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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_HEADER_POLICY_H
#define LATINIME_HEADER_POLICY_H
#include <stdint.h>
#include "defines.h"
#include "suggest/core/policy/dictionary_header_structure_policy.h"
#include "suggest/policyimpl/dictionary/header/header_reading_utils.h"
namespace latinime {
class HeaderPolicy : public DictionaryHeaderStructurePolicy {
public:
explicit HeaderPolicy(const uint8_t *const dictBuf)
: mDictBuf(dictBuf), mDictionaryFlags(HeaderReadingUtils::getFlags(dictBuf)),
mSize(HeaderReadingUtils::getHeaderSize(dictBuf)),
mMultiWordCostMultiplier(readMultiWordCostMultiplier()) {}
~HeaderPolicy() {}
AK_FORCE_INLINE int getSize() const {
return mSize;
}
AK_FORCE_INLINE bool supportsDynamicUpdate() const {
return HeaderReadingUtils::supportsDynamicUpdate(mDictionaryFlags);
}
AK_FORCE_INLINE bool requiresGermanUmlautProcessing() const {
return HeaderReadingUtils::requiresGermanUmlautProcessing(mDictionaryFlags);
}
AK_FORCE_INLINE bool requiresFrenchLigatureProcessing() const {
return HeaderReadingUtils::requiresFrenchLigatureProcessing(
mDictionaryFlags);
}
AK_FORCE_INLINE float getMultiWordCostMultiplier() const {
return mMultiWordCostMultiplier;
}
AK_FORCE_INLINE void readHeaderValueOrQuestionMark(const char *const key,
int *outValue, int outValueSize) const {
if (outValueSize <= 0) return;
if (outValueSize == 1) {
outValue[0] = '\0';
return;
}
if (!HeaderReadingUtils::readHeaderValue(mDictBuf,
key, outValue, outValueSize)) {
outValue[0] = '?';
outValue[1] = '\0';
}
}
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(HeaderPolicy);
static const char *const MULTIPLE_WORDS_DEMOTION_RATE_KEY;
static const float DEFAULT_MULTI_WORD_COST_MULTIPLIER;
static const float MULTI_WORD_COST_MULTIPLIER_SCALE;
const uint8_t *const mDictBuf;
const HeaderReadingUtils::DictionaryFlags mDictionaryFlags;
const int mSize;
const float mMultiWordCostMultiplier;
float readMultiWordCostMultiplier() const;
};
} // namespace latinime
#endif /* LATINIME_HEADER_POLICY_H */
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