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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef LATINIME_BIGRAM_DICTIONARY_H
     18 #define LATINIME_BIGRAM_DICTIONARY_H
     19 
     20 #include "defines.h"
     21 
     22 namespace latinime {
     23 
     24 class DictionaryStructureWithBufferPolicy;
     25 
     26 class BigramDictionary {
     27  public:
     28     BigramDictionary(const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy);
     29 
     30     int getPredictions(const int *word, int length, int *outBigramCodePoints,
     31             int *outBigramProbability, int *outputTypes) const;
     32     int getBigramProbability(const int *word1, int length1, const int *word2, int length2) const;
     33     ~BigramDictionary();
     34 
     35  private:
     36     DISALLOW_IMPLICIT_CONSTRUCTORS(BigramDictionary);
     37 
     38     void addWordBigram(int *word, int length, int probability, int *bigramProbability,
     39             int *bigramCodePoints, int *outputTypes) const;
     40     int getBigramListPositionForWord(const int *prevWord, const int prevWordLength,
     41             const bool forceLowerCaseSearch) const;
     42 
     43     const DictionaryStructureWithBufferPolicy *const mDictionaryStructurePolicy;
     44 };
     45 } // namespace latinime
     46 #endif // LATINIME_BIGRAM_DICTIONARY_H
     47