Chris@16: // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
Chris@16: // (C) Copyright 2003-2007 Jonathan Turkanis
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
Chris@16: 
Chris@16: // See http://www.boost.org/libs/iostreams for documentation.
Chris@16: 
Chris@16: #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
Chris@16: #define BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1020)
Chris@16: # pragma once
Chris@16: #endif              
Chris@16: 
Chris@16: #include <boost/config.hpp>                   // BOOST_DEDUCED_TYPENAME. 
Chris@16: #include <boost/iostreams/detail/select.hpp>
Chris@16: #include <boost/iostreams/traits.hpp>         // category_of. 
Chris@16: #include <boost/mpl/void.hpp>          
Chris@16: #include <boost/type_traits/is_convertible.hpp>         
Chris@16: 
Chris@16: namespace boost { namespace iostreams {namespace detail {
Chris@16:     
Chris@16: template< typename T, typename Tag1, typename Tag2,
Chris@16:           typename Tag3 = mpl::void_, typename Tag4 = mpl::void_,
Chris@16:           typename Tag5 = mpl::void_, typename Tag6 = mpl::void_,
Chris@16:           typename Category = 
Chris@16:               BOOST_DEDUCED_TYPENAME category_of<T>::type >
Chris@16: struct dispatch 
Chris@16:     : iostreams::select<  // Disambiguation for Tru64.
Chris@16:           is_convertible<Category, Tag1>, Tag1,
Chris@16:           is_convertible<Category, Tag2>, Tag2,
Chris@16:           is_convertible<Category, Tag3>, Tag3,
Chris@16:           is_convertible<Category, Tag4>, Tag4,
Chris@16:           is_convertible<Category, Tag5>, Tag5,
Chris@16:           is_convertible<Category, Tag6>, Tag6
Chris@16:       >
Chris@16:     { };
Chris@16: 
Chris@16: } } } // End namespaces detail, iostreams, boost.
Chris@16: 
Chris@16: #endif // #ifndef BOOST_IOSTREAMS_DETAIL_DISPATCH_HPP_INCLUDED