wkt_grammar - update to use mapnik-geometry and optimise(minimise) memory allocations
This commit is contained in:
artemp
parent
c3284aa958
commit
f3edf2dfc0
4 changed files with 127 additions and 137 deletions
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@ -2,7 +2,7 @@
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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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* Copyright (C) 2015 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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@ -23,6 +23,10 @@
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#ifndef MAPNIK_WKT_GRAMMAR_HPP
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#define MAPNIK_WKT_GRAMMAR_HPP
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// mapnik
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#include <mapnik/geometry_impl.hpp>
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#include <mapnik/geometry_adapters.hpp>
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#include <mapnik/geometry_fusion_adapted.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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@ -31,93 +35,84 @@
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#include <boost/spirit/include/phoenix_function.hpp>
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#pragma GCC diagnostic pop
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// mapnik
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#include <mapnik/geometry.hpp>
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#include <mapnik/vertex.hpp>
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namespace mapnik { namespace wkt {
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using namespace boost::spirit;
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struct push_vertex
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{
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template <typename T>
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struct result
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{
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using type = void;
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};
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namespace detail {
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template <typename T0,typename T1, typename T2, typename T3>
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void operator() (T0 c, T1 path, T2 x, T3 y) const
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struct assign
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{
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using result_type = void;
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template <typename T0, typename T1>
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void operator() (T0 & geom, T1 && obj) const
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{
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BOOST_ASSERT( path!=0 );
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path->push_vertex(x,y,c);
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geom = std::move(obj);
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}
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};
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struct close_path
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struct move_part
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{
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template <typename T>
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struct result
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using result_type = void;
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template <typename Geometry, typename Part>
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void operator() (Geometry & geom, Part && part) const
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{
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using type = void;
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};
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template <typename T>
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void operator() (T path) const
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{
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BOOST_ASSERT( path!=0 );
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path->close_path();
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geom.push_back(std::move(part));
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}
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};
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struct cleanup
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struct set_exterior
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{
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template <typename T0>
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struct result
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using result_type = void;
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template <typename Polygon, typename Ring>
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void operator() (Polygon & poly, Ring && ring) const
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{
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using type = void;
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};
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template <typename T0>
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void operator() (T0 & path) const
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{
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if (path) delete path,path=0;
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poly.set_exterior_ring(std::move(ring));
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}
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};
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struct add_hole
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{
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using result_type = void;
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template <typename Polygon, typename Ring>
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void operator() (Polygon & poly, Ring && ring) const
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{
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poly.add_hole(std::move(ring));
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}
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};
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}
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template <typename Iterator>
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struct wkt_grammar : qi::grammar<Iterator, mapnik::geometry_container() , ascii::space_type>
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struct wkt_grammar : qi::grammar<Iterator, void(mapnik::new_geometry::geometry&) , ascii::space_type>
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{
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wkt_grammar();
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qi::rule<Iterator,mapnik::geometry_container(),ascii::space_type> geometry_tagged_text;
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qi::rule<Iterator,qi::locals<geometry_type*>,mapnik::geometry_container(),ascii::space_type> point_tagged_text;
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qi::rule<Iterator,qi::locals<geometry_type*>,mapnik::geometry_container(),ascii::space_type> linestring_tagged_text;
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qi::rule<Iterator,qi::locals<geometry_type*>,mapnik::geometry_container(),ascii::space_type> polygon_tagged_text;
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qi::rule<Iterator,mapnik::geometry_container(),ascii::space_type> multipoint_tagged_text;
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qi::rule<Iterator,mapnik::geometry_container(),ascii::space_type> multilinestring_tagged_text;
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qi::rule<Iterator,mapnik::geometry_container(),ascii::space_type> multipolygon_tagged_text;
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qi::rule<Iterator,void(geometry_type*),ascii::space_type> point_text;
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qi::rule<Iterator,void(geometry_type*),ascii::space_type> linestring_text;
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qi::rule<Iterator,void(geometry_type*),ascii::space_type> polygon_text;
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qi::rule<Iterator, qi::locals<geometry_type*>, mapnik::geometry_container(),ascii::space_type> multipoint_text;
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qi::rule<Iterator, qi::locals<geometry_type*>, mapnik::geometry_container(),ascii::space_type> multilinestring_text;
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qi::rule<Iterator, qi::locals<geometry_type*>, mapnik::geometry_container(),ascii::space_type> multipolygon_text;
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qi::rule<Iterator,void(CommandType,geometry_type*),ascii::space_type> point;
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qi::rule<Iterator,qi::locals<CommandType>,void(geometry_type*),ascii::space_type> points;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> geometry_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> point_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> linestring_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> polygon_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> multipoint_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> multilinestring_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> multipolygon_tagged_text;
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qi::rule<Iterator, void(mapnik::new_geometry::geometry&), ascii::space_type> geometrycollection_tagged_text;
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qi::rule<Iterator, mapnik::new_geometry::point(), ascii::space_type> point_text;
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qi::rule<Iterator, mapnik::new_geometry::line_string(), ascii::space_type> linestring_text;
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qi::rule<Iterator, mapnik::new_geometry::linear_ring(), ascii::space_type> linearring_text;
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qi::rule<Iterator, mapnik::new_geometry::polygon(), ascii::space_type> polygon_text;
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qi::rule<Iterator, mapnik::new_geometry::multi_point(), ascii::space_type> multipoint_text;
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qi::rule<Iterator, mapnik::new_geometry::multi_line_string(), ascii::space_type> multilinestring_text;
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qi::rule<Iterator, mapnik::new_geometry::multi_polygon(), ascii::space_type> multipolygon_text;
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qi::rule<Iterator, qi::locals<mapnik::new_geometry::geometry>,
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mapnik::new_geometry::geometry_collection(), ascii::space_type> geometrycollection_text;
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qi::rule<Iterator, mapnik::new_geometry::point(), ascii::space_type> point;
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qi::rule<Iterator, mapnik::new_geometry::line_string(), ascii::space_type> points;
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qi::rule<Iterator, mapnik::new_geometry::linear_ring(), ascii::space_type> ring_points;
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qi::rule<Iterator,ascii::space_type> empty_set;
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boost::phoenix::function<push_vertex> push_vertex_;
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boost::phoenix::function<close_path> close_path_;
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boost::phoenix::function<cleanup> cleanup_;
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};
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template <typename Iterator>
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struct wkt_collection_grammar : qi::grammar<Iterator, mapnik::geometry_container(), ascii::space_type>
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{
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wkt_collection_grammar();
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qi::rule<Iterator,mapnik::geometry_container(),ascii::space_type> start;
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wkt_grammar<Iterator> wkt;
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boost::phoenix::function<detail::assign> assign;
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boost::phoenix::function<detail::move_part> move_part;
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boost::phoenix::function<detail::set_exterior> set_exterior;
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boost::phoenix::function<detail::add_hole> add_hole;
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};
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}}
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@ -2,7 +2,7 @@
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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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* Copyright (C) 2015 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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@ -23,10 +23,10 @@
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#include <mapnik/config.hpp>
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#include <mapnik/wkt/wkt_grammar.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_fusion.hpp>
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#include <boost/spirit/include/phoenix_object.hpp>
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#include <boost/spirit/include/phoenix_stl.hpp>
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#include <boost/phoenix/object/construct.hpp>
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namespace mapnik { namespace wkt {
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@ -36,115 +36,113 @@ template <typename Iterator>
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wkt_grammar<Iterator>::wkt_grammar()
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: wkt_grammar::base_type(geometry_tagged_text)
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{
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qi::_r1_type _r1;
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qi::_r2_type _r2;
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qi::_pass_type _pass;
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qi::eps_type eps;
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qi::_r1_type _r1;
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qi::_val_type _val;
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qi::lit_type lit;
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qi::no_case_type no_case;
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qi::double_type double_;
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qi::_1_type _1;
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qi::_2_type _2;
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qi::_a_type _a;
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using boost::phoenix::push_back;
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using boost::phoenix::new_;
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geometry_tagged_text = point_tagged_text
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| linestring_tagged_text
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| polygon_tagged_text
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| multipoint_tagged_text
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| multilinestring_tagged_text
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| multipolygon_tagged_text
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using boost::phoenix::construct;
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using boost::phoenix::at_c;
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geometry_tagged_text = point_tagged_text(_r1)
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| linestring_tagged_text(_r1)
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| polygon_tagged_text(_r1)
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| multipoint_tagged_text(_r1)
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| multilinestring_tagged_text(_r1)
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| multipolygon_tagged_text(_r1)
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| geometrycollection_tagged_text(_r1)
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;
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// <point tagged text> ::= point <point text>
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point_tagged_text = no_case[lit("POINT")] [ _a = new_<geometry_type>(geometry_type::types::Point) ]
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>> ( point_text(_a) [push_back(_val,_a)]
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| eps[cleanup_(_a)][_pass = false])
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point_tagged_text = no_case[lit("POINT")] >> point_text[assign(_r1,_1)]
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;
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// <point text> ::= <empty set> | <left paren> <point> <right paren>
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point_text = (lit("(") >> point(SEG_MOVETO,_r1) >> lit(')'))
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point_text = (lit("(") >> point >> lit(')'))
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| empty_set
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;
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// <linestring tagged text> ::= linestring <linestring text>
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linestring_tagged_text = no_case[lit("LINESTRING")] [ _a = new_<geometry_type>(geometry_type::types::LineString) ]
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>> (linestring_text(_a)[push_back(_val,_a)]
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| eps[cleanup_(_a)][_pass = false])
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//<linestring tagged text> ::= linestring <linestring text>
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linestring_tagged_text = no_case[lit("LINESTRING")]
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>> linestring_text[assign(_r1,_1)]
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;
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// <linestring text> ::= <empty set> | <left paren> <point> {<comma> <point>}* <right paren>
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linestring_text = points(_r1) | empty_set
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linestring_text = points | empty_set
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;
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// <polygon tagged text> ::= polygon <polygon text>
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polygon_tagged_text = no_case[lit("POLYGON")] [ _a = new_<geometry_type>(geometry_type::types::Polygon) ]
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>> ( polygon_text(_a)[push_back(_val,_a)]
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| eps[cleanup_(_a)][_pass = false])
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polygon_tagged_text = no_case[lit("POLYGON")]
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>> polygon_text[assign(_r1,_1)]
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;
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// <polygon text> ::= <empty set> | <left paren> <linestring text> {<comma> <linestring text>}* <right paren>
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polygon_text = (lit('(') >> linestring_text(_r1)[close_path_(_r1)] % lit(',') >> lit(')')) | empty_set;
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polygon_text =
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(lit('(') >> linearring_text[set_exterior(_val,_1)] >> *(lit(',') >> linearring_text[add_hole(_val,_1)]) >> lit(')'))
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empty_set
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;
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linearring_text = ring_points | empty_set
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;
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//<multipoint tagged text> ::= multipoint <multipoint text>
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multipoint_tagged_text = no_case[lit("MULTIPOINT")]
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>> multipoint_text
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>> multipoint_text[assign(_r1,_1)]
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;
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// <multipoint text> ::= <empty set> | <left paren> <point text> {<comma> <point text>}* <right paren>
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multipoint_text = (lit('(')
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>> ((eps[_a = new_<geometry_type>(geometry_type::types::Point)]
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>> (point_text(_a) | empty_set) [push_back(_val,_a)]
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| eps[cleanup_(_a)][_pass = false]) % lit(','))
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>> lit(')')) | empty_set
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>> point_text % lit(',')
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>> lit(')'))
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empty_set
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;
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// <multilinestring tagged text> ::= multilinestring <multilinestring text>
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multilinestring_tagged_text = no_case[lit("MULTILINESTRING")]
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>> multilinestring_text ;
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>> multilinestring_text[assign(_r1,_1)] ;
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// <multilinestring text> ::= <empty set> | <left paren> <linestring text> {<comma> <linestring text>}* <right paren>
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multilinestring_text = (lit('(')
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>> ((eps[_a = new_<geometry_type>(geometry_type::types::LineString)]
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>> ( points(_a)[push_back(_val,_a)]
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| eps[cleanup_(_a)][_pass = false]))
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% lit(','))
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>> points[move_part(_val,_1)] % lit(',')
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>> lit(')')) | empty_set;
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// <multipolygon tagged text> ::= multipolygon <multipolygon text>
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multipolygon_tagged_text = no_case[lit("MULTIPOLYGON")]
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>> multipolygon_text ;
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// <multipolygon text> ::= <empty set> | <left paren> <polygon text> {<comma> <polygon text>}* <right paren>
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>> multipolygon_text[assign(_r1,_1)] ;
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//<multipolygon text> ::= <empty set> | <left paren> <polygon text> {<comma> <polygon text>}* <right paren>
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multipolygon_text = (lit('(')
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>> ((eps[_a = new_<geometry_type>(geometry_type::types::Polygon)]
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>> ( polygon_text(_a)[push_back(_val,_a)]
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| eps[cleanup_(_a)][_pass = false]))
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% lit(','))
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>> lit(')')) | empty_set;
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>> polygon_text[move_part(_val,_1)] % lit(',')
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>> lit(')'))
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empty_set;
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// geometry collection tagged text
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geometrycollection_tagged_text = no_case[lit("GEOMETRYCOLLECTION")]
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>> geometrycollection_text[assign(_r1,_1)]
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;
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// geometry collection text
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geometrycollection_text = (lit('(')
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>> ( eps[_a = construct<new_geometry::geometry>()]
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>> geometry_tagged_text(_a)[move_part(_val,_a)] % lit(','))
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>> lit(')'))
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empty_set;
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// points
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points = lit('(')[_a = SEG_MOVETO] >> point (_a,_r1) % lit(',') [_a = SEG_LINETO] >> lit(')');
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points = lit('(') >> point % lit(',') >> lit(')')
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;
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// ring points
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ring_points = lit('(') >> point % lit(',') >> lit(')')
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;
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// point
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point = (double_ >> double_) [push_vertex_(_r1,_r2,_1,_2)];
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point = double_ >> double_
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;
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// <empty set>
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empty_set = no_case[lit("EMPTY")];
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}
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template <typename Iterator>
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wkt_collection_grammar<Iterator>::wkt_collection_grammar()
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: wkt_collection_grammar::base_type(start)
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{
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qi::lit_type lit;
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qi::no_case_type no_case;
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start = wkt | no_case[lit("GEOMETRYCOLLECTION")]
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>> (lit("(") >> wkt % lit(",") >> lit(")"));
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}
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}}
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@ -20,16 +20,14 @@
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*
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*****************************************************************************/
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#include <mapnik/geometry.hpp>
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#include <mapnik/geometry_impl.hpp>
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#include <mapnik/wkt/wkt_generator_grammar_impl.hpp>
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#include <string>
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namespace mapnik { namespace wkt {
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#if 0
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//using sink_type = std::back_insert_iterator<std::string>;
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//template struct wkt_generator<sink_type, mapnik::geometry_type>;
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//template struct wkt_multi_generator<sink_type, mapnik::geometry_container>;
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using sink_type = std::back_insert_iterator<std::string>;
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template struct wkt_generator<sink_type, mapnik::geometry_type>;
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template struct wkt_multi_generator<sink_type, mapnik::geometry_container>;
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#endif
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}}
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@ -2,7 +2,7 @@
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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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* Copyright (C) 2015 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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@ -20,13 +20,12 @@
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*
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*****************************************************************************/
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#if 0 // FIXME
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#include <mapnik/wkt/wkt_grammar_impl.hpp>
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#include <string>
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namespace mapnik { namespace wkt {
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using iterator_type = std::string::const_iterator;
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template struct wkt_collection_grammar<iterator_type>;
|
||||
}}
|
||||
|
||||
#endif
|
||||
using iterator_type = std::string::const_iterator;
|
||||
template struct wkt_grammar<iterator_type>;
|
||||
|
||||
}}
|
||||
|
|
|
|||
Loading…
Reference in a new issue