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Extend jni interface to support time stamp and shortcut. 

Bug: 11073222

Change-Id: I19e0501850917a13ddc756d3e78fc6f6cf3f33c4
main
Keisuke Kuroyanagi 2013-11-26 21:31:26 +09:00
parent ca16be7552
commit 9cdca3255b
2 changed files with 42 additions and 8 deletions
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31
java/src/com/android/inputmethod/latin/BinaryDictionary.java
View File

@ -57,6 +57,8 @@ public final class BinaryDictionary extends Dictionary {
@UsedForTesting
public static final String MAX_BIGRAM_COUNT_QUERY = "MAX_BIGRAM_COUNT";
private static final int NOT_A_VALID_TIME_STAMP = -1;
private long mNativeDict;
private final Locale mLocale;
private final long mDictSize;
@ -133,9 +135,11 @@ public final class BinaryDictionary extends Dictionary {
int[] outputAutoCommitFirstWordConfidence);
private static native float calcNormalizedScoreNative(int[] before, int[] after, int score);
private static native int editDistanceNative(int[] before, int[] after);
private static native void addUnigramWordNative(long dict, int[] word, int probability);
private static native void addUnigramWordNative(long dict, int[] word, int probability,
int[] shortcutTarget, int shortcutProbability, boolean isNotAWord,
boolean isBlacklisted, int timeStamp);
private static native void addBigramWordsNative(long dict, int[] word0, int[] word1,
int probability);
int probability, int timeStamp);
private static native void removeBigramWordsNative(long dict, int[] word0, int[] word1);
private static native int addMultipleDictionaryEntriesNative(long dict,
LanguageModelParam[] languageModelParams, int startIndex);
@ -282,7 +286,10 @@ public final class BinaryDictionary extends Dictionary {
return;
}
final int[] codePoints = StringUtils.toCodePointArray(word);
addUnigramWordNative(mNativeDict, codePoints, probability);
final int[] shortcutTarget = new int[0];
addUnigramWordNative(mNativeDict, codePoints, probability, shortcutTarget,
NOT_A_PROBABILITY, false /* isNotAWord */, false /* isBlacklisted */,
NOT_A_VALID_TIME_STAMP);
}
// Add a bigram entry to binary dictionary in native code.
@ -292,7 +299,8 @@ public final class BinaryDictionary extends Dictionary {
}
final int[] codePoints0 = StringUtils.toCodePointArray(word0);
final int[] codePoints1 = StringUtils.toCodePointArray(word1);
addBigramWordsNative(mNativeDict, codePoints0, codePoints1, probability);
addBigramWordsNative(mNativeDict, codePoints0, codePoints1, probability,
NOT_A_VALID_TIME_STAMP);
}
// Remove a bigram entry form binary dictionary in native code.
@ -308,15 +316,25 @@ public final class BinaryDictionary extends Dictionary {
public static class LanguageModelParam {
public final int[] mWord0;
public final int[] mWord1;
public final int[] mShortcutTarget;
public final int mUnigramProbability;
public final int mBigramProbability;
public final int mShortcutProbability;
public final boolean mIsNotAWord;
public final boolean mIsBlacklisted;
public final int mTimeStamp;
// Constructor for unigram.
public LanguageModelParam(final String word, final int unigramProbability) {
mWord0 = null;
mWord1 = StringUtils.toCodePointArray(word);
mShortcutTarget = null;
mUnigramProbability = unigramProbability;
mBigramProbability = NOT_A_PROBABILITY;
mShortcutProbability = NOT_A_PROBABILITY;
mIsNotAWord = false;
mIsBlacklisted = false;
mTimeStamp = NOT_A_VALID_TIME_STAMP;
}
// Constructor for unigram and bigram.
@ -324,8 +342,13 @@ public final class BinaryDictionary extends Dictionary {
final int unigramProbability, final int bigramProbability) {
mWord0 = StringUtils.toCodePointArray(word0);
mWord1 = StringUtils.toCodePointArray(word1);
mShortcutTarget = null;
mUnigramProbability = unigramProbability;
mBigramProbability = bigramProbability;
mShortcutProbability = NOT_A_PROBABILITY;
mIsNotAWord = false;
mIsBlacklisted = false;
mTimeStamp = NOT_A_VALID_TIME_STAMP;
}
}

19
native/jni/com_android_inputmethod_latin_BinaryDictionary.cpp
View File

@ -277,7 +277,8 @@ static jint latinime_BinaryDictionary_editDistance(JNIEnv *env, jclass clazz, ji
}
static void latinime_BinaryDictionary_addUnigramWord(JNIEnv *env, jclass clazz, jlong dict,
jintArray word, jint probability) {
jintArray word, jint probability, jintArray shortcutTarget, jint shortuctProbability,
jboolean isNotAWord, jboolean isBlacklisted, jint timeStamp) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) {
return;
@ -285,11 +286,16 @@ static void latinime_BinaryDictionary_addUnigramWord(JNIEnv *env, jclass clazz,
jsize wordLength = env->GetArrayLength(word);
int codePoints[wordLength];
env->GetIntArrayRegion(word, 0, wordLength, codePoints);
jsize shortcutLength = shortcutTarget ? env->GetArrayLength(shortcutTarget) : 0;
int shortcutTargetCodePoints[wordLength];
if (shortcutTarget) {
env->GetIntArrayRegion(shortcutTarget, 0, shortcutLength, shortcutTargetCodePoints);
}
dictionary->addUnigramWord(codePoints, wordLength, probability);
}
static void latinime_BinaryDictionary_addBigramWords(JNIEnv *env, jclass clazz, jlong dict,
jintArray word0, jintArray word1, jint probability) {
jintArray word0, jintArray word1, jint probability, jint timeStamp) {
Dictionary *dictionary = reinterpret_cast<Dictionary *>(dict);
if (!dictionary) {
return;
@ -335,6 +341,8 @@ static int latinime_BinaryDictionary_addMultipleDictionaryEntries(JNIEnv *env, j
jobject languageModelParam = env->GetObjectArrayElement(languageModelParams, 0);
jclass languageModelParamClass = env->GetObjectClass(languageModelParam);
env->DeleteLocalRef(languageModelParam);
// TODO: Support shortcut, timestamp and flags.
jfieldID word0FieldId = env->GetFieldID(languageModelParamClass, "mWord0", "[I");
jfieldID word1FieldId = env->GetFieldID(languageModelParamClass, "mWord1", "[I");
jfieldID unigramProbabilityFieldId =
@ -345,6 +353,9 @@ static int latinime_BinaryDictionary_addMultipleDictionaryEntries(JNIEnv *env, j
for (int i = startIndex; i < languageModelParamCount; ++i) {
jobject languageModelParam = env->GetObjectArrayElement(languageModelParams, i);
// languageModelParam is a set of params for word1; thus, word1 cannot be null. On the
// other hand, word0 can be null and then it means the set of params doesn't contain bigram
// information.
jintArray word0 = static_cast<jintArray>(
env->GetObjectField(languageModelParam, word0FieldId));
jsize word0Length = word0 ? env->GetArrayLength(word0) : 0;
@ -459,12 +470,12 @@ static const JNINativeMethod sMethods[] = {
},
{
const_cast<char *>("addUnigramWordNative"),
const_cast<char *>("(J[II)V"),
const_cast<char *>("(J[II[IIZZI)V"),
reinterpret_cast<void *>(latinime_BinaryDictionary_addUnigramWord)
},
{
const_cast<char *>("addBigramWordsNative"),
const_cast<char *>("(J[I[II)V"),
const_cast<char *>("(J[I[III)V"),
reinterpret_cast<void *>(latinime_BinaryDictionary_addBigramWords)
},
{