| /* |
| * Copyright (C) 2009 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_DICTIONARY_H |
| #define LATINIME_DICTIONARY_H |
| |
| #include <memory> |
| |
| #include "defines.h" |
| #include "jni.h" |
| #include "suggest/core/dictionary/ngram_listener.h" |
| #include "suggest/core/dictionary/property/historical_info.h" |
| #include "suggest/core/dictionary/property/word_property.h" |
| #include "suggest/core/policy/dictionary_header_structure_policy.h" |
| #include "suggest/core/policy/dictionary_structure_with_buffer_policy.h" |
| #include "suggest/core/suggest_interface.h" |
| #include "utils/int_array_view.h" |
| |
| namespace latinime { |
| |
| class DictionaryStructureWithBufferPolicy; |
| class DicTraverseSession; |
| class NgramContext; |
| class ProximityInfo; |
| class SuggestionResults; |
| class SuggestOptions; |
| |
| class Dictionary { |
| public: |
| // Taken from SuggestedWords.java |
| static const int KIND_MASK_KIND = 0xFF; // Mask to get only the kind |
| static const int KIND_TYPED = 0; // What user typed |
| static const int KIND_CORRECTION = 1; // Simple correction/suggestion |
| static const int KIND_COMPLETION = 2; // Completion (suggestion with appended chars) |
| static const int KIND_WHITELIST = 3; // Whitelisted word |
| static const int KIND_BLACKLIST = 4; // Blacklisted word |
| static const int KIND_HARDCODED = 5; // Hardcoded suggestion, e.g. punctuation |
| static const int KIND_APP_DEFINED = 6; // Suggested by the application |
| static const int KIND_SHORTCUT = 7; // A shortcut |
| static const int KIND_PREDICTION = 8; // A prediction (== a suggestion with no input) |
| // KIND_RESUMED: A resumed suggestion (comes from a span, currently this type is used only |
| // in java for re-correction) |
| static const int KIND_RESUMED = 9; |
| static const int KIND_OOV_CORRECTION = 10; // Most probable string correction |
| |
| static const int KIND_MASK_FLAGS = 0xFFFFFF00; // Mask to get the flags |
| static const int KIND_FLAG_POSSIBLY_OFFENSIVE = 0x80000000; |
| static const int KIND_FLAG_EXACT_MATCH = 0x40000000; |
| static const int KIND_FLAG_EXACT_MATCH_WITH_INTENTIONAL_OMISSION = 0x20000000; |
| |
| Dictionary(JNIEnv *env, DictionaryStructureWithBufferPolicy::StructurePolicyPtr |
| dictionaryStructureWithBufferPolicy); |
| |
| void getSuggestions(ProximityInfo *proximityInfo, DicTraverseSession *traverseSession, |
| int *xcoordinates, int *ycoordinates, int *times, int *pointerIds, int *inputCodePoints, |
| int inputSize, const NgramContext *const ngramContext, |
| const SuggestOptions *const suggestOptions, const float weightOfLangModelVsSpatialModel, |
| SuggestionResults *const outSuggestionResults) const; |
| |
| void getPredictions(const NgramContext *const ngramContext, |
| SuggestionResults *const outSuggestionResults) const; |
| |
| int getProbability(const CodePointArrayView codePoints) const; |
| |
| int getMaxProbabilityOfExactMatches(const CodePointArrayView codePoints) const; |
| |
| int getNgramProbability(const NgramContext *const ngramContext, |
| const CodePointArrayView codePoints) const; |
| |
| bool addUnigramEntry(const CodePointArrayView codePoints, |
| const UnigramProperty *const unigramProperty); |
| |
| bool removeUnigramEntry(const CodePointArrayView codePoints); |
| |
| bool addNgramEntry(const NgramProperty *const ngramProperty); |
| |
| bool removeNgramEntry(const NgramContext *const ngramContext, |
| const CodePointArrayView codePoints); |
| |
| bool updateEntriesForWordWithNgramContext(const NgramContext *const ngramContext, |
| const CodePointArrayView codePoints, const bool isValidWord, |
| const HistoricalInfo historicalInfo); |
| |
| bool flush(const char *const filePath); |
| |
| bool flushWithGC(const char *const filePath); |
| |
| bool needsToRunGC(const bool mindsBlockByGC); |
| |
| void getProperty(const char *const query, const int queryLength, char *const outResult, |
| const int maxResultLength); |
| |
| const WordProperty getWordProperty(const CodePointArrayView codePoints); |
| |
| // Method to iterate all words in the dictionary. |
| // The returned token has to be used to get the next word. If token is 0, this method newly |
| // starts iterating the dictionary. |
| int getNextWordAndNextToken(const int token, int *const outCodePoints, |
| int *const outCodePointCount); |
| |
| const DictionaryStructureWithBufferPolicy *getDictionaryStructurePolicy() const { |
| return mDictionaryStructureWithBufferPolicy.get(); |
| } |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Dictionary); |
| |
| typedef std::unique_ptr<SuggestInterface> SuggestInterfacePtr; |
| |
| class NgramListenerForPrediction : public NgramListener { |
| public: |
| NgramListenerForPrediction(const NgramContext *const ngramContext, |
| const WordIdArrayView prevWordIds, SuggestionResults *const suggestionResults, |
| const DictionaryStructureWithBufferPolicy *const dictStructurePolicy); |
| virtual void onVisitEntry(const int ngramProbability, const int targetWordId); |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(NgramListenerForPrediction); |
| |
| const NgramContext *const mNgramContext; |
| const WordIdArrayView mPrevWordIds; |
| SuggestionResults *const mSuggestionResults; |
| const DictionaryStructureWithBufferPolicy *const mDictStructurePolicy; |
| }; |
| |
| static const int HEADER_ATTRIBUTE_BUFFER_SIZE; |
| |
| const DictionaryStructureWithBufferPolicy::StructurePolicyPtr |
| mDictionaryStructureWithBufferPolicy; |
| const SuggestInterfacePtr mGestureSuggest; |
| const SuggestInterfacePtr mTypingSuggest; |
| |
| void logDictionaryInfo(JNIEnv *const env) const; |
| }; |
| } // namespace latinime |
| #endif // LATINIME_DICTIONARY_H |