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| #include <iostream>
#include <list>
#include <memory>
#include <algorithm>
enum class Type
{
Ship,
Car,
Plane
};
class CVehicle
{
public:
struct Coords
{
Coords(int x_, int y_):x(x_), y(y_)
{
}
Coords():Coords(0, 0)
{
}
int x, y;
};
virtual ~CVehicle()
{
}
const Coords& get_coords() const { return current_coords; }
void set_coords(const Coords& c) { current_coords = c; }
void set_coords(const int x, const int y) { set_coords(Coords(x, y)); }
const double get_amount() const { return amount; }
const size_t get_speed() const { return max_speed; }
const size_t get_year() const { return year; }
virtual Type get_type() const = 0;
protected:
CVehicle(const Coords& coords, const double am, const size_t speed, const size_t y):
current_coords(coords), amount(am), max_speed(speed), year(y)
{
}
Coords current_coords;
double amount;
size_t max_speed;
size_t year;
};
class IPassNumber
{
public:
IPassNumber(const size_t pass_n):pass_no(pass_n)
{
}
virtual ~IPassNumber()
{
}
const size_t get_pass_no() const { return pass_no; }
private:
size_t pass_no;
};
class CPlane : public CVehicle, public IPassNumber
{
public:
CPlane
(
const Coords& coords, const double amount, const size_t speed, const size_t year,
const size_t h, const size_t pass_no
):CVehicle(coords, amount, speed, year), IPassNumber(pass_no), height(h)
{
}
CPlane
(
const double amount, const size_t speed, const size_t year,
const size_t h, const size_t pass_no
):CPlane(Coords(), amount, speed, year, h, pass_no)
{
}
virtual ~CPlane()
{
}
const size_t get_height() const { return height; }
virtual Type get_type() const { return Type::Plane; }
private:
size_t height;
};
class CShip: public CVehicle, public IPassNumber
{
public:
CShip
(
const Coords& coords, const double amount, const size_t speed, const size_t year,
const size_t pass_no, const std::string& p
):CVehicle(coords, amount, speed, year), IPassNumber(pass_no), port(p)
{
}
CShip
(
const double amount, const size_t speed, const size_t year,
const size_t pass_no, const std::string& p
):CShip(Coords(), amount, speed, year, pass_no, p)
{
}
virtual ~CShip()
{
}
const std::string& get_port() const { return port; }
virtual Type get_type() const { return Type::Ship; }
private:
std::string port;
};
class CCar : public CVehicle
{
public:
CCar
(const Coords& coords, const double amount, const size_t speed, const size_t year):
CVehicle(coords, amount, speed, year)
{
}
CCar(const double amount, const size_t speed, const size_t year):
CCar(Coords(), amount, speed, year)
{
}
virtual ~CCar()
{
}
virtual Type get_type() const { return Type::Car; }
};
typedef std::shared_ptr<CVehicle> base_t;
int main()
{
std::list<base_t> lst =
{
base_t(new CCar(100, 300, 1990)),
base_t(new CShip(1000, 200, 1990, 1000, "MOW")),
base_t(new CPlane(1000, 200, 1990, 10000, 500))
};
std::for_each(lst.begin(), lst.end(), [](const base_t& value)
{
const CVehicle::Coords& coords = value->get_coords();
std::cout << "Coords: " << coords.x << " " << coords.y << std::endl;
std::cout << "Speed: " << value->get_speed()
<< " Amount: " << value->get_amount()
<< " Year: " << value->get_year() << std::endl;
});
std::list<base_t>::iterator iter = lst.begin();
++iter;
CShip* ship = dynamic_cast<CShip*>(iter->get());
std::cout << "Pass no: " << ship->get_pass_no() << " Port: " << ship->get_port() << std::endl;
++iter;
CPlane* plane = dynamic_cast<CPlane*>(iter->get());
std::cout << "Pass no: " << plane->get_pass_no() << " Height: " << plane->get_height() << std::endl;
} |
(
