some change

SpineViewer/Spine/Implementations/SkeletonConverter/SkeletonConverter38.cs

@@ -16,12 +16,12 @@ namespace SpineViewer.Spine.Implementations.SkeletonConverter
         private bool nonessential = false;
         private JsonObject root = null;
 
-        public override void BinaryToJson(string binPath, string jsonPath)
+        protected override JsonObject ReadBinary(string binPath)
         {
-            using var input = new FileStream(binPath, FileMode.Open, FileAccess.Read, FileShare.Read);
+            using var input = File.OpenRead(binPath);
             reader = new(input);
 
-            root = [];
+            var result = root = [];
             root["skeleton"] = ReadSkeleton();
             ReadStrings();
             root["bones"] = ReadBones();
@@ -33,9 +33,11 @@ namespace SpineViewer.Spine.Implementations.SkeletonConverter
             root["events"] = ReadEvents();
             root["aimations"] = ReadAnimations();
 
-            using var output = new FileStream(jsonPath, FileMode.Create, FileAccess.Write, FileShare.None);
-            using var writer = new Utf8JsonWriter(output, jsonWriterOptions);
-            root.WriteTo(writer);
+            reader = null;
+            nonessential = false;
+            root = null;
+
+            return result;
         }
 
         private JsonObject ReadSkeleton()
@@ -203,7 +205,6 @@ namespace SpineViewer.Spine.Implementations.SkeletonConverter
             {
                 throw new NotImplementedException();
             }
-
             return skins;
         }
 
@@ -232,15 +233,18 @@ namespace SpineViewer.Spine.Implementations.SkeletonConverter
         private JsonObject ReadAnimations()
         {
             JsonObject animations = [];
-
+            int count = reader.ReadVarInt();
+            for (int i = 0; i < count; i++)
+            {
+                throw new NotImplementedException();
+            }
             return animations;
         }
 
-        public override void JsonToBinary(string jsonPath, string binPath)
+        protected override void WriteBinary(JsonObject root, string binPath)
         {
-            // 按顺序把 json 的内容写入到骨骼 binary 缓冲区
-            // 然后在文件中依次写入文件头和骨骼数据
             throw new NotImplementedException();
         }
+
     }
 }

SpineViewer/Spine/SkeletonConverter.cs

@@ -7,7 +7,8 @@ using System.Reflection;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Text.Json;
-using System.Threading.Tasks;
+using System.Text.Json.Nodes;
+using System.Text.Encodings.Web;
 
 namespace SpineViewer.Spine
 {
@@ -64,21 +65,62 @@ namespace SpineViewer.Spine
             return (SkeletonConverter)Activator.CreateInstance(cvterType);
         }
 
-        protected static readonly JsonWriterOptions jsonWriterOptions = new()
+        /// <summary>
+        /// Json 格式控制
+        /// </summary>
+        private static readonly JsonWriterOptions jsonWriterOptions = new()
         {
             Indented = true,
-            Encoder = System.Text.Encodings.Web.JavaScriptEncoder.UnsafeRelaxedJsonEscaping
+            Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
         };
 
+        /// <summary>
+        /// 读取二进制骨骼文件并构造 Json 对象
+        /// </summary>
+        protected abstract JsonObject ReadBinary(string binPath);
+
+        /// <summary>
+        /// 将 Json 对象写入二进制骨骼文件
+        /// </summary>
+        protected abstract void WriteBinary(JsonObject root, string binPath);
+
+        /// <summary>
+        /// 读取 Json 对象
+        /// </summary>
+        private JsonObject ReadJson(string jsonPath)
+        {
+            using var input = File.OpenRead(jsonPath);
+            if (JsonNode.Parse(input) is JsonObject root)
+                return root;
+            else
+                throw new InvalidOperationException($"{jsonPath} is not a valid json object");
+        }
+
+        /// <summary>
+        /// 写入 Json 对象
+        /// </summary>
+        private void WriteJson(JsonObject root, string jsonPath)
+        {
+            using var output = File.Create(jsonPath);
+            using var writer = new Utf8JsonWriter(output, jsonWriterOptions);
+            root.WriteTo(writer);
+        }
+
         /// <summary>
         /// 二进制转 Json 格式
         /// </summary>
-        public abstract void BinaryToJson(string binPath, string jsonPath);
+        public void BinaryToJson(string binPath, string jsonPath)
+        {
+            WriteJson(ReadBinary(binPath), jsonPath);
+        }
 
         /// <summary>
         /// Json 转二进制格式
         /// </summary>
-        public abstract void JsonToBinary(string jsonPath, string binPath);
+        public void JsonToBinary(string jsonPath, string binPath)
+        {
+            WriteBinary(ReadJson(jsonPath), binPath);
+        }
 
         protected class SkeletonReader
         {
@@ -113,7 +155,7 @@ namespace SpineViewer.Spine
                 return (bytesBigEndian[0] << 24)
                      | (bytesBigEndian[1] << 16)
                      | (bytesBigEndian[2] << 8)
-                     |  bytesBigEndian[3];
+                     | bytesBigEndian[3];
             }
             public long ReadLong()
             {
@@ -293,6 +335,5 @@ namespace SpineViewer.Spine
             }
             public void WriteFully(byte[] buffer, int offset, int length) => output.Write(buffer, offset, length);
         }
-
     }
 }