public static DocumentNode ParseMarkupExtension(XamlParserContext parserContext, ITextLocation lineInformation, IDocumentNodeReference nodeReference, IXmlNamespaceResolver xmlNamespaceResolver, IType valueType, string text)
{
MarkupExtensionDescription description = MarkupExtensionParser.Tokenize(parserContext, lineInformation, text);
if (description != null)
{
IType typeId1 = XamlTypeHelper.GetTypeId(parserContext, lineInformation, xmlNamespaceResolver, description.Name, true);
if (typeId1 != null)
{
if (parserContext.PlatformMetadata.KnownTypes.NullExtension.Equals((object)typeId1))
{
if (description.PositionalArguments.Count > 0 || description.NamedArguments.Count > 0)
{
parserContext.ReportError(XamlParseErrors.InvalidMarkupExtensionArguments(lineInformation, description.Name));
}
if (valueType.SupportsNullValues)
{
return((DocumentNode)parserContext.DocumentContext.CreateNode((ITypeId)valueType, (IDocumentNodeValue)null));
}
parserContext.ReportError(XamlParseErrors.TypeIsNotNullable(lineInformation, (ITypeId)valueType));
return((DocumentNode)null);
}
if (parserContext.PlatformMetadata.KnownTypes.TypeExtension.IsAssignableFrom((ITypeId)typeId1))
{
string extensionArgument = MarkupExtensionParser.GetRequiredMarkupExtensionArgument(parserContext, lineInformation, description, parserContext.PlatformMetadata.KnownProperties.TypeExtensionTypeName.Name);
if (extensionArgument != null)
{
IType typeId2 = XamlTypeHelper.GetTypeId(parserContext, lineInformation, xmlNamespaceResolver, extensionArgument, true);
if (typeId2 != null)
{
return((DocumentNode)parserContext.DocumentContext.CreateNode(parserContext.PlatformMetadata.KnownTypes.Type, (IDocumentNodeValue) new DocumentNodeMemberValue((IMember)typeId2)));
}
}
}
else if (parserContext.PlatformMetadata.KnownTypes.StaticExtension.IsAssignableFrom((ITypeId)typeId1))
{
string extensionArgument = MarkupExtensionParser.GetRequiredMarkupExtensionArgument(parserContext, lineInformation, description, parserContext.PlatformMetadata.KnownProperties.StaticExtensionMember.Name);
if (extensionArgument != null)
{
IType typeId2;
string memberName;
if (MarkupExtensionParser.GetTypeAndMemberName(parserContext, lineInformation, xmlNamespaceResolver, extensionArgument, (IType)null, out typeId2, out memberName))
{
MemberAccessTypes allowableMemberAccess = TypeHelper.GetAllowableMemberAccess(parserContext.TypeResolver, typeId2);
MemberType memberTypes = MemberType.LocalProperty | MemberType.Field;
if (parserContext.TypeResolver.IsCapabilitySet(PlatformCapability.IncompleteAttachedPropertiesInMarkupExtensions))
{
memberTypes |= MemberType.IncompleteAttachedProperty;
}
IMember memberId = (IMember)typeId2.GetMember(memberTypes, memberName, allowableMemberAccess) ?? XamlTypeHelper.AddMemberIfPossible(parserContext.PlatformMetadata, typeId2, MemberType.LocalProperty, memberName);
if (memberId != null)
{
return((DocumentNode)DocumentNodeHelper.NewStaticNode(parserContext.DocumentContext, memberId));
}
parserContext.ReportError(XamlParseErrors.UnrecognizedOrInaccessibleMember(lineInformation, memberName));
}
return((DocumentNode)null);
}
}
else
{
if (!parserContext.TypeResolver.PlatformMetadata.KnownTypes.Binding.Equals((object)typeId1) || description.PositionalArguments.Count != 1)
{
return(MarkupExtensionParser.ParseMarkupExtension(parserContext, lineInformation, nodeReference, xmlNamespaceResolver, typeId1, description));
}
description.NamedArguments.Insert(0, new KeyValuePair <string, string>(parserContext.TypeResolver.PlatformMetadata.KnownProperties.BindingPath.Name, description.PositionalArguments[0]));
description.PositionalArguments.Clear();
return(MarkupExtensionParser.ParseMarkupExtension(parserContext, lineInformation, nodeReference, xmlNamespaceResolver, typeId1, description));
}
}
}
return((DocumentNode)null);
}