69 lines
2.3 KiB
C++
69 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) 2014 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/util/dasharray_parser.hpp>
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-parameter"
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#pragma GCC diagnostic ignored "-Wunused-local-typedef"
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#include <boost/spirit/include/qi.hpp>
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#include <boost/spirit/include/phoenix_core.hpp>
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#include <boost/spirit/include/phoenix_operator.hpp>
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#include <boost/spirit/include/phoenix_stl.hpp>
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#include <boost/spirit/include/phoenix_function.hpp>
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#pragma GCC diagnostic pop
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namespace mapnik {
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namespace util {
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bool parse_dasharray(std::string const& value, std::vector<double>& dasharray)
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{
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using namespace boost::spirit;
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qi::double_type double_;
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qi::_1_type _1;
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qi::lit_type lit;
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qi::char_type char_;
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qi::ascii::space_type space;
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qi::no_skip_type no_skip;
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// SVG
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// dasharray ::= (length | percentage) (comma-wsp dasharray)?
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// no support for 'percentage' as viewport is unknown at load_map
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//
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auto first = value.begin();
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auto last = value.end();
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bool r = qi::phrase_parse(first, last,
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(double_[boost::phoenix::push_back(boost::phoenix::ref(dasharray), _1)] %
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no_skip[char_(", ")]
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| lit("none")),
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space);
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if (first != last)
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{
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return false;
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}
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return r;
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}
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} // end namespace util
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} // end namespace mapnik
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