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m robot Ajoute: ca:Abstract factory |
→C++ : remplacé exemple avec usage étrange de auto_ptr (=>core...) par exemple venant de version anglaise de Wikipedia |
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Ligne 27 :
<source lang="cpp">
/* exemple d'une fabrique abstraite d'eléments d'IHM en C++ */
struct Button {
virtual void paint() = 0;
void paint (){
std::cout << " I'm a window button \n";
};
struct OSXButton : public Button {
void paint (){
std::cout << " I'm a OSX button \n";
}
};
▲ };
struct GUIFactory {
virtual Button* createButton () = 0;
};
struct WinGUIFactory : public GUIFactory {
Button* createButton (){
return new WinButton();
}
};
struct OSXGUIFactory : public GUIFactory {
Button* createButton (){
return new OSXButton();
}
};
struct Application {
Application(GUIFactory* factory){
Button * button = factory->createButton();
button->paint();
}
/* application : */
int main()
{
GUIFactory* factory1 = new WinGUIFactory();
GUIFactory* factory2 = new OSXGUIFactory();
Application* winApp = new Application (factory1);
Application* osxApp = new Application (factory2);
delete factory1, factory2;
return 0;
}
▲ }
▲ }
</source>
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