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/* ----------------------------------------------------------
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* 文件名称：LINQToINI.cs
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*
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* 作者：秦建辉
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*
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* 微信：splashcn
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*
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* 博客：http://www.firstsolver.com/wordpress/
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*
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* 开发环境：
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* Visual Studio V2015
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* .NET Framework 4 Client Profile
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*
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* 版本历史：
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* V1.2 2016年07月30日
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* 更新GetProfileSection方法输出
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*
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* V1.1 2012年11月14日
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* 存储文件时，如果目录不存在，则自动创建目录而不是返回失败
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*
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* V1.0 2011年06月30日
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* 基于LINQ实现对ini文件的读写
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------------------------------------------------------------ */
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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namespace JwKdsV.Core.HWiNFO
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{
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/// <summary>
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/// 基于LINQ实现对ini文件的读写
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/// </summary>
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internal class LINQToINI
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{
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/// <summary>
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/// ini文件内容结点结构
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/// </summary>
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private struct ININode
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{
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/// <summary>
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/// 分区名
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/// </summary>
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public string section;
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/// <summary>
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/// 键名
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/// </summary>
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public string keyName;
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/// <summary>
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/// 键值
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/// </summary>
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public string keyValue;
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}
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/// <summary>
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/// ini文件内容结点列表
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/// </summary>
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private List<ININode> INIElement = null;
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/// <summary>
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/// 读取ini文件并序列化，以供LINQ查询
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/// </summary>
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/// <param name="iniFile">ini文件名</param>
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/// <param name="isQueryOnly">是否只做查询操作。缺省为true</param>
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/// <param name="fileEncoding">文件编码，缺省为null，使用Unicode编码</param>
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/// <returns>
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/// true：成功
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/// false：失败
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/// </returns>
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/// <remarks>
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/// 如果只做查询操作，则序列化时去掉空行结点和注释行结点
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/// </remarks>
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public bool Load(string iniFile, bool isQueryOnly = true, Encoding fileEncoding = null)
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{
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if (fileEncoding == null)
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{ // 默认使用Unicode编码
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fileEncoding = Encoding.Unicode;
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}
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try
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{ // 自动检测文件编码
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using (StreamReader sr = new StreamReader(iniFile, fileEncoding, true))
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{
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if (INIElement == null)
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{
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INIElement = new List<ININode>();
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}
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else
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{
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INIElement.Clear();
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}
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string Section = null;
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while (true)
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{
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string Source = sr.ReadLine();
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if (Source == null) break;
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Source = Source.Trim();
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if (Source == string.Empty)
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{ // 空行
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if (!isQueryOnly)
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{
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INIElement.Add(new ININode { section = "\u000A", keyName = null, keyValue = null });
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}
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}
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else if (Source[0] == '#' || Source[0] == ';')
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{ // 注释行
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if (!isQueryOnly)
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{
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INIElement.Add(new ININode { section = "\u000B", keyName = null, keyValue = Source });
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}
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}
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else if (Source[0] == '[')
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{ // 分区名
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int RightSquareBracketIndex = Source.IndexOf(']');
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if (RightSquareBracketIndex != -1)
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{
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Section = Source.Substring(1, RightSquareBracketIndex - 1).Trim();
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if (Section != string.Empty)
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{
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INIElement.Add(new ININode { section = Section, keyName = string.Empty, keyValue = null });
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}
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}
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}
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else
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{ // 键名键值对
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if (!string.IsNullOrEmpty(Section))
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{
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int EqualsSignIndex = Source.IndexOf('=');
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if (EqualsSignIndex != -1)
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{ // 提取键名
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string KeyName = Source.Substring(0, EqualsSignIndex).Trim();
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if (KeyName != string.Empty)
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{ // 提取键值
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string KeyValue = Source.Substring(EqualsSignIndex + 1).Trim();
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if (KeyValue.Length >= 2)
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{ // 判断是否有双引号
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if (KeyValue[0] == '\u0022' && KeyValue[KeyValue.Length - 1] == '\u0022')
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{
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KeyValue = KeyValue.Substring(1, KeyValue.Length - 2);
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}
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}
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INIElement.Add(new ININode { section = Section, keyName = KeyName, keyValue = KeyValue });
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}
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}
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}
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}
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}
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return true;
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}
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}
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catch (System.Exception)
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{
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return false;
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}
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}
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/// <summary>
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/// 存储ini文件
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/// </summary>
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/// <param name="iniFile">要存储的文件名</param>
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/// <param name="fileEncoding">文件编码。缺省为null，使用Unicode编码</param>
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/// <returns>
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/// true：成功
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/// false：失败
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/// </returns>
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/// <remarks>注意：只有调用此函数，才能保存最终数据</remarks>
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public bool Save(string iniFile, Encoding fileEncoding = null)
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{
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if (INIElement == null)
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{ // 抛出异常：无效的数据源
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throw new ApplicationException("Invalid Data Source!");
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}
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if (fileEncoding == null)
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{ // 默认使用Unicode编码
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fileEncoding = Encoding.Unicode;
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}
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try
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{
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// 获取指定字符串的目录信息
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string ToFolder = Path.GetDirectoryName(iniFile); // 注意相对路径
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if (!string.IsNullOrEmpty(ToFolder) && !Directory.Exists(ToFolder))
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{ // 目录不存在，创建目录
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Directory.CreateDirectory(ToFolder);
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}
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// 写入文件
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using (StreamWriter sw = new StreamWriter(iniFile, false, fileEncoding))
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{
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foreach (ININode node in INIElement)
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{
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if (node.keyName == null)
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{
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if (node.section == "\u000A")
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{ // 空行
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sw.WriteLine();
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}
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else if (node.section == "\u000B")
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{ // 注释行
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sw.WriteLine(node.keyValue);
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}
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}
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else
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{
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if (node.keyName == string.Empty)
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{ // 分区
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sw.WriteLine("[" + node.section + "]");
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}
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else
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{ // 键名键值对
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if (node.keyValue.IndexOf(' ') == -1)
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{ // 键值中没有空格
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sw.WriteLine(node.keyName + "=" + node.keyValue);
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}
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else
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{ // 键值中包含空格，需在键值两端加上引号
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sw.WriteLine(node.keyName + "=\u0022" + node.keyValue + "\u0022");
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}
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}
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}
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}
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return true;
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}
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}
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catch (System.Exception)
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{
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return false;
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}
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}
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/// <summary>
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/// 提取键名对应的键值
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/// </summary>
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/// <param name="section">分区名。如果为null，则提取所有的分区名</param>
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/// <param name="keyName">键名。如果为null，则提取分区所有的键名键值对</param>
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/// <param name="defaultString">缺省键值</param>
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/// <returns>键值</returns>
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public string[] GetProfileString(string section, string keyName, string defaultString = null)
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{
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if (INIElement == null)
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{ // 抛出异常：无效的数据源
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throw new ApplicationException("Invalid Data Source!");
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}
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if (section == null)
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{ // 获取所有的分区名
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return (from node in INIElement where (node.keyName == string.Empty) select node.section).ToArray();
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}
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else if (keyName == null)
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{ // 获取指定分区所有的键名及键值
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return (from node in INIElement where (string.Compare(node.section, section, true) == 0 && !string.IsNullOrEmpty(node.keyName)) select (node.keyName + "=" + node.keyValue)).ToArray();
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}
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else
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{ // 获取键值
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var ValueQuery = (from node in INIElement where (string.Compare(node.section, section, true) == 0 && string.Compare(node.keyName, keyName, true) == 0) select node.keyValue).ToArray();
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if (ValueQuery.Length == 0)
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{
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return new string[] { defaultString };
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}
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else
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{
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return ValueQuery;
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}
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}
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}
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/// <summary>
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/// 提取键名对应的键值（整数值）
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/// </summary>
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/// <param name="section">分区名</param>
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/// <param name="keyName">键名</param>
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/// <param name="defaultValue">缺省键值，默认为0</param>
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/// <returns>键值（整数值）</returns>
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public int GetProfileInt(string section, string keyName, int defaultValue = 0)
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{
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if (INIElement == null)
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{ // 抛出异常：无效的数据源
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throw new ApplicationException("Invalid Data Source!");
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}
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if (string.IsNullOrEmpty(section) || string.IsNullOrEmpty(keyName))
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{
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return defaultValue;
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}
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// 获取键值
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var ValueQuery = (from node in INIElement where (string.Compare(node.section, section, true) == 0 && string.Compare(node.keyName, keyName, true) == 0) select node.keyValue).ToArray();
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if (ValueQuery.Length == 0)
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{
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return defaultValue;
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}
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else
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{
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if (ValueQuery[0] == string.Empty)
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{
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return defaultValue;
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}
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else
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{ // 将字符串转换为整数值（注意：可能会抛出异常）
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return Convert.ToInt32(ValueQuery[0]);
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}
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}
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}
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/// <summary>
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/// 获取分区所有的键名键值对
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/// </summary>
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/// <param name="section">分区名</param>
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/// <returns>键名键值对数组</returns>
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public KeyValuePair<string, string>[] GetProfileSection(string section)
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{
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if (INIElement == null)
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{ // 抛出异常：无效的数据源
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throw new ApplicationException("Invalid Data Source!");
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}
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if (string.IsNullOrEmpty(section))
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{
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return null;
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}
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else
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{ // 获取指定分区所有的键名及键值
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return (from node in INIElement where (string.Compare(node.section, section, true) == 0 && !string.IsNullOrEmpty(node.keyName)) select (new KeyValuePair<string, string>(node.keyName, node.keyValue))).ToArray();
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}
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}
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/// <summary>
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/// 获取所有的分区名
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/// </summary>
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/// <returns>分区名数组</returns>
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public string[] GetProfileSectionNames()
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{
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if (INIElement == null)
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{ // 抛出异常：无效的数据源
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throw new ApplicationException("Invalid Data Source!");
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}
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// 获取所有的分区名
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return (from node in INIElement where (string.Compare(node.keyName, string.Empty, true) == 0) select node.section).ToArray();
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}
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/// <summary>
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/// 增加或更新分区名、键名或者键值
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/// </summary>
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/// <param name="section">分区名</param>
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/// <param name="keyName">键名。如果为null或者空串，则删除整个分区</param>
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/// <param name="keyValue">键值。如果为null，则删除该键</param>
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/// <returns>
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/// true：成功
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/// false：失败
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/// </returns>
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public bool WriteProfileString(string section, string keyName, string keyValue)
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{
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if (string.IsNullOrEmpty(section))
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{
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return false;
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}
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if (INIElement == null)
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{ // 初始化ini结点列表
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INIElement = new List<ININode>();
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}
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if (string.IsNullOrEmpty(keyName))
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{ // 删除整个分区（关键：要从后往前删）
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for (int i = INIElement.Count - 1; i >= 0; i--)
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{
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if (string.Compare(INIElement[i].section, section, true) == 0 && INIElement[i].keyName != null)
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{
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INIElement.RemoveAt(i);
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}
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}
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}
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else
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{ // 更新键值
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int InsertIndex = -1;
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for (int i = INIElement.Count - 1; i >= 0; i--)
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{
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if (string.Compare(INIElement[i].section, section, true) == 0)
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{
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if (string.Compare(INIElement[i].keyName, keyName, true) == 0)
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{ // 删除该键
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INIElement.RemoveAt(i);
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if (keyValue != null)
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{ // 更新该键
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if (keyValue.Length >= 2)
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{ // 判断是否有双引号
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if (keyValue[0] == '\u0022' && keyValue[keyValue.Length - 1] == '\u0022')
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{
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keyValue = keyValue.Substring(1, keyValue.Length - 2);
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}
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}
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// 插入更新后的键名键值对
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INIElement.Insert(i, new ININode { section = section, keyName = keyName, keyValue = keyValue });
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}
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// 直接返回
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return true;
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}
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if (InsertIndex == -1)
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{ // 将分区末尾做为插入点
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InsertIndex = i + 1;
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}
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}
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}
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if (InsertIndex == -1)
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{ // 分区不存在，首先增加新的分区名
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INIElement.Add(new ININode { section = section, keyName = string.Empty, keyValue = null });
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// 再增加新的键名键值对
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INIElement.Add(new ININode { section = section, keyName = keyName, keyValue = keyValue });
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}
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else
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{ // 分区存在，在分区末尾增加新的键名键值对
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INIElement.Insert(InsertIndex, new ININode { section = section, keyName = keyName, keyValue = keyValue });
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}
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}
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return true;
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}
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/// <summary>
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/// 替换分区的键名键值对
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/// </summary>
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/// <param name="section">分区名</param>
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/// <param name="keyValueSet">要替换的键名键值对。如果为null，则删除整个分区</param>
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/// <returns>
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/// true：成功
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/// false：失败
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/// </returns>
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public bool WriteProfileSection(string section, string[] keyValueSet)
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{
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if (string.IsNullOrEmpty(section))
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{
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return false;
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}
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if (INIElement == null)
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{ // 初始化ini结点列表
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INIElement = new List<ININode>();
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}
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// 删除整个分区
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int InsertIndex = INIElement.Count;
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for (int i = INIElement.Count - 1; i >= 0; i--)
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{
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if (string.Compare(INIElement[i].section, section, true) == 0 && INIElement[i].keyName != null)
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{
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INIElement.RemoveAt(i);
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InsertIndex = i;
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}
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}
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if (keyValueSet != null)
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{ // 写入分区名
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INIElement.Insert(InsertIndex++, new ININode { section = section, keyName = string.Empty, keyValue = null });
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// 写入键名键值对
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foreach (string s in keyValueSet)
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{
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int EqualsSignIndex = s.IndexOf('=');
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if (EqualsSignIndex != -1)
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{
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string KeyName = s.Substring(0, EqualsSignIndex).Trim();
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if (KeyName != string.Empty)
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{
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string KeyValue = s.Substring(EqualsSignIndex + 1).Trim();
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if (KeyValue.Length >= 2)
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{ // 判断是否有双引号
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if (KeyValue[0] == '\u0022' && KeyValue[KeyValue.Length - 1] == '\u0022')
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{
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KeyValue = KeyValue.Substring(1, KeyValue.Length - 2);
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}
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}
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INIElement.Insert(InsertIndex++, new ININode { section = section, keyName = KeyName, keyValue = KeyValue });
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}
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}
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}
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}
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return true;
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}
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/// <summary>
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/// 将结构数据写入键值
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/// </summary>
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/// <param name="section">分区名</param>
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/// <param name="keyName">键名</param>
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/// <param name="data">数据</param>
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/// <returns>
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/// true：成功
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/// false：失败
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/// </returns>
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public bool WriteProfileStruct(string section, string keyName, byte[] data)
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{
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if (string.IsNullOrEmpty(section) || string.IsNullOrEmpty(keyName))
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{
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return false;
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}
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if (data == null)
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{
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return WriteProfileString(section, keyName, null);
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}
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// 将字节数组转换成16进制字符串
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StringBuilder sb = new StringBuilder((data.Length + 1) << 1);
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int CheckSum = 0;
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foreach (byte b in data)
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{
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CheckSum += b;
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sb.Append(b.ToString("X2"));
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}
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// 写入校验和
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sb.Append(((byte)CheckSum).ToString("X2"));
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return WriteProfileString(section, keyName, sb.ToString());
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}
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/// <summary>
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/// 提取键值，并转化为字节数组
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/// </summary>
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/// <param name="section">分区名</param>
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/// <param name="keyName">键名</param>
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/// <returns>键值对应的字节数组</returns>
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public byte[] GetProfileStruct(string section, string keyName)
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{
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if (INIElement == null)
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{ // 抛出异常：无效的数据源
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throw new ApplicationException("Invalid Data Source!");
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}
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if (string.IsNullOrEmpty(section) || string.IsNullOrEmpty(keyName))
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{
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return null;
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}
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// 获取键值
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var ValueQuery = (from node in INIElement where (string.Compare(node.section, section, true) == 0 && string.Compare(node.keyName, keyName, true) == 0) select node.keyValue).ToArray();
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if (ValueQuery.Length != 1)
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{
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return null;
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}
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// 将16进制字符串转换成字节数组
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string s = ValueQuery[0];
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if (string.IsNullOrEmpty(s) || (s.Length % 2 != 0))
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{
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return null;
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}
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try
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{
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int Num = s.Length / 2 - 1;
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byte[] ValueArray = new byte[Num];
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int CheckSum = 0;
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for (int i = 0; i < Num; i++)
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{
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CheckSum += ValueArray[i] = Convert.ToByte(s.Substring(i << 1, 2), 16);
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}
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// 检测校验和
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if (Convert.ToByte(s.Substring(Num << 1, 2), 16) == CheckSum)
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{
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return ValueArray;
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}
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else
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{ // 校验失败
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return null;
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}
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}
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catch (System.Exception)
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{ // 无效字符串
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return null;
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}
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}
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}
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}
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