tmp: JOBJECT

sample/sample.cpp

@@ -11,20 +11,23 @@
 bool parsing();
 bool parsing_width();
 bool serializing();
+void test_JOBJECT();
 
 int main()
 {
-    std::cout << "\n****** Parsing ******\n" << std::endl;
+    // std::cout << "\n****** Parsing ******\n" << std::endl;
 
-    if (!parsing()) {
-        return -1;
-    }
+    // if (!parsing()) {
+    //     return -1;
+    // }
 
-    std::cout << "\n****** Serializing ******\n" << std::endl;
+    // std::cout << "\n****** Serializing ******\n" << std::endl;
 
-    if (!serializing()) {
-        return -1;
-    }
+    // if (!serializing()) {
+    //     return -1;
+    // }
+
+    test_JOBJECT();
 
     return 0;
 }
@@ -293,3 +296,49 @@ bool serializing()
 
     return true;
 }
+
+void test_JOBJECT()
+{
+
+#define DEF_DUMP_TO_JSON(x)                    \
+    json::object dump_to_json() const          \
+    {                                          \
+        return {                               \
+            { #x, json::serialize<false>(x) }, \
+        };                                     \
+    }
+
+#define DEF_LOAD_FROM_JSON(x)                      \
+    bool load_from_json(const json::object& raw) \
+    {                                            \
+        auto x##opt = raw.find<decltype(x)>(#x); \
+        if (!x##opt) {                           \
+            return false;                        \
+        }                                        \
+        x = *std::move(x##opt);                  \
+        return true;                             \
+    }
+
+    struct MyStruct
+    {
+        std::vector<int> x;
+        int y = 0;
+
+        double a = 0;
+        double b = 0;
+
+        DEF_DUMP_TO_JSON(x);
+        DEF_LOAD_FROM_JSON(x);
+    };
+
+    MyStruct a;
+    a.x = { 1, 2, 3, 4, 5 };
+
+    json::object j = a.dump_to_json();
+    std::cout << j << std::endl;
+
+    MyStruct b;
+    b.load_from_json(j);
+
+    std::cout << b.dump_to_json() << std::endl;
+}