52 lines
2 KiB
C++
52 lines
2 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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#include "parse_map_sizes.hpp"
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#include <mapnik/warning.hpp>
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MAPNIK_DISABLE_WARNING_PUSH
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#include <mapnik/warning_ignore.hpp>
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#include <boost/spirit/home/x3.hpp>
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#include <boost/fusion/include/adapt_struct.hpp>
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MAPNIK_DISABLE_WARNING_POP
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BOOST_FUSION_ADAPT_STRUCT(visual_tests::map_size, (std::size_t, width)(std::size_t, height))
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namespace visual_tests {
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namespace x3 = boost::spirit::x3;
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using x3::ulong_;
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auto const map_size_rule = x3::rule<class map_size_rule, map_size>{} = ulong_ >> ',' >> ulong_;
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auto const map_sizes_grammar = x3::rule<class map_sizes_grammar_type, std::vector<map_size>>{} = map_size_rule % ';';
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void parse_map_sizes(std::string const& str, std::vector<map_size>& sizes)
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{
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boost::spirit::x3::ascii::space_type space;
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std::string::const_iterator iter = str.begin();
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std::string::const_iterator end = str.end();
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if (!boost::spirit::x3::phrase_parse(iter, end, map_sizes_grammar, space, sizes))
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{
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throw std::runtime_error("Failed to parse list of sizes: '" + str + "'");
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}
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}
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} // namespace visual_tests
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