System.Configuration.BaseConfigurationRecord.ScanFactories C# (CSharp) Метод

        private Hashtable ScanFactories(XmlUtil xmlUtil) {
            Hashtable factoryList;

            factoryList = new Hashtable();
            
            if (xmlUtil.Reader.NodeType != XmlNodeType.Element || xmlUtil.Reader.Name != KEYWORD_CONFIGURATION) {
                string safeFilename = ConfigurationErrorsException.AlwaysSafeFilename(((IConfigErrorInfo)xmlUtil).Filename);

                throw new ConfigurationErrorsException(
                        SR.GetString(SR.Config_file_doesnt_have_root_configuration, safeFilename), 
                        xmlUtil);
            }

            // Ignore xmlns attribute
            while (xmlUtil.Reader.MoveToNextAttribute()) {
                switch (xmlUtil.Reader.Name) {
                case KEYWORD_XMLNS:
                    if (xmlUtil.Reader.Value == KEYWORD_CONFIGURATION_NAMESPACE) {
                        _flags[NamespacePresentInFile] = true;
                        _flags[NamespacePresentCurrent] = true;
                    } else {
                        ConfigurationErrorsException ce;

                        ce = new ConfigurationErrorsException(
                                SR.GetString(SR.Config_namespace_invalid, xmlUtil.Reader.Value, KEYWORD_CONFIGURATION_NAMESPACE),
                                xmlUtil);
                        
                        xmlUtil.SchemaErrors.AddError(ce, ExceptionAction.Global);
                    }
                    
                    break;

                default:
                    xmlUtil.AddErrorUnrecognizedAttribute(ExceptionAction.NonSpecific);
                    break;
                }
            }

            // move to first child of <configuration>
            xmlUtil.StrictReadToNextElement(ExceptionAction.NonSpecific);
            if (xmlUtil.Reader.Depth == 1 && xmlUtil.Reader.Name == KEYWORD_CONFIGSECTIONS) {
                xmlUtil.VerifyNoUnrecognizedAttributes(ExceptionAction.NonSpecific);
                ScanFactoriesRecursive(xmlUtil, string.Empty, factoryList);
            }

            return factoryList;
        }