LatinIME/native/src/dictionary.cpp

64 lines
2.4 KiB
C++

/*
**
** Copyright 2009, 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 <stdio.h>
#define LOG_TAG "LatinIME: dictionary.cpp"
#include "binary_format.h"
#include "dictionary.h"
namespace latinime {
// TODO: Change the type of all keyCodes to uint32_t
Dictionary::Dictionary(void *dict, int dictSize, int mmapFd, int dictBufAdjust,
int typedLetterMultiplier, int fullWordMultiplier,
int maxWordLength, int maxWords, int maxAlternatives)
: mDict((unsigned char*) dict), mDictSize(dictSize),
mMmapFd(mmapFd), mDictBufAdjust(dictBufAdjust),
// Checks whether it has the latest dictionary or the old dictionary
IS_LATEST_DICT_VERSION((((unsigned char*) dict)[0] & 0xFF) >= DICTIONARY_VERSION_MIN) {
if (DEBUG_DICT) {
if (MAX_WORD_LENGTH_INTERNAL < maxWordLength) {
AKLOGI("Max word length (%d) is greater than %d",
maxWordLength, MAX_WORD_LENGTH_INTERNAL);
AKLOGI("IN NATIVE SUGGEST Version: %d", (mDict[0] & 0xFF));
}
}
mCorrection = new Correction(typedLetterMultiplier, fullWordMultiplier);
mWordsPriorityQueuePool = new WordsPriorityQueuePool(
maxWords, SUB_QUEUE_MAX_WORDS, maxWordLength);
const unsigned int headerSize = BinaryFormat::getHeaderSize(mDict);
mUnigramDictionary = new UnigramDictionary(mDict + headerSize, typedLetterMultiplier,
fullWordMultiplier, maxWordLength, maxWords, maxAlternatives, IS_LATEST_DICT_VERSION);
mBigramDictionary = new BigramDictionary(mDict + headerSize, maxWordLength, maxAlternatives,
IS_LATEST_DICT_VERSION, true /* hasBigram */, this);
}
Dictionary::~Dictionary() {
delete mCorrection;
delete mWordsPriorityQueuePool;
delete mUnigramDictionary;
delete mBigramDictionary;
}
bool Dictionary::isValidWord(unsigned short *word, int length) {
return mUnigramDictionary->isValidWord(word, length);
}
} // namespace latinime