action_utils.h

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#ifndef __ZGEN_SHIFTREDUCE_TYPES_ACTION_UTILS_H__
#define __ZGEN_SHIFTREDUCE_TYPES_ACTION_UTILS_H__

#include "shiftreduce/types/action.h"
#include "shiftreduce/types/internal_types.h"

namespace ZGen {

namespace ShiftReduce {

class ActionUtils {
public:
  static bool is_shift(const action_t& act);

  static bool is_left_arc(const action_t & act);

  static bool is_right_arc(const action_t & act);

  static int get_correct_actions(const dependency_t& reference,
      action_sequence_t& actions);

private:
  static void get_correct_actions_travel(int root,
      const dependency_t& reference,
      const std::vector<std::vector<int> > & tree,
      action_sequence_t& actions);
};

} //  end for namespace ShiftReduce
} //  end for namespace ZGen

#endif  //  end for __ZGEN_SHIFTREDUCE_TYPES_ACTION_UTILS_H__