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

        private ConfigXmlReader FindSectionRecursive(string [] keys, int iKey, XmlUtil xmlUtil, ref int lineNumber) {
            string name = keys[iKey];
            ConfigXmlReader section = null;

            int depth = xmlUtil.Reader.Depth;
            xmlUtil.ReadToNextElement();

            while (xmlUtil.Reader.Depth > depth) {
                if (xmlUtil.Reader.Name == name) {
                    if (iKey < keys.Length - 1) {
                        //
                        // We haven't reached the section yet, so keep evaluating
                        //
                        section = FindSectionRecursive(keys, iKey + 1, xmlUtil, ref lineNumber);
                        if (section != null) {
                            break;
                        }

                        continue; // don't call "Skip" -- FindSectionRecursive forwards the reader
                    }
                    else {
                        //
                        // We've reached the section. Load the section into a string.
                        //
                        string filename = ((IConfigErrorInfo)xmlUtil).Filename;
                        int lineOffset = xmlUtil.Reader.LineNumber;
                        string rawXml = xmlUtil.CopySection();
                        section = new ConfigXmlReader(rawXml, filename, lineOffset);
                        break;
                    }
                }
                else if (iKey == 0 && xmlUtil.Reader.Name == KEYWORD_LOCATION) {
                    string locationSubPath = xmlUtil.Reader.GetAttribute(KEYWORD_LOCATION_PATH);
                    bool isValid = false;
                    try {
                        locationSubPath = NormalizeLocationSubPath(locationSubPath, xmlUtil);
                        isValid = true;
                    }
                    catch (ConfigurationException ce) {
                        xmlUtil.SchemaErrors.AddError(ce, ExceptionAction.NonSpecific);
                    }

                    if (isValid && locationSubPath == null) {
                        //
                        // Location sections that don't have a subpath are treated
                        // as ordinary sections.
                        //
                        section = FindSectionRecursive(keys, iKey, xmlUtil, ref lineNumber);
                        if (section != null) {
                            break;
                        }

                        continue; // don't call "Skip" -- FindSectionRecursive forwards the reader
                    }
                }

                xmlUtil.SkipToNextElement();
            }

            return section;
        }