/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2007 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 * *****************************************************************************/ //$Id$ #ifndef SQLITE_DATASOURCE_HPP #define SQLITE_DATASOURCE_HPP // mapnik #include <mapnik/datasource.hpp> #include <mapnik/feature.hpp> #include <mapnik/feature_layer_desc.hpp> #include <mapnik/wkb.hpp> // boost #include <boost/shared_ptr.hpp> #include <boost/scoped_ptr.hpp> // sqlite #include "sqlite_types.hpp" class sqlite_datasource : public mapnik::datasource { public: sqlite_datasource(mapnik::parameters const& params); virtual ~sqlite_datasource (); int type() const; static std::string name(); mapnik::featureset_ptr features(mapnik::query const& q) const; mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt) const; mapnik::Envelope<double> envelope() const; mapnik::layer_descriptor get_descriptor() const; private: static const std::string name_; mapnik::Envelope<double> extent_; mutable bool extent_initialized_; int type_; std::string dataset_name_; sqlite_connection* dataset_; std::string table_; std::string metadata_; std::string geometry_field_; std::string key_field_; const int row_offset_; const int row_limit_; mapnik::layer_descriptor desc_; mapnik::wkbFormat format_; bool multiple_geometries_; bool use_spatial_index_; }; #endif // SQLITE_DATASOURCE_HPP