diff options
Diffstat (limited to 'native/src/unigram_dictionary.cpp')
-rw-r--r-- | native/src/unigram_dictionary.cpp | 150 |
1 files changed, 75 insertions, 75 deletions
diff --git a/native/src/unigram_dictionary.cpp b/native/src/unigram_dictionary.cpp index e17e7d07b..a2c1f72a1 100644 --- a/native/src/unigram_dictionary.cpp +++ b/native/src/unigram_dictionary.cpp @@ -48,21 +48,23 @@ UnigramDictionary::UnigramDictionary(const uint8_t* const streamStart, int typed if (DEBUG_DICT) { LOGI("UnigramDictionary - constructor"); } - mCorrection = new Correction(typedLetterMultiplier, fullWordMultiplier); - mWordsPriorityQueue = new WordsPriorityQueue(maxWords, maxWordLength); } UnigramDictionary::~UnigramDictionary() { - delete mCorrection; - delete mWordsPriorityQueue; } -static inline unsigned int getCodesBufferSize(const int* codes, const int codesSize, +static inline unsigned int getCodesBufferSize(const int *codes, const int codesSize, const int MAX_PROXIMITY_CHARS) { return sizeof(*codes) * MAX_PROXIMITY_CHARS * codesSize; } -bool UnigramDictionary::isDigraph(const int* codes, const int i, const int codesSize) const { +// TODO: This needs to take an const unsigned short* and not tinker with its contents +static inline void addWord( + unsigned short *word, int length, int frequency, WordsPriorityQueue *queue) { + queue->push(frequency, word, length); +} + +bool UnigramDictionary::isDigraph(const int *codes, const int i, const int codesSize) const { // There can't be a digraph if we don't have at least 2 characters to examine if (i + 2 > codesSize) return false; @@ -88,9 +90,10 @@ bool UnigramDictionary::isDigraph(const int* codes, const int i, const int codes // codesSrc is the current point in the user-input, original, content-unmodified buffer. // codesRemain is the remaining size in codesSrc. void UnigramDictionary::getWordWithDigraphSuggestionsRec(ProximityInfo *proximityInfo, - const int *xcoordinates, const int* ycoordinates, const int *codesBuffer, - const int codesBufferSize, const int flags, const int* codesSrc, const int codesRemain, - const int currentDepth, int* codesDest) { + const int *xcoordinates, const int *ycoordinates, const int *codesBuffer, + const int codesBufferSize, const int flags, const int *codesSrc, + const int codesRemain, const int currentDepth, int *codesDest, Correction *correction, + WordsPriorityQueue *queue) { if (currentDepth < MAX_UMLAUT_SEARCH_DEPTH) { for (int i = 0; i < codesRemain; ++i) { @@ -107,7 +110,7 @@ void UnigramDictionary::getWordWithDigraphSuggestionsRec(ProximityInfo *proximit getWordWithDigraphSuggestionsRec(proximityInfo, xcoordinates, ycoordinates, codesBuffer, codesBufferSize, flags, codesSrc + (i + 1) * MAX_PROXIMITY_CHARS, codesRemain - i - 1, - currentDepth + 1, codesDest + i * MAX_PROXIMITY_CHARS); + currentDepth + 1, codesDest + i * MAX_PROXIMITY_CHARS, correction, queue); // Copy the second char of the digraph in place, then continue processing on // the remaining part of the word. @@ -115,8 +118,9 @@ void UnigramDictionary::getWordWithDigraphSuggestionsRec(ProximityInfo *proximit memcpy(codesDest + i * MAX_PROXIMITY_CHARS, codesSrc + i * MAX_PROXIMITY_CHARS, BYTES_IN_ONE_CHAR); getWordWithDigraphSuggestionsRec(proximityInfo, xcoordinates, ycoordinates, - codesBuffer, codesBufferSize, flags, codesSrc + i * MAX_PROXIMITY_CHARS, - codesRemain - i, currentDepth + 1, codesDest + i * MAX_PROXIMITY_CHARS); + codesBuffer, codesBufferSize, flags, + codesSrc + i * MAX_PROXIMITY_CHARS, codesRemain - i, currentDepth + 1, + codesDest + i * MAX_PROXIMITY_CHARS, correction, queue); return; } } @@ -132,25 +136,28 @@ void UnigramDictionary::getWordWithDigraphSuggestionsRec(ProximityInfo *proximit memcpy(codesDest, codesSrc, remainingBytes); getWordSuggestions(proximityInfo, xcoordinates, ycoordinates, codesBuffer, - (codesDest - codesBuffer) / MAX_PROXIMITY_CHARS + codesRemain, flags); + (codesDest - codesBuffer) / MAX_PROXIMITY_CHARS + codesRemain, flags, correction, + queue); } -int UnigramDictionary::getSuggestions(ProximityInfo *proximityInfo, const int *xcoordinates, - const int *ycoordinates, const int *codes, const int codesSize, const int flags, - unsigned short *outWords, int *frequencies) { +int UnigramDictionary::getSuggestions(ProximityInfo *proximityInfo, WordsPriorityQueue *queue, + Correction *correction, const int *xcoordinates, const int *ycoordinates, const int *codes, + const int codesSize, const int flags, unsigned short *outWords, int *frequencies) { + WordsPriorityQueue* masterQueue = queue; + Correction* masterCorrection = correction; if (REQUIRES_GERMAN_UMLAUT_PROCESSING & flags) { // Incrementally tune the word and try all possibilities int codesBuffer[getCodesBufferSize(codes, codesSize, MAX_PROXIMITY_CHARS)]; getWordWithDigraphSuggestionsRec(proximityInfo, xcoordinates, ycoordinates, codesBuffer, - codesSize, flags, codes, codesSize, 0, codesBuffer); + codesSize, flags, codes, codesSize, 0, codesBuffer, masterCorrection, masterQueue); } else { // Normal processing - getWordSuggestions(proximityInfo, xcoordinates, ycoordinates, codes, codesSize, flags); + getWordSuggestions(proximityInfo, xcoordinates, ycoordinates, codes, codesSize, flags, + masterCorrection, masterQueue); } PROF_START(20); - const int suggestedWordsCount = - mWordsPriorityQueue->outputSuggestions(frequencies, outWords); + const int suggestedWordsCount = masterQueue->outputSuggestions(frequencies, outWords); if (DEBUG_DICT) { LOGI("Returning %d words", suggestedWordsCount); @@ -170,23 +177,22 @@ int UnigramDictionary::getSuggestions(ProximityInfo *proximityInfo, const int *x } void UnigramDictionary::getWordSuggestions(ProximityInfo *proximityInfo, - const int *xcoordinates, const int *ycoordinates, const int *codes, const int codesSize, - const int flags) { + const int *xcoordinates, const int *ycoordinates, const int *codes, + const int inputLength, const int flags, Correction *correction, WordsPriorityQueue *queue) { PROF_OPEN; PROF_START(0); - initSuggestions( - proximityInfo, xcoordinates, ycoordinates, codes, codesSize); - if (DEBUG_DICT) assert(codesSize == mInputLength); + initSuggestions(proximityInfo, xcoordinates, ycoordinates, codes, inputLength, queue); + if (DEBUG_DICT) assert(codesSize == inputLength); - const int maxDepth = min(mInputLength * MAX_DEPTH_MULTIPLIER, MAX_WORD_LENGTH); - mCorrection->initCorrection(mProximityInfo, mInputLength, maxDepth); + const int maxDepth = min(inputLength * MAX_DEPTH_MULTIPLIER, MAX_WORD_LENGTH); + correction->initCorrection(proximityInfo, inputLength, maxDepth); PROF_END(0); const bool useFullEditDistance = USE_FULL_EDIT_DISTANCE & flags; // TODO: remove PROF_START(1); - getSuggestionCandidates(useFullEditDistance); + getSuggestionCandidates(useFullEditDistance, inputLength, correction, queue); PROF_END(1); PROF_START(2); @@ -204,12 +210,13 @@ void UnigramDictionary::getWordSuggestions(ProximityInfo *proximityInfo, PROF_START(5); // Suggestions with missing space if (SUGGEST_WORDS_WITH_MISSING_SPACE_CHARACTER - && mInputLength >= MIN_USER_TYPED_LENGTH_FOR_MISSING_SPACE_SUGGESTION) { - for (int i = 1; i < codesSize; ++i) { + && inputLength >= MIN_USER_TYPED_LENGTH_FOR_MISSING_SPACE_SUGGESTION) { + for (int i = 1; i < inputLength; ++i) { if (DEBUG_DICT) { LOGI("--- Suggest missing space characters %d", i); } - getMissingSpaceWords(mInputLength, i, mCorrection, useFullEditDistance); + getMissingSpaceWords( + inputLength, i, proximityInfo, correction, useFullEditDistance, queue); } } PROF_END(5); @@ -217,7 +224,7 @@ void UnigramDictionary::getWordSuggestions(ProximityInfo *proximityInfo, PROF_START(6); if (SUGGEST_WORDS_WITH_SPACE_PROXIMITY && proximityInfo) { // The first and last "mistyped spaces" are taken care of by excessive character handling - for (int i = 1; i < codesSize - 1; ++i) { + for (int i = 1; i < inputLength - 1; ++i) { if (DEBUG_DICT) { LOGI("--- Suggest words with proximity space %d", i); } @@ -228,7 +235,8 @@ void UnigramDictionary::getWordSuggestions(ProximityInfo *proximityInfo, i, x, y, proximityInfo->hasSpaceProximity(x, y)); } if (proximityInfo->hasSpaceProximity(x, y)) { - getMistypedSpaceWords(mInputLength, i, mCorrection, useFullEditDistance); + getMistypedSpaceWords( + inputLength, i, proximityInfo, correction, useFullEditDistance, queue); } } } @@ -236,93 +244,83 @@ void UnigramDictionary::getWordSuggestions(ProximityInfo *proximityInfo, } void UnigramDictionary::initSuggestions(ProximityInfo *proximityInfo, const int *xCoordinates, - const int *yCoordinates, const int *codes, const int codesSize) { + const int *yCoordinates, const int *codes, const int codesSize, + WordsPriorityQueue *queue) { if (DEBUG_DICT) { LOGI("initSuggest"); } - mInputLength = codesSize; proximityInfo->setInputParams(codes, codesSize, xCoordinates, yCoordinates); - mProximityInfo = proximityInfo; - mWordsPriorityQueue->clear(); -} - -// TODO: This needs to take an const unsigned short* and not tinker with its contents -void UnigramDictionary::addWord(unsigned short *word, int length, int frequency) { - mWordsPriorityQueue->push(frequency, word, length); + queue->clear(); } static const char QUOTE = '\''; static const char SPACE = ' '; -void UnigramDictionary::getSuggestionCandidates(const bool useFullEditDistance) { +void UnigramDictionary::getSuggestionCandidates(const bool useFullEditDistance, + const int inputLength, Correction *correction, WordsPriorityQueue *queue) { // TODO: Remove setCorrectionParams - mCorrection->setCorrectionParams(0, 0, 0, + correction->setCorrectionParams(0, 0, 0, -1 /* spaceProximityPos */, -1 /* missingSpacePos */, useFullEditDistance); int rootPosition = ROOT_POS; // Get the number of children of root, then increment the position int childCount = Dictionary::getCount(DICT_ROOT, &rootPosition); int outputIndex = 0; - mCorrection->initCorrectionState(rootPosition, childCount, (mInputLength <= 0)); + correction->initCorrectionState(rootPosition, childCount, (inputLength <= 0)); // Depth first search while (outputIndex >= 0) { - if (mCorrection->initProcessState(outputIndex)) { - int siblingPos = mCorrection->getTreeSiblingPos(outputIndex); + if (correction->initProcessState(outputIndex)) { + int siblingPos = correction->getTreeSiblingPos(outputIndex); int firstChildPos; const bool needsToTraverseChildrenNodes = processCurrentNode(siblingPos, - mCorrection, &childCount, &firstChildPos, &siblingPos); + correction, &childCount, &firstChildPos, &siblingPos, queue); // Update next sibling pos - mCorrection->setTreeSiblingPos(outputIndex, siblingPos); + correction->setTreeSiblingPos(outputIndex, siblingPos); if (needsToTraverseChildrenNodes) { // Goes to child node - outputIndex = mCorrection->goDownTree(outputIndex, childCount, firstChildPos); + outputIndex = correction->goDownTree(outputIndex, childCount, firstChildPos); } } else { // Goes to parent sibling node - outputIndex = mCorrection->getTreeParentIndex(outputIndex); + outputIndex = correction->getTreeParentIndex(outputIndex); } } } void UnigramDictionary::getMissingSpaceWords( - const int inputLength, const int missingSpacePos, Correction *correction, - const bool useFullEditDistance) { + const int inputLength, const int missingSpacePos, ProximityInfo *proximityInfo, + Correction *correction, const bool useFullEditDistance, WordsPriorityQueue *queue) { correction->setCorrectionParams(-1 /* skipPos */, -1 /* excessivePos */, -1 /* transposedPos */, -1 /* spaceProximityPos */, missingSpacePos, useFullEditDistance); - getSplitTwoWordsSuggestion(inputLength, correction); + getSplitTwoWordsSuggestion(inputLength, proximityInfo, correction, queue); } void UnigramDictionary::getMistypedSpaceWords( - const int inputLength, const int spaceProximityPos, Correction *correction, - const bool useFullEditDistance) { + const int inputLength, const int spaceProximityPos, ProximityInfo *proximityInfo, + Correction *correction, const bool useFullEditDistance, WordsPriorityQueue *queue) { correction->setCorrectionParams(-1 /* skipPos */, -1 /* excessivePos */, -1 /* transposedPos */, spaceProximityPos, -1 /* missingSpacePos */, useFullEditDistance); - getSplitTwoWordsSuggestion(inputLength, correction); -} - -inline bool UnigramDictionary::needsToSkipCurrentNode(const unsigned short c, - const int inputIndex, const int skipPos, const int depth) { - const unsigned short userTypedChar = mProximityInfo->getPrimaryCharAt(inputIndex); - // Skip the ' or other letter and continue deeper - return (c == QUOTE && userTypedChar != QUOTE) || skipPos == depth; + getSplitTwoWordsSuggestion(inputLength, proximityInfo, correction, queue); } -inline void UnigramDictionary::onTerminal(const int freq, Correction *correction) { +inline void UnigramDictionary::onTerminal( + const int freq, Correction *correction, WordsPriorityQueue *queue) { int wordLength; unsigned short* wordPointer; const int finalFreq = correction->getFinalFreq(freq, &wordPointer, &wordLength); if (finalFreq >= 0) { - addWord(wordPointer, wordLength, finalFreq); + addWord(wordPointer, wordLength, finalFreq, queue); } } void UnigramDictionary::getSplitTwoWordsSuggestion( - const int inputLength, Correction* correction) { + const int inputLength, ProximityInfo *proximityInfo, Correction *correction, + WordsPriorityQueue *queue) { const int spaceProximityPos = correction->getSpaceProximityPos(); const int missingSpacePos = correction->getMissingSpacePos(); if (DEBUG_DICT) { @@ -347,7 +345,8 @@ void UnigramDictionary::getSplitTwoWordsSuggestion( const int newWordLength = firstWordLength + secondWordLength + 1; // Allocating variable length array on stack unsigned short word[newWordLength]; - const int firstFreq = getMostFrequentWordLike(firstWordStartPos, firstWordLength, mWord); + const int firstFreq = getMostFrequentWordLike( + firstWordStartPos, firstWordLength, proximityInfo, mWord); if (DEBUG_DICT) { LOGI("First freq: %d", firstFreq); } @@ -357,7 +356,8 @@ void UnigramDictionary::getSplitTwoWordsSuggestion( word[i] = mWord[i]; } - const int secondFreq = getMostFrequentWordLike(secondWordStartPos, secondWordLength, mWord); + const int secondFreq = getMostFrequentWordLike( + secondWordStartPos, secondWordLength, proximityInfo, mWord); if (DEBUG_DICT) { LOGI("Second freq: %d", secondFreq); } @@ -368,22 +368,22 @@ void UnigramDictionary::getSplitTwoWordsSuggestion( word[i] = mWord[i - firstWordLength - 1]; } - const int pairFreq = mCorrection->getFreqForSplitTwoWords(firstFreq, secondFreq, word); + const int pairFreq = correction->getFreqForSplitTwoWords(firstFreq, secondFreq, word); if (DEBUG_DICT) { LOGI("Split two words: %d, %d, %d, %d", firstFreq, secondFreq, pairFreq, inputLength); } - addWord(word, newWordLength, pairFreq); + addWord(word, newWordLength, pairFreq, queue); return; } // Wrapper for getMostFrequentWordLikeInner, which matches it to the previous // interface. inline int UnigramDictionary::getMostFrequentWordLike(const int startInputIndex, - const int inputLength, unsigned short *word) { + const int inputLength, ProximityInfo *proximityInfo, unsigned short *word) { uint16_t inWord[inputLength]; for (int i = 0; i < inputLength; ++i) { - inWord[i] = (uint16_t)mProximityInfo->getPrimaryCharAt(startInputIndex + i); + inWord[i] = (uint16_t)proximityInfo->getPrimaryCharAt(startInputIndex + i); } return getMostFrequentWordLikeInner(inWord, inputLength, word); } @@ -534,7 +534,7 @@ int UnigramDictionary::getBigramPosition(int pos, unsigned short *word, int offs // given level, as output into newCount when traversing this level's parent. inline bool UnigramDictionary::processCurrentNode(const int initialPos, Correction *correction, int *newCount, - int *newChildrenPosition, int *nextSiblingPosition) { + int *newChildrenPosition, int *nextSiblingPosition, WordsPriorityQueue *queue) { if (DEBUG_DICT) { correction->checkState(); } @@ -613,7 +613,7 @@ inline bool UnigramDictionary::processCurrentNode(const int initialPos, // The frequency should be here, because we come here only if this is actually // a terminal node, and we are on its last char. const int freq = BinaryFormat::readFrequencyWithoutMovingPointer(DICT_ROOT, pos); - onTerminal(freq, mCorrection); + onTerminal(freq, correction, queue); } // If there are more chars in this node, then this virtual node has children. |