ovrride GetDynamicMemberNames

cuture · Feb 14, 2023 · 530f249 · 530f249
1 parent c0deb74
commit 530f249
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Showing 7 changed files with 107 additions and 12 deletions.
diff --git a/README.md b/README.md
@@ -48,6 +48,14 @@ var v2 = json.x[1];
 //访问属性并转换为基础数据类型
 bool b1 = json.b;
 string s1 = json.s;
+
+//局部反序列化
+MyClass obj = json.a.b; //将 json.a.b 反序列化到类型 MyClass
+
+//获取内部的原始 System.Text.Json.Nodes.* 对象
+JsonArray array = json.ArrayProperty;
+JsonObject obj = json.ObjectProperty;
+JsonNode node = json.NodeProperty;
 ```
 
 ## 修改 `JSON` 对象
@@ -96,4 +104,4 @@ var enumerable = ((IDynamicEnumerable)json.Array).AsEnumerable();
 IEnumerable<KeyValuePair<string, dynamic?>> enumerable = json;
 //通过IDynamicKeyValueEnumerable
 var enumerable = ((IDynamicKeyValueEnumerable)json).AsEnumerable();
-```
+```
diff --git a/src/Cuture.Extensions.SystemTextJson.Dynamic/Cuture.Extensions.SystemTextJson.Dynamic.csproj b/src/Cuture.Extensions.SystemTextJson.Dynamic/Cuture.Extensions.SystemTextJson.Dynamic.csproj
@@ -36,7 +36,7 @@
 
     <Authors>Stratos</Authors>
 
-    <Version>1.0.1</Version>
+    <Version>1.0.2</Version>
 
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <PackageProjectUrl>https://github.com/cuture/Cuture.Extensions.SystemTextJson.Dynamic</PackageProjectUrl>

diff --git a/src/Cuture.Extensions.SystemTextJson.Dynamic/JsonArrayDynamicAccessor.cs b/src/Cuture.Extensions.SystemTextJson.Dynamic/JsonArrayDynamicAccessor.cs
@@ -15,6 +15,12 @@ internal class JsonArrayDynamicAccessor
 
     #endregion Private 字段
 
+    #region Public 属性
+
+    public int Length => _jsonArray.Count;
+
+    #endregion Public 属性
+
     #region Public 构造函数
 
     public JsonArrayDynamicAccessor(JsonArray jsonArray) : base(jsonArray)
@@ -26,11 +32,26 @@ public JsonArrayDynamicAccessor(JsonArray jsonArray) : base(jsonArray)
 
     #region Public 方法
 
+    public override IEnumerable<string> GetDynamicMemberNames()
+    {
+        yield return "Length";
+    }
+
     public IEnumerator GetEnumerator()
     {
         return new JsonArrayEnumerator(_jsonArray);
     }
 
+    public override bool TryConvert(ConvertBinder binder, out object? result)
+    {
+        if (binder.ReturnType == typeof(JsonArray))
+        {
+            result = _jsonArray;
+            return true;
+        }
+        return base.TryConvert(binder, out result);
+    }
+
     public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object? result)
     {
         var index = GetIndex(indexes);

diff --git a/src/Cuture.Extensions.SystemTextJson.Dynamic/JsonDynamicAccessor.cs b/src/Cuture.Extensions.SystemTextJson.Dynamic/JsonDynamicAccessor.cs
@@ -47,6 +47,10 @@ public override bool TryConvert(ConvertBinder binder, out object? result)
             {
                 result = dynamicKeyValueEnumerable.AsEnumerable();
             }
+            else if (binder.ReturnType == typeof(JsonNode))
+            {
+                result = Node;
+            }
             else
             {
                 result = Node.Deserialize(binder.ReturnType, JSON.s_defaultJsonSerializerOptions);

diff --git a/src/Cuture.Extensions.SystemTextJson.Dynamic/JsonObjectDynamicAccessor.cs b/src/Cuture.Extensions.SystemTextJson.Dynamic/JsonObjectDynamicAccessor.cs
@@ -24,6 +24,24 @@ public JsonObjectDynamicAccessor(JsonNode jsonNode) : base(jsonNode)
 
     #region Public 方法
 
+    public override IEnumerable<string> GetDynamicMemberNames()
+    {
+        foreach (var item in _jsonObject)
+        {
+            yield return item.Key;
+        }
+    }
+
+    public override bool TryConvert(ConvertBinder binder, out object? result)
+    {
+        if (binder.ReturnType == typeof(JsonObject))
+        {
+            result = _jsonObject;
+            return true;
+        }
+        return base.TryConvert(binder, out result);
+    }
+
     public override bool TryGetIndex(GetIndexBinder binder, object[] indexes, out object? result)
     {
         var index = GetIndex(indexes);

diff --git a/test/Cuture.Extensions.SystemTextJson.Dynamic.Test/GenericTest.cs b/test/Cuture.Extensions.SystemTextJson.Dynamic.Test/GenericTest.cs
diff --git a/test/Cuture.Extensions.SystemTextJson.Dynamic.Test/JSONParseTest.cs b/test/Cuture.Extensions.SystemTextJson.Dynamic.Test/JSONParseTest.cs
@@ -5,6 +5,31 @@ public class JSONParseTest
 {
     #region Public 方法
 
+    [TestMethod]
+    public void ShouldDeSerializePartialSuccess()
+    {
+        var obj = new DeSerializePartialClass1()
+        {
+            P = new()
+            {
+                P = new()
+                {
+                    Age = 10,
+                    Name = "HelloWorld",
+                }
+            }
+        };
+
+        var json = JSON.create(obj);
+
+        DeSerializePartialClass3 dp = json.P.P;
+
+        Assert.IsNotNull(dp);
+
+        Assert.AreEqual(10, dp.Age);
+        Assert.AreEqual("HelloWorld", dp.Name);
+    }
+
     [TestMethod]
     public void ShouldSuccessForNull()
     {
@@ -45,5 +70,34 @@ public void ShouldSuccessForValueString()
         Assert.AreEqual("1", JSON.parse("\"1\""));
     }
 
+    private class DeSerializePartialClass1
+    {
+        #region Public 属性
+
+        public DeSerializePartialClass2 P { get; set; }
+
+        #endregion Public 属性
+    }
+
+    private class DeSerializePartialClass2
+    {
+        #region Public 属性
+
+        public DeSerializePartialClass3 P { get; set; }
+
+        #endregion Public 属性
+    }
+
+    private class DeSerializePartialClass3
+    {
+        #region Public 属性
+
+        public int Age { get; set; }
+
+        public string Name { get; set; }
+
+        #endregion Public 属性
+    }
+
     #endregion Public 方法
 }