reverse_list_iterator.h

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// Based on "Design Patterns: Elements of Reusable Object-Oriented Software"
// book by Erich Gamma, John Vlissides, Ralph Johnson, and Richard Helm 
//
// Created by Bartosz Rachwal. The National Institute of Advanced Industrial Science and Technology, Japan.

#ifndef OPERATIONAL_ITERATOR_REVERSE_LIST_ITERATOR_H_
#define OPERATIONAL_ITERATOR_REVERSE_LIST_ITERATOR_H_

#include "iterator_interface.h"
#include "list.h"

namespace operational
{
namespace iterator
{
template<class Item>
class ReverseListIterator : public IteratorInterface<Item>
{
    public:
    explicit ReverseListIterator(const List<Item>* list);
    virtual ~ReverseListIterator() override;

    virtual void First() override;
    virtual void Next() override;
    virtual bool IsDone() const override;
    virtual Item CurrentItem() const override;
};

template<class Item>
ReverseListIterator<Item>::ReverseListIterator(const List<Item>* list) { }

template<class Item>
ReverseListIterator<Item>::~ReverseListIterator() { }

template<class Item>
void ReverseListIterator<Item>::First() { }

template<class Item>
void ReverseListIterator<Item>::Next() { }

template<class Item>
bool ReverseListIterator<Item>::IsDone() const
{
    return false;
}

template<class Item>
Item ReverseListIterator<Item>::CurrentItem() const
{
    return {};
}
}
}

#endif