LatinIME/native/jni/src/dictionary/utils/binary_dictionary_bigrams_i...

70 lines
2.4 KiB
C++

/*
* Copyright (C) 2013 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.
*/
#ifndef LATINIME_BINARY_DICTIONARY_BIGRAMS_ITERATOR_H
#define LATINIME_BINARY_DICTIONARY_BIGRAMS_ITERATOR_H
#include "defines.h"
#include "dictionary/interface/dictionary_bigrams_structure_policy.h"
namespace latinime {
class BinaryDictionaryBigramsIterator {
public:
// Empty iterator.
BinaryDictionaryBigramsIterator()
: mBigramsStructurePolicy(nullptr), mPos(NOT_A_DICT_POS),
mBigramPos(NOT_A_DICT_POS), mProbability(NOT_A_PROBABILITY), mHasNext(false) {}
BinaryDictionaryBigramsIterator(
const DictionaryBigramsStructurePolicy *const bigramsStructurePolicy, const int pos)
: mBigramsStructurePolicy(bigramsStructurePolicy), mPos(pos),
mBigramPos(NOT_A_DICT_POS), mProbability(NOT_A_PROBABILITY),
mHasNext(pos != NOT_A_DICT_POS) {}
BinaryDictionaryBigramsIterator(BinaryDictionaryBigramsIterator &&bigramsIterator) noexcept
: mBigramsStructurePolicy(bigramsIterator.mBigramsStructurePolicy),
mPos(bigramsIterator.mPos), mBigramPos(bigramsIterator.mBigramPos),
mProbability(bigramsIterator.mProbability), mHasNext(bigramsIterator.mHasNext) {}
AK_FORCE_INLINE bool hasNext() const {
return mHasNext;
}
AK_FORCE_INLINE void next() {
mBigramsStructurePolicy->getNextBigram(&mBigramPos, &mProbability, &mHasNext, &mPos);
}
AK_FORCE_INLINE int getProbability() const {
return mProbability;
}
AK_FORCE_INLINE int getBigramPos() const {
return mBigramPos;
}
private:
DISALLOW_COPY_AND_ASSIGN(BinaryDictionaryBigramsIterator);
const DictionaryBigramsStructurePolicy *const mBigramsStructurePolicy;
int mPos;
int mBigramPos;
int mProbability;
bool mHasNext;
};
} // namespace latinime
#endif // LATINIME_BINARY_DICTIONARY_BIGRAMS_ITERATOR_H