key
};
mapping.ImportReferences.Add(item);
}
else
{
mapping.ImportReferences = new System.Collections.Generic.HashSet <VisualBasicImportReference>();
}
AssemblyCache.XmlnsMappings[key] = mapping;
}
if (!mapping.IsEmpty)
{
if (settings == null)
{
settings = new VisualBasicSettings();
}
foreach (VisualBasicImportReference reference2 in mapping.ImportReferences)
{
if (referenceAssemblies != null)
{
VisualBasicImportReference reference3;
AssemblyName assemblyName = reference2.AssemblyName;
if (reference2.EarlyBoundAssembly != null)
{
if (referenceAssemblies.Contains(reference2.EarlyBoundAssembly))
{
reference3 = reference2.Clone();
reference3.EarlyBoundAssembly = reference2.EarlyBoundAssembly;
settings.ImportReferences.Add(reference3);
}
}
else
{
for (int i = 0; i < referenceAssemblies.Count; i++)
{
if (AssemblySatisfiesReference(VisualBasicHelper.GetFastAssemblyName(referenceAssemblies[i]), assemblyName))
{
reference3 = reference2.Clone();
reference3.EarlyBoundAssembly = referenceAssemblies[i];
settings.ImportReferences.Add(reference3);
break;
}
}
}
}
else
{
VisualBasicImportReference reference4 = reference2.Clone();
if (reference2.EarlyBoundAssembly != null)
{
reference4.EarlyBoundAssembly = reference2.EarlyBoundAssembly;
}
settings.ImportReferences.Add(reference4);
}
}
}
}
}
return(settings);
}