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Fetch and pass the bigram position on suggestions. 

This is a cherry-pick of change I2d81742f

Bug: 6313806
Change-Id: Ic1190b7980d032bc11b57841bca040d980889b6b
main
Jean Chalard 2012-04-24 18:06:51 +09:00
parent 49caddbdab
commit 351864b38a
4 changed files with 18 additions and 16 deletions
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14
native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
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@ -137,13 +137,15 @@ static int latinime_BinaryDictionary_getSuggestions(JNIEnv *env, jobject object,
int *frequencies = env->GetIntArrayElements(frequencyArray, 0); int *frequencies = env->GetIntArrayElements(frequencyArray, 0);
int *inputCodes = env->GetIntArrayElements(inputArray, 0); int *inputCodes = env->GetIntArrayElements(inputArray, 0);
jchar *outputChars = env->GetCharArrayElements(outputArray, 0); jchar *outputChars = env->GetCharArrayElements(outputArray, 0);
// Deactivated to prevent unused variable errors. jint *prevWordChars = prevWordForBigrams
// TODO: use the following variables. ? env->GetIntArrayElements(prevWordForBigrams, 0) : 0;
// jint *prevWordChars = prevWordForBigrams jsize prevWordLength = prevWordChars ? env->GetArrayLength(prevWordForBigrams) : 0;
// ? env->GetIntArrayElements(prevWordForBigrams, 0) : NULL;
// jsize prevWordLength = prevWordChars ? env->GetArrayLength(prevWordForBigrams) : 0;
int count = dictionary->getSuggestions(pInfo, xCoordinates, yCoordinates, inputCodes, int count = dictionary->getSuggestions(pInfo, xCoordinates, yCoordinates, inputCodes,
arraySize, useFullEditDistance, (unsigned short*) outputChars, frequencies); arraySize, prevWordChars, prevWordLength, useFullEditDistance,
(unsigned short*) outputChars, frequencies);
if (prevWordChars) {
env->ReleaseIntArrayElements(prevWordForBigrams, prevWordChars, JNI_ABORT);
}
env->ReleaseCharArrayElements(outputArray, outputChars, 0); env->ReleaseCharArrayElements(outputArray, outputChars, 0);
env->ReleaseIntArrayElements(inputArray, inputCodes, JNI_ABORT); env->ReleaseIntArrayElements(inputArray, inputCodes, JNI_ABORT);
env->ReleaseIntArrayElements(frequencyArray, frequencies, 0); env->ReleaseIntArrayElements(frequencyArray, frequencies, 0);

9
native/jni/src/bigram_dictionary.cpp
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@ -107,8 +107,8 @@ int BigramDictionary::getBigrams(const int32_t *prevWord, int prevWordLength, in
mMaxBigrams = maxBigrams; mMaxBigrams = maxBigrams;
const uint8_t* const root = DICT; const uint8_t* const root = DICT;
int pos = getBigramListForWord(root, prevWord, prevWordLength); int pos = getBigramListPositionForWord(prevWord, prevWordLength);
// getBigramListForWord returns 0 if this word is not in the dictionary or has no bigrams // getBigramListPositionForWord returns 0 if this word isn't in the dictionary or has no bigrams
if (0 == pos) return 0; if (0 == pos) return 0;
int bigramFlags; int bigramFlags;
int bigramCount = 0; int bigramCount = 0;
@ -133,8 +133,9 @@ int BigramDictionary::getBigrams(const int32_t *prevWord, int prevWordLength, in
// Returns a pointer to the start of the bigram list. // Returns a pointer to the start of the bigram list.
// If the word is not found or has no bigrams, this function returns 0. // If the word is not found or has no bigrams, this function returns 0.
int BigramDictionary::getBigramListForWord(const uint8_t* const root, int BigramDictionary::getBigramListPositionForWord(const int32_t *prevWord,
const int32_t *prevWord, const int prevWordLength) { const int prevWordLength) {
const uint8_t* const root = DICT;
int pos = BinaryFormat::getTerminalPosition(root, prevWord, prevWordLength); int pos = BinaryFormat::getTerminalPosition(root, prevWord, prevWordLength);
if (NOT_VALID_WORD == pos) return 0; if (NOT_VALID_WORD == pos) return 0;

3
native/jni/src/bigram_dictionary.h
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@ -27,8 +27,7 @@ class BigramDictionary {
BigramDictionary(const unsigned char *dict, int maxWordLength, Dictionary *parentDictionary); BigramDictionary(const unsigned char *dict, int maxWordLength, Dictionary *parentDictionary);
int getBigrams(const int32_t *word, int length, int *codes, int codesSize, int getBigrams(const int32_t *word, int length, int *codes, int codesSize,
unsigned short *outWords, int *frequencies, int maxWordLength, int maxBigrams); unsigned short *outWords, int *frequencies, int maxWordLength, int maxBigrams);
int getBigramListForWord(const uint8_t* const root, int getBigramListPositionForWord(const int32_t *prevWord, const int prevWordLength);
const int32_t *prevWord, const int prevWordLength);
~BigramDictionary(); ~BigramDictionary();
private: private:
bool addWordBigram(unsigned short *word, int length, int frequency); bool addWordBigram(unsigned short *word, int length, int frequency);

8
native/jni/src/dictionary.h
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@ -33,12 +33,12 @@ class Dictionary {
int fullWordMultiplier, int maxWordLength, int maxWords); int fullWordMultiplier, int maxWordLength, int maxWords);
int getSuggestions(ProximityInfo *proximityInfo, int *xcoordinates, int *ycoordinates, int getSuggestions(ProximityInfo *proximityInfo, int *xcoordinates, int *ycoordinates,
int *codes, int codesSize, bool useFullEditDistance, unsigned short *outWords, int *codes, int codesSize, const int32_t* prevWordChars, const int prevWordLength,
int *frequencies) { bool useFullEditDistance, unsigned short *outWords, int *frequencies) {
// bigramListPosition is, as an int, the offset of the bigram list in the file. // bigramListPosition is, as an int, the offset of the bigram list in the file.
// If none, it's zero. // If none, it's zero.
// TODO: get this from the bigram dictionary instance const int bigramListPosition = !prevWordChars ? 0
const int bigramListPosition = 0; : mBigramDictionary->getBigramListPositionForWord(prevWordChars, prevWordLength);
return mUnigramDictionary->getSuggestions(proximityInfo, mWordsPriorityQueuePool, return mUnigramDictionary->getSuggestions(proximityInfo, mWordsPriorityQueuePool,
mCorrection, xcoordinates, ycoordinates, codes, codesSize, bigramListPosition, mCorrection, xcoordinates, ycoordinates, codes, codesSize, bigramListPosition,
useFullEditDistance, outWords, frequencies); useFullEditDistance, outWords, frequencies);