/* OUTPUT
Trying to avoid this: http://pastebin.com/08ySYBrT
Using this solution: http://stackoverflow.com/a/17218370/286094

---- Rendering ImageView ----
View::Renderer
ImageView::Renderer

---- Rendering Sprite ----
View::Renderer
ImageView::Renderer
Sprite::Renderer

---- Rendering AwesomeSprite ----
View::Renderer
ImageView::Renderer
Sprite::Renderer
AwesomeSprite::Renderer
*/

#include <string>
#include <iostream>

using namespace std;

class View{
public:
    void Render(){
		render();
	}
protected:
    class Renderer{
    public:
        Renderer(const View &v){
            cout << "View::Renderer" << endl;
        }
    };
private:
	virtual void render() = 0;
};

class ImageView : public View{
protected:
    class Renderer : public View::Renderer{
    public:
        Renderer(const View &v) : View::Renderer(v){
            cout << "ImageView::Renderer" << endl;
        }
    };
private:
    virtual void render(){
        (Renderer(*this));
    }
};

class Sprite : public ImageView{
protected:
    class Renderer : public ImageView::Renderer{
    public:
        Renderer(const View &v) : ImageView::Renderer(v){
            cout << "Sprite::Renderer" << endl;
        }
    };
private:
    virtual void render(){
        (Renderer(*this));
    }
};

class AwesomeSprite : public Sprite{
protected:
    class Renderer : public Sprite::Renderer{
    public:
        Renderer(const View &v) : Sprite::Renderer(v){
            cout << "AwesomeSprite::Renderer" << endl;
        }
    };
private:
    virtual void render(){
        (Renderer(*this));
    }
};

void Draw(View *v){
	v->Render();
}

int main(){
	cout << "---- Rendering ImageView ----" << endl;
    ImageView *img = new ImageView;
	Draw(img);
	delete img;
	cout << endl;

	cout << "---- Rendering Sprite ----" << endl;
	Sprite *s = new Sprite;
	Draw(s);
	delete s;
	cout << endl;

	cout << "---- Rendering AwesomeSprite ----" << endl;
    AwesomeSprite *as = new AwesomeSprite;
	Draw(as);
	delete as;
	cout << endl;

    return 0;
}