54 lines
1.8 KiB
C++
54 lines
1.8 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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#ifndef MAPNIK_EXPRESSIONS_GRAMMAR_X3_HPP
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#define MAPNIK_EXPRESSIONS_GRAMMAR_X3_HPP
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#include <mapnik/expression_node.hpp>
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#include <mapnik/unicode.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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MAPNIK_DISABLE_WARNING_POP
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namespace mapnik { namespace grammar {
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#if BOOST_VERSION >= 106700
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using transcoder_type = mapnik::transcoder;
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#else
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using transcoder_type = std::reference_wrapper<mapnik::transcoder const>;
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#endif
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namespace x3 = boost::spirit::x3;
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struct transcoder_tag;
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struct expression_class; // top-most ID
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using expression_grammar_type = x3::rule<expression_class, expr_node>;
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expression_grammar_type const expression("expression");
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BOOST_SPIRIT_DECLARE(expression_grammar_type);
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}}
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#endif // MAPNIK_EXPRESSIONS_GRAMMAR_X3_HPP
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