state_iterator.h

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#ifndef LIBLEVENSHTEIN_TRANSDUCER_STATE_ITERATOR_H
#define LIBLEVENSHTEIN_TRANSDUCER_STATE_ITERATOR_H
 
#include "liblevenshtein/transducer/position.h"
 
namespace liblevenshtein {
 
class State;
 
class StateIterator {
public:
 
  StateIterator(State* state, Position* head, StateIterator *outer = nullptr);
 
  void insert(Position *position);
 
  void remove();
 
  auto operator++() -> StateIterator &;
 
  auto operator*() const -> Position *;
 
  auto operator==(const StateIterator &other) const -> bool;
 
private:
 
  StateIterator* _outer = nullptr;
 
  State* _state = nullptr;
 
  Position* _next = nullptr;
 
  Position* _curr = nullptr;
 
  Position* _prev = nullptr;
 
  void advance();
};
 
} // namespace liblevenshtein
 
#endif // LIBLEVENSHTEIN_TRANSDUCER_STATE_ITERATOR_H