Code Listings Chapter CPP-2

Listing  C2-2 Header file for the class GoodMemory

/** @file GoodMemory.h */
#include 
#include "ToyBox.h"
using namespace std;

class GoodMemory
{
  private:ToyBox < string > *someBoxPtr;

  public:GoodMemory ();	// Default constructor

  ~GoodMemory ();	// Destructor

  void fi xedLeak (const double &someItem);

};  // end GoodMemory

/** @file GoodMemory.cpp */
#include "GoodMemory.h"

GoodMemory::GoodMemory ():someBoxPtr (nullptr)
{
}				// end default constructor

GoodMemory::~GoodMemory ()
{
  delete someBoxPtr;
}				// end destructor

void
GoodMemory::fixedLeak (const double &someItem)
{
  someBoxPtr = new ToyBox < double >();

  someBoxPtr->setItem (someItem);
}				// end fixedLeak

/** @file PlainBox.h */
#ifndef _PLAIN_BOX
#define _PLAIN_BOX
template < class ItemType >;	// Indicates this is a template
// Declaration for the class PlainBox
class PlainBox
{
  private:
// Data field
  ItemType item;

  public:
// Default constructor
  PlainBox ();

// Parameterized constructor
  PlainBox (const ItemType & theItem);

// Mutator method that can change the value of the data fi eld
  virtual void setItem (const ItemType & theItem);

// Accessor method to get the value of the data fi eld
  virtual ItemType getItem () const;

};  // end PlainBox

#include "PlainBox.cpp"		// Include the implementation fi le
#endif