1 /* 2 * Copyright (C) 2018 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "utils/i18n/locale-list.h" 18 19 #include <string> 20 21 namespace libtextclassifier3 { 22 ParseFrom(const std::string & locale_tags)23LocaleList LocaleList::ParseFrom(const std::string& locale_tags) { 24 std::vector<StringPiece> split_locales = strings::Split(locale_tags, ','); 25 std::string reference_locale; 26 if (!split_locales.empty()) { 27 // Assigns the first parsed locale to reference_locale. 28 reference_locale = split_locales[0].ToString(); 29 } else { 30 reference_locale = ""; 31 } 32 std::vector<Locale> locales; 33 for (const StringPiece& locale_str : split_locales) { 34 const Locale locale = Locale::FromBCP47(locale_str.ToString()); 35 if (!locale.IsValid()) { 36 TC3_LOG(WARNING) << "Failed to parse the detected_text_language_tag: " 37 << locale_str.ToString(); 38 } 39 locales.push_back(locale); 40 } 41 return LocaleList(locales, split_locales, reference_locale); 42 } 43 44 } // namespace libtextclassifier3 45