System.Xml.Serialization.SoapReflectionImporter.ImportAccessorMapping C# (CSharp) Method

        void ImportAccessorMapping(MemberMapping accessor, FieldModel model, SoapAttributes a, string ns, XmlSchemaForm form) {
            Type accessorType = model.FieldType;
            string accessorName = model.Name;
            accessor.TypeDesc = typeScope.GetTypeDesc(accessorType);
            if (accessor.TypeDesc.IsVoid) {
                throw new InvalidOperationException(Res.GetString(Res.XmlInvalidVoid));
            }

            SoapAttributeFlags flags = a.SoapFlags;
            if ((flags & SoapAttributeFlags.Attribute) == SoapAttributeFlags.Attribute) {
                if (!accessor.TypeDesc.IsPrimitive && !accessor.TypeDesc.IsEnum)
                    throw new InvalidOperationException(Res.GetString(Res.XmlIllegalSoapAttribute, accessorName, accessor.TypeDesc.FullName));

                if ((flags & SoapAttributeFlags.Attribute) != flags)
                    throw new InvalidOperationException(Res.GetString(Res.XmlInvalidElementAttribute));
                
                AttributeAccessor attribute = new AttributeAccessor();
                attribute.Name = Accessor.EscapeQName(a.SoapAttribute == null || a.SoapAttribute.AttributeName.Length == 0 ? accessorName : a.SoapAttribute.AttributeName);
                attribute.Namespace = a.SoapAttribute == null || a.SoapAttribute.Namespace == null ? ns : a.SoapAttribute.Namespace;
                attribute.Form = XmlSchemaForm.Qualified; // attributes are always qualified since they're only used for encoded soap headers
                attribute.Mapping = ImportTypeMapping(modelScope.GetTypeModel(accessorType), (a.SoapAttribute == null ? String.Empty : a.SoapAttribute.DataType));
                attribute.Default = GetDefaultValue(model.FieldTypeDesc, a);
                accessor.Attribute = attribute;
                accessor.Elements = new ElementAccessor[0];
            }
            else {
                if ((flags & SoapAttributeFlags.Element) != flags)
                    throw new InvalidOperationException(Res.GetString(Res.XmlInvalidElementAttribute));

                ElementAccessor element = new ElementAccessor();
                element.IsSoap = true;
                element.Name = XmlConvert.EncodeLocalName(a.SoapElement == null || a.SoapElement.ElementName.Length == 0 ? accessorName : a.SoapElement.ElementName);
                element.Namespace = ns;
                element.Form = form;
                element.Mapping = ImportTypeMapping(modelScope.GetTypeModel(accessorType), (a.SoapElement == null ? String.Empty : a.SoapElement.DataType));
                if (a.SoapElement != null)
                    element.IsNullable = a.SoapElement.IsNullable;
                accessor.Elements = new ElementAccessor[] { element };
            }
        }