/**
 * p2.cpp (7-dec-2010/sklar)
 *
 * this program demonstrates the use of simple classes in C++. the example is
 * similar to p1.cpp, but instead of using separate variables, we group the 
 * related variables together into a single class.
 *
 */

#include <iostream>
#include <string>
using namespace std;

// class definition
class person {
public:
  string last_name;
  string first_name;
  string cell_number;
  string email;
  string home_number; 
  string work_number;
  int birth_day;
  int birth_month;
  int birth_year;
}; // end of person class definition

// function prototypes
void readData( person & );
void writeData( person );


int main() {
  person natalie;
  readData( natalie );
  writeData( natalie );
} // end of main()


/**
 * readData()
 *
 * this function prompts the user for input and reads their answers.
 * values entered are returned to calling function using a call-by-reference
 * "person" object argument.
 *
 */
void readData( person &chris ) {
  cout << "enter last name: ";
  cin >> chris.last_name;
  cout << "enter first name: ";
  cin >> chris.first_name;
  cout << "enter cell number: ";
  cin >> p.cell_number;
  cout << "enter email: ";
  cin >> p.email;
  cout << "enter home number: ";
  cin >> p.home_number;
  cout << "enter work number: ";
  cin >> p.work_number;
  cout << "enter birthday (DD MM YY): ";
  cin >> p.birth_day;
  cin >> p.birth_month;
  cin >> p.birth_year;
  cout << "thanks!" << endl;
} // end of readData()


/**
 * writeData()
 *
 * this function displays the values of its arguments on the screen,
 * formatted in a user-friendly way.
 *
 */
void writeData( person p ) {
  cout << "name:  " << p.first_name << " " << p.last_name << endl;
  cout << "phone: " << p.cell_number << " (C)\n";
  cout << "       " << p.home_number << " (H)\n";
  cout << "       " << p.work_number << " (W)\n";
  cout << "email: " << p.email << endl;
  cout << "birthday: " << p.birth_day << "/" << p.birth_month << "/" <<
    p.birth_year << endl;
} // end of writeData()