gnu_gettext.hpp

//
//  Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
//  Distributed under the Boost Software License, Version 1.0. (See
//  accompanying file LICENSE_1_0.txt or copy at
//  http://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 <boost/function.hpp>
#include <stdexcept>

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

        };
        
        typedef std::vector<domain> domains_type;   
        domains_type domains;           
        std::vector<std::string> paths; 
        
        typedef function<
                    std::vector<char>(
                        std::string const &file_name,
                        std::string const &encoding
                    ) 
                > callback_type;

        callback_type callback;

    };


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

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

    #ifdef BOOST_LOCALE_ENABLE_CHAR16_T
    template<>
    BOOST_LOCALE_DECL message_format<char16_t> *create_messages_facet(messages_info const &info);
    #endif
    
    #ifdef BOOST_LOCALE_ENABLE_CHAR32_T
    template<>
    BOOST_LOCALE_DECL message_format<char32_t> *create_messages_facet(messages_info const &info);
    #endif


} // gnu_gettext


} // locale
} // boost

#endif

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