using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace HMI.Util
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{
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public class IniFileHelper
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{
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private static String filePath = "./default.ini";
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static List<string> sections = new List<string>();
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static List<string> keys = new List<string>();
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#region API函数声明
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[DllImport("kernel32")]
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private static extern long WritePrivateProfileString(string section, string key,
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string val, string filePath);
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//需要调用GetPrivateProfileString的重载
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[DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
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private static extern long GetPrivateProfileString(string section, string key,
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string def, StringBuilder retVal, int size, string filePath);
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[DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
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private static extern uint GetPrivateProfileStringA(string section, string key,
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string def, Byte[] retVal, int size, string filePath);
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[DllImport("kernel32")]
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private static extern int GetPrivateProfileSection(string section, byte[] retVal, int size, string filePath);
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#endregion
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public static List<string> ReadSections()
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{
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return ReadSections(filePath);
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}
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public static List<string> ReadSections(string iniFilename)
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{
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List<string> result = new List<string>();
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Byte[] buf = new Byte[65536];
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uint len = GetPrivateProfileStringA(null, null, null, buf, buf.Length, iniFilename);
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int j = 0;
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for (int i = 0; i < len; i++)
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if (buf[i] == 0)
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{
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result.Add(Encoding.Default.GetString(buf, j, i - j));
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j = i + 1;
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}
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return result;
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}
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public static List<string> ReadKeys(String SectionName)
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{
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return ReadKeys(SectionName, filePath);
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}
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public static List<string> ReadKeys(string SectionName, string iniFilename)
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{
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List<string> result = new List<string>();
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Byte[] buf = new Byte[65536];
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uint len = GetPrivateProfileStringA(SectionName, null, null, buf, buf.Length, iniFilename);
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int j = 0;
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for (int i = 0; i < len; i++)
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if (buf[i] == 0)
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{
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result.Add(Encoding.Default.GetString(buf, j, i - j));
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j = i + 1;
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}
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return result;
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}
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public static void SetFilePath(String filepath)
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{
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filePath = filepath;
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}
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#region 读Ini文件
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public static string ReadIniData(string Section, string Key, string NoText)
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{
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return ReadIniData(Section, Key, NoText, filePath);
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}
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public static string ReadIniData(string Section, string Key, string NoText, string iniFilePath)
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{
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if (File.Exists(iniFilePath))
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{
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StringBuilder temp = new StringBuilder(1024);
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GetPrivateProfileString(Section, Key, NoText, temp, 1024, iniFilePath);
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return temp.ToString();
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}
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else
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return NoText;
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}
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#endregion
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#region 写Ini文件
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public static bool WriteIniData(string Section, string Key, string Value, string iniFilePath)
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{
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if (File.Exists(iniFilePath) == false)
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{
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FileStream FS = new FileStream(iniFilePath, FileMode.CreateNew);
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}
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long OpStation = WritePrivateProfileString(Section, Key, Value, iniFilePath);
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if (OpStation == 0)
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return false;
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else
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return true;
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}
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#endregion
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public static Dictionary<string, string> GetKeyValuesBySection(string iniFile, string section)
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{
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int size = 65536;
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byte[] buffer = new byte[size];
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Dictionary<string, string> result = new Dictionary<string, string>();
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int bytesRead = GetPrivateProfileSection(section, buffer, size, iniFile);
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if (bytesRead > 0)
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{
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string sectionData = Encoding.Default.GetString(buffer, 0, bytesRead - 1);
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string[] keyValuePairs = sectionData.Split('\0');
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foreach (string pair in keyValuePairs)
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{
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if (!string.IsNullOrEmpty(pair))
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{
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int equalSignIndex = pair.IndexOf('=');
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if (equalSignIndex > 0)
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{
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string key = pair.Substring(0, equalSignIndex).Trim();
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string value = pair.Substring(equalSignIndex + 1).Trim();
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result[key] = value;
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}
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}
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}
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}
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return result;
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}
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}
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}
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