boost/iostreams/imbue.hpp
// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) // (C) Copyright 2003-2007 Jonathan Turkanis // 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.) // See http://www.boost.org/libs/iostreams for documentation. #ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED #define BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif #include <boost/config.hpp> // DEDUCED_TYPENAME, MSVC. #include <boost/detail/workaround.hpp> #include <boost/iostreams/detail/dispatch.hpp> #include <boost/iostreams/detail/streambuf.hpp> #include <boost/iostreams/detail/wrap_unwrap.hpp> #include <boost/iostreams/operations_fwd.hpp> #include <boost/mpl/if.hpp> // Must come last. #include <boost/iostreams/detail/config/disable_warnings.hpp> namespace boost { namespace iostreams { namespace detail { // Implementation templates for simulated tag dispatch. template<typename T> struct imbue_impl; } // End namespace detail. template<typename T, typename Locale> void imbue(T& t, const Locale& loc) { detail::imbue_impl<T>::imbue(detail::unwrap(t), loc); } namespace detail { //------------------Definition of imbue_impl----------------------------------// template<typename T> struct imbue_impl : mpl::if_< is_custom<T>, operations<T>, imbue_impl< BOOST_DEDUCED_TYPENAME dispatch< T, streambuf_tag, localizable_tag, any_tag >::type > >::type { }; template<> struct imbue_impl<any_tag> { template<typename T, typename Locale> static void imbue(T&, const Locale&) { } }; template<> struct imbue_impl<streambuf_tag> { template<typename T, typename Locale> static void imbue(T& t, const Locale& loc) { t.pubimbue(loc); } }; template<> struct imbue_impl<localizable_tag> { template<typename T, typename Locale> static void imbue(T& t, const Locale& loc) { t.imbue(loc); } }; } // End namespace detail. } } // End namespaces iostreams, boost. #include <boost/iostreams/detail/config/enable_warnings.hpp> #endif // #ifndef BOOST_IOSTREAMS_IMBUE_HPP_INCLUDED