//******************************************************************************************************//  IniFile.cs - Gbtc////  Copyright © 2015, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may not use this//  file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  01/14/2012 - J. Ritchie Carroll//       Generated original version of source code.////****************************************************************************************************** using System;using System.Collections.Concurrent;using System.Collections.Generic;using System.IO; // ReSharper disable once CheckNamespacepublic class IniFile{    #region [ Members ]     // Fields    private readonly string m_fileName;    private readonly ConcurrentDictionary<string, ConcurrentDictionary<string, string>> m_iniData;     #endregion     #region [ Constructors ]     public IniFile(string fileName)    {        if ((object)fileName == null)            throw new ArgumentNullException("fileName");         m_fileName = fileName;        m_iniData = new ConcurrentDictionary<string, ConcurrentDictionary<string, string>>(StringComparer.CurrentCultureIgnoreCase);         Load();    }     #endregion     #region [ Properties ]     public string this[string sectionName, string entryName]    {        get        {            ConcurrentDictionary<string, string> section = m_iniData.GetOrAdd(sectionName, CreateNewSection);            return section.GetOrAdd(entryName, (string)null);        }        set        {            ConcurrentDictionary<string, string> section = m_iniData.GetOrAdd(sectionName, CreateNewSection);            section[entryName] = value;        }    }     public string this[string sectionName, string entryName, string defaultValue]    {        get        {            ConcurrentDictionary<string, string> section = m_iniData.GetOrAdd(sectionName, CreateNewSection);            return section.GetOrAdd(entryName, defaultValue);        }    }     #endregion     #region [ Methods ]     public void Load()    {        if (!File.Exists(m_fileName))            return;         using (StreamReader reader = new StreamReader(m_fileName))        {            string line = reader.ReadLine();            ConcurrentDictionary<string, string> section = null;             while ((object)line != null)            {                line = RemoveComments(line);                 if (line.Length > 0)                {                    // Check for new section				                    int startBracketIndex = line.IndexOf('[');                     if (startBracketIndex == 0)                    {                        int endBracketIndex = line.IndexOf(']');                         if (endBracketIndex > 1)                        {                            string sectionName = line.Substring(startBracketIndex + 1, endBracketIndex - 1);                             if (!string.IsNullOrEmpty(sectionName))                                section = m_iniData.GetOrAdd(sectionName, CreateNewSection);                        }                    }                     if ((object)section == null)                        throw new InvalidOperationException("INI file did not begin with a [section]");                     // Check for key/value pair                    int equalsIndex = line.IndexOf("=");                     if (equalsIndex > 0)                    {                        string key = line.Substring(0, equalsIndex).Trim();                         if (!string.IsNullOrEmpty(key))                            section[key] = line.Substring(equalsIndex + 1).Trim();                    }                }                 line = reader.ReadLine();            }        }    }     // Saving INI file will strip comments - sorry :-(    public void Save()    {        Save(m_fileName);    }     public void Save(string fileName)    {        if ((object)fileName == null)            throw new ArgumentNullException("fileName");         using (StreamWriter writer = new StreamWriter(fileName))        {            foreach (KeyValuePair<string, ConcurrentDictionary<string, string>> section in m_iniData)            {                writer.WriteLine("[{0}]", section.Key);                 foreach (KeyValuePair<string, string> entry in section.Value)                {                    writer.WriteLine("{0} = {1}", entry.Key, entry.Value);                }                 writer.WriteLine();            }        }    }     private ConcurrentDictionary<string, string> CreateNewSection(string sectionName)    {        return new ConcurrentDictionary<string, string>(StringComparer.InvariantCultureIgnoreCase);    }     #endregion     #region [ Static ]     // Static Methods     // Remove any comments from key value string    private static string RemoveComments(string keyValue)    {        // Remove any trailing comments from key value        keyValue = keyValue.Trim();         int commentIndex = keyValue.LastIndexOf(';');         if (commentIndex > -1)            keyValue = keyValue.Substring(0, commentIndex).Trim();         return keyValue;    }     #endregion}