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rAKA/src/io/parser/parser_grammar_tmpl.hh
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parser_grammar_tmpl.hh
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/**
* @file parser_grammar_tmpl.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Nov 11 2015
* @date last modification: Sun Dec 03 2017
*
* @brief implementation of the templated part of ParsableParam Parsable and
* ParsableParamTyped
*
*
* @section LICENSE
*
* Copyright (©) 2015-2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
//#include <boost/config/warning_disable.hpp>
#include <boost/spirit/include/classic_position_iterator.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/support_multi_pass.hpp>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_PARSER_GRAMMAR_TMPL_HH
#define AKANTU_PARSER_GRAMMAR_TMPL_HH
namespace akantu {
namespace qi = boost::spirit::qi;
/* -------------------------------------------------------------------------- */
template <class T, class Grammar>
T Parser::parseType(const std::string & value, Grammar & grammar) {
using boost::spirit::ascii::space;
std::string::const_iterator b = value.begin();
std::string::const_iterator e = value.end();
T resultat = T();
bool res = false;
try {
res = qi::phrase_parse(b, e, grammar, space, resultat);
} catch (debug::Exception & ex) {
AKANTU_EXCEPTION("Could not parse '"
<< value << "' as a " << debug::demangle(typeid(T).name())
<< ", an unknown error append '" << ex.what());
}
if (!res || (b != e)) {
AKANTU_EXCEPTION("Could not parse '"
<< value << "' as a " << debug::demangle(typeid(T).name())
<< ", an unknown error append '"
<< std::string(value.begin(), b) << "<HERE>"
<< std::string(b, e) << "'");
}
return resultat;
}
namespace parser {
template <class Iterator> struct Skipper {
using type = qi::rule<Iterator, void()>;
};
} // namespace parser
} // namespace akantu
#endif // AKANTU_PARSER_GRAMMAR_TMPL_HH
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