Reflection-Json-Serializer/source.cpp at main · ShumWengSang/Reflection-Json-Serializer · GitHub

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#include "Headers.h"

// Function declaration
json ToJson(rttr::instance obj, const char * name) ;

using namespace rttr;

enum class color
{
    red,
    green,
    blue
};

struct point2d
{
    point2d() {}
    point2d(int x_, int y_) : x(x_), y(y_) {}
    int x = 0;
    int y = 0;
};

struct shape
{
    shape(std::string n) : name(n) {}
    shape() = default;
    void set_visible(bool v) { visible = v; }
    bool get_visible() const { return visible; }

    color color_ = color::blue;
    std::string name = "";
    point2d position;
    std::map<color, point2d> dictionary;

    RTTR_ENABLE()
private:
    bool visible = false;
};

struct circle : shape
{
    circle(std::string n) : shape(n) {}
    circle() = default;
    double radius = 5.2;
    std::vector<point2d> points;

    int no_serialize = 100;

    RTTR_ENABLE(shape)
};

struct Container
{
    std::unordered_map<int, circle> map;
    std::vector<int> array = {10,1};
    RTTR_ENABLE()
};

RTTR_REGISTRATION
{
rttr::registration::class_<shape>("shape")
.property("visible", &shape::get_visible, &shape::set_visible)
.property("color", &shape::color_)
.property("name", &shape::name)
.property("position", &shape::position)
.property("dictionary", &shape::dictionary)
;

rttr::registration::class_<circle>("circle")
.property("radius", &circle::radius)
.property("points", &circle::points)
.property("no_serialize", &circle::no_serialize)
(
metadata("NO_SERIALIZE", true)
)
;

rttr::registration::class_<point2d>("point2d")
.constructor()(rttr::policy::ctor::as_object)
.property("x", &point2d::x)
.property("y", &point2d::y)
;


rttr::registration::enumeration<color>("color")
(
value("red", color::red),
value("blue", color::blue),
value("green", color::green)
);
rttr::registration::class_<Container>("circle")
.property("Hash Map", &Container::map)
.property("Array", &Container::array)
;
}

int main()
{
    std::string json_string;
    Container map;
    {
        circle c_1("Circle #1");
        shape& my_shape = c_1;

        c_1.set_visible(true);
        c_1.points = std::vector<point2d>(2, point2d(1, 1));
        c_1.points[1].x = 23;
        c_1.points[1].y = 42;

        c_1.position.x = 12;
        c_1.position.y = 66;

        c_1.radius = 5.123;
        c_1.color_ = color::red;

        // additional braces are needed for a VS 2013 bug
        c_1.dictionary = { { {color::green, {1, 2} }, {color::blue, {3, 4} }, {color::red, {5, 6} } } };

        c_1.no_serialize = 12345;

        json_string = ToJson(my_shape, "Circle 1").dump(4); // serialize the circle to 'json_string'
        map.map[0] = c_1;
    }

    std::cout << json_string << std::endl;

    circle c_2("Circle #2"); // create a new empty circle
    map.map[1] = c_2;
    // from_json(json_string, c_2); // deserialize it with the content of 'c_1'
    std::cout << "\n############################################\n" << std::endl;

    std::cout << ToJson(c_2, "Circle 2").dump(4) << std::endl;

    json_string = ToJson(map, "Map").dump(4);
    std::cout << "Map:\n " << std::endl;
    std::cout << json_string << std::endl;
    return 0;
}