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64 lines
2.3 KiB
64 lines
2.3 KiB
4 months ago
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/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBTEXTCLASSIFIER_LANG_ID_LANG_ID_WRAPPER_H_
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#define LIBTEXTCLASSIFIER_LANG_ID_LANG_ID_WRAPPER_H_
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#include <string>
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#include <utility>
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#include <vector>
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#include "lang_id/lang-id.h"
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namespace libtextclassifier3 {
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namespace langid {
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// Loads the LangId model from a given path.
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std::unique_ptr<libtextclassifier3::mobile::lang_id::LangId> LoadFromPath(
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const std::string& path);
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// Loads the LangId model from a file descriptor.
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std::unique_ptr<libtextclassifier3::mobile::lang_id::LangId> LoadFromDescriptor(
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const int fd);
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// Loads the LangId model from a buffer. The buffer needs to outlive the LangId
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// instance.
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std::unique_ptr<libtextclassifier3::mobile::lang_id::LangId> LoadFromUnownedBuffer(
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const char* buffer, int size);
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// Returns the LangId predictions (locale, confidence) from the given LangId
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// model. The maximum number of predictions returned will be computed internally
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// relatively to the noise threshold.
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std::vector<std::pair<std::string, float>> GetPredictions(
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const libtextclassifier3::mobile::lang_id::LangId* model, const std::string& text);
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// Same as above but takes a char pointer and byte length.
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std::vector<std::pair<std::string, float>> GetPredictions(
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const libtextclassifier3::mobile::lang_id::LangId* model, const char* text,
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int text_size);
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// Returns the language tags string from the given LangId model. The language
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// tags will be filtered internally by the LangId threshold.
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std::string GetLanguageTags(const libtextclassifier3::mobile::lang_id::LangId* model,
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const std::string& text);
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} // namespace langid
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} // namespace libtextclassifier3
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#endif // LIBTEXTCLASSIFIER_LANG_ID_LANG_ID_WRAPPER_H_
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