System.Xml.Schema.XmlSchemaDatatype.XdrCanonizeUri C# (CSharp) Method

        internal static string XdrCanonizeUri(string uri, XmlNameTable nameTable, SchemaNames schemaNames) {
            string canonicalUri;
            int offset = 5;
            bool convert = false;

            if (uri.Length > 5 && uri.StartsWith("uuid:", StringComparison.Ordinal)) {
                convert = true;
            }
            else if (uri.Length > 9 && uri.StartsWith("urn:uuid:", StringComparison.Ordinal)) {
                convert = true;
                offset = 9;
            }

            if (convert) {
                canonicalUri = nameTable.Add(uri.Substring(0, offset) + uri.Substring(offset, uri.Length - offset).ToUpper(CultureInfo.InvariantCulture));
            }
            else {
                canonicalUri = uri;
            }

            if (
                Ref.Equal(schemaNames.NsDataTypeAlias, canonicalUri) ||
                Ref.Equal(schemaNames.NsDataTypeOld  , canonicalUri)
            ) {
                canonicalUri = schemaNames.NsDataType;
            }
            else if (Ref.Equal(schemaNames.NsXdrAlias, canonicalUri)) {
                canonicalUri = schemaNames.NsXdr;
            }

            return canonicalUri;
        }

 private XmlQualifiedName QualifiedName(string name, string ns)
 {
     return(new XmlQualifiedName(name, XmlSchemaDatatype.XdrCanonizeUri(ns, base.NameTable, base.SchemaNames)));
 }