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
136 lines
4.8 KiB
C++
136 lines
4.8 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 POSTGIS_DATASOURCE_HPP
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#define POSTGIS_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/value/types.hpp>
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#include <mapnik/attribute.hpp>
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// boost
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#include <boost/optional.hpp>
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// stl
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#include <memory>
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#include <regex>
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#include <vector>
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#include <string>
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#include "connection_manager.hpp"
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#include "resultset.hpp"
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#include "cursorresultset.hpp"
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using mapnik::box2d;
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using mapnik::coord2d;
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using mapnik::datasource;
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using mapnik::feature_ptr;
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using mapnik::feature_style_context_map;
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using mapnik::featureset_ptr;
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using mapnik::layer_descriptor;
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using mapnik::parameters;
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using mapnik::processor_context_ptr;
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using mapnik::query;
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using mapnik::transcoder;
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using CnxPool_ptr = std::shared_ptr<ConnectionManager::PoolType>;
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class postgis_datasource : public datasource
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{
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public:
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postgis_datasource(const parameters& params);
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~postgis_datasource();
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mapnik::datasource::datasource_t type() const;
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static const char* name();
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processor_context_ptr get_context(feature_style_context_map&) const;
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featureset_ptr features_with_context(query const& q, processor_context_ptr ctx) const;
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featureset_ptr features(query const& q) const;
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featureset_ptr features_at_point(coord2d const& pt, double tol = 0) const;
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mapnik::box2d<double> envelope() const;
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boost::optional<mapnik::datasource_geometry_t> get_geometry_type() const;
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layer_descriptor get_descriptor() const;
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private:
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std::string sql_bbox(box2d<double> const& env) const;
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std::string populate_tokens(std::string const& sql,
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double scale_denom,
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box2d<double> const& env,
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double pixel_width,
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double pixel_height,
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mapnik::attributes const& vars,
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bool intersect = true) const;
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std::string populate_tokens(std::string const& sql) const;
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void append_geometry_table(std::ostream& os) const;
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std::shared_ptr<IResultSet> get_resultset(std::shared_ptr<Connection>& conn,
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std::string const& sql,
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CnxPool_ptr const& pool,
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processor_context_ptr ctx = processor_context_ptr()) const;
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static const std::string GEOMETRY_COLUMNS;
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static const std::string SPATIAL_REF_SYS;
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const std::string uri_;
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const std::string username_;
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const std::string password_;
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const std::string table_;
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const std::string geometry_table_;
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const std::string geometry_field_;
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std::string parsed_schema_;
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std::string parsed_table_;
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std::string key_field_;
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mapnik::value_integer cursor_fetch_size_;
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mapnik::value_integer row_limit_;
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std::string geometryColumn_;
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mapnik::datasource::datasource_t type_;
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int srid_;
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mutable bool extent_initialized_;
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mutable mapnik::box2d<double> extent_;
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bool simplify_geometries_;
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layer_descriptor desc_;
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ConnectionCreator<Connection> creator_;
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int pool_max_size_;
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bool persist_connection_;
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bool extent_from_subquery_;
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bool estimate_extent_;
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int max_async_connections_;
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bool asynchronous_request_;
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bool twkb_encoding_;
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mapnik::value_double twkb_rounding_adjustment_;
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mapnik::value_double simplify_snap_ratio_;
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mapnik::value_double simplify_dp_ratio_;
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mapnik::value_double simplify_prefilter_;
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bool simplify_dp_preserve_;
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mapnik::value_double simplify_clip_resolution_;
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std::regex re_tokens_;
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int intersect_min_scale_;
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int intersect_max_scale_;
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bool key_field_as_attribute_;
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};
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#endif // POSTGIS_DATASOURCE_HPP
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