System.Xml.Schema.StringFacetsChecker.CheckBuiltInFacets C# (CSharp) Méthode

        private Exception CheckBuiltInFacets(string s, XmlTypeCode typeCode, bool verifyUri) {
            Exception exception = null;

            switch (typeCode) {

                case XmlTypeCode.AnyUri:
                    if (verifyUri) {
                        Uri uri;
                        exception = XmlConvert.TryToUri(s, out uri);
                    }
                    break;

                case XmlTypeCode.NormalizedString:
                    exception = XmlConvert.TryVerifyNormalizedString(s);
                    break;

                case XmlTypeCode.Token:
                    exception = XmlConvert.TryVerifyTOKEN(s);
                    break;

                case XmlTypeCode.Language:
                    if (s == null || s.Length == 0) {
                        return new XmlSchemaException(Res.Sch_EmptyAttributeValue, string.Empty);
                    }
                    if (!LanguagePattern.IsMatch(s)) {
                        return new XmlSchemaException(Res.Sch_InvalidLanguageId, string.Empty);
                    }
                    break;

                case XmlTypeCode.NmToken:
                    exception = XmlConvert.TryVerifyNMTOKEN(s);
                    break;

                case XmlTypeCode.Name:
                    exception = XmlConvert.TryVerifyName(s);
                    break;

                case XmlTypeCode.NCName:
                case XmlTypeCode.Id:
                case XmlTypeCode.Idref:
                case XmlTypeCode.Entity:
                    exception = XmlConvert.TryVerifyNCName(s);
                    break;
                default:
                    break;
            }
            return exception;
        }
    }