videotypeimp.cpp

这是学习《Data Structures Using C++》

#include <iostream>
#include <string>
#include "videoType.h"

using namespace std;

void videoType::setVideoInfo(string title, string star1,  				    
							 string star2, string producer,  				    
							 string director, string productionCo, 				    
							 int setInStock) 
{ 	     
	videoTitle = title; 	     
	movieStar1 = star1;
	movieStar2 = star2;
	movieProducer = producer;
	movieDirector = director;
	movieProductionCo = productionCo;
	copiesInStock = setInStock;
}

void videoType::checkOut()
{
	if(getNoOfCopiesInStock() > 0)
	   copiesInStock--;
	else
	   cout<<"Currently out of stock"<<endl;
}

void videoType::checkIn()
{
	copiesInStock++;
}

int videoType::getNoOfCopiesInStock() const
{
	return copiesInStock;
}

void videoType::printTitle() const
{
    cout<<"Video Title: "<<videoTitle<<endl;
}

void videoType::printInfo() const
{
	cout<<"Video Title: "<<videoTitle<<endl;
	cout<<"Stars: "<<movieStar1<<" and "<<movieStar2<<endl;
	cout<<"Producer: "<<movieProducer<<endl;
	cout<<"Director: "<<movieDirector<<endl;
	cout<<"Production Company: "<<movieProductionCo<<endl;
	cout<<"Copies in stock: "<<copiesInStock<<endl;
}

bool videoType::checkTitle(string title)
{
	return(videoTitle == title);
}

void videoType::updateInStock(int num)
{
	copiesInStock += num;
}

void videoType::setCopiesInStock(int num)
{
	 copiesInStock = num;
}

string videoType::getTitle()
{
	 return videoTitle;
}

videoType::videoType(string title, string star1, 
     	             string star2, string producer, 
       	             string director,
	                 string productionCo, int setInStock)
{
	setVideoInfo(title, star1, star2, producer, director,
			     productionCo, setInStock);
}

bool videoType::operator==(const videoType& other) const
{
	return (videoTitle == other.videoTitle);
}

bool videoType::operator!=(const videoType& other) const
{
	return (videoTitle != other.videoTitle);
}

ostream& operator<<(ostream& os, const videoType& video)
{
	os<<endl;
	os<<"Video Title: "<<video.videoTitle<<endl;
	os<<"Stars: "<<video.movieStar1<<" and "
	  <<video.movieStar2<<endl;
	os<<"Producer: "<<video.movieProducer<<endl;
	os<<"Director: "<<video.movieDirector<<endl;
	os<<"Production Company: "<<video.movieProductionCo<<endl;
	os<<"Copies in stock: "<<video.copiesInStock<<endl;
	os<<"_____________________________________"<<endl;
	return os;
}