/*=============================================================================
    Copyright (c) 2014 Thomas Bernard

    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_NO_CASE_SEPT_16_2014_0912PM)
#define BOOST_SPIRIT_X3_NO_CASE_SEPT_16_2014_0912PM

#include <boost/spirit/home/x3/support/context.hpp>
#include <boost/spirit/home/x3/support/unused.hpp>
#include <boost/spirit/home/x3/support/no_case.hpp>
#include <boost/spirit/home/x3/core/parser.hpp>

namespace boost {
namespace spirit {
namespace x3 {
// propagate no_case information through the context
template <typename Subject>
struct no_case_directive : unary_parser<Subject, no_case_directive<Subject>>
{
    typedef unary_parser<Subject, no_case_directive<Subject> > base_type;
    static bool const is_pass_through_unary = true;
    static bool const handles_container = Subject::handles_container;

    constexpr
    no_case_directive(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
    {
        return this->subject.parse(
                   first, last
                   , make_context<no_case_tag>(no_case_compare_, context)
                   , rcontext
                   , attr);
    }
};

struct no_case_gen
{
    template <typename Subject>
    constexpr no_case_directive<typename extension::as_parser<Subject>::value_type>
    operator[](Subject const& subject) const
    {
        return { as_parser(subject) };
    }
};

constexpr auto no_case = no_case_gen{};
}
}
}

#endif
