#ifndef BOOST_NETWORK_TRAITS_ISTREAM_HPP_20100924
#define BOOST_NETWORK_TRAITS_ISTREAM_HPP_20100924

// Copyright 2010 (C) Dean Michael Berris
// 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)

#include <boost/network/support/is_default_string.hpp>
#include <boost/network/support/is_default_wstring.hpp>
#include <boost/network/traits/char.hpp>
#include <istream>

namespace boost { namespace network {
    
    template <class Tag>
    struct unsupported_tag;
    
    template <class Tag, class Enable = void>
    struct istream
    {
        typedef unsupported_tag<Tag> type;
    };
    
    template <class Tag>
    struct istream<Tag, typename enable_if<is_default_string<Tag> >::type>
    {
        typedef std::istream type;
    };
    
    template <class Tag>
    struct istream<Tag, typename enable_if<is_default_wstring<Tag> >::type>
    {
        typedef std::wistream type;
    };

} /* network */
    
} /* boost */

#endif /* BOOST_NETWORK_TRAITS_ISTREAM_HPP_20100924 */