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/*
* Copyright (C) 2018 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 LIBTEXTCLASSIFIER_ANNOTATOR_VOCAB_VOCAB_ANNOTATOR_IMPL_H_
#define LIBTEXTCLASSIFIER_ANNOTATOR_VOCAB_VOCAB_ANNOTATOR_IMPL_H_
#include "annotator/feature-processor.h"
#include "annotator/model_generated.h"
#include "annotator/types.h"
#include "annotator/vocab/vocab-level-table.h"
#include "utils/i18n/locale.h"
#include "utils/utf8/unicodetext.h"
#include "utils/utf8/unilib.h"
namespace libtextclassifier3 {
// Annotates vocabs of different levels which users may want to look them up
// in a dictionary.
class VocabAnnotator {
public:
static std::unique_ptr<VocabAnnotator> Create(
const VocabModel *model, const FeatureProcessor &feature_processor,
const UniLib &unilib);
bool Annotate(const UnicodeText &context,
const std::vector<Locale> detected_text_language_tags,
bool trigger_on_beginner_words,
std::vector<AnnotatedSpan> *results) const;
bool ClassifyText(const UnicodeText &context, CodepointSpan click,
const std::vector<Locale> detected_text_language_tags,
bool trigger_on_beginner_words,
ClassificationResult *result) const;
private:
explicit VocabAnnotator(std::unique_ptr<VocabLevelTable> vocab_level_table,
const std::vector<Locale> &triggering_locales,
const FeatureProcessor &feature_processor,
const UniLib &unilib, const VocabModel *model);
bool ClassifyTextInternal(
const UnicodeText &context, const CodepointSpan click,
const std::vector<Locale> detected_text_language_tags,
bool trigger_on_beginner_words,
ClassificationResult *classification_result,
CodepointSpan *classified_span) const;
bool ShouldTriggerOnBeginnerVocabs() const;
const std::unique_ptr<VocabLevelTable> vocab_level_table_;
// Locales for which this annotator triggers.
const std::vector<Locale> triggering_locales_;
const FeatureProcessor &feature_processor_;
const UniLib &unilib_;
const VocabModel *model_;
};
} // namespace libtextclassifier3
#endif // LIBTEXTCLASSIFIER_ANNOTATOR_VOCAB_VOCAB_ANNOTATOR_IMPL_H_