提取ImplementationResolver实现

SpineViewer/Dialogs/BatchOpenSpineDialog.cs

@@ -48,7 +48,7 @@ namespace SpineViewer.Dialogs
                 }
             }
 
-            if (version != Spine.Version.Auto && !Spine.Spine.ImplementedVersions.Contains(version))
+            if (version != Spine.Version.Auto && !Spine.Spine.HasImplementation(version))
             {
                 MessageBox.Info($"{version.GetName()} 版本尚未实现（咕咕咕~）");
                 return;

SpineViewer/Dialogs/ConvertFileFormatDialog.cs

@@ -59,13 +59,13 @@ namespace SpineViewer.Dialogs
                 }
             }
 
-            if (sourceVersion != Spine.Version.Auto && !SkeletonConverter.ImplementedVersions.Contains(sourceVersion))
+            if (sourceVersion != Spine.Version.Auto && !SkeletonConverter.HasImplementation(sourceVersion))
             {
                 MessageBox.Info($"{sourceVersion.GetName()} 版本尚未实现（咕咕咕~）");
                 return;
             }
 
-            if (!SkeletonConverter.ImplementedVersions.Contains(targetVersion))
+            if (!SkeletonConverter.HasImplementation(targetVersion))
             {
                 MessageBox.Info($"{targetVersion.GetName()} 版本尚未实现（咕咕咕~）");
                 return;

SpineViewer/Dialogs/OpenSpineDialog.cs

@@ -79,7 +79,7 @@ namespace SpineViewer.Dialogs
                 atlasPath = Path.GetFullPath(atlasPath);
             }
 
-            if (version != Spine.Version.Auto && !Spine.Spine.ImplementedVersions.Contains(version))
+            if (version != Spine.Version.Auto && !Spine.Spine.HasImplementation(version))
             {
                 MessageBox.Info($"{version.GetName()} 版本尚未实现（咕咕咕~）");
                 return;

SpineViewer/Exporter/ExportArgs.cs

@@ -14,40 +14,18 @@ namespace SpineViewer.Exporter
     /// <summary>
     /// 导出参数基类
     /// </summary>
-    public abstract class ExportArgs
+    public abstract class ExportArgs : ImplementationResolver<ExportArgs, ExportImplementationAttribute, ExportType>
     {
-        /// <summary>
-        /// 实现类缓存
-        /// </summary>
-        private static readonly Dictionary<ExportType, Type> ImplementationTypes = [];
-
-        static ExportArgs()
-        {
-            var impTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => typeof(ExportArgs).IsAssignableFrom(t) && !t.IsAbstract);
-            foreach (var type in impTypes)
-            {
-                var attr = type.GetCustomAttribute<ExportImplementationAttribute>();
-                if (attr is not null)
-                {
-                    if (ImplementationTypes.ContainsKey(attr.ExportType))
-                        throw new InvalidOperationException($"Multiple implementations found: {attr.ExportType}");
-                    ImplementationTypes[attr.ExportType] = type;
-                }
-            }
-            Program.Logger.Debug("Find export args implementations: [{}]", string.Join(", ", ImplementationTypes.Keys));
-        }
-
         /// <summary>
         /// 创建指定类型导出参数
         /// </summary>
+        /// <param name="exportType">导出类型</param>
+        /// <param name="resolution">分辨率</param>
+        /// <param name="view">导出视图</param>
+        /// <param name="renderSelectedOnly">仅渲染选中</param>
+        /// <returns>返回与指定 <paramref name="exportType"/> 匹配的导出参数实例</returns>
         public static ExportArgs New(ExportType exportType, Size resolution, SFML.Graphics.View view, bool renderSelectedOnly)
-        {
+            => New(exportType, resolution, view, renderSelectedOnly);
-            if (!ImplementationTypes.TryGetValue(exportType, out var type))
-            {
-                throw new NotImplementedException($"Not implemented type: {exportType}");
-            }
-            return (ExportArgs)Activator.CreateInstance(type, resolution, view, renderSelectedOnly);
-        }
 
         public ExportArgs(Size resolution, SFML.Graphics.View view, bool renderSelectedOnly)
         {

SpineViewer/Exporter/ExportHelper.cs

@@ -26,14 +26,9 @@ namespace SpineViewer.Exporter
     /// 导出实现类标记
     /// </summary>
     [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
-    public class ExportImplementationAttribute : Attribute
+    public class ExportImplementationAttribute(ExportType exportType) : Attribute, IImplementationKey<ExportType>
     {
-        public ExportType ExportType { get; }
+        public ExportType ImplementationKey { get; private set; } = exportType;
-
-        public ExportImplementationAttribute(ExportType exportType)
-        {
-            ExportType = exportType;
-        }
     }
 
     /// <summary>

SpineViewer/Exporter/Exporter.cs

@@ -12,56 +12,25 @@ namespace SpineViewer.Exporter
     /// <summary>
     /// 导出器基类
     /// </summary>
-    public abstract class Exporter
+    public abstract class Exporter(ExportArgs exportArgs) : ImplementationResolver<Exporter, ExportImplementationAttribute, ExportType>
     {
         /// <summary>
-        /// 实现类缓存
+        /// 创建指定类型导出器
         /// </summary>
-        private static readonly Dictionary<ExportType, Type> ImplementationTypes = [];
+        /// <param name="exportType">导出类型</param>
-
+        /// <param name="exportArgs">与 <paramref name="exportType"/> 匹配的导出参数</param>
-        static Exporter()
+        /// <returns>与 <paramref name="exportType"/> 匹配的导出器</returns>
-        {
+        public static Exporter New(ExportType exportType, ExportArgs exportArgs) => New(exportType, exportArgs);
-            var impTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => typeof(Exporter).IsAssignableFrom(t) && !t.IsAbstract);
-            foreach (var type in impTypes)
-            {
-                var attr = type.GetCustomAttribute<ExportImplementationAttribute>();
-                if (attr is not null)
-                {
-                    if (ImplementationTypes.ContainsKey(attr.ExportType))
-                        throw new InvalidOperationException($"Multiple implementations found: {attr.ExportType}");
-                    ImplementationTypes[attr.ExportType] = type;
-                }
-            }
-            Program.Logger.Debug("Find exporter implementations: [{}]", string.Join(", ", ImplementationTypes.Keys));
-        }
-
-        /// <summary>
-        /// 创建指定类型导出参数
-        /// </summary>
-        public static Exporter New(ExportType exportType, ExportArgs exportArgs)
-        {
-            if (!ImplementationTypes.TryGetValue(exportType, out var type))
-            {
-                throw new NotImplementedException($"Not implemented type: {exportType}");
-            }
-            return (Exporter)Activator.CreateInstance(type, exportArgs);
-        }
 
         /// <summary>
         /// 导出参数
         /// </summary>
-        public ExportArgs ExportArgs { get; }
+        public ExportArgs ExportArgs { get; } = exportArgs;
 
         /// <summary>
         /// 可用于文件名的时间戳字符串
         /// </summary>
-        protected readonly string timestamp;
+        protected readonly string timestamp = DateTime.Now.ToString("yyMMddHHmmss");
-
-        public Exporter(ExportArgs exportArgs)
-        {
-            ExportArgs = exportArgs;
-            timestamp = DateTime.Now.ToString("yyMMddHHmmss");
-        }
 
         /// <summary>
         /// 获取供渲染的 SFML.Graphics.RenderTexture

SpineViewer/ImplementationResolver.cs

@@ -0,0 +1,67 @@
+using SpineViewer.Exporter;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Text;
+using System.Threading.Tasks;
+using static SFML.Window.Keyboard;
+
+namespace SpineViewer
+{
+    public interface IImplementationKey<TKey>
+    {
+        TKey ImplementationKey { get; }
+    }
+
+    /// <summary>
+    /// 可以使用反射查找基类关联的所有实现类
+    /// </summary>
+    /// <typeparam name="TBase">所有实现类的基类型</typeparam>
+    /// <typeparam name="TAttr">实现类类型属性标记类型</typeparam>
+    /// /// <typeparam name="TKey">实现类类型标记类型</typeparam>
+    public abstract class ImplementationResolver<TBase, TAttr, TKey> where TAttr : Attribute, IImplementationKey<TKey>
+    {
+        /// <summary>
+        /// 实现类型缓存
+        /// </summary>
+        private static readonly Dictionary<TKey, Type> ImplementationTypes = new();
+
+        static ImplementationResolver()
+        {
+            var baseType = typeof(TBase);
+            var impTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => baseType.IsAssignableFrom(t) && !t.IsAbstract);
+            foreach (var type in impTypes)
+            {
+                var attr = type.GetCustomAttribute<TAttr>();
+                if (attr is not null)
+                {
+                    var key = attr.ImplementationKey;
+                    if (ImplementationTypes.ContainsKey(key))
+                        throw new InvalidOperationException($"Multiple implementations found for key: {key}");
+                    ImplementationTypes[key] = type;
+                }
+            }
+            Program.Logger.Debug("Found implementations for {}: {}", baseType, string.Join(", ", ImplementationTypes.Keys));
+        }
+
+        /// <summary>
+        /// 判断某种类型是否实现
+        /// </summary>
+        public static bool HasImplementation(TKey key) => ImplementationTypes.ContainsKey(key);
+
+        /// <summary>
+        /// 根据实现类键和参数创建实例
+        /// </summary>
+        /// <param name="impKey"></param>
+        /// <param name="args"></param>
+        /// <returns></returns>
+        /// <exception cref="NotImplementedException"></exception>
+        protected static TBase New(TKey impKey, params object?[]? args)
+        {
+            if (!ImplementationTypes.TryGetValue(impKey, out var type))
+                throw new NotImplementedException($"Not implemented type for {typeof(TBase)}: {impKey}");
+            return (TBase)Activator.CreateInstance(type, args);
+        }
+    }
+}

SpineViewer/Spine/SkeletonConverter.cs

@@ -15,46 +15,12 @@ namespace SpineViewer.Spine
     /// <summary>
     /// SkeletonConverter 基类, 使用静态方法 New 来创建具体版本对象
     /// </summary>
-    public abstract class SkeletonConverter
+    public abstract class SkeletonConverter : ImplementationResolver<SkeletonConverter, SpineImplementationAttribute, Version>
     {
-        /// <summary>
-        /// 实现类缓存
-        /// </summary>
-        private static readonly Dictionary<Version, Type> ImplementationTypes = [];
-        public static readonly Dictionary<Version, Type>.KeyCollection ImplementedVersions;
-
-        /// <summary>
-        /// 静态构造函数
-        /// </summary>
-        static SkeletonConverter()
-        {
-            // 遍历并缓存标记了 SpineImplementationAttribute 的类型
-            var impTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => typeof(SkeletonConverter).IsAssignableFrom(t) && !t.IsAbstract);
-            foreach (var type in impTypes)
-            {
-                var attr = type.GetCustomAttribute<SpineImplementationAttribute>();
-                if (attr is not null)
-                {
-                    if (ImplementationTypes.ContainsKey(attr.Version))
-                        throw new InvalidOperationException($"Multiple implementations found: {attr.Version}");
-                    ImplementationTypes[attr.Version] = type;
-                }
-            }
-            Program.Logger.Debug("Find SkeletonConverter implementations: [{}]", string.Join(", ", ImplementationTypes.Keys));
-            ImplementedVersions = ImplementationTypes.Keys;
-        }
-
         /// <summary>
         /// 创建特定版本的 SkeletonConverter
         /// </summary>
-        public static SkeletonConverter New(Version version)
+        public static SkeletonConverter New(Version version) => New(version);
-        {
-            if (!ImplementationTypes.TryGetValue(version, out var cvterType))
-            {
-                throw new NotImplementedException($"Not implemented version: {version}");
-            }
-            return (SkeletonConverter)Activator.CreateInstance(cvterType);
-        }
 
         /// <summary>
         /// Json 格式控制

SpineViewer/Spine/Spine.cs

@@ -21,7 +21,7 @@ namespace SpineViewer.Spine
     /// <summary>
     /// Spine 基类, 使用静态方法 New 来创建具体版本对象
     /// </summary>
-    public abstract class Spine : SFML.Graphics.Drawable, IDisposable
+    public abstract class Spine : ImplementationResolver<Spine, SpineImplementationAttribute, Version>, SFML.Graphics.Drawable, IDisposable
     {
         /// <summary>
         /// 常规骨骼文件后缀集合
@@ -48,12 +48,6 @@ namespace SpineViewer.Spine
         /// </summary>
         public const float SCALE_MIN = 0.001f;
 
-        /// <summary>
-        /// 实现类缓存
-        /// </summary>
-        private static readonly Dictionary<Version, Type> ImplementationTypes = [];
-        public static readonly Dictionary<Version, Type>.KeyCollection ImplementedVersions;
-
         /// <summary>
         /// 用于解决 PMA 和渐变动画问题的片段着色器
         /// </summary>
@@ -74,21 +68,6 @@ namespace SpineViewer.Spine
         /// </summary>
         static Spine()
         {
-            // 遍历并缓存标记了 SpineImplementationAttribute 的类型
-            var impTypes = Assembly.GetExecutingAssembly().GetTypes().Where(t => typeof(Spine).IsAssignableFrom(t) && !t.IsAbstract);
-            foreach (var type in impTypes)
-            {
-                var attr = type.GetCustomAttribute<SpineImplementationAttribute>();
-                if (attr is not null)
-                {
-                    if (ImplementationTypes.ContainsKey(attr.Version))
-                        throw new InvalidOperationException($"Multiple implementations found: {attr.Version}");
-                    ImplementationTypes[attr.Version] = type;
-                }
-            }
-            Program.Logger.Debug("Find Spine implementations: [{}]", string.Join(", ", ImplementationTypes.Keys));
-            ImplementedVersions = ImplementationTypes.Keys;
-
             // 加载 FragmentShader
             try
             {
@@ -178,12 +157,7 @@ namespace SpineViewer.Spine
                 else
                     throw new InvalidDataException($"Auto version detection failed for {skelPath}, try to use a specific version");
             }
-            if (!ImplementationTypes.TryGetValue(version, out var spineType))
+            var spine = New(version, skelPath, atlasPath);
-            {
-                throw new NotImplementedException($"Not implemented version: {version}");
-            }
-
-            var spine = (Spine)Activator.CreateInstance(spineType, skelPath, atlasPath);
 
             // 统一初始化
             spine.initBounds = spine.Bounds;
@@ -233,7 +207,7 @@ namespace SpineViewer.Spine
             atlasPath ??= Path.ChangeExtension(skelPath, ".atlas");
 
             // 设置 Version
-            Version = attr.Version;
+            Version = attr.ImplementationKey;
             AssetsDir = Directory.GetParent(skelPath).FullName;
             SkelPath = Path.GetFullPath(skelPath);
             AtlasPath = Path.GetFullPath(atlasPath);

SpineViewer/Spine/SpineHelper.cs

@@ -29,14 +29,9 @@ namespace SpineViewer.Spine
     /// Spine 实现类标记
     /// </summary>
     [AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = false)]
-    public class SpineImplementationAttribute : Attribute
+    public class SpineImplementationAttribute(Version version) : Attribute, IImplementationKey<Version>
     {
-        public Version Version { get; }
+        public Version ImplementationKey { get; private set; } = version;
-
-        public SpineImplementationAttribute(Version version)
-        {
-            Version = version;
-        }
     }
 
     /// <summary>