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// Fig. 7.18: employee2.cpp
// Member-function definitions for class Employee.
#include <iostream>
using std::cout;
using std::endl;
#include <new> // C++ standard new operator
#include <cstring> // strcpy and strlen prototypes
#include "employee2.h" // Employee class definition
// define and initialize static data member
int Employee::count = 0;
// define static member function that returns number of
// Employee objects instantiated
int Employee::getCount()
{
return count;
} // end static function getCount
// constructor dynamically allocates space for
// first and last name and uses strcpy to copy
// first and last names into the object
Employee::Employee( const char *first, const char *last )
{
firstName = new char[ strlen( first ) + 1 ];
strcpy( firstName, first );
lastName = new char[ strlen( last ) + 1 ];
strcpy( lastName, last );
++count; // increment static count of employees
cout << "Employee constructor for " << firstName
<< ' ' << lastName << " called." << endl;
} // end Employee constructor
// destructor deallocates dynamically allocated memory
Employee::~Employee()
{
cout << "~Employee() called for " << firstName
<< ' ' << lastName << endl;
delete [] firstName; // recapture memory
delete [] lastName; // recapture memory
--count; // decrement static count of employees
} // end ~Employee destructor
// return first name of employee
const char *Employee::getFirstName() const
{
// const before return type prevents client from modifying
// private data; client should copy returned string before
// destructor deletes storage to prevent undefined pointer
return firstName;
} // end function getFirstName
// return last name of employee
const char *Employee::getLastName() const
{
// const before return type prevents client from modifying
// private data; client should copy returned string before
// destructor deletes storage to prevent undefined pointer
return lastName;
} // end function getLastName
/**************************************************************************
* (C) Copyright 1992-2003 by Deitel & Associates, Inc. and Prentice *
* Hall. All Rights Reserved. *
* *
* DISCLAIMER: The authors and publisher of this book have used their *
* best efforts in preparing the book. These efforts include the *
* development, research, and testing of the theories and programs *
* to determine their effectiveness. The authors and publisher make *
* no warranty of any kind, expressed or implied, with regard to these *
* programs or to the documentation contained in these books. The authors *
* and publisher shall not be liable in any event for incidental or *
* consequential damages in connection with, or arising out of, the *
* furnishing, performance, or use of these programs. *
*************************************************************************/
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