сarbuilde.cpp

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

// ---------------- Product ----------------
class Car 
{
private:
    string name;
    string body;
    int engineHP;
    int wheelsR;
    string transmission;
public:
    void SetName(const string& n) { name = n; }
    void SetBody(const string& b) { body = b; }
    void SetEngine(int hp) { engineHP = hp; }
    void SetWheels(int r) { wheelsR = r; }
    void SetTransmission(const string& t) { transmission = t; }

    void Show() 
    {
        cout << "-----------------------------\n";
        cout << "Car: " << name << "\n";
        cout << "Body: " << body << "\n";
        cout << "Engine: " << engineHP << " HP\n";
        cout << "Wheels: R" << wheelsR << "\n";
        cout << "Transmission: " << transmission << "\n";
        cout << "-----------------------------\n";
    }
};

// ---------------- Abstract Builder ----------------
class CarBuilder abstract 
{
protected:
    Car* car;
public:
    CarBuilder() { car = new Car(); }
    virtual ~CarBuilder() { delete car; }
    Car* GetCar() { return car; }
    virtual void BuildName() = 0;
    virtual void BuildBody() = 0;
    virtual void BuildEngine() = 0;
    virtual void BuildWheels() = 0;
    virtual void BuildTransmission() = 0;
};

// ---------------- Concrete Builders ----------------
class LanosBuilder : public CarBuilder 
{
public:
    void BuildName() override { car->SetName("Daewoo Lanos"); }
    void BuildBody() override { car->SetBody("Sedan"); }
    void BuildEngine() override { car->SetEngine(98); }
    void BuildWheels() override { car->SetWheels(13); }
    void BuildTransmission() override { car->SetTransmission("5 Manual"); }
};

class ProbeBuilder : public CarBuilder 
{
public:
    void BuildName() override { car->SetName("Ford Probe"); }
    void BuildBody() override { car->SetBody("Cupe"); }
    void BuildEngine() override { car->SetEngine(160); }
    void BuildWheels() override { car->SetWheels(14); }
    void BuildTransmission() override { car->SetTransmission("4 Auto"); }
};

class PatriotBuilder : public CarBuilder 
{
public:
    void BuildName() override { car->SetName("UAZ Patriot"); }
    void BuildBody() override { car->SetBody("Unicersal"); }
    void BuildEngine() override { car->SetEngine(120); }
    void BuildWheels() override { car->SetWheels(16); }
    void BuildTransmission() override { car->SetTransmission("4 Manual"); }
};

class GetzBuilder : public CarBuilder 
{
public:
    void BuildName() override { car->SetName("Hyundai Getz"); }
    void BuildBody() override { car->SetBody("Hetchback"); }
    void BuildEngine() override { car->SetEngine(66); }
    void BuildWheels() override { car->SetWheels(13); }
    void BuildTransmission() override { car->SetTransmission("4 Auto"); }
};

// ---------------- Director ----------------
class Shop 
{
public:
    Car* Construct(CarBuilder* builder) 
    {
        builder->BuildName();
        builder->BuildBody();
        builder->BuildEngine();
        builder->BuildWheels();
        builder->BuildTransmission();
        return builder->GetCar();
    }
};

// ---------------- Main ----------------
int main() 
{
    Shop shop;

    CarBuilder* builder;

    builder = new LanosBuilder();
    Car* lanos = shop.Construct(builder);
    lanos->Show();
    delete builder;

    builder = new ProbeBuilder();
    Car* probe = shop.Construct(builder);
    probe->Show();
    delete builder;

    builder = new PatriotBuilder();
    Car* patriot = shop.Construct(builder);
    patriot->Show();
    delete builder;

    builder = new GetzBuilder();
    Car* getz = shop.Construct(builder);
    getz->Show();
    delete builder;

    cout << "Push Enter for exit...";
    cin.get();
    return 0;
}