System.Xml.Xsl.Qil.QilXmlReader.ParseType C# (CSharp) Method

        private XmlQueryType ParseType(string s)
        {
            if (s != null && s.Length > 0)
            {
                Match m = s_typeInfoRegex.Match(s);
                Debug.Assert(m.Success && m.Groups.Count == 4, "Malformed Type info");

                XmlQueryCardinality qc = new XmlQueryCardinality(m.Groups[1].Value);
                bool strict = bool.Parse(m.Groups[3].Value);

                string[] codes = m.Groups[2].Value.Split('|');
                XmlQueryType[] types = new XmlQueryType[codes.Length];

                for (int i = 0; i < codes.Length; i++)
                    types[i] = XmlQueryTypeFactory.Type((XmlTypeCode)Enum.Parse(typeof(XmlTypeCode), codes[i]), strict);

                return XmlQueryTypeFactory.Product(XmlQueryTypeFactory.Choice(types), qc);
            }
            return null;
        }