futokb/native/jni/src/bigram_dictionary.h
Keisuke Kuroyanagi 0ecfb94247 Use BinaryDictonaryInfo instead of raw pointers.
Bug: 6669677

Change-Id: I9792a872f1609de7c1ba0fc08d916047d6724c0b
2013-06-02 16:34:42 -07:00

54 lines
2.0 KiB
C++

/*
* 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 <map>
#include <stdint.h>
#include "defines.h"
namespace latinime {
class BinaryDictionaryInfo;
class BigramDictionary {
public:
BigramDictionary(const BinaryDictionaryInfo *const binaryDictionaryInfo);
int getBigrams(const int *word, int length, int *inputCodePoints, int inputSize, int *outWords,
int *frequencies, int *outputTypes) const;
void fillBigramAddressToProbabilityMapAndFilter(const int *prevWord, const int prevWordLength,
std::map<int, int> *map, uint8_t *filter) const;
bool isValidBigram(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;
bool checkFirstCharacter(int *word, int *inputCodePoints) const;
int getBigramListPositionForWord(const int *prevWord, const int prevWordLength,
const bool forceLowerCaseSearch) const;
const BinaryDictionaryInfo *const mBinaryDictionaryInfo;
// TODO: Re-implement proximity correction for bigram correction
static const int MAX_ALTERNATIVES = 1;
};
} // namespace latinime
#endif // LATINIME_BIGRAM_DICTIONARY_H