63 lines
2.5 KiB
C++
63 lines
2.5 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) 2012 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_TRANSFORM_EXPRESSION_GRAMMAR_HPP
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#define MAPNIK_TRANSFORM_EXPRESSION_GRAMMAR_HPP
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// mapnik
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#include <mapnik/expression_grammar.hpp>
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#include <mapnik/transform_expression.hpp>
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// spirit
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#include <boost/spirit/home/phoenix/object/construct.hpp>
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#include <boost/spirit/home/qi.hpp>
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namespace mapnik {
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namespace qi = boost::spirit::qi;
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template <typename Iterator>
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struct transform_expression_grammar
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: qi::grammar<Iterator, transform_list(), space_type>
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{
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explicit transform_expression_grammar(expression_grammar<Iterator> const& g);
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typedef qi::locals<expr_node, boost::optional<expr_node>,
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boost::optional<expr_node>
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> rotate_locals;
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typedef qi::rule<Iterator, transform_node(), space_type> node_rule;
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typedef qi::rule<Iterator, transform_list(), space_type> list_rule;
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// rules
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typename expression_grammar<Iterator>::rule_type expr;
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qi::rule<Iterator, transform_list(), space_type> start;
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qi::rule<Iterator, transform_node(), space_type> transform_;
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qi::rule<Iterator, transform_node(), space_type> matrix;
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qi::rule<Iterator, transform_node(), space_type> translate;
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qi::rule<Iterator, transform_node(), space_type> scale;
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qi::rule<Iterator, transform_node(), space_type, rotate_locals> rotate;
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qi::rule<Iterator, transform_node(), space_type> skewX;
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qi::rule<Iterator, transform_node(), space_type> skewY;
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};
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} // namespace mapnik
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#endif // MAPNIK_TRANSFORM_EXPRESSION_GRAMMAR_HPP
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