1 /* 2 * Copyright (C) 2009 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_DICTIONARY_H 18 #define LATINIME_DICTIONARY_H 19 20 #include <map> 21 22 #include "bigram_dictionary.h" 23 #include "char_utils.h" 24 #include "correction.h" 25 #include "defines.h" 26 #include "proximity_info.h" 27 #include "unigram_dictionary.h" 28 #include "words_priority_queue_pool.h" 29 30 namespace latinime { 31 32 class Dictionary { 33 public: 34 Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust, int typedLetterMultipler, 35 int fullWordMultiplier, int maxWordLength, int maxWords); 36 37 int getSuggestions(ProximityInfo *proximityInfo, int *xcoordinates, int *ycoordinates, 38 int *codes, int codesSize, const int32_t* prevWordChars, const int prevWordLength, 39 bool useFullEditDistance, unsigned short *outWords, int *frequencies) { 40 std::map<int, int> bigramMap; 41 uint8_t bigramFilter[BIGRAM_FILTER_BYTE_SIZE]; 42 mBigramDictionary->fillBigramAddressToFrequencyMapAndFilter(prevWordChars, 43 prevWordLength, &bigramMap, bigramFilter); 44 return mUnigramDictionary->getSuggestions(proximityInfo, mWordsPriorityQueuePool, 45 mCorrection, xcoordinates, ycoordinates, codes, codesSize, &bigramMap, 46 bigramFilter, useFullEditDistance, outWords, frequencies); 47 } 48 49 int getBigrams(const int32_t *word, int length, int *codes, int codesSize, 50 unsigned short *outWords, int *frequencies, int maxWordLength, int maxBigrams) { 51 return mBigramDictionary->getBigrams(word, length, codes, codesSize, outWords, frequencies, 52 maxWordLength, maxBigrams); 53 } 54 55 int getFrequency(const int32_t *word, int length); 56 bool isValidBigram(const int32_t *word1, int length1, const int32_t *word2, int length2); 57 void *getDict() { return (void *)mDict; } 58 int getDictSize() { return mDictSize; } 59 int getMmapFd() { return mMmapFd; } 60 int getDictBufAdjust() { return mDictBufAdjust; } 61 ~Dictionary(); 62 63 // public static utility methods 64 // static inline methods should be defined in the header file 65 static int wideStrLen(unsigned short *str); 66 67 private: 68 const unsigned char *mDict; 69 70 // Used only for the mmap version of dictionary loading, but we use these as dummy variables 71 // also for the malloc version. 72 const int mDictSize; 73 const int mMmapFd; 74 const int mDictBufAdjust; 75 76 UnigramDictionary *mUnigramDictionary; 77 BigramDictionary *mBigramDictionary; 78 WordsPriorityQueuePool *mWordsPriorityQueuePool; 79 Correction *mCorrection; 80 }; 81 82 // public static utility methods 83 // static inline methods should be defined in the header file 84 inline int Dictionary::wideStrLen(unsigned short *str) { 85 if (!str) return 0; 86 unsigned short *end = str; 87 while (*end) 88 end++; 89 return end - str; 90 } 91 } // namespace latinime 92 93 #endif // LATINIME_DICTIONARY_H 94
