payroll.cpp

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// Tutorial 17: Payroll.cpp
// Stores employee information and calculates payroll for
// employees of various types.
#include <iostream> // required to perform C++-style stream I/O
#include <iomanip>  // required for parameterized stream manipulators
  
using namespace std; // for accessing C++ Standard Library members

const int ARRAY_SIZE = 10; // maximum number of employees

// function prototypes
int createEmployee( SalariedEmployee * [], int );
void displayEmployees( SalariedEmployee * [], int );

// function main begins program execution
int main()
{
   int count = 0;     // stores the number of employees entered
   int selection = 0; // stores the user's menu selection

   // format output as currency
   cout << fixed << setprecision( 2 );

   while ( selection != 3 )
   {
      cout << "\nSelect one of the following options" << endl;
      cout << "1 - Enter new employee information" << endl;
      cout << "2 - View payroll" << endl;
      cout << "3 - Exit the application" << endl;
      cout << "Enter selection: ";
      cin >> selection;

      switch ( selection )
      {
         // enter employee information
         case 1: 
            // ensure that there is space in the array
            if ( count < ARRAY_SIZE )
            {
               count += createEmployee( employees, count );
            } // end if
            else 
            {
               cout << "Error: You cannot enter any more employees."
                    << endl;
            } // end else
            
            break;

          // view payroll
         case 2: 
            displayEmployees( employees, count ); 
            
            break;

         // exit
         case 3:  
            
            break;

         default: 
            cout << "Error: Enter a valid menu selection";
      
      } // end switch

   } // end while
 
   return 0; // indicate that program ended successfully

} // end function main

int createEmployee( SalariedEmployee *employees[], int index )
{
   // define variables
   string firstName; // stores the employee's first name
   string lastName;  // stores the employee's last name
   string SSN;       // stores the employee's social security number
   double salary;    // stores the employee's salary

   cin.ignore(); // remove newline

   // prompt user for and store generic Employee information
   cout << "\nEnter employee's first name: ";
   getline( cin, firstName ); // get first name

   cout << "Enter employee's last name: ";
   getline( cin, lastName ); // get last name

   cout << "Enter employee's social security number: ";
   getline ( cin, SSN ); // get SSN

   // prompt user for and store the salary
   cout << "Enter salary: ";
   cin >> salary;

   return 1; // indicate that employee was created successfully

} // end function createEmployee

void displayEmployees( SalariedEmployee *employees[], int count )
{
   double total = 0.0; // stores the total payroll

   // ensure that employees have been entered before printing
   if ( count > 0 )
   {

   } // end if
   else
   {
      cout << "Error: You must enter at least one employee first."
           << endl;
   } // end else

} // end function displayEmployees

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