98 lines
3.7 KiB
Java
98 lines
3.7 KiB
Java
/*
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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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package com.android.inputmethod.latin;
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import com.android.inputmethod.latin.common.NativeSuggestOptions;
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import com.android.inputmethod.latin.define.DecoderSpecificConstants;
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import com.android.inputmethod.latin.utils.JniUtils;
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import java.util.Locale;
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public final class DicTraverseSession {
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static {
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JniUtils.loadNativeLibrary();
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}
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// Must be equal to MAX_RESULTS in native/jni/src/defines.h
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private static final int MAX_RESULTS = 18;
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public final int[] mInputCodePoints =
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new int[DecoderSpecificConstants.DICTIONARY_MAX_WORD_LENGTH];
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public final int[][] mPrevWordCodePointArrays =
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new int[DecoderSpecificConstants.MAX_PREV_WORD_COUNT_FOR_N_GRAM][];
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public final boolean[] mIsBeginningOfSentenceArray =
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new boolean[DecoderSpecificConstants.MAX_PREV_WORD_COUNT_FOR_N_GRAM];
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public final int[] mOutputSuggestionCount = new int[1];
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public final int[] mOutputCodePoints =
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new int[DecoderSpecificConstants.DICTIONARY_MAX_WORD_LENGTH * MAX_RESULTS];
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public final int[] mSpaceIndices = new int[MAX_RESULTS];
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public final int[] mOutputScores = new int[MAX_RESULTS];
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public final int[] mOutputTypes = new int[MAX_RESULTS];
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// Only one result is ever used
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public final int[] mOutputAutoCommitFirstWordConfidence = new int[1];
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public final float[] mInputOutputWeightOfLangModelVsSpatialModel = new float[1];
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public final NativeSuggestOptions mNativeSuggestOptions = new NativeSuggestOptions();
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private static native long setDicTraverseSessionNative(String locale, long dictSize);
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private static native void initDicTraverseSessionNative(long nativeDicTraverseSession,
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long dictionary, int[] previousWord, int previousWordLength);
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private static native void releaseDicTraverseSessionNative(long nativeDicTraverseSession);
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private long mNativeDicTraverseSession;
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public DicTraverseSession(Locale locale, long dictionary, long dictSize) {
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mNativeDicTraverseSession = createNativeDicTraverseSession(
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locale != null ? locale.toString() : "", dictSize);
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initSession(dictionary);
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}
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public long getSession() {
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return mNativeDicTraverseSession;
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}
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public void initSession(long dictionary) {
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initSession(dictionary, null, 0);
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}
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public void initSession(long dictionary, int[] previousWord, int previousWordLength) {
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initDicTraverseSessionNative(
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mNativeDicTraverseSession, dictionary, previousWord, previousWordLength);
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}
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private static long createNativeDicTraverseSession(String locale, long dictSize) {
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return setDicTraverseSessionNative(locale, dictSize);
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}
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private void closeInternal() {
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if (mNativeDicTraverseSession != 0) {
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releaseDicTraverseSessionNative(mNativeDicTraverseSession);
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mNativeDicTraverseSession = 0;
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}
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}
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public void close() {
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closeInternal();
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}
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@Override
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protected void finalize() throws Throwable {
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try {
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closeInternal();
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} finally {
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super.finalize();
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}
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}
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}
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