/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2021 Artem Pavlenko * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ #ifndef OGR_DATASOURCE_HPP #define OGR_DATASOURCE_HPP // mapnik #include #include #include #include #include #include #include #include // stl #include #include MAPNIK_DISABLE_WARNING_PUSH #include #include MAPNIK_DISABLE_WARNING_POP #include "ogr_layer_ptr.hpp" DATASOURCE_PLUGIN_DEF(ogr_datasource_plugin, ogr); class ogr_datasource : public mapnik::datasource { public: ogr_datasource(mapnik::parameters const& params); virtual ~ogr_datasource(); mapnik::datasource::datasource_t type() const override; static const char* name(); mapnik::featureset_ptr features(mapnik::query const& q) const override; mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt, double tol = 0) const override; mapnik::box2d envelope() const override; std::optional get_geometry_type() const override; mapnik::layer_descriptor get_descriptor() const override; private: void init(mapnik::parameters const& params); mapnik::box2d extent_; mapnik::datasource::datasource_t type_; std::string dataset_name_; std::string index_name_; gdal_dataset_type dataset_; ogr_layer_ptr layer_; std::string layer_name_; mapnik::layer_descriptor desc_; bool indexed_; }; #endif // OGR_DATASOURCE_HPP