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/*
* 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_TYPING_SCORING_H
#define LATINIME_TYPING_SCORING_H
#include "defines.h"
#include "suggest/core/policy/scoring.h"
#include "suggest/policyimpl/typing/scoring_params.h"
namespace latinime {
class DicNode;
class DicTraverseSession;
class TypingScoring : public Scoring {
public:
static const TypingScoring *getInstance() { return &sInstance; }
AK_FORCE_INLINE bool getMostProbableString(
const DicTraverseSession *const traverseSession, const int terminalSize,
const float languageWeight, int *const outputCodePoints, int *const type,
int *const freq) const {
return false;
}
AK_FORCE_INLINE void safetyNetForMostProbableString(const int terminalSize,
const int maxScore, int *const outputCodePoints, int *const frequencies) const {
}
AK_FORCE_INLINE void searchWordWithDoubleLetter(DicNode *terminals,
const int terminalSize, int *doubleLetterTerminalIndex,
DoubleLetterLevel *doubleLetterLevel) const {
}
AK_FORCE_INLINE float getAdjustedLanguageWeight(DicTraverseSession *const traverseSession,
DicNode *const terminals, const int size) const {
return 1.0f;
}
AK_FORCE_INLINE int calculateFinalScore(const float compoundDistance,
const int inputSize, const bool forceCommit) const {
const float maxDistance = ScoringParams::DISTANCE_WEIGHT_LANGUAGE
+ static_cast<float>(inputSize) * ScoringParams::TYPING_MAX_OUTPUT_SCORE_PER_INPUT;
const float score = ScoringParams::TYPING_BASE_OUTPUT_SCORE
- compoundDistance / maxDistance
+ (forceCommit ? ScoringParams::AUTOCORRECT_OUTPUT_THRESHOLD : 0.0f);
return static_cast<int>(score * SUGGEST_INTERFACE_OUTPUT_SCALE);
}
AK_FORCE_INLINE float getDoubleLetterDemotionDistanceCost(const int terminalIndex,
const int doubleLetterTerminalIndex,
const DoubleLetterLevel doubleLetterLevel) const {
return 0.0f;
}
AK_FORCE_INLINE bool doesAutoCorrectValidWord() const {
return false;
}
private:
DISALLOW_COPY_AND_ASSIGN(TypingScoring);
static const TypingScoring sInstance;
TypingScoring() {}
~TypingScoring() {}
};
} // namespace latinime
#endif // LATINIME_TYPING_SCORING_H