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() {}
 
  virtual ~AbstractLineIterator() = default;
 
  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