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