/*=============================================================================
    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_EOL_MARCH_23_2007_0454PM)
#define BOOST_SPIRIT_X3_EOL_MARCH_23_2007_0454PM

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

namespace boost {
namespace spirit {
namespace x3 {
struct eol_parser : parser<eol_parser>
{
    typedef unused_type attribute_type;
    static bool const has_attribute = false;

    template <typename Iterator, typename Context, typename Attribute>
    bool
    parse(Iterator& first, Iterator const& last
    , Context const& context, unused_type, Attribute& /*attr*/) const
    {
        x3::skip_over(first, last, context);
        Iterator iter = first;
        bool matched = false;

        if (iter != last && *iter == '\r')  // CR
        {
            matched = true;
            ++iter;
        }

        if (iter != last && *iter == '\n')  // LF
        {
            matched = true;
            ++iter;
        }

        if (matched)
        {
            first = iter;
        }

        return matched;
    }
};

template<>
struct get_info<eol_parser>
{
    typedef std::string result_type;
    result_type
    operator()(eol_parser const &) const
    {
        return "eol";
    }
};

constexpr auto eol = eol_parser{};
}
}
}

#endif
