include_def.hpp

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//
// Struct include
//
// Copyright (c) 2015, Christof Metzger-Kraus, Helmholtz-Zentrum Berlin
// All rights reserved
//
// This file is part of OPAL.
//
// OPAL is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// You should have received a copy of the GNU General Public License
// along with OPAL. If not, see <https://www.gnu.org/licenses/>.
//
#ifndef INCLUDE_DEF_HPP_
#define INCLUDE_DEF_HPP_

#include "include.hpp"

#include <boost/phoenix/core.hpp>
#include <boost/phoenix/operator.hpp>
#include <boost/phoenix/fusion.hpp>
#include <boost/phoenix/bind.hpp>

namespace SDDS { namespace parser
{
    template <typename Iterator>
    include_parser<Iterator>::include_parser(error_handler<Iterator> & _error_handler):
        include_parser::base_type(start)
    {
        using qi::on_error;
        using qi::fail;
        using phx::function;
        typedef function<error_handler<Iterator> > error_handler_function;

        qi::_3_type _3;
        qi::_4_type _4;
        qi::lexeme_type lexeme;
        qi::char_type char_;
        qi::lit_type lit;
        qi::alpha_type alpha;
        qi::alnum_type alnum;
        qi::_pass_type _pass;

        quoted_string %= lexeme['"' >> +(char_ - '"') >> '"'];
        string %= quoted_string
                | lexeme[(alpha | '_') >> *(alnum | '_')];

        include_filename = lit("filename") > '=' > string;

        auto complainInclude = phx::bind(&include::complainUnsupported<include::INCLUDE>::apply);

        start =
                lit("&include")[_pass = complainInclude]
                > lit("&end");

        BOOST_SPIRIT_DEBUG_NODES(
            (start)
        )

        on_error<fail>(start,
            error_handler_function(_error_handler)(
                  std::string("Error! Expecting "), _4, _3));
    }
}}
#endif /* INCLUDE_DEF_HPP_ */