| // Copyright (C) 2014 Google Inc. |
| // |
| // 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 I18N_ADDRESSINPUT_LANGUAGE_H_ |
| #define I18N_ADDRESSINPUT_LANGUAGE_H_ |
| |
| #include <string> |
| |
| namespace i18n { |
| namespace addressinput { |
| |
| class Rule; |
| |
| // Helper for working with a BCP 47 language tag. |
| // http://tools.ietf.org/html/bcp47 |
| struct Language { |
| explicit Language(const std::string& language_tag); |
| ~Language(); |
| |
| // The language tag (with '_' replaced with '-'), for example "zh-Latn-CN". |
| std::string tag; |
| |
| // The base language, for example "zh". Always lowercase. |
| std::string base; |
| |
| // True if the language tag explicitly has a Latin script. For example, this |
| // is true for "zh-Latn", but false for "zh". Only the second and third subtag |
| // positions are supported for script. |
| bool has_latin_script; |
| }; |
| |
| Language ChooseBestAddressLanguage(const Rule& address_region_rule, |
| const Language& ui_language); |
| |
| } // namespace addressinput |
| } // namespace i18n |
| |
| #endif // I18N_ADDRESSINPUT_LANGUAGE_H_ |