Builder.cpp

#include <iostream>
#include <string>
using namespace std;

class Car
{
public:
    string name;
    string body;
    int engine;
    int wheels;
    int gears;
    string transmission;
};

class CarBuilder abstract
{
public:
    virtual void Start() {}
    virtual void AddCar(Car car) {}
    virtual void Finish() {}
    virtual string Result() abstract;
};

class TextCarBuilder : public CarBuilder
{
private:
    string text;

public:
    void Start() override
    {
        text = "-------------------------------------------------------------\n";
        text += "Name\t\tBody\t\tEngine\tWheels\tGears\tTransmission\n";
        text += "-------------------------------------------------------------\n";
    }

    void AddCar(Car car) override
    {
        text += car.name + "\t";
        text += car.body + "\t\t";
        text += to_string(car.engine) + "\t";
        text += "R" + to_string(car.wheels) + "\t";
        text += to_string(car.gears) + "\t";
        text += car.transmission + "\n";
    }

    void Finish() override
    {
        text += "-------------------------------------------------------------\n";
    }

    string Result() override
    {
        return text;
    }
};

class Shop
{
public:
    Car CreateCar(string name, string body, int engine, int wheels, int gears, string transmission)
    {
        Car car;
        car.name = name;
        car.body = body;
        car.engine = engine;
        car.wheels = wheels;
        car.gears = gears;
        car.transmission = transmission;
        return car;
    }

    string BuildTable(CarBuilder* builder)
    {
        builder->Start();

        builder->AddCar(CreateCar("Daewoo Lanos", "Sedan", 98, 13, 5, "Manual"));
        builder->AddCar(CreateCar("Ford Probe", "Kupe", 160, 14, 4, "Auto"));
        builder->AddCar(CreateCar("UAZ Patriot", "Unive", 120, 16, 4, "Manual"));
        builder->AddCar(CreateCar("Hyundai Getz", "Hetc", 66, 13, 4, "Auto"));

        builder->Finish();

        return builder->Result();
    }
};

void client(CarBuilder* builder)
{
    Shop shop;

    string table = shop.BuildTable(builder);

    cout << table;
}

void main()
{
    cout << "Cars table:\n\n";
    CarBuilder* builder = new TextCarBuilder();
    client(builder);
    delete builder;
    system("pause");
}