/*=============================================================================
    Copyright (c) 2001-2014 Joel de Guzman
    Copyright (c) 2001-2011 Hartmut Kaiser

    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)
=============================================================================*/
#if !defined(BOOST_SPIRIT_X3_PLUS_MARCH_13_2007_0127PM)
#define BOOST_SPIRIT_X3_PLUS_MARCH_13_2007_0127PM

#include <boost/spirit/home/x3/core/parser.hpp>
#include <boost/spirit/home/x3/support/traits/container_traits.hpp>
#include <boost/spirit/home/x3/support/traits/attribute_of.hpp>
#include <boost/spirit/home/x3/core/detail/parse_into_container.hpp>

namespace boost {
namespace spirit {
namespace x3 {
template <typename Subject>
struct plus : unary_parser<Subject, plus<Subject>>
{
    typedef unary_parser<Subject, plus<Subject>> base_type;
    static bool const handles_container = true;

    constexpr
    plus(Subject const& subject)
        : base_type(subject) {}

    template <typename Iterator, typename Context
              , typename RContext, typename Attribute>
    bool
    parse(Iterator& first, Iterator const& last
          , Context const& context, RContext& rcontext, Attribute& attr) const
    {
        if (!detail::parse_into_container(
                    this->subject, first, last, context, rcontext, attr))
        {
            return false;
        }

        while (detail::parse_into_container(
                    this->subject, first, last, context, rcontext, attr))
            ;

        return true;
    }
};

template <typename Subject>
constexpr plus<typename extension::as_parser<Subject>::value_type>
operator+(Subject const& subject)
{
    return { as_parser(subject) };
}
}
}
}

namespace boost {
namespace spirit {
namespace x3 {
namespace traits {
template <typename Subject, typename Context>
struct attribute_of<x3::plus<Subject>, Context>
    : build_container<
      typename attribute_of<Subject, Context>::type> {};
}
}
}
}

#endif
