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-rw-r--r--native/jni/src/unigram_dictionary.h116
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-/*
- * 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_UNIGRAM_DICTIONARY_H
-#define LATINIME_UNIGRAM_DICTIONARY_H
-
-#include <map>
-#include <stdint.h>
-#include "defines.h"
-#include "digraph_utils.h"
-
-namespace latinime {
-
-class Correction;
-class ProximityInfo;
-class TerminalAttributes;
-class WordsPriorityQueuePool;
-
-class UnigramDictionary {
- public:
- // Error tolerances
- static const int DEFAULT_MAX_ERRORS = 2;
- static const int MAX_ERRORS_FOR_TWO_WORDS = 1;
-
- static const int FLAG_MULTIPLE_SUGGEST_ABORT = 0;
- static const int FLAG_MULTIPLE_SUGGEST_SKIP = 1;
- static const int FLAG_MULTIPLE_SUGGEST_CONTINUE = 2;
- UnigramDictionary(const uint8_t *const streamStart, const unsigned int dictFlags);
- int getProbability(const int *const inWord, const int length) const;
- int getBigramPosition(int pos, int *word, int offset, int length) const;
- int getSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *inputCodePoints, const int inputSize,
- const std::map<int, int> *bigramMap, const uint8_t *bigramFilter,
- const bool useFullEditDistance, int *outWords, int *frequencies,
- int *outputTypes) const;
- int getDictFlags() const { return DICT_FLAGS; }
- virtual ~UnigramDictionary();
-
- private:
- DISALLOW_IMPLICIT_CONSTRUCTORS(UnigramDictionary);
- void getWordSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *inputCodePoints, const int inputSize,
- const std::map<int, int> *bigramMap, const uint8_t *bigramFilter,
- const bool useFullEditDistance, Correction *correction,
- WordsPriorityQueuePool *queuePool) const;
- int getDigraphReplacement(const int *codes, const int i, const int inputSize,
- const DigraphUtils::digraph_t *const digraphs, const unsigned int digraphsSize) const;
- void getWordWithDigraphSuggestionsRec(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *codesBuffer, int *xCoordinatesBuffer,
- int *yCoordinatesBuffer, const int codesBufferSize, const std::map<int, int> *bigramMap,
- const uint8_t *bigramFilter, const bool useFullEditDistance, const int *codesSrc,
- const int codesRemain, const int currentDepth, int *codesDest, Correction *correction,
- WordsPriorityQueuePool *queuePool, const DigraphUtils::digraph_t *const digraphs,
- const unsigned int digraphsSize) const;
- void initSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *codes, const int inputSize,
- Correction *correction) const;
- void getOneWordSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *codes, const std::map<int, int> *bigramMap,
- const uint8_t *bigramFilter, const bool useFullEditDistance, const int inputSize,
- Correction *correction, WordsPriorityQueuePool *queuePool) const;
- void getSuggestionCandidates(
- const bool useFullEditDistance, const int inputSize,
- const std::map<int, int> *bigramMap, const uint8_t *bigramFilter,
- Correction *correction, WordsPriorityQueuePool *queuePool, const bool doAutoCompletion,
- const int maxErrors, const int currentWordIndex) const;
- void getSplitMultipleWordsSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *codes, const bool useFullEditDistance,
- const int inputSize, Correction *correction, WordsPriorityQueuePool *queuePool,
- const bool hasAutoCorrectionCandidate) const;
- void onTerminal(const int freq, const TerminalAttributes &terminalAttributes,
- Correction *correction, WordsPriorityQueuePool *queuePool, const bool addToMasterQueue,
- const int currentWordIndex) const;
- // Process a node by considering proximity, missing and excessive character
- bool processCurrentNode(const int initialPos, const std::map<int, int> *bigramMap,
- const uint8_t *bigramFilter, Correction *correction, int *newCount,
- int *newChildPosition, int *nextSiblingPosition, WordsPriorityQueuePool *queuePool,
- const int currentWordIndex) const;
- int getMostProbableWordLike(const int startInputIndex, const int inputSize,
- Correction *correction, int *word) const;
- int getMostProbableWordLikeInner(const int *const inWord, const int inputSize,
- int *outWord) const;
- int getSubStringSuggestion(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *codes, const bool useFullEditDistance,
- Correction *correction, WordsPriorityQueuePool *queuePool, const int inputSize,
- const bool hasAutoCorrectionCandidate, const int currentWordIndex,
- const int inputWordStartPos, const int inputWordLength, const int outputWordStartPos,
- const bool isSpaceProximity, int *freqArray, int *wordLengthArray, int *outputWord,
- int *outputWordLength) const;
- void getMultiWordsSuggestionRec(ProximityInfo *proximityInfo, const int *xcoordinates,
- const int *ycoordinates, const int *codes, const bool useFullEditDistance,
- const int inputSize, Correction *correction, WordsPriorityQueuePool *queuePool,
- const bool hasAutoCorrectionCandidate, const int startPos, const int startWordIndex,
- const int outputWordLength, int *freqArray, int *wordLengthArray,
- int *outputWord) const;
-
- const uint8_t *const DICT_ROOT;
- const int ROOT_POS;
- const int MAX_DIGRAPH_SEARCH_DEPTH;
- const int DICT_FLAGS;
-};
-} // namespace latinime
-#endif // LATINIME_UNIGRAM_DICTIONARY_H