1 /* 2 * Copyright (C) 2014, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "dictionary/structure/v2/ver2_patricia_trie_node_reader.h" 18 19 #include "dictionary/structure/pt_common/patricia_trie_reading_utils.h" 20 21 namespace latinime { 22 23 const PtNodeParams Ver2ParticiaTrieNodeReader::fetchPtNodeParamsInBufferFromPtNodePos( 24 const int ptNodePos) const { 25 if (ptNodePos < 0 || ptNodePos >= static_cast<int>(mBuffer.size())) { 26 // Reading invalid position because of bug or broken dictionary. 27 AKLOGE("Fetching PtNode info from invalid dictionary position: %d, dictionary size: %zd", 28 ptNodePos, mBuffer.size()); 29 ASSERT(false); 30 return PtNodeParams(); 31 } 32 PatriciaTrieReadingUtils::NodeFlags flags; 33 int mergedNodeCodePointCount = 0; 34 int mergedNodeCodePoints[MAX_WORD_LENGTH]; 35 int probability = NOT_A_PROBABILITY; 36 int childrenPos = NOT_A_DICT_POS; 37 int shortcutPos = NOT_A_DICT_POS; 38 int bigramPos = NOT_A_DICT_POS; 39 int siblingPos = NOT_A_DICT_POS; 40 PatriciaTrieReadingUtils::readPtNodeInfo(mBuffer.data(), ptNodePos, mShortcutPolicy, 41 mBigramPolicy, mCodePointTable, &flags, &mergedNodeCodePointCount, mergedNodeCodePoints, 42 &probability, &childrenPos, &shortcutPos, &bigramPos, &siblingPos); 43 if (mergedNodeCodePointCount <= 0) { 44 AKLOGE("Empty PtNode is not allowed. Code point count: %d", mergedNodeCodePointCount); 45 ASSERT(false); 46 return PtNodeParams(); 47 } 48 return PtNodeParams(ptNodePos, flags, mergedNodeCodePointCount, mergedNodeCodePoints, 49 probability, childrenPos, shortcutPos, bigramPos, siblingPos); 50 } 51 52 } 53