PowerControl: Allow user to configure selectable TDP, CPU and GPU from PowerControl.dll.ini

PowerControl/PersistedOptions.cs

@@ -0,0 +1,56 @@
+namespace PowerControl
+{
+    public class PersistedOptions : CommonHelpers.BaseSettings
+    {
+        public const string OptionsKey = "Options";
+
+        public PersistedOptions(string name) : base(name + "Options")
+        {
+        }
+
+        public struct Option
+        {
+            public PersistedOptions Options { get; set; }
+            public string Key { get; set; }
+
+            public string FullKey(string setting)
+            {
+                return String.Format("{0}_{1}", Key, setting);
+            }
+
+            public bool Exist
+            {
+                get => Options.GetOptions().Contains(Key);
+            }
+
+            public Option Set<T>(string setting, T value)
+            {
+                // Get and persist value on first access
+                Options.Get(FullKey(setting), value, true);
+                return this;
+            }
+
+            public T Get<T>(string setting, T defaultValue)
+            {
+                // Get and do not persist value
+                return Options.Get(FullKey(setting), defaultValue, false);
+            }
+        }
+
+        public Option ForOption(string option)
+        {
+            return new Option() { Options = this, Key = option };
+        }
+
+        public void SetOptions(IEnumerable<Option> options)
+        {
+            Set<string>(OptionsKey, String.Join(",", options.Select((option) => option.Key)));
+        }
+
+        public string[] GetOptions()
+        {
+            var options = Get<string>(OptionsKey, "");
+            return options.Split(',', StringSplitOptions.RemoveEmptyEntries);
+        }
+    }
+}