81 lines
3.0 KiB
C++
81 lines
3.0 KiB
C++
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "LatinIME: jni: Session"
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#include "com_android_inputmethod_latin_DicTraverseSession.h"
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#include "defines.h"
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#include "dictionary/property/ngram_context.h"
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#include "jni.h"
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#include "jni_common.h"
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#include "suggest/core/session/dic_traverse_session.h"
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namespace latinime {
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class Dictionary;
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static jlong latinime_setDicTraverseSession(JNIEnv *env, jclass clazz, jstring localeJStr,
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jlong dictSize) {
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void *traverseSession = DicTraverseSession::getSessionInstance(env, localeJStr, dictSize);
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return reinterpret_cast<jlong>(traverseSession);
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}
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static void latinime_initDicTraverseSession(JNIEnv *env, jclass clazz, jlong traverseSession,
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jlong dictionary, jintArray previousWord, jint previousWordLength) {
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DicTraverseSession *ts = reinterpret_cast<DicTraverseSession *>(traverseSession);
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if (!ts) {
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return;
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}
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Dictionary *dict = reinterpret_cast<Dictionary *>(dictionary);
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if (!previousWord) {
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NgramContext emptyNgramContext;
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ts->init(dict, &emptyNgramContext, 0 /* suggestOptions */);
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return;
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}
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int prevWord[previousWordLength];
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env->GetIntArrayRegion(previousWord, 0, previousWordLength, prevWord);
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NgramContext ngramContext(prevWord, previousWordLength, false /* isStartOfSentence */);
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ts->init(dict, &ngramContext, 0 /* suggestOptions */);
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}
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static void latinime_releaseDicTraverseSession(JNIEnv *env, jclass clazz, jlong traverseSession) {
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DicTraverseSession *ts = reinterpret_cast<DicTraverseSession *>(traverseSession);
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DicTraverseSession::releaseSessionInstance(ts);
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}
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static const JNINativeMethod sMethods[] = {
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{
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const_cast<char *>("setDicTraverseSessionNative"),
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const_cast<char *>("(Ljava/lang/String;J)J"),
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reinterpret_cast<void *>(latinime_setDicTraverseSession)
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},
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{
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const_cast<char *>("initDicTraverseSessionNative"),
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const_cast<char *>("(JJ[II)V"),
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reinterpret_cast<void *>(latinime_initDicTraverseSession)
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},
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{
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const_cast<char *>("releaseDicTraverseSessionNative"),
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const_cast<char *>("(J)V"),
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reinterpret_cast<void *>(latinime_releaseDicTraverseSession)
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}
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};
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int register_DicTraverseSession(JNIEnv *env) {
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const char *const kClassPathName = "com/android/inputmethod/latin/DicTraverseSession";
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return registerNativeMethods(env, kClassPathName, sMethods, NELEMS(sMethods));
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}
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} // namespace latinime
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