91 lines
2.9 KiB
C++
91 lines
2.9 KiB
C++
/*
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* Copyright (C) 2011 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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#ifndef LATINIME_WORDS_PRIORITY_QUEUE_POOL_H
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#define LATINIME_WORDS_PRIORITY_QUEUE_POOL_H
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#include <assert.h>
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#include <new>
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#include "words_priority_queue.h"
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namespace latinime {
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class WordsPriorityQueuePool {
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public:
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WordsPriorityQueuePool(int mainQueueMaxWords, int subQueueMaxWords, int maxWordLength) {
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mMasterQueue = new(mMasterQueueBuf) WordsPriorityQueue(mainQueueMaxWords, maxWordLength);
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for (int i = 0, subQueueBufOffset = 0;
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i < MULTIPLE_WORDS_SUGGESTION_MAX_WORDS * SUB_QUEUE_MAX_COUNT;
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++i, subQueueBufOffset += sizeof(WordsPriorityQueue)) {
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mSubQueues[i] = new(mSubQueueBuf + subQueueBufOffset)
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WordsPriorityQueue(subQueueMaxWords, maxWordLength);
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}
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}
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virtual ~WordsPriorityQueuePool() {
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}
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WordsPriorityQueue* getMasterQueue() {
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return mMasterQueue;
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}
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WordsPriorityQueue* getSubQueue(const int wordIndex, const int inputWordLength) {
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if (wordIndex >= MULTIPLE_WORDS_SUGGESTION_MAX_WORDS) {
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return 0;
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}
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if (inputWordLength < 0 || inputWordLength >= SUB_QUEUE_MAX_COUNT) {
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if (DEBUG_WORDS_PRIORITY_QUEUE) {
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assert(false);
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}
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return 0;
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}
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return mSubQueues[wordIndex * SUB_QUEUE_MAX_COUNT + inputWordLength];
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}
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inline void clearAll() {
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mMasterQueue->clear();
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for (int i = 0; i < MULTIPLE_WORDS_SUGGESTION_MAX_WORDS; ++i) {
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clearSubQueue(i);
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}
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}
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inline void clearSubQueue(const int wordIndex) {
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for (int i = 0; i < SUB_QUEUE_MAX_COUNT; ++i) {
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WordsPriorityQueue* queue = getSubQueue(wordIndex, i);
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if (queue) {
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queue->clear();
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}
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}
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}
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void dumpSubQueue1TopSuggestions() {
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AKLOGI("DUMP SUBQUEUE1 TOP SUGGESTIONS");
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for (int i = 0; i < SUB_QUEUE_MAX_COUNT; ++i) {
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getSubQueue(0, i)->dumpTopWord();
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}
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}
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private:
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WordsPriorityQueue* mMasterQueue;
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WordsPriorityQueue* mSubQueues[SUB_QUEUE_MAX_COUNT * MULTIPLE_WORDS_SUGGESTION_MAX_WORDS];
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char mMasterQueueBuf[sizeof(WordsPriorityQueue)];
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char mSubQueueBuf[MULTIPLE_WORDS_SUGGESTION_MAX_WORDS
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* SUB_QUEUE_MAX_COUNT * sizeof(WordsPriorityQueue)];
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};
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}
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#endif // LATINIME_WORDS_PRIORITY_QUEUE_POOL_H
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