Sicherung

Config.Net/Stores/Formats/Ini/IniKeyValue.cs

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+using System;
+
+namespace Config.Net.Stores.Formats.Ini
+{
+   internal class IniKeyValue : IniEntity
+   {
+      public const string KeyValueSeparator = "=";
+
+      public IniKeyValue(string key, string value, string? comment)
+      {
+         if(key == null) throw new ArgumentNullException(nameof(key));
+         Key = key;
+         Value = value;
+         Comment = comment == null ? null : new IniComment(comment);
+      }
+
+      public string Key { get; }
+
+      public string Value { get; set; }
+
+      public string EscapedKey
+      {
+         get { return Key.Replace("\r", @"\r").Replace("\n", @"\n"); }
+      }
+
+      public string EscapedValue
+      {
+         get { return Value.Replace("\r", @"\r").Replace("\n", @"\n"); }
+      }
+
+      public IniComment? Comment { get; }
+
+      public static IniKeyValue? FromLine(string line, bool parseInlineComments, bool unescapeNewLines = false)
+      {
+         int idx = line.IndexOf(KeyValueSeparator, StringComparison.CurrentCulture);
+         if(idx == -1) return null;
+
+         string key = line.Substring(0, idx).Trim();
+         string value = line.Substring(idx + 1).Trim();
+         string? comment = null;
+
+         if (parseInlineComments)
+         {
+            idx = value.LastIndexOf(IniComment.CommentSeparator, StringComparison.CurrentCulture);
+            if (idx != -1)
+            {
+               comment = value.Substring(idx + 1).Trim();
+               value = value.Substring(0, idx).Trim();
+            }
+         }
+
+         if(unescapeNewLines)
+         {
+            key = UnescapeString(key);
+            value = UnescapeString(value);
+            comment = (comment != null) ? UnescapeString(comment) : null;
+         }
+
+         return new IniKeyValue(key, value, comment);
+      }
+
+      private static string UnescapeString(string key)
+      {
+         return key.Replace(@"\r", "\r").Replace(@"\n", "\n");
+      }
+
+      public override string ToString()
+      {
+         return $"{Value}";
+      }
+   }
+}