unity_table_encoder.h

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//
// Copyright RIME Developers
// Distributed under the BSD License
//
// 2013-08-31 GONG Chen <chen.sst@gmail.com>
//
#ifndef RIME_UNITY_TABLE_ENCODER_H_
#define RIME_UNITY_TABLE_ENCODER_H_
 
#include <rime/common.h>
#include <rime/algo/encoder.h>
 
namespace rime {
 
struct Ticket;
class ReverseLookupDictionary;
class UserDictionary;
 
class UnityTableEncoder : public TableEncoder, public PhraseCollector {
 public:
  UnityTableEncoder(UserDictionary* user_dict);
  ~UnityTableEncoder();
 
  bool Load(const Ticket& ticket);
 
  void CreateEntry(const string& word,
                   const string& code_str,
                   const string& weight_str);
  bool TranslateWord(const string& word, vector<string>* code);
 
  size_t LookupPhrases(UserDictEntryIterator* result,
                       const string& input,
                       bool predictive,
                       size_t limit = 0,
                       string* resume_key = NULL);
 
  static bool HasPrefix(const string& key);
  static bool AddPrefix(string* key);
  static bool RemovePrefix(string* key);
 
 protected:
  UserDictionary* user_dict_;
  the<ReverseLookupDictionary> rev_dict_;
};
 
}  // namespace rime
 
#endif  // RIME_UNITY_TABLE_ENCODER_H_