ducks.cpp

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。」· C++ 代码 · 共 38 行

#include "Ducks.hpp"

using namespace HeadFirstDesignPatterns::Adapter::Ducks;

void testDuck( const Duck* duck ) {
	duck->quack();
	duck->fly();
}

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

	std::auto_ptr< MallardDuck > duck( new MallardDuck() );

#ifdef _DUCK_ADAPTER_
	std::auto_ptr< Turkey > duckAdapter( new DuckAdapter( duck.get() ) );
 
	for( int i = 0; i < 10; i++ ) {
		std::cout << "The DuckAdapter says..." << std::endl;
		duckAdapter->gobble();
		duckAdapter->fly();
	}
#else
	std::auto_ptr< WildTurkey > turkey( new WildTurkey() );
	std::auto_ptr< Duck > turkeyAdapter( new TurkeyAdapter( turkey.get() ) );

	std::cout << "The Turkey says..." << std::endl;
	turkey->gobble();
	turkey->fly();

	std::cout << std::endl << "The Duck says..." << std::endl;
	testDuck( duck.get() );

	std::cout << std::endl << "The TurkeyAdapter says..." << std::endl;
	testDuck( turkeyAdapter.get() );
#endif

	return 0;
}