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am fb3fdf15: Merge "Enhance the safety net in multiple word suggestions" into jb-dev

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* commit 'fb3fdf15040cb67c311047dea0144fa5aa071185':
  Enhance the safety net in multiple word suggestions
This commit is contained in:
Satoshi Kataoka 2012-05-31 01:14:57 -07:00 committed by Android Git Automerger
commit 02963c4032
2 changed files with 45 additions and 5 deletions
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5
native/jni/src/defines.h
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@ -234,11 +234,12 @@ static inline void prof_out(void) {
#define SUB_QUEUE_MAX_WORDS 1 #define SUB_QUEUE_MAX_WORDS 1
#define SUB_QUEUE_MAX_COUNT 10 #define SUB_QUEUE_MAX_COUNT 10
#define SUB_QUEUE_MIN_WORD_LENGTH 4 #define SUB_QUEUE_MIN_WORD_LENGTH 4
#define MULTIPLE_WORDS_SUGGESTION_MAX_WORDS 10 // TODO: Extend this limitation
#define MULTIPLE_WORDS_SUGGESTION_MAX_WORDS 5
// TODO: Remove this limitation // TODO: Remove this limitation
#define MULTIPLE_WORDS_SUGGESTION_MAX_WORD_LENGTH 12 #define MULTIPLE_WORDS_SUGGESTION_MAX_WORD_LENGTH 12
// TODO: Remove this limitation // TODO: Remove this limitation
#define MULTIPLE_WORDS_SUGGESTION_MAX_TOTAL_TRAVERSE_COUNT 110 #define MULTIPLE_WORDS_SUGGESTION_MAX_TOTAL_TRAVERSE_COUNT 45
#define MULTIPLE_WORDS_DEMOTION_RATE 80 #define MULTIPLE_WORDS_DEMOTION_RATE 80
#define MIN_INPUT_LENGTH_FOR_THREE_OR_MORE_WORDS_CORRECTION 6 #define MIN_INPUT_LENGTH_FOR_THREE_OR_MORE_WORDS_CORRECTION 6

45
native/jni/src/unigram_dictionary.cpp
View File

@ -431,6 +431,48 @@ int UnigramDictionary::getSubStringSuggestion(
const int inputWordStartPos, const int inputWordLength, const int inputWordStartPos, const int inputWordLength,
const int outputWordStartPos, const bool isSpaceProximity, int *freqArray, const int outputWordStartPos, const bool isSpaceProximity, int *freqArray,
int*wordLengthArray, unsigned short* outputWord, int *outputWordLength) { int*wordLengthArray, unsigned short* outputWord, int *outputWordLength) {
if (inputWordLength > MULTIPLE_WORDS_SUGGESTION_MAX_WORD_LENGTH) {
return FLAG_MULTIPLE_SUGGEST_ABORT;
}
/////////////////////////////////////////////
// safety net for multiple word suggestion //
// TODO: Remove this safety net //
/////////////////////////////////////////////
int smallWordCount = 0;
int singleLetterWordCount = 0;
if (inputWordLength == 1) {
++singleLetterWordCount;
}
if (inputWordLength <= 2) {
// small word == single letter or 2-letter word
++smallWordCount;
}
for (int i = 0; i < currentWordIndex; ++i) {
const int length = wordLengthArray[i];
if (length == 1) {
++singleLetterWordCount;
// Safety net to avoid suggesting sequential single letter words
if (i < (currentWordIndex - 1)) {
if (wordLengthArray[i + 1] == 1) {
return FLAG_MULTIPLE_SUGGEST_ABORT;
}
} else if (inputWordLength == 1) {
return FLAG_MULTIPLE_SUGGEST_ABORT;
}
}
if (length <= 2) {
++smallWordCount;
}
// Safety net to avoid suggesting multiple words with many (4 or more, for now) small words
if (singleLetterWordCount >= 3 || smallWordCount >= 4) {
return FLAG_MULTIPLE_SUGGEST_ABORT;
}
}
//////////////////////////////////////////////
// TODO: Remove the safety net above //
//////////////////////////////////////////////
unsigned short* tempOutputWord = 0; unsigned short* tempOutputWord = 0;
int nextWordLength = 0; int nextWordLength = 0;
// TODO: Optimize init suggestion // TODO: Optimize init suggestion
@ -556,9 +598,6 @@ void UnigramDictionary::getMultiWordsSuggestionRec(ProximityInfo *proximityInfo,
// Current word // Current word
int inputWordStartPos = startInputPos; int inputWordStartPos = startInputPos;
int inputWordLength = i - startInputPos; int inputWordLength = i - startInputPos;
if (inputWordLength > MULTIPLE_WORDS_SUGGESTION_MAX_WORD_LENGTH) {
break;
}
const int suggestionFlag = getSubStringSuggestion(proximityInfo, xcoordinates, ycoordinates, const int suggestionFlag = getSubStringSuggestion(proximityInfo, xcoordinates, ycoordinates,
codes, useFullEditDistance, correction, queuePool, inputLength, codes, useFullEditDistance, correction, queuePool, inputLength,
hasAutoCorrectionCandidate, startWordIndex, inputWordStartPos, inputWordLength, hasAutoCorrectionCandidate, startWordIndex, inputWordStartPos, inputWordLength,