/*
 **************************************************************************
 * Program name : 060_Class_Time (Version 1.00)                           *
 * Author       : Duck Wong                                               *
 * Language     : C / C++                                                 *
 * Compiler     : Boodshed Dec-C++ compiler Ver 3.95                      *
 * Computer     : PII350                                                  *
 * O/S          : Windows 98                                              *
 **************************************************************************
 * Version 1.00 : 2001/02/11 - first version                              *
 **************************************************************************
 * Description  : (a) set the initial time                                *
 *                (b) get the current time                                *
 *                (c) Ouput results                                       *
 *                (d) try again ?                                         *
 **************************************************************************
*/
#include <iostream.h>
#include <stdlib.h>

class Time {                   // public functions that can be called
  public:                      // antwhere in the programe
    Time ();                   // Nothing is placed before Time()
    void getTime ();
    void printMilitary ();
    void printStandard ();     // private data / function area
  private:                     // direct access from the main is NOT allowed
    int hour;
    int minute;
    int second;
};

  Time::Time()
    {hour=0;
     minute=0;
     second=0;
    };

  void Time::getTime ()
    {
     cout << "\nEnter the current time 24-hr format : ";
     cout << "\n\tHour   : ";
     cin  >> hour;
     cout << "\n\tminute : ";
     cin  >> minute;
     cout << "\n\tsecond : ";
     cin  >> second;
     if ((hour<0)    || (hour >23) || (minute<0) ||
         (minute>59) || (second<0) || (second>59))
       {
        cout << "\nError detected!\n" ;
        hour = minute = second = 0;
       }
    }

  void Time::printMilitary()
    {
     cout << (hour<10?"0":"") << hour << ":"
          << (minute<10?"0":"") << minute << ":"
          << (second<10?"0":"") << second << endl;
    }

  void Time::printStandard()
    {
     cout << ((hour==0||hour==12)? 12:hour%12)<< ":"
          << (minute<10?"0":"") << minute << ":"
          << (second<10?"0":"") << second << (hour>12?"PM":"AM") << endl;
    }


int main ()
  {
   Time t;
   cout << "\n\nThe initial military time is " ;
   t.printMilitary ();
   cout << "\nThe initial standard time is " ;
   t.printStandard ();

   char Again;
   do {
       t.getTime();
       cout << "\n\nThe new military time is " ;
       t.printMilitary ();
       cout << "\nThe new standard time is " ;
       t.printStandard ();
       cout << "\n\n" << endl;
       cout << "Try again (Y/N) ? ";
       cin  >> Again;
      } while ((Again == 'Y') || (Again == 'y'));

  system("PAUSE");
  return 0;
}