System.Xml.Xsl.XmlQueryTypeFactory.Type C# (CSharp) Method

        public static XmlQueryType Type(XmlSchemaSimpleType schemaType, bool isStrict) {
            if (schemaType.Datatype.Variety == XmlSchemaDatatypeVariety.Atomic) {
                if (schemaType == DatatypeImplementation.AnySimpleType)
                    return AnyAtomicTypeS;

                return ItemType.Create(schemaType, isStrict);
            }

            // Skip restrictions. It is safe to do that because this is a list or union, so it's not a build in type
            while (schemaType.DerivedBy == XmlSchemaDerivationMethod.Restriction)
                schemaType = (XmlSchemaSimpleType) schemaType.BaseXmlSchemaType;

            // Convert Xsd list
            if (schemaType.DerivedBy == XmlSchemaDerivationMethod.List)
                return PrimeProduct(Type(((XmlSchemaSimpleTypeList) schemaType.Content).BaseItemType, isStrict), XmlQueryCardinality.ZeroOrMore);

            // Convert Xsd union
            Debug.Assert(schemaType.DerivedBy == XmlSchemaDerivationMethod.Union);
            XmlSchemaSimpleType[] baseMemberTypes = ((XmlSchemaSimpleTypeUnion) schemaType.Content).BaseMemberTypes;
            XmlQueryType[] queryMemberTypes = new XmlQueryType[baseMemberTypes.Length];

            for (int i = 0; i < baseMemberTypes.Length; i++)
                queryMemberTypes[i] = Type(baseMemberTypes[i], isStrict);

            return Choice(queryMemberTypes);
        }