data.hpp

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//
// Struct data
//
// 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 DATA_HPP_
#define DATA_HPP_
 
#include "ast.hpp"
#include "skipper.hpp"
#include "error_handler.hpp"
 
#include <boost/config/warning_disable.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/fusion/include/adapt_struct.hpp>
 
#define BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
#define BOOST_SPIRIT_QI_DEBUG
 
namespace SDDS {
    struct data
    {
        enum attributes { MODE
                        , LINES_PER_ROW
                        , NO_ROW_COUNT
                        , FIXED_ROW_COUNT
                        , ADDITIONAL_HEADER_LINES
                        , COLUMN_MAJOR_ORDER
                        , ENDIAN
        };
 
        ast::datamode mode_m;
        long numberRows_m;
 
        bool isASCII() const
        {
            if (mode_m == ast::BINARY) {
                std::cerr << "can't handle binary data yet" << std::endl;
                return false;
            }
            return true;
        }
 
        template <attributes A>
        struct complainUnsupported
        {
            static bool apply()
            {
                std::string attributeString;
                switch(A)
                {
                case LINES_PER_ROW:
                    attributeString = "lines_per_row";
                    break;
                case NO_ROW_COUNT:
                    attributeString = "no_row_count";
                    break;
                case FIXED_ROW_COUNT:
                    attributeString = "fixed_row_count";
                    break;
                case ADDITIONAL_HEADER_LINES:
                    attributeString = "additional_header_lines";
                    break;
                case COLUMN_MAJOR_ORDER:
                    attributeString = "column_major_order";
                    break;
                case ENDIAN:
                    attributeString = "endian";
                    break;
                default:
                    return true;
                }
                std::cerr << attributeString << " not supported yet" << std::endl;
                return false;
            }
        };
    };
 
    inline std::ostream& operator<<(std::ostream& out, const data& data_) {
        out << "mode = " << data_.mode_m;
        return out;
    }
}
 
BOOST_FUSION_ADAPT_STRUCT(
    SDDS::data,
    (SDDS::ast::datamode, mode_m)
    (long, numberRows_m)
)
 
namespace SDDS { namespace parser
{
    namespace qi = boost::spirit::qi;
    namespace ascii = boost::spirit::ascii;
    namespace phx = boost::phoenix;
 
    template <typename Iterator>
    struct data_parser: qi::grammar<Iterator, data(), skipper<Iterator> >
    {
        data_parser(error_handler<Iterator> & _error_handler);
 
        qi::rule<Iterator, data(), skipper<Iterator> > start;
        qi::rule<Iterator, ast::datamode(), skipper<Iterator> > data_mode;
        qi::rule<Iterator, long(), skipper<Iterator> > data_lines,
                data_row, data_fixed, data_additional;
        qi::rule<Iterator, short(), skipper<Iterator> > data_column;
        qi::rule<Iterator, ast::endianess(), skipper<Iterator> > data_endian;
        qi::rule<Iterator, ast::nil(), skipper<Iterator> > data_unsupported_pre,
                data_unsupported_post;
        qi::symbols<char, ast::endianess> dataendian;
        qi::symbols<char, ast::datamode> datamode;
    };
}}
#endif /* DATA_HPP_ */