localization_backend.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_LOCALE_LOCALIZATION_BACKEND_HPP
#define BOOST_LOCALE_LOCALIZATION_BACKEND_HPP
#include <boost/locale/config.hpp>
#include <boost/locale/generator.hpp>
#ifdef BOOST_MSVC
#  pragma warning(push)
#  pragma warning(disable : 4275 4251 4231 4660)
#endif
#include <string>
#include <locale>
#include <vector>
#include <memory>

namespace boost {
    namespace locale {

        
        class localization_backend {
            localization_backend(localization_backend const &);
            void operator=(localization_backend const &);
        public:

            localization_backend()
            {
            }
            
            virtual ~localization_backend()
            {
            }

            virtual localization_backend *clone() const = 0;

            virtual void set_option(std::string const &name,std::string const &value) = 0;

            virtual void clear_options() = 0;

            virtual std::locale install(std::locale const &base,locale_category_type category,character_facet_type type = nochar_facet) = 0;

        }; // localization_backend 



        class BOOST_LOCALE_DECL localization_backend_manager {
        public:
            localization_backend_manager();
            localization_backend_manager(localization_backend_manager const &);
            localization_backend_manager const &operator=(localization_backend_manager const &);

            ~localization_backend_manager();

            std::auto_ptr<localization_backend> get() const;

            void add_backend(std::string const &name,std::auto_ptr<localization_backend> backend);

            void remove_all_backends();
            
            std::vector<std::string> get_all_backends() const;
            
            void select(std::string const &backend_name,locale_category_type category = all_categories);
           
            static localization_backend_manager global(localization_backend_manager const &);
            static localization_backend_manager global();
        private:
            class impl;
            std::auto_ptr<impl> pimpl_;
        };

    } // locale
} // boost


#ifdef BOOST_MSVC
#pragma warning(pop)
#endif

#endif
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