C++ Network Library Code

//          Copyright Dean Michael Berris 2007.
// 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 __NETWORK_MESSAGE_TRANSFORMERS_HPP__
#define __NETWORK_MESSAGE_TRANSFORMERS_HPP__

/** transformers.hpp
 *
 * Pulls in all the transformers files.
 */
#include <boost/network/message/transformers/selectors.hpp>
#include <boost/network/message/transformers/to_upper.hpp>
#include <boost/network/message/transformers/to_lower.hpp>

#include <boost/type_traits.hpp>

namespace boost { namespace network {
    namespace impl {
        template <class Algorithm, class Selector>
            struct get_real_algorithm {
				typedef typename boost::function_traits<
					typename boost::remove_pointer<
						Algorithm
					>::type
				>
				::result_type::
				template type<
					typename boost::function_traits<
						typename boost::remove_pointer<
							Selector
						>::type
					>::result_type
				> type;
            };

        template <class Algorithm, class Selector>
            struct transform_impl : public get_real_algorithm<Algorithm, Selector>::type { };
    } // namspace impl

    template <class Algorithm, class Selector>
        inline impl::transform_impl<Algorithm, Selector>
        transform(Algorithm, Selector) {
            return impl::transform_impl<Algorithm, Selector>();
        }

    template <class Tag, class Algorithm, class Selector>
        inline basic_message<Tag> &
        operator<< (basic_message<Tag> & msg_, 
                impl::transform_impl<Algorithm, Selector> 
                    const & transformer) {
            transformer(msg_);
            return msg_;
        }

} // namespace network

} // namespace boost

#endif // __NETWORK_MESSAGE_TRANSFORMERS_HPP__