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Extend jni method to use multiple previous words. 

Bug: 14425059
Change-Id: I8150e8812ee32f8c713315a234b52e5b3a79d7a0
main
Keisuke Kuroyanagi 2014-06-26 18:47:25 +09:00
parent 8681bef03c
commit 05b1e0d42f
4 changed files with 109 additions and 59 deletions
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31
java/src/com/android/inputmethod/latin/BinaryDictionary.java
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@ -174,8 +174,8 @@ public final class BinaryDictionary extends Dictionary {
private static native int getFormatVersionNative(long dict);
private static native int getProbabilityNative(long dict, int[] word);
private static native int getMaxProbabilityOfExactMatchesNative(long dict, int[] word);
private static native int getNgramProbabilityNative(long dict, int[] word0,
boolean isBeginningOfSentence, int[] word1);
private static native int getNgramProbabilityNative(long dict, int[][] prevWordCodePointArrays,
boolean[] isBeginningOfSentenceArray, int[] word);
private static native void getWordPropertyNative(long dict, int[] word,
boolean isBeginningOfSentence, int[] outCodePoints, boolean[] outFlags,
int[] outProbabilityInfo, ArrayList<int[]> outBigramTargets,
@ -186,7 +186,7 @@ public final class BinaryDictionary extends Dictionary {
private static native void getSuggestionsNative(long dict, long proximityInfo,
long traverseSession, int[] xCoordinates, int[] yCoordinates, int[] times,
int[] pointerIds, int[] inputCodePoints, int inputSize, int[] suggestOptions,
int[] prevWordCodePointArray, boolean isBeginningOfSentence,
int[][] prevWordCodePointArrays, boolean[] isBeginningOfSentenceArray,
int[] outputSuggestionCount, int[] outputCodePoints, int[] outputScores,
int[] outputIndices, int[] outputTypes, int[] outputAutoCommitFirstWordConfidence,
float[] inOutLanguageWeight);
@ -194,10 +194,11 @@ public final class BinaryDictionary extends Dictionary {
int[] shortcutTarget, int shortcutProbability, boolean isBeginningOfSentence,
boolean isNotAWord, boolean isBlacklisted, int timestamp);
private static native boolean removeUnigramEntryNative(long dict, int[] word);
private static native boolean addNgramEntryNative(long dict, int[] word0,
boolean isBeginningOfSentence, int[] word1, int probability, int timestamp);
private static native boolean removeNgramEntryNative(long dict, int[] word0,
boolean isBeginningOfSentence, int[] word1);
private static native boolean addNgramEntryNative(long dict,
int[][] prevWordCodePointArrays, boolean[] isBeginningOfSentenceArray,
int[] word, int probability, int timestamp);
private static native boolean removeNgramEntryNative(long dict,
int[][] prevWordCodePointArrays, boolean[] isBeginningOfSentenceArray, int[] word);
private static native int addMultipleDictionaryEntriesNative(long dict,
LanguageModelParam[] languageModelParams, int startIndex);
private static native String getPropertyNative(long dict, String query);
@ -290,8 +291,8 @@ public final class BinaryDictionary extends Dictionary {
getTraverseSession(sessionId).getSession(), inputPointers.getXCoordinates(),
inputPointers.getYCoordinates(), inputPointers.getTimes(),
inputPointers.getPointerIds(), session.mInputCodePoints, inputSize,
session.mNativeSuggestOptions.getOptions(), session.mPrevWordCodePointArrays[0],
session.mIsBeginningOfSentenceArray[0], session.mOutputSuggestionCount,
session.mNativeSuggestOptions.getOptions(), session.mPrevWordCodePointArrays,
session.mIsBeginningOfSentenceArray, session.mOutputSuggestionCount,
session.mOutputCodePoints, session.mOutputScores, session.mSpaceIndices,
session.mOutputTypes, session.mOutputAutoCommitFirstWordConfidence,
session.mInputOutputLanguageWeight);
@ -359,8 +360,8 @@ public final class BinaryDictionary extends Dictionary {
new boolean[Constants.MAX_PREV_WORD_COUNT_FOR_N_GRAM];
prevWordsInfo.outputToArray(prevWordCodePointArrays, isBeginningOfSentenceArray);
final int[] wordCodePoints = StringUtils.toCodePointArray(word);
return getNgramProbabilityNative(mNativeDict, prevWordCodePointArrays[0],
isBeginningOfSentenceArray[0], wordCodePoints);
return getNgramProbabilityNative(mNativeDict, prevWordCodePointArrays,
isBeginningOfSentenceArray, wordCodePoints);
}
public WordProperty getWordProperty(final String word, final boolean isBeginningOfSentence) {
@ -456,8 +457,8 @@ public final class BinaryDictionary extends Dictionary {
new boolean[Constants.MAX_PREV_WORD_COUNT_FOR_N_GRAM];
prevWordsInfo.outputToArray(prevWordCodePointArrays, isBeginningOfSentenceArray);
final int[] wordCodePoints = StringUtils.toCodePointArray(word);
if (!addNgramEntryNative(mNativeDict, prevWordCodePointArrays[0],
isBeginningOfSentenceArray[0], wordCodePoints, probability, timestamp)) {
if (!addNgramEntryNative(mNativeDict, prevWordCodePointArrays,
isBeginningOfSentenceArray, wordCodePoints, probability, timestamp)) {
return false;
}
mHasUpdated = true;
@ -474,8 +475,8 @@ public final class BinaryDictionary extends Dictionary {
new boolean[Constants.MAX_PREV_WORD_COUNT_FOR_N_GRAM];
prevWordsInfo.outputToArray(prevWordCodePointArrays, isBeginningOfSentenceArray);
final int[] wordCodePoints = StringUtils.toCodePointArray(word);
if (!removeNgramEntryNative(mNativeDict, prevWordCodePointArrays[0],
isBeginningOfSentenceArray[0], wordCodePoints)) {
if (!removeNgramEntryNative(mNativeDict, prevWordCodePointArrays,
isBeginningOfSentenceArray, wordCodePoints)) {
return false;
}
mHasUpdated = true;

58
native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
View File

@ -178,7 +178,7 @@ static void latinime_BinaryDictionary_getSuggestions(JNIEnv *env, jclass clazz,
jlong proximityInfo, jlong dicTraverseSession, jintArray xCoordinatesArray,
jintArray yCoordinatesArray, jintArray timesArray, jintArray pointerIdsArray,
jintArray inputCodePointsArray, jint inputSize, jintArray suggestOptions,
jintArray prevWordCodePointsForBigrams, jboolean isBeginningOfSentence,
jobjectArray prevWordCodePointArrays, jbooleanArray isBeginningOfSentenceArray,
jintArray outSuggestionCount, jintArray outCodePointsArray, jintArray outScoresArray,
jintArray outSpaceIndicesArray, jintArray outTypesArray,
jintArray outAutoCommitFirstWordConfidenceArray, jfloatArray inOutLanguageWeight) {
@ -201,20 +201,11 @@ static void latinime_BinaryDictionary_getSuggestions(JNIEnv *env, jclass clazz,
int pointerIds[inputSize];
const jsize inputCodePointsLength = env->GetArrayLength(inputCodePointsArray);
int inputCodePoints[inputCodePointsLength];
const jsize prevWordCodePointsLength =
prevWordCodePointsForBigrams ? env->GetArrayLength(prevWordCodePointsForBigrams) : 0;
int prevWordCodePointsInternal[prevWordCodePointsLength];
int *prevWordCodePoints = nullptr;
env->GetIntArrayRegion(xCoordinatesArray, 0, inputSize, xCoordinates);
env->GetIntArrayRegion(yCoordinatesArray, 0, inputSize, yCoordinates);
env->GetIntArrayRegion(timesArray, 0, inputSize, times);
env->GetIntArrayRegion(pointerIdsArray, 0, inputSize, pointerIds);
env->GetIntArrayRegion(inputCodePointsArray, 0, inputCodePointsLength, inputCodePoints);
if (prevWordCodePointsForBigrams) {
env->GetIntArrayRegion(prevWordCodePointsForBigrams, 0, prevWordCodePointsLength,
prevWordCodePointsInternal);
prevWordCodePoints = prevWordCodePointsInternal;
}
const jsize numberOfOptions = env->GetArrayLength(suggestOptions);
int options[numberOfOptions];
@ -248,8 +239,8 @@ static void latinime_BinaryDictionary_getSuggestions(JNIEnv *env, jclass clazz,
float languageWeight;
env->GetFloatArrayRegion(inOutLanguageWeight, 0, 1 /* len */, &languageWeight);
SuggestionResults suggestionResults(MAX_RESULTS);
const PrevWordsInfo prevWordsInfo(prevWordCodePoints, prevWordCodePointsLength,
isBeginningOfSentence);
const PrevWordsInfo prevWordsInfo = JniDataUtils::constructPrevWordsInfo(env,
prevWordCodePointArrays, isBeginningOfSentenceArray);
if (givenSuggestOptions.isGesture() || inputSize > 0) {
// TODO: Use SuggestionResults to return suggestions.
dictionary->getSuggestions(pInfo, traverseSession, xCoordinates, yCoordinates,
@ -391,41 +382,38 @@ static bool latinime_BinaryDictionary_removeUnigramEntry(JNIEnv *env, jclass cla
}
static bool latinime_BinaryDictionary_addNgramEntry(JNIEnv *env, jclass clazz, jlong dict,
jintArray word0, jboolean isBeginningOfSentence, jintArray word1, jint probability,
jint timestamp) {
jobjectArray prevWordCodePointArrays, jbooleanArray isBeginningOfSentenceArray,
jintArray word, jint probability, jint timestamp) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) {
return false;
}
jsize word0Length = env->GetArrayLength(word0);
int word0CodePoints[word0Length];
env->GetIntArrayRegion(word0, 0, word0Length, word0CodePoints);
jsize word1Length = env->GetArrayLength(word1);
int word1CodePoints[word1Length];
env->GetIntArrayRegion(word1, 0, word1Length, word1CodePoints);
const PrevWordsInfo prevWordsInfo = JniDataUtils::constructPrevWordsInfo(env,
prevWordCodePointArrays, isBeginningOfSentenceArray);
jsize wordLength = env->GetArrayLength(word);
int wordCodePoints[wordLength];
env->GetIntArrayRegion(word, 0, wordLength, wordCodePoints);
const std::vector<int> bigramTargetCodePoints(
word1CodePoints, word1CodePoints + word1Length);
wordCodePoints, wordCodePoints + wordLength);
// Use 1 for count to indicate the bigram has inputted.
const BigramProperty bigramProperty(&bigramTargetCodePoints, probability,
timestamp, 0 /* level */, 1 /* count */);
const PrevWordsInfo prevWordsInfo(word0CodePoints, word0Length, isBeginningOfSentence);
return dictionary->addNgramEntry(&prevWordsInfo, &bigramProperty);
}
static bool latinime_BinaryDictionary_removeNgramEntry(JNIEnv *env, jclass clazz, jlong dict,
jintArray word0, jboolean isBeginningOfSentence, jintArray word1) {
jobjectArray prevWordCodePointArrays, jbooleanArray isBeginningOfSentenceArray,
jintArray word) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) {
return false;
}
jsize word0Length = env->GetArrayLength(word0);
int word0CodePoints[word0Length];
env->GetIntArrayRegion(word0, 0, word0Length, word0CodePoints);
jsize word1Length = env->GetArrayLength(word1);
int word1CodePoints[word1Length];
env->GetIntArrayRegion(word1, 0, word1Length, word1CodePoints);
const PrevWordsInfo prevWordsInfo(word0CodePoints, word0Length, isBeginningOfSentence);
return dictionary->removeNgramEntry(&prevWordsInfo, word1CodePoints, word1Length);
const PrevWordsInfo prevWordsInfo = JniDataUtils::constructPrevWordsInfo(env,
prevWordCodePointArrays, isBeginningOfSentenceArray);
jsize wordLength = env->GetArrayLength(word);
int wordCodePoints[wordLength];
env->GetIntArrayRegion(word, 0, wordLength, wordCodePoints);
return dictionary->removeNgramEntry(&prevWordsInfo, wordCodePoints, wordLength);
}
// Returns how many language model params are processed.
@ -672,7 +660,7 @@ static const JNINativeMethod sMethods[] = {
},
{
const_cast<char *>("getSuggestionsNative"),
const_cast<char *>("(JJJ[I[I[I[I[II[I[IZ[I[I[I[I[I[I[F)V"),
const_cast<char *>("(JJJ[I[I[I[I[II[I[[I[Z[I[I[I[I[I[I[F)V"),
reinterpret_cast<void *>(latinime_BinaryDictionary_getSuggestions)
},
{
@ -687,7 +675,7 @@ static const JNINativeMethod sMethods[] = {
},
{
const_cast<char *>("getNgramProbabilityNative"),
const_cast<char *>("(J[IZ[I)I"),
const_cast<char *>("(J[[I[Z[I)I"),
reinterpret_cast<void *>(latinime_BinaryDictionary_getNgramProbability)
},
{
@ -713,12 +701,12 @@ static const JNINativeMethod sMethods[] = {
},
{
const_cast<char *>("addNgramEntryNative"),
const_cast<char *>("(J[IZ[III)Z"),
const_cast<char *>("(J[[I[Z[III)Z"),
reinterpret_cast<void *>(latinime_BinaryDictionary_addNgramEntry)
},
{
const_cast<char *>("removeNgramEntryNative"),
const_cast<char *>("(J[IZ[I)Z"),
const_cast<char *>("(J[[I[Z[I)Z"),
reinterpret_cast<void *>(latinime_BinaryDictionary_removeNgramEntry)
},
{

47
native/jni/src/suggest/core/session/prev_words_info.h
View File

@ -25,7 +25,6 @@
namespace latinime {
// TODO: Support n-gram.
// This class does not take ownership of any code point buffers.
class PrevWordsInfo {
public:
// No prev word information.
@ -33,22 +32,53 @@ class PrevWordsInfo {
clear();
}
PrevWordsInfo(PrevWordsInfo &&prevWordsInfo) {
for (size_t i = 0; i < NELEMS(mPrevWordCodePoints); ++i) {
mPrevWordCodePointCount[i] = prevWordsInfo.mPrevWordCodePointCount[i];
memmove(mPrevWordCodePoints[i], prevWordsInfo.mPrevWordCodePoints[i],
sizeof(mPrevWordCodePoints[i][0]) * mPrevWordCodePointCount[i]);
mIsBeginningOfSentence[i] = prevWordsInfo.mIsBeginningOfSentence[i];
}
}
// Construct from previous words.
PrevWordsInfo(const int prevWordCodePoints[][MAX_WORD_LENGTH],
const int *const prevWordCodePointCount, const bool *const isBeginningOfSentence,
const size_t prevWordCount) {
clear();
for (size_t i = 0; i < std::min(NELEMS(mPrevWordCodePoints), prevWordCount); ++i) {
if (prevWordCodePointCount[i] < 0 || prevWordCodePointCount[i] > MAX_WORD_LENGTH) {
continue;
}
memmove(mPrevWordCodePoints[i], prevWordCodePoints[i],
sizeof(mPrevWordCodePoints[i][0]) * prevWordCodePointCount[i]);
mPrevWordCodePointCount[i] = prevWordCodePointCount[i];
mIsBeginningOfSentence[i] = isBeginningOfSentence[i];
}
}
// Construct from a previous word.
PrevWordsInfo(const int *const prevWordCodePoints, const int prevWordCodePointCount,
const bool isBeginningOfSentence) {
clear();
mPrevWordCodePoints[0] = prevWordCodePoints;
if (prevWordCodePointCount > MAX_WORD_LENGTH || !prevWordCodePoints) {
return;
}
memmove(mPrevWordCodePoints[0], prevWordCodePoints,
sizeof(mPrevWordCodePoints[0][0]) * prevWordCodePointCount);
mPrevWordCodePointCount[0] = prevWordCodePointCount;
mIsBeginningOfSentence[0] = isBeginningOfSentence;
}
bool isValid() const {
for (size_t i = 0; i < NELEMS(mPrevWordCodePoints); ++i) {
if (mPrevWordCodePointCount[i] > MAX_WORD_LENGTH) {
return false;
}
}
if (mPrevWordCodePointCount[0] > 0) {
return true;
}
if (mIsBeginningOfSentence[0]) {
return true;
}
return false;
}
void getPrevWordsTerminalPtNodePos(
const DictionaryStructureWithBufferPolicy *const dictStructurePolicy,
@ -168,13 +198,12 @@ class PrevWordsInfo {
void clear() {
for (size_t i = 0; i < NELEMS(mPrevWordCodePoints); ++i) {
mPrevWordCodePoints[i] = nullptr;
mPrevWordCodePointCount[i] = 0;
mIsBeginningOfSentence[i] = false;
}
}
const int *mPrevWordCodePoints[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
int mPrevWordCodePoints[MAX_PREV_WORD_COUNT_FOR_N_GRAM][MAX_WORD_LENGTH];
int mPrevWordCodePointCount[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
bool mIsBeginningOfSentence[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
};

32
native/jni/src/utils/jni_data_utils.h
View File

@ -21,6 +21,7 @@
#include "defines.h"
#include "jni.h"
#include "suggest/core/session/prev_words_info.h"
#include "suggest/core/policy/dictionary_header_structure_policy.h"
#include "suggest/policyimpl/dictionary/header/header_read_write_utils.h"
#include "utils/char_utils.h"
@ -95,6 +96,37 @@ class JniDataUtils {
}
}
static PrevWordsInfo constructPrevWordsInfo(JNIEnv *env, jobjectArray prevWordCodePointArrays,
jbooleanArray isBeginningOfSentenceArray) {
int prevWordCodePoints[MAX_PREV_WORD_COUNT_FOR_N_GRAM][MAX_WORD_LENGTH];
int prevWordCodePointCount[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
bool isBeginningOfSentence[MAX_PREV_WORD_COUNT_FOR_N_GRAM];
jsize prevWordsCount = env->GetArrayLength(prevWordCodePointArrays);
for (size_t i = 0; i < NELEMS(prevWordCodePoints); ++i) {
prevWordCodePointCount[i] = 0;
isBeginningOfSentence[i] = false;
if (prevWordsCount <= static_cast<int>(i)) {
continue;
}
jintArray prevWord = (jintArray)env->GetObjectArrayElement(prevWordCodePointArrays, i);
if (!prevWord) {
continue;
}
jsize prevWordLength = env->GetArrayLength(prevWord);
if (prevWordLength > MAX_WORD_LENGTH) {
continue;
}
env->GetIntArrayRegion(prevWord, 0, prevWordLength, prevWordCodePoints[i]);
prevWordCodePointCount[i] = prevWordLength;
jboolean isBeginningOfSentenceBoolean = JNI_FALSE;
env->GetBooleanArrayRegion(isBeginningOfSentenceArray, i, 1 /* len */,
&isBeginningOfSentenceBoolean);
isBeginningOfSentence[i] = isBeginningOfSentenceBoolean == JNI_TRUE;
}
return PrevWordsInfo(prevWordCodePoints, prevWordCodePointCount, isBeginningOfSentence,
MAX_PREV_WORD_COUNT_FOR_N_GRAM);
}
static void putBooleanToArray(JNIEnv *env, jbooleanArray array, const int index,
const jboolean value) {
env->SetBooleanArrayRegion(array, index, 1 /* len */, &value);