e7c3d04309
format all files Revert "format all files" This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414. Revert "format some files" This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5. format all files fix formatting in dir include fix formatting of debug macro
121 lines
4 KiB
C++
121 lines
4 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 GEOJSON_DATASOURCE_HPP
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#define GEOJSON_DATASOURCE_HPP
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// mapnik
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#include <mapnik/datasource.hpp>
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#include <mapnik/params.hpp>
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#include <mapnik/query.hpp>
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#include <mapnik/feature.hpp>
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#include <mapnik/geometry/box2d.hpp>
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#include <mapnik/coord.hpp>
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#include <mapnik/feature_layer_desc.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/optional.hpp>
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#include <boost/version.hpp>
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#include <boost/geometry/strategies/cartesian/disjoint_box_box.hpp>
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#include <boost/geometry/index/rtree.hpp>
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MAPNIK_DISABLE_WARNING_POP
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// stl
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#include <memory>
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#include <vector>
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#include <string>
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#include <map>
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#include <deque>
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#include <functional>
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template<std::size_t Max, std::size_t Min>
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struct geojson_linear : boost::geometry::index::linear<Max, Min>
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{};
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namespace boost {
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namespace geometry {
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namespace index {
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namespace detail {
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namespace rtree {
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template<std::size_t Max, std::size_t Min>
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struct options_type<geojson_linear<Max, Min>>
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{
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using type = options<geojson_linear<Max, Min>,
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insert_default_tag,
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choose_by_content_diff_tag,
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split_default_tag,
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linear_tag,
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#if BOOST_VERSION >= 105700
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node_variant_static_tag>;
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#else
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node_s_mem_static_tag>;
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#endif
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};
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} // namespace rtree
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} // namespace detail
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} // namespace index
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} // namespace geometry
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} // namespace boost
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class geojson_datasource : public mapnik::datasource
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{
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public:
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using box_type = mapnik::box2d<double>;
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using item_type = std::pair<box_type, std::pair<std::uint64_t, std::uint64_t>>;
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using spatial_index_type = boost::geometry::index::rtree<item_type, geojson_linear<16, 4>>;
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// constructor
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geojson_datasource(mapnik::parameters const& params);
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virtual ~geojson_datasource();
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mapnik::datasource::datasource_t type() const;
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static const char* name();
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mapnik::featureset_ptr features(mapnik::query const& q) const;
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mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt, double tol = 0) const;
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mapnik::box2d<double> envelope() const;
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mapnik::layer_descriptor get_descriptor() const;
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boost::optional<mapnik::datasource_geometry_t> get_geometry_type() const;
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template<typename Iterator>
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void parse_geojson(Iterator start, Iterator end);
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template<typename Iterator>
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void initialise_index(Iterator start, Iterator end);
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void initialise_disk_index(std::string const& filename);
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private:
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void initialise_descriptor(mapnik::feature_ptr const&);
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mapnik::datasource::datasource_t type_;
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mapnik::layer_descriptor desc_;
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std::string filename_;
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bool from_inline_string_;
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mapnik::box2d<double> extent_;
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std::vector<mapnik::feature_ptr> features_;
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std::unique_ptr<spatial_index_type> tree_;
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bool cache_features_ = true;
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bool has_disk_index_ = false;
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const std::size_t num_features_to_query_;
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};
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#endif // GEOJSON_DATASOURCE_HPP
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