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66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2024 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include <mapnik/json/parse_feature.hpp>
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#include <mapnik/json/json_grammar_config.hpp>
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#include <mapnik/json/feature_grammar_x3.hpp>
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namespace mapnik {
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namespace json {
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template<typename Iterator>
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void parse_feature(Iterator start, Iterator end, feature_impl& feature, mapnik::transcoder const& tr)
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{
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namespace x3 = boost::spirit::x3;
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using space_type = mapnik::json::grammar::space_type;
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#if BOOST_VERSION >= 106700
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auto grammar = x3::with<mapnik::json::grammar::transcoder_tag>(
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tr)[x3::with<mapnik::json::grammar::feature_tag>(feature)[mapnik::json::grammar::feature_rule]];
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#else
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auto grammar = x3::with<mapnik::json::grammar::transcoder_tag>(std::ref(
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tr))[x3::with<mapnik::json::grammar::feature_tag>(std::ref(feature))[mapnik::json::grammar::feature_rule]];
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#endif
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if (!x3::phrase_parse(start, end, grammar, space_type()))
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{
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throw std::runtime_error("Can't parser GeoJSON Feature");
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}
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}
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template<typename Iterator>
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void parse_geometry(Iterator start, Iterator end, feature_impl& feature)
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{
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namespace x3 = boost::spirit::x3;
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using space_type = mapnik::json::grammar::space_type;
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auto grammar = mapnik::json::grammar::geometry_rule;
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if (!x3::phrase_parse(start, end, grammar, space_type(), feature.get_geometry()))
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{
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throw std::runtime_error("Can't parser GeoJSON Geometry");
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}
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}
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using iterator_type = mapnik::json::grammar::iterator_type;
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template void
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parse_feature<iterator_type>(iterator_type, iterator_type, feature_impl& feature, mapnik::transcoder const& tr);
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template void parse_geometry<iterator_type>(iterator_type, iterator_type, feature_impl& feature);
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} // namespace json
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} // namespace mapnik
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