gnu_gettext.hpp

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

#ifndef BOOST_LOCLAE_GNU_GETTEXT_HPP
#define BOOST_LOCLAE_GNU_GETTEXT_HPP

#include <boost/locale/message.hpp>
#include <functional>
#include <stdexcept>
#include <vector>

namespace boost { namespace locale {

    namespace gnu_gettext {

        struct messages_info {
            messages_info() : language("C"), locale_category("LC_MESSAGES") {}

            std::string language; 
            std::string country;  
            std::string variant;  
            std::string encoding; 
            std::string locale_category; 
            struct domain {
                std::string name;     
                std::string encoding; 
                domain() = default;

                domain(const std::string& n)
                {
                    size_t pos = n.find('/');
                    if(pos == std::string::npos) {
                        name = n;
                        encoding = "UTF-8";
                    } else {
                        name = n.substr(0, pos);
                        encoding = n.substr(pos + 1);
                    }
                }

                bool operator==(const domain& other) const { return name == other.name; }
                bool operator!=(const domain& other) const { return !(*this == other); }
            };

            typedef std::vector<domain> domains_type; 
            domains_type domains; 
            std::vector<std::string> paths; 

            typedef std::function<std::vector<char>(const std::string& file_name, const std::string& encoding)>
              callback_type;

            callback_type callback;
        };

        template<typename CharType>
        message_format<CharType>* create_messages_facet(const messages_info& info);


        template<>
        BOOST_LOCALE_DECL message_format<char>* create_messages_facet(const messages_info& info);

        template<>
        BOOST_LOCALE_DECL message_format<wchar_t>* create_messages_facet(const messages_info& info);

#ifdef BOOST_LOCALE_ENABLE_CHAR16_T
        template<>
        BOOST_LOCALE_DECL message_format<char16_t>* create_messages_facet(const messages_info& info);
#endif

#ifdef BOOST_LOCALE_ENABLE_CHAR32_T
        template<>
        BOOST_LOCALE_DECL message_format<char32_t>* create_messages_facet(const messages_info& info);
#endif


    } // namespace gnu_gettext


}} // namespace boost::locale

#endif