System.Xml.Serialization.XmlReflectionImporter.ImportPrimitiveMapping C# (CSharp) Method

        private PrimitiveMapping ImportPrimitiveMapping(PrimitiveModel model, ImportContext context, string dataType, bool repeats)
        {
            PrimitiveMapping mapping = new PrimitiveMapping();
            if (dataType.Length > 0)
            {
                mapping.TypeDesc = _typeScope.GetTypeDesc(dataType, XmlSchema.Namespace);
                if (mapping.TypeDesc == null)
                {
                    // try it as a non-Xsd type
                    mapping.TypeDesc = _typeScope.GetTypeDesc(dataType, UrtTypes.Namespace);
                    if (mapping.TypeDesc == null)
                    {
                        throw new InvalidOperationException(SR.Format(SR.XmlUdeclaredXsdType, dataType));
                    }
                }
            }
            else
            {
                mapping.TypeDesc = model.TypeDesc;
            }
            mapping.TypeName = mapping.TypeDesc.DataType.Name;
            mapping.Namespace = mapping.TypeDesc.IsXsdType ? XmlSchema.Namespace : UrtTypes.Namespace;
            mapping.IsList = repeats;
            CheckContext(mapping.TypeDesc, context);
            return mapping;
        }