settings_parsers.hpp

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//This file is part of Bertini 2.
//
//bertini2/io/parsers.hpp 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.
//
//bertini2/io/parsing/settings_parsers.hpp is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with bertini2/io/parsing/settings_parsers.hpp.  If not, see <http://www.gnu.org/licenses/>.
//
// Copyright(C) Bertini2 Development Team
//
// See <http://www.gnu.org/licenses/> for a copy of the license,
// as well as COPYING.  Bertini2 is provided with permitted
// additional terms in the b2/licenses/ directory.
 

 
#pragma once
 
 
 
#include "bertini2/detail/typelist.hpp"
 
#include "bertini2/io/parsing/settings_parsers/tracking.hpp"
#include "bertini2/io/parsing/settings_parsers/endgames.hpp"
#include "bertini2/io/parsing/settings_parsers/algorithm.hpp"
#include "bertini2/io/parsing/settings_parsers/random.hpp"
 
 
 
 
namespace bertini {
    namespace parsing {
 
        namespace classic {

 
            template<typename ConfigT>
            ConfigT FillConfigStruct(std::string const& config_str)
            {
                std::string::const_iterator iter = config_str.begin();
                std::string::const_iterator end = config_str.end();
                ConfigT settings;
                ConfigSettingParser<std::string::const_iterator, ConfigT> parser;
                auto parse_success = phrase_parse(iter, end, parser,boost::spirit::ascii::space, settings);
                if (!parse_success || iter!=end)
                {
                    std::string remaining(iter, end);
                    if (remaining.size() > 60)
                        remaining = remaining.substr(0, 60) + "...";
                    if (remaining.empty())
                        remaining = "<end of input>";
                    throw std::runtime_error(
                        std::string("[config] parser did not consume entire input; "
                        "unparsed remainder: \"") + remaining + "\"");
                }
 
                return settings;
            }
 
 
 

            template<typename ...Ts>
            struct ConfigParser
            {
                static
                std::tuple<Ts...> Parse(std::string const& config)
                {
                    return std::make_tuple<Ts...>(FillConfigStruct<Ts>(config)...);
                }
 
            };
 

            template<typename ConfigT>
            struct ConfigParser <ConfigT>
            {

                static
                ConfigT Parse(std::string const& config)
                {
                    return FillConfigStruct<ConfigT>(config);
                }
            };
 

            template<typename ...Ts>
            struct ConfigParser<detail::TypeList<Ts...>>
            {
                static
                auto Parse(std::string const& config)
                {
                    return ConfigParser<Ts...>::Parse(config);
                }
            };
        } // re: namespace classic
 
    }// re: namespace parsing
}// re: namespace bertini