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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_UTILS_I18N_LOCALE_LIST_H_
#define LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_
#include <string>
#include "utils/i18n/locale.h"
#include "utils/strings/split.h"
namespace libtextclassifier3 {
// Parses and hold data about locales (combined by delimiter ',').
class LocaleList {
public:
// Constructs the
// - Collection of locale tag from local_tags
// - Collection of Locale objects from a valid BCP47 tag. (If the tag is
// invalid, an object is created but return false for IsInvalid() call.
// - Assigns the first parsed locale to reference_locale.
static LocaleList ParseFrom(const std::string& locale_tags);
std::vector<Locale> GetLocales() const { return locales_; }
std::vector<StringPiece> GetLocaleTags() const { return split_locales_; }
std::string GetReferenceLocale() const { return reference_locale_; }
private:
LocaleList(const std::vector<Locale>& locales,
const std::vector<StringPiece>& split_locales,
const StringPiece& reference_locale)
: locales_(locales),
split_locales_(split_locales),
reference_locale_(reference_locale.ToString()) {}
const std::vector<Locale> locales_;
const std::vector<StringPiece> split_locales_;
const std::string reference_locale_;
};
} // namespace libtextclassifier3
#endif // LIBTEXTCLASSIFIER_UTILS_I18N_LOCALE_LIST_H_