53 lines
2.2 KiB
C++
53 lines
2.2 KiB
C++
/*
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* Copyright (C) 2014, 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 "dictionary/structure/v2/ver2_patricia_trie_node_reader.h"
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#include "dictionary/structure/pt_common/patricia_trie_reading_utils.h"
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namespace latinime {
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const PtNodeParams Ver2ParticiaTrieNodeReader::fetchPtNodeParamsInBufferFromPtNodePos(
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const int ptNodePos) const {
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if (ptNodePos < 0 || ptNodePos >= static_cast<int>(mBuffer.size())) {
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// Reading invalid position because of bug or broken dictionary.
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AKLOGE("Fetching PtNode info from invalid dictionary position: %d, dictionary size: %zd",
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ptNodePos, mBuffer.size());
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ASSERT(false);
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return PtNodeParams();
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}
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PatriciaTrieReadingUtils::NodeFlags flags;
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int mergedNodeCodePointCount = 0;
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int mergedNodeCodePoints[MAX_WORD_LENGTH];
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int probability = NOT_A_PROBABILITY;
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int childrenPos = NOT_A_DICT_POS;
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int shortcutPos = NOT_A_DICT_POS;
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int bigramPos = NOT_A_DICT_POS;
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int siblingPos = NOT_A_DICT_POS;
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PatriciaTrieReadingUtils::readPtNodeInfo(mBuffer.data(), ptNodePos, mShortcutPolicy,
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mBigramPolicy, mCodePointTable, &flags, &mergedNodeCodePointCount, mergedNodeCodePoints,
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&probability, &childrenPos, &shortcutPos, &bigramPos, &siblingPos);
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if (mergedNodeCodePointCount <= 0) {
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AKLOGE("Empty PtNode is not allowed. Code point count: %d", mergedNodeCodePointCount);
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ASSERT(false);
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return PtNodeParams();
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}
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return PtNodeParams(ptNodePos, flags, mergedNodeCodePointCount, mergedNodeCodePoints,
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probability, childrenPos, shortcutPos, bigramPos, siblingPos);
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}
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}
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