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-rw-r--r--native/src/unigram_dictionary.cpp150
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.