76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
/*
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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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#include "words_priority_queue.h"
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namespace latinime {
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int WordsPriorityQueue::outputSuggestions(const int *before, const int beforeLength,
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int *frequencies, int *outputCodePoints, int* outputTypes) {
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mHighestSuggestedWord = 0;
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const int size = min(MAX_WORDS, static_cast<int>(mSuggestions.size()));
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SuggestedWord *swBuffer[size];
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int index = size - 1;
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while (!mSuggestions.empty() && index >= 0) {
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SuggestedWord *sw = mSuggestions.top();
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if (DEBUG_WORDS_PRIORITY_QUEUE) {
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AKLOGI("dump word. %d", sw->mScore);
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DUMP_WORD(sw->mWord, sw->mWordLength);
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}
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swBuffer[index] = sw;
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mSuggestions.pop();
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--index;
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}
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if (size >= 2) {
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SuggestedWord *nsMaxSw = 0;
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int maxIndex = 0;
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float maxNs = 0;
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for (int i = 0; i < size; ++i) {
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SuggestedWord *tempSw = swBuffer[i];
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if (!tempSw) {
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continue;
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}
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const float tempNs = getNormalizedScore(tempSw, before, beforeLength, 0, 0, 0);
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if (tempNs >= maxNs) {
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maxNs = tempNs;
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maxIndex = i;
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nsMaxSw = tempSw;
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}
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}
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if (maxIndex > 0 && nsMaxSw) {
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memmove(&swBuffer[1], &swBuffer[0], maxIndex * sizeof(swBuffer[0]));
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swBuffer[0] = nsMaxSw;
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}
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}
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for (int i = 0; i < size; ++i) {
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SuggestedWord *sw = swBuffer[i];
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if (!sw) {
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AKLOGE("SuggestedWord is null %d", i);
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continue;
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}
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const int wordLength = sw->mWordLength;
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int *targetAddress = outputCodePoints + i * MAX_WORD_LENGTH;
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frequencies[i] = sw->mScore;
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outputTypes[i] = sw->mType;
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memcpy(targetAddress, sw->mWord, wordLength * sizeof(targetAddress[0]));
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if (wordLength < MAX_WORD_LENGTH) {
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targetAddress[wordLength] = 0;
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}
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sw->mUsed = false;
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}
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return size;
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}
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} // namespace latinime
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