chore: use file-scoped namespace

src/Shared/HandyControlDemo_Shared/Tools/HighlightingProvider.cs

@@ -6,75 +6,74 @@ using HandyControl.Data;
 using ICSharpCode.AvalonEdit.Highlighting;
 using ICSharpCode.AvalonEdit.Highlighting.Xshd;
 
-namespace HandyControlDemo.Tools
+namespace HandyControlDemo.Tools;
+
+internal class HighlightingProvider
 {
-    internal class HighlightingProvider
+    public static HighlightingProvider Default = new Lazy<HighlightingProvider>(() => new HighlightingProvider()).Value;
+
+    protected static readonly Lazy<IHighlightingDefinition> DefaultDefinition = new(() => HighlightingManager.Instance.GetDefinition("C#"));
+
+    private static readonly Dictionary<SkinType, HighlightingProvider> Providers = new();
+
+    protected Dictionary<string, Lazy<IHighlightingDefinition>> Definition;
+
+    public static void Register(SkinType skinType, HighlightingProvider provider)
     {
-        public static HighlightingProvider Default = new Lazy<HighlightingProvider>(() => new HighlightingProvider()).Value;
-
-        protected static readonly Lazy<IHighlightingDefinition> DefaultDefinition = new(() => HighlightingManager.Instance.GetDefinition("C#"));
-
-        private static readonly Dictionary<SkinType, HighlightingProvider> Providers = new();
-
-        protected Dictionary<string, Lazy<IHighlightingDefinition>> Definition;
-
-        public static void Register(SkinType skinType, HighlightingProvider provider)
-        {
-            Providers[skinType] = provider ?? throw new ArgumentNullException(nameof(provider));
-            provider.InitDefinitions();
-        }
-
-        public static IHighlightingDefinition GetDefinition(SkinType skinType, string name)
-        {
-            if (Providers.TryGetValue(skinType, out var provider))
-            {
-                return provider.GetDefinition(name);
-            }
-
-            return DefaultDefinition.Value;
-        }
-
-        protected static IHighlightingDefinition LoadDefinition(string xshdName)
-        {
-            var streamResourceInfo = Application.GetResourceStream(new Uri($"pack://application:,,,/Resources/xshd/{xshdName}.xshd"));
-            if (streamResourceInfo == null)
-            {
-                return DefaultDefinition.Value;
-            }
-
-            using var reader = new XmlTextReader(streamResourceInfo.Stream);
-            return HighlightingLoader.Load(reader, HighlightingManager.Instance);
-        }
-
-        protected virtual IHighlightingDefinition GetDefinition(string name)
-        {
-            if (Definition.TryGetValue(name, out var definition))
-            {
-                return definition.Value;
-            }
-
-            return DefaultDefinition.Value;
-        }
-
-        protected virtual void InitDefinitions()
-        {
-            Definition = new Dictionary<string, Lazy<IHighlightingDefinition>>
-            {
-                ["XML"] = new(() => HighlightingManager.Instance.GetDefinition("XML")),
-                ["C#"] = new(() => DefaultDefinition.Value)
-            };
-        }
+        Providers[skinType] = provider ?? throw new ArgumentNullException(nameof(provider));
+        provider.InitDefinitions();
     }
 
-    internal class HighlightingProviderDark : HighlightingProvider
+    public static IHighlightingDefinition GetDefinition(SkinType skinType, string name)
     {
-        protected override void InitDefinitions()
+        if (Providers.TryGetValue(skinType, out var provider))
         {
-            Definition = new Dictionary<string, Lazy<IHighlightingDefinition>>
-            {
-                ["XML"] = new(() => LoadDefinition("XML-Dark")),
-                ["C#"] = new(() => LoadDefinition("CSharp-Dark")),
-            };
+            return provider.GetDefinition(name);
         }
+
+        return DefaultDefinition.Value;
+    }
+
+    protected static IHighlightingDefinition LoadDefinition(string xshdName)
+    {
+        var streamResourceInfo = Application.GetResourceStream(new Uri($"pack://application:,,,/Resources/xshd/{xshdName}.xshd"));
+        if (streamResourceInfo == null)
+        {
+            return DefaultDefinition.Value;
+        }
+
+        using var reader = new XmlTextReader(streamResourceInfo.Stream);
+        return HighlightingLoader.Load(reader, HighlightingManager.Instance);
+    }
+
+    protected virtual IHighlightingDefinition GetDefinition(string name)
+    {
+        if (Definition.TryGetValue(name, out var definition))
+        {
+            return definition.Value;
+        }
+
+        return DefaultDefinition.Value;
+    }
+
+    protected virtual void InitDefinitions()
+    {
+        Definition = new Dictionary<string, Lazy<IHighlightingDefinition>>
+        {
+            ["XML"] = new(() => HighlightingManager.Instance.GetDefinition("XML")),
+            ["C#"] = new(() => DefaultDefinition.Value)
+        };
     }
 }
+
+internal class HighlightingProviderDark : HighlightingProvider
+{
+    protected override void InitDefinitions()
+    {
+        Definition = new Dictionary<string, Lazy<IHighlightingDefinition>>
+        {
+            ["XML"] = new(() => LoadDefinition("XML-Dark")),
+            ["C#"] = new(() => LoadDefinition("CSharp-Dark")),
+        };
+    }
+}