teawithhook.hpp

来自「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。」· HPP 代码 · 共 39 行

#ifndef	_HFDP_CPP_TEMPLATE_BARISTA_TEA_WITH_HOOK_HPP_
#define _HFDP_CPP_TEMPLATE_BARISTA_TEA_WITH_HOOK_HPP_

#include "Barista.hpp"

namespace HeadFirstDesignPatterns {
namespace Template {
namespace Barista {

class TeaWithHook : public CaffeineBeverageWithHook {

 	public: void brew() const {
		std::cout << "Steeping the tea" << std::endl;
	}
 	public: void addCondiments() const {
		std::cout << "Adding Lemon" << std::endl;
	}
  	public: bool customerWantsCondiments() const {
		bool value = false;
		std::string answer = getUserInput();
		if( answer.find('y') != -1 ) {
			value = true;
		}
		return value;
	}
	private: std::string getUserInput() const {
		std::string value;
		std::cout << "Would you like lemon with your tea (y/n)? " << std::endl;
		std::cin >> value;
		return value;
	}
};

} // namespace Barista
} // namespace Template
} // namespace HeadFirstDesignPatterns

#endif