doublylinkedlistnode.h

/****************************************************************************
*																			*
*	File:		doublylinkedlistnode.h										*
*																			*
*	Author:		Robb T. Koether												*
*																			*
*	Date:		Mar 8, 2007													*
*																			*
*	Purpose:	This file defines the DoublyLinkedListNode template class	*
*																			*
****************************************************************************/

#ifndef DOUBLYLINKEDLISTNODE_H
#define DOUBLYLINKEDLISTNODE_H

//	Header files

#include <iostream>

//	Forward class definitions

template <class T>
class DoublyLinkedList;

template <class T>
class CircLinkedList;

using namespace std;

/****************************************************************************
*																			*
*	The DoublyLinkedListNode class definition								*
*																			*
****************************************************************************/

template <class T>
class DoublyLinkedListNode
{
//	Friends

	friend class DoublyLinkedList<T>;
	friend class CircLinkedList<T>;

//	Public member functions

	public:
	
		T& value() {return data;}
		DoublyLinkedListNode<T>* nextNode() {return next;}
		DoublyLinkedListNode<T>* prevNode() {return prev;}

//	Private member functions

	private:
	
		DoublyLinkedListNode(const T& value = T())
			{data = value; next = prev = NULL;}

//	Data members

	private:
	
		T data;
		DoublyLinkedListNode<T>* next;
		DoublyLinkedListNode<T>* prev;
};

#endif