95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LATINIME_DICTIONARY_H
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#define LATINIME_DICTIONARY_H
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#include <map>
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#include "bigram_dictionary.h"
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#include "char_utils.h"
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#include "defines.h"
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#include "proximity_info.h"
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#include "unigram_dictionary.h"
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#include "words_priority_queue_pool.h"
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namespace latinime {
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class Dictionary {
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public:
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Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust, int typedLetterMultipler,
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int fullWordMultiplier, int maxWordLength, int maxWords);
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int getSuggestions(ProximityInfo *proximityInfo, int *xcoordinates, int *ycoordinates,
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int *times, int *pointerIds, int *codes, int codesSize, int *prevWordChars,
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int prevWordLength, int commitPoint, bool isGesture, int dicTypeId,
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bool useFullEditDistance, unsigned short *outWords,
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int *frequencies, int *spaceIndices) {
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int result = 0;
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std::map<int, int> bigramMap;
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uint8_t bigramFilter[BIGRAM_FILTER_BYTE_SIZE];
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mBigramDictionary->fillBigramAddressToFrequencyMapAndFilter(prevWordChars,
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prevWordLength, &bigramMap, bigramFilter);
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result = mUnigramDictionary->getSuggestions(proximityInfo, xcoordinates,
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ycoordinates, codes, codesSize, &bigramMap, bigramFilter,
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useFullEditDistance, outWords, frequencies);
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return result;
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}
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int getBigrams(const int32_t *word, int length, int *codes, int codesSize,
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unsigned short *outWords, int *frequencies, int maxWordLength, int maxBigrams) const {
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return mBigramDictionary->getBigrams(word, length, codes, codesSize, outWords, frequencies,
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maxWordLength, maxBigrams);
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}
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int getFrequency(const int32_t *word, int length) const;
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bool isValidBigram(const int32_t *word1, int length1, const int32_t *word2, int length2) const;
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void *getDict() const { return (void *)mDict; }
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int getDictSize() const { return mDictSize; }
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int getMmapFd() const { return mMmapFd; }
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int getDictBufAdjust() const { return mDictBufAdjust; }
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~Dictionary();
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// public static utility methods
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// static inline methods should be defined in the header file
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static int wideStrLen(unsigned short *str);
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private:
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DISALLOW_IMPLICIT_CONSTRUCTORS(Dictionary);
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const unsigned char *mDict;
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// Used only for the mmap version of dictionary loading, but we use these as dummy variables
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// also for the malloc version.
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const int mDictSize;
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const int mMmapFd;
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const int mDictBufAdjust;
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const UnigramDictionary *mUnigramDictionary;
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const BigramDictionary *mBigramDictionary;
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};
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// public static utility methods
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// static inline methods should be defined in the header file
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inline int Dictionary::wideStrLen(unsigned short *str) {
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if (!str) return 0;
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unsigned short *end = str;
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while (*end)
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end++;
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return end - str;
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}
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} // namespace latinime
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#endif // LATINIME_DICTIONARY_H
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