reverse_lookup_filter.h

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//
// Copyright RIME Developers
// Distributed under the BSD License
//
// 2013-11-05 GONG Chen <chen.sst@gmail.com>
//
#ifndef RIME_REVERSE_LOOKUP_FILTER_H_
#define RIME_REVERSE_LOOKUP_FILTER_H_
 
#include <rime/common.h>
#include <rime/filter.h>
#include <rime/algo/algebra.h>
#include <rime/gear/filter_commons.h>
 
namespace rime {
 
class ReverseLookupDictionary;
 
class ReverseLookupFilter : public Filter, TagMatching {
 public:
  explicit ReverseLookupFilter(const Ticket& ticket);
 
  virtual an<Translation> Apply(an<Translation> translation,
                                CandidateList* candidates);
 
  virtual bool AppliesToSegment(Segment* segment) { return TagsMatch(segment); }
 
  void Process(const an<Candidate>& cand);
 
 protected:
  void Initialize();
 
  bool initialized_ = false;
  the<ReverseLookupDictionary> rev_dict_;
  // settings
  bool overwrite_comment_ = false;
  bool append_comment_ = false;
  Projection comment_formatter_;
};
 
}  // namespace rime
 
#endif  // RIME_REVERSE_LOOKUP_FILTER_H_