Dalamud branch detection

CustomizePlus/Core/Services/Dalamud/DalamudConfigService.cs

@@ -0,0 +1,68 @@
+using Dalamud.Plugin;
+using OtterGui.Services;
+using System.Linq;
+using System.Reflection;
+using System;
+
+namespace CustomizePlus.Core.Services.Dalamud;
+
+public class DalamudConfigService : IService
+{
+    public DalamudConfigService()
+    {
+        try
+        {
+            var serviceType =
+                typeof(IDalamudPluginInterface).Assembly.DefinedTypes.FirstOrDefault(t => t.Name == "Service`1" && t.IsGenericType);
+            var configType = typeof(IDalamudPluginInterface).Assembly.DefinedTypes.FirstOrDefault(t => t.Name == "DalamudConfiguration");
+            var interfaceType = typeof(IDalamudPluginInterface).Assembly.DefinedTypes.FirstOrDefault(t => t.Name == "DalamudInterface");
+            if (serviceType == null || configType == null || interfaceType == null)
+                return;
+
+            var configService = serviceType.MakeGenericType(configType);
+            var interfaceService = serviceType.MakeGenericType(interfaceType);
+            var configGetter = configService.GetMethod("Get", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
+            _interfaceGetter = interfaceService.GetMethod("Get", BindingFlags.Static | BindingFlags.Public | BindingFlags.NonPublic);
+            if (configGetter == null || _interfaceGetter == null)
+                return;
+
+            _dalamudConfig = configGetter.Invoke(null, null);
+        }
+        catch
+        {
+            _dalamudConfig = null;
+            _interfaceGetter = null;
+        }
+    }
+
+    public const string BetaKindOption = "DalamudBetaKind";
+
+    private readonly object? _dalamudConfig;
+    private readonly MethodInfo? _interfaceGetter;
+
+    public bool GetDalamudConfig<T>(string fieldName, out T? value)
+    {
+        value = default;
+        try
+        {
+            if (_dalamudConfig == null)
+                return false;
+
+            var getter = _dalamudConfig.GetType().GetProperty(fieldName, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
+            if (getter == null)
+                return false;
+
+            var result = getter.GetValue(_dalamudConfig);
+            if (result is not T v)
+                return false;
+
+            value = v;
+            return true;
+        }
+        catch (Exception e)
+        {
+            Plugin.Logger.Error($"Error while fetching Dalamud Config {fieldName}:\n{e}");
+            return false;
+        }
+    }
+}