menus.cpp

深入浅出设计模式（书配套c++源代码)。包含20个设计模式的c++实现。

#include "Menus.hpp"

using namespace HeadFirstDesignPatterns::Composite::Menus;

int main( int argc, char* argv[] ) {

	std::auto_ptr< MenuComponent > pancakeHouseMenu(
		new Menu( "PANCAKE HOUSE MENU", "Breakfast" ) );
	std::auto_ptr< MenuComponent > dinerMenu(
		new Menu( "DINER MENU", "Lunch" ) );
	std::auto_ptr< MenuComponent > cafeMenu(
		new Menu( "CAFE MENU", "Dinner" ) );
	std::auto_ptr< MenuComponent > dessertMenu(
		new Menu( "DESSERT MENU", "Dessert of course!" ) );
	std::auto_ptr< MenuComponent > coffeeMenu(
		new Menu( "COFFEE MENU", "Stuff to go with your afternoon coffee" ) );

	std::auto_ptr< MenuComponent > allMenus(
		new Menu( "ALL MENUS", "All menus combined" ) );

	allMenus->add( pancakeHouseMenu.get() );
	allMenus->add( dinerMenu.get() );
	allMenus->add( cafeMenu.get() );

	pancakeHouseMenu->add( new MenuItem(
		"K&B's Pancake Breakfast", 
		"Pancakes with scrambled eggs, and toast", 
		true,
		2.99) );
	pancakeHouseMenu->add( new MenuItem(
		"Regular Pancake Breakfast", 
		"Pancakes with fried eggs, sausage", 
		false,
		2.99) );
	pancakeHouseMenu->add( new MenuItem(
		"Blueberry Pancakes",
		"Pancakes made with fresh blueberries, and blueberry syrup",
		true,
		3.49) );
	pancakeHouseMenu->add( new MenuItem(
		"Waffles",
		"Waffles, with your choice of blueberries or strawberries",
		true,
		3.59) );
	dinerMenu->add( new MenuItem(
		"Vegetarian BLT",
		"(Fakin') Bacon with lettuce & tomato on whole wheat", 
		true, 
		2.99) );
	dinerMenu->add( new MenuItem(
		"BLT",
		"Bacon with lettuce & tomato on whole wheat", 
		false, 
		2.99) );
	dinerMenu->add( new MenuItem(
		"Soup of the day",
		"A bowl of the soup of the day, with a side of potato salad", 
		false, 
		3.29) );
	dinerMenu->add( new MenuItem(
		"Hotdog",
		"A hot dog, with saurkraut, relish, onions, topped with cheese",
		false, 
		3.05) );
	dinerMenu->add( new MenuItem(
		"Steamed Veggies and Brown Rice",
		"Steamed vegetables over brown rice", 
		true, 
		3.99) );
	dinerMenu->add( new MenuItem(
		"Pasta",
		"Spaghetti with Marinara Sauce, and a slice of sourdough bread",
		true, 
		3.89) );

	dinerMenu->add( dessertMenu.get() );

	dessertMenu->add( new MenuItem(
		"Apple Pie",
		"Apple pie with a flakey crust, topped with vanilla icecream",
		true,
		1.59) );
	dessertMenu->add( new MenuItem(
		"Cheesecake",
		"Creamy New York cheesecake, with a chocolate graham crust",
		true,
		1.99) );
	dessertMenu->add( new MenuItem(
		"Sorbet",
		"A scoop of raspberry and a scoop of lime",
		true,
		1.89) );
	cafeMenu->add( new MenuItem(
		"Veggie Burger and Air Fries",
		"Veggie burger on a whole wheat bun, lettuce, tomato, and fries",
		true, 
		3.99) );
	cafeMenu->add( new MenuItem(
		"Soup of the day",
		"A cup of the soup of the day, with a side salad",
		false, 
		3.69) );
	cafeMenu->add( new MenuItem(
		"Burrito",
		"A large burrito, with whole pinto beans, salsa, guacamole",
		true, 
		4.29) );

	cafeMenu->add( coffeeMenu.get() );

	coffeeMenu->add( new MenuItem(
		"Coffee Cake",
		"Crumbly cake topped with cinnamon and walnuts",
		true,
		1.59) );
	coffeeMenu->add( new MenuItem(
		"Bagel",
		"Flavors include sesame, poppyseed, cinnamon raisin, pumpkin",
		false,
		0.69) );
	coffeeMenu->add( new MenuItem(
		"Biscotti",
		"Three almond or hazelnut biscotti cookies",
		true,
		0.89) );

	std::auto_ptr< Waitress > waitress( new Waitress(allMenus.get() ) );
	waitress->printMenu();

	return 0;
}