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

        static internal string NormalizeConfigSource(string configSource, IConfigErrorInfo errorInfo) {
            if (String.IsNullOrEmpty(configSource)) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Config_source_invalid_format), errorInfo);
            }

            string trimmedConfigSource = configSource.Trim();
            if (trimmedConfigSource.Length != configSource.Length) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Config_source_invalid_format), errorInfo);
            }

            if (configSource.IndexOf('/') != -1) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Config_source_invalid_chars), errorInfo);
            }
            
            if (String.IsNullOrEmpty(configSource) || System.IO.Path.IsPathRooted(configSource)) {
                throw new ConfigurationErrorsException(SR.GetString(SR.Config_source_invalid_format), errorInfo);
            }

            return configSource;
        }