/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef LATINIME_BIGRAM_DICTIONARY_H
#define LATINIME_BIGRAM_DICTIONARY_H

#include "defines.h"

namespace latinime {

class DictionaryStructureWithBufferPolicy;

class BigramDictionary {
 public:
    BigramDictionary(const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy);

    int getPredictions(const int *word, int length, int *outBigramCodePoints,
            int *outBigramProbability, int *outputTypes) const;
    int getBigramProbability(const int *word1, int length1, const int *word2, int length2) const;
    ~BigramDictionary();

 private:
    DISALLOW_IMPLICIT_CONSTRUCTORS(BigramDictionary);

    void addWordBigram(int *word, int length, int probability, int *bigramProbability,
            int *bigramCodePoints, int *outputTypes) const;
    int getBigramListPositionForWord(const int *prevWord, const int prevWordLength,
            const bool forceLowerCaseSearch) const;

    const DictionaryStructureWithBufferPolicy *const mDictionaryStructurePolicy;
};
} // namespace latinime
#endif // LATINIME_BIGRAM_DICTIONARY_H