Iterator.h

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/*
 * (C) Copyright 2018 UCAR
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 */
 
#ifndef LORENZ95_ITERATOR_H_
#define LORENZ95_ITERATOR_H_
 
#include <iterator>
#include <string>
#include <vector>
 
#include "eckit/geometry/Point2.h"
 
#include "lorenz95/Resolution.h"
 
#include "oops/util/ObjectCounter.h"
#include "oops/util/Printable.h"
 
namespace lorenz95 {
 
class Resolution;
 
// -----------------------------------------------------------------------------
class Iterator: public std::iterator<std::forward_iterator_tag,
                                     eckit::geometry::Point2>,
                public util::Printable,
                private util::ObjectCounter<Iterator> {
 public:
  static const std::string classname() {return "lorenz95::Iterator";}
 
  explicit Iterator(const Resolution & res, const int & index = 0);
  ~Iterator();
 
  bool operator==(const Iterator &) const;
  bool operator!=(const Iterator &) const;
  eckit::geometry::Point2 operator*() const;
  Iterator& operator++();
 
  int index() const {return index_;}
 
 private:
  void print(std::ostream & os) const {os << index_;}
  const int res_;
  int index_;
};
 
}  // namespace lorenz95
 
#endif  // LORENZ95_ITERATOR_H_