/*=============================================================================

    Copyright (c) 2003 Joel de Guzman



    Use, modification and distribution is subject to 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)

==============================================================================*/

#if !defined(FUSION_SEQUENCE_FILTER_VIEW_HPP)

#define FUSION_SEQUENCE_FILTER_VIEW_HPP



#include <boost/spirit/fusion/detail/access.hpp>

#include <boost/spirit/fusion/iterator/filter_view_iterator.hpp>

#include <boost/spirit/fusion/sequence/detail/filter_view_begin_end_trts.hpp>

#include <boost/spirit/fusion/sequence/detail/sequence_base.hpp>

#include <boost/spirit/fusion/sequence/as_fusion_sequence.hpp>

#include <boost/spirit/fusion/sequence/begin.hpp>

#include <boost/spirit/fusion/sequence/end.hpp>



namespace boost { namespace fusion

{

    struct filter_view_tag;



    template <typename Sequence, typename Pred>

    struct filter_view : sequence_base<filter_view<Sequence, Pred> >

    {

        typedef as_fusion_sequence<Sequence> seq_converter;

        typedef typename seq_converter::type seq;



        typedef filter_view_tag tag;

        typedef typename meta::begin<seq>::type first_type;

        typedef typename meta::end<seq>::type last_type;

        typedef Pred pred_type;



        filter_view(Sequence& seq)

            : first(fusion::begin(seq))

            , last(fusion::end(seq))

        {}



        first_type first;

        last_type last;

    };

}}



#endif





