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A single class to read and write INI files.
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using System; | |
using System.Collections.Generic; | |
using System.Linq; | |
internal class Ini | |
{ | |
private readonly Dictionary<string, Dictionary<string, string>> _ini = new Dictionary<string, Dictionary<string, string>>(StringComparer.InvariantCultureIgnoreCase); | |
private string CurrentSection { get; set; } = ""; | |
public Ini(string iniContents) | |
{ | |
var currentSection = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase); | |
_ini[""] = currentSection; | |
foreach (var line in iniContents.Split(new[] { "\n" }, StringSplitOptions.RemoveEmptyEntries) | |
.Where(t => !string.IsNullOrWhiteSpace(t)) | |
.Select(t => t.Trim())) | |
{ | |
if (line.StartsWith(";") || line.StartsWith("#")) | |
continue; | |
if (line.StartsWith("[") && line.EndsWith("]")) | |
{ | |
currentSection = new Dictionary<string, string>(StringComparer.InvariantCultureIgnoreCase); | |
_ini[line.Substring(1, line.LastIndexOf("]", StringComparison.Ordinal) - 1)] = currentSection; | |
continue; | |
} | |
var idx = line.IndexOf("=", StringComparison.Ordinal); | |
if (idx == -1) | |
currentSection[line] = ""; | |
else | |
{ | |
var key = line.Substring(0, idx); | |
key = key.TrimEnd(' '); | |
var val = line.Substring(idx + 1); | |
val = val.TrimStart(' '); | |
currentSection[key] = line.Substring(idx + 1); | |
} | |
} | |
} | |
public string GetValue(string key) | |
{ | |
return GetValue(key, CurrentSection, ""); | |
} | |
public string GetValue(string key, string section, string @default = "") | |
{ | |
if (!_ini.ContainsKey(section)) | |
return @default; | |
return !_ini[section].ContainsKey(key) ? @default : _ini[section][key]; | |
} | |
public string[] GetKeys(string section) => !_ini.ContainsKey(section) ? new string[0] : _ini[section].Keys.ToArray(); | |
public Ini Section(string section) | |
{ | |
CurrentSection = section; | |
return this; | |
} | |
public bool Exists(string section) => Sections.Contains(section); | |
public bool Exists(string section, string key) => _ini?[section].Keys.Contains(key) ?? false; | |
public string[] Sections => _ini.Keys.Where(t => t != "").ToArray(); | |
public string[] Keys => _ini?[CurrentSection].Keys.ToArray(); | |
} |
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