70 lines
2.3 KiB
C++
70 lines
2.3 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) 2021 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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// mapnik
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#include <mapnik/svg/svg_path_parser.hpp>
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#include <mapnik/svg/svg_path_grammar_x3.hpp>
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// stl
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#include <string>
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#include <cstring>
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namespace mapnik {
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namespace svg {
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template <typename PathType>
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bool parse_points(const char* wkt, PathType& p)
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{
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using namespace boost::spirit;
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using iterator_type = char const*;
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using space_type = mapnik::svg::grammar::space_type;
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iterator_type first = wkt;
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iterator_type last = wkt + std::strlen(wkt);
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bool relative = false;
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#if BOOST_VERSION >= 106700
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auto const grammar = x3::with<mapnik::svg::grammar::svg_path_tag>(p)
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[ x3::with<mapnik::svg::grammar::relative_tag>(relative)
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[mapnik::svg::grammar::svg_points]];
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#else
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auto const grammar = x3::with<mapnik::svg::grammar::svg_path_tag>(std::ref(p))
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[ x3::with<mapnik::svg::grammar::relative_tag>(std::ref(relative))
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[mapnik::svg::grammar::svg_points]];
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#endif
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try
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{
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if (!x3::phrase_parse(first, last, grammar, space_type())
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|| first != last)
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{
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throw std::runtime_error("Failed to parse svg-path");
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}
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}
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catch (...)
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{
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return false;
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}
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return true;
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}
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template bool parse_points<svg_converter_type>(const char*, svg_converter_type&);
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} // namespace svg
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} // namespace mapnik
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