//
// dateclass1.cpp
//
// This program contains the definition and implementation
// of a simple date class.  
//

#include <iostream.h>

class date {

private:
  int month;
  int day;
  int year;
public:
  date();
  int getDay();    
  int getMonth();
  int getYear();
  void set(int newMonth, int newDay, int newYear);
};


//
// This is the definition of the constructor function.
//
date::date()
{
  month = 0;
  day = 0;
  year = 0;
}

//
// These are the definitions of the three accessor
// functions.
//
int date::getDay()
{
  return day;
}

int date::getMonth()
{
  return month;
}

int date::getYear()
{
  return year;
}

//
// set sets the date object to the month, day,
// and year passed as parameters if it's a 
// legal date. 
//
void date::set(int newMonth, int newDay, int newYear)
{
  if (newMonth >= 1 && newMonth <= 12 &&
      newDay >= 1 && newDay <= 31 &&
      newYear > 0) {
    month = newMonth;
    day = newDay;
    year = newYear;
  }
  return;
}

//
// This overloads the << operator so that
// dates can be printed using it.
//
ostream& operator<<(ostream& out, date d)
{
  out << d.getMonth() << "/"
      << d.getDay() << "/"
      << d.getYear();
  return out;
}

//
// This overloads the >> operator so that
// date in the form 99/99/99 can be input using it.
//
istream& operator>>(istream& in, date& d)
{
  char c;
  int month, day, year;

  in >> month >> c >> day >> c >> year;
  d.set(month, day, year);
  return in;
}

int main()
{
  date anyDate;
  int month, day, year;
  
  cout << "Please enter a date as month/day/year: ";
  cin >> anyDate;
  
  cout << "That date is: " << anyDate << endl;
  return 0;
}