abstract_line_iterator.h

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#ifndef NAV_GRID_ITERATORS_LINE_ABSTRACT_LINE_ITERATOR_H
#define NAV_GRID_ITERATORS_LINE_ABSTRACT_LINE_ITERATOR_H

#include <nav_grid/index.h>

namespace nav_grid_iterators
{
class AbstractLineIterator
{
public:
  AbstractLineIterator() {}

  const nav_grid::SignedIndex& operator*() const { return index_; }

  virtual nav_grid::SignedIndex getFinalIndex() const = 0;

  bool isFinished()
  {
    return getFinalIndex() == index_;
  }

  virtual void increment() = 0;

protected:
  explicit AbstractLineIterator(nav_grid::SignedIndex index) : index_(index) {}
  nav_grid::SignedIndex index_;
};

}  // namespace nav_grid_iterators

#endif  // NAV_GRID_ITERATORS_LINE_ABSTRACT_LINE_ITERATOR_H