BEGroup.Utility.IniFile.IniFile C# (CSharp) Method

        public IniFile(string path)
        {
            _content = new Dictionary<string, Dictionary<string, string>>();
            _path = path;

            // Create
            if (!File.Exists(path))
            {
                File.CreateText(path).Close();
                return;
            }

            // Open
            bool sectionFound = false;
            Dictionary<string, string> currentSection = null;
            string data = null;
            using (StreamReader sr = new StreamReader(path))
            {
                data = sr.ReadToEnd();
            }
            if (string.IsNullOrEmpty(data)) return;
            string[] lines = data.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
            if (lines == null || lines.Length == 0) return;

            foreach (string l in lines)
            {
                string line = l.Trim();

                // Ignore empty line
                if (line == string.Empty) continue;

                // Ignore remark line
                bool isRemarkLine = false;
                foreach (string remarkMarker in COMMENT_MARKERS)
                {
                    if (line.StartsWith(remarkMarker))
                    {
                        isRemarkLine = true;
                        break;
                    }
                }
                if (isRemarkLine) continue;

                // Try matching section or key/value pair
                Match matchSection = Regex_Section.Match(line);
                Match matchKeyValue = Regex_KeyValue.Match(line);
                if (!sectionFound && matchKeyValue.Success)
                {
                    throw new InvalidDataException("A key/value pair must occur after a section marker.");
                }
                if (matchSection.Success)
                {
                    sectionFound = true;
                    string section = matchSection.Groups[1].Value;
                    if (_content.ContainsKey(section))
                    {
                        currentSection = _content[section];
                    }
                    else
                    {
                        currentSection = new Dictionary<string, string>();
                        _content.Add(section, currentSection);
                    }
                }
                else if (matchKeyValue.Success)
                {
                    string key = matchKeyValue.Groups[1].Value;
                    string value = matchKeyValue.Groups[2].Value;
                    if (currentSection.ContainsKey(key))
                    {
                        currentSection[key] = value;
                    }
                    else
                    {
                        currentSection.Add(key, value);
                    }
                }
            }
        }