LatinIME/native/jni/src/dictionary/structure/v2/ver2_patricia_trie_node_rea...

53 lines
2.2 KiB
C++

/*
* Copyright (C) 2014, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "dictionary/structure/v2/ver2_patricia_trie_node_reader.h"
#include "dictionary/structure/pt_common/patricia_trie_reading_utils.h"
namespace latinime {
const PtNodeParams Ver2ParticiaTrieNodeReader::fetchPtNodeParamsInBufferFromPtNodePos(
const int ptNodePos) const {
if (ptNodePos < 0 || ptNodePos >= static_cast<int>(mBuffer.size())) {
// Reading invalid position because of bug or broken dictionary.
AKLOGE("Fetching PtNode info from invalid dictionary position: %d, dictionary size: %zd",
ptNodePos, mBuffer.size());
ASSERT(false);
return PtNodeParams();
}
PatriciaTrieReadingUtils::NodeFlags flags;
int mergedNodeCodePointCount = 0;
int mergedNodeCodePoints[MAX_WORD_LENGTH];
int probability = NOT_A_PROBABILITY;
int childrenPos = NOT_A_DICT_POS;
int shortcutPos = NOT_A_DICT_POS;
int bigramPos = NOT_A_DICT_POS;
int siblingPos = NOT_A_DICT_POS;
PatriciaTrieReadingUtils::readPtNodeInfo(mBuffer.data(), ptNodePos, mShortcutPolicy,
mBigramPolicy, mCodePointTable, &flags, &mergedNodeCodePointCount, mergedNodeCodePoints,
&probability, &childrenPos, &shortcutPos, &bigramPos, &siblingPos);
if (mergedNodeCodePointCount <= 0) {
AKLOGE("Empty PtNode is not allowed. Code point count: %d", mergedNodeCodePointCount);
ASSERT(false);
return PtNodeParams();
}
return PtNodeParams(ptNodePos, flags, mergedNodeCodePointCount, mergedNodeCodePoints,
probability, childrenPos, shortcutPos, bigramPos, siblingPos);
}
}