| // Copyright 2020 Google LLC |
| // |
| // 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 |
| // |
| // https://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. |
| // |
| |
| #include "utils/i18n/locale-list.h" |
| |
| #include <string> |
| |
| namespace libtextclassifier3 { |
| |
| LocaleList LocaleList::ParseFrom(const std::string& locale_tags) { |
| std::vector<StringPiece> split_locales = strings::Split(locale_tags, ','); |
| std::string reference_locale; |
| if (!split_locales.empty()) { |
| // Assigns the first parsed locale to reference_locale. |
| reference_locale = split_locales[0].ToString(); |
| } else { |
| reference_locale = ""; |
| } |
| std::vector<Locale> locales; |
| for (const StringPiece& locale_str : split_locales) { |
| const Locale locale = Locale::FromBCP47(locale_str.ToString()); |
| if (!locale.IsValid()) { |
| TC3_LOG(WARNING) << "Failed to parse the detected_text_language_tag: " |
| << locale_str.ToString(); |
| } |
| locales.push_back(locale); |
| } |
| return LocaleList(locales, split_locales, reference_locale); |
| } |
| |
| } // namespace libtextclassifier3 |
