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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2025 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
*
*****************************************************************************/
// mapnik
#include "pgsql2sqlite.hpp"
#include <mapnik/datasource.hpp>
#include <mapnik/wkb.hpp>
#include <mapnik/mapnik.hpp>
#include "connection_manager.hpp"
#include <mapnik/warning.hpp>
MAPNIK_DISABLE_WARNING_PUSH
#include <mapnik/warning_ignore.hpp>
#include <boost/program_options.hpp>
MAPNIK_DISABLE_WARNING_POP
#include <memory>
// stl
#include <iostream>
#include <fstream>
#include <exception>
int main(int argc, char** argv)
{
namespace po = boost::program_options;
po::options_description desc("Postgresql/PostGIS to SQLite3 converter\n Options");
std::string usage = "usage: pgsql2sqlite --dbname db --table planet_osm_line --file osm.sqlite --query \"select * "
"from planet_osm_line\"";
mapnik::setup();
try
{
// clang-format off
desc.add_options()
("help,?","Display this help screen.")
("host,h",po::value<std::string>(),"Allows you to specify connection to a database on a machine other than the default.")
("port,p",po::value<std::string>(),"Allows you to specify a database port other than the default.")
("user,u",po::value<std::string>(),"Connect to the database as the specified user.")
("dbname,d",po::value<std::string>(),"postgresql database name")
("password,P",po::value<std::string>(),"Connect to the database with the specified password.")
("query,q",po::value<std::string>(),"Name of the table/or query to pass to postmaster")
("table,t",po::value<std::string>(),"Name of the output table to create (default: table in query)")
("file,f",po::value<std::string>(),"Use this option to specify the name of the file to create.")
;
// clang-format on
// po::positional_options_description p;
// p.add("table",1);
po::variables_map vm;
// positional(p)
po::store(po::command_line_parser(argc, argv).options(desc).run(), vm);
po::notify(vm);
if (vm.count("help"))
{
std::cout << desc << "\n";
std::cout << usage << "\n";
return EXIT_SUCCESS;
}
else if (!vm.count("dbname") || !vm.count("file") || !vm.count("query"))
{
std::cout << desc << "\n";
std::cout << usage << "\n";
std::cout << "Both --dbname, --file and, --query are required\n";
return EXIT_FAILURE;
}
mapnik::parameters conn_params;
conn_params["application_name"] = "pgsql2sqlite";
for (auto k : {"host", "port", "dbname", "user", "password"})
{
if (!vm[k].empty())
conn_params[k] = vm[k].as<std::string>();
}
ConnectionCreator<Connection> creator(conn_params);
try
{
std::shared_ptr<Connection> conn(creator());
std::string query = vm["query"].as<std::string>();
std::string output_table_name =
vm.count("table") ? vm["table"].as<std::string>() : mapnik::sql_utils::table_from_sql(query);
std::string output_file = vm["file"].as<std::string>();
std::cout << "output_table : " << output_table_name << "\n";
mapnik::pgsql2sqlite(conn, query, output_table_name, output_file);
}
catch (mapnik::datasource_exception& ex)
{
std::cerr << ex.what() << "\n";
return EXIT_FAILURE;
}
}
catch (std::exception& e)
{
std::cerr << desc << "\n";
std::cout << usage << "\n";
std::cerr << e.what() << "\n";
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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