/********************************************************************
  Author:        Dana Vrajitoru, IUSB, CS
  Class:         C243, Spring 2012
  File name:     my_array.h
  Last updated:  January 10, 2012.
  Description:   Definition of a class that implements a safe array.
*********************************************************************/

#ifndef MY_ARRAY_H
#define MY_ARRAY_H

#include <iostream>
using namespace std;

class My_array 
{
 protected:
  int size;
  int *array;

 public:
  // Constructor with given size, can be used as default constructor.
  My_array(int the_size = 0);

  // Destructor. If the array is not empty, it must be deallocated.
  ~My_array();

  // Copy constructor
  My_array(My_array &data);

  // Assignment operator
  My_array &operator=(My_array &data);

  // Deletes the array and sets the size to 0.
  void empty();

  // Resize the array.
  void resize(int the_size = 0);

  // Access an element of the array. If the index (subscript) is out
  // of the array, it prints an error message and exits the program.
  int &operator[](int index);

  // Returns the size of the array.
  int get_size();

  // Output the elements of the array.
  void output();

  // We define this so that we can write "cout << a;" if a is an
  // object of this class.
  friend ostream &operator<<(ostream &out, My_array &data);
  //friend istream &operator>>(istream &in, My_array &data);
};

#endif