locale_data.hpp

//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
// Copyright (c) 2023 Alexander Grund
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

#ifndef BOOST_LOCALE_UTIL_LOCALE_DATA_HPP
#define BOOST_LOCALE_UTIL_LOCALE_DATA_HPP

#include <boost/locale/config.hpp>
#include <string>

#ifdef BOOST_MSVC
#    pragma warning(push)
#    pragma warning(disable : 4251)
#endif

namespace boost { namespace locale { namespace util {

    class BOOST_LOCALE_DECL locale_data {
        std::string language_;
        std::string country_;
        std::string encoding_;
        std::string variant_;
        bool utf8_;

    public:
        // Default to C locale with US-ASCII encoding
        locale_data();
        // Construct from the parsed locale \see \ref parse
        // Throws `std::invalid_argument` if parsing fails
        explicit locale_data(const std::string& locale_name);

        const std::string& language() const { return language_; }
        const std::string& country() const { return country_; }
        const std::string& encoding() const { return encoding_; }
        const std::string& variant() const { return variant_; }
        bool is_utf8() const { return utf8_; }

        bool parse(const std::string& locale_name);

        std::string to_string() const;

    private:
        void reset();
        bool parse_from_lang(const std::string& input);
        bool parse_from_country(const std::string& input);
        bool parse_from_encoding(const std::string& input);
        bool parse_from_variant(const std::string& input);
    };

}}} // namespace boost::locale::util

#ifdef BOOST_MSVC
#    pragma warning(pop)
#endif
#endif