123 lines
4.7 KiB
C++
123 lines
4.7 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) 2015 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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// mapnik
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#include "pgsql2sqlite.hpp"
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#include <mapnik/datasource.hpp>
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#include <mapnik/wkb.hpp>
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#include "connection_manager.hpp"
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// boost
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#include <boost/optional.hpp>
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#include <memory>
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#include <boost/program_options.hpp>
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//stl
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#include <iostream>
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#include <fstream>
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#include <exception>
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int main ( int argc, char** argv)
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{
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namespace po = boost::program_options;
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po::options_description desc("Postgresql/PostGIS to SQLite3 converter\n Options");
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std::string usage = "usage: pgsql2sqlite --dbname db --table planet_osm_line --file osm.sqlite --query \"select * from planet_osm_line\"";
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try
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{
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desc.add_options()
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("help,?","Display this help screen.")
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("host,h",po::value<std::string>(),"Allows you to specify connection to a database on a machine other than the default.")
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("port,p",po::value<std::string>(),"Allows you to specify a database port other than the default.")
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("user,u",po::value<std::string>(),"Connect to the database as the specified user.")
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("dbname,d",po::value<std::string>(),"postgresql database name")
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("password,P",po::value<std::string>(),"Connect to the database with the specified password.")
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("query,q",po::value<std::string>(),"Name of the table/or query to pass to postmaster")
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("table,t",po::value<std::string>(),"Name of the output table to create (default: table in query)")
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("file,f",po::value<std::string>(),"Use this option to specify the name of the file to create.")
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;
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//po::positional_options_description p;
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//p.add("table",1);
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po::variables_map vm;
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//positional(p)
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po::store(po::command_line_parser(argc,argv).options(desc).run(),vm);
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po::notify(vm);
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if (vm.count("help"))
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{
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std::cout << desc << "\n";
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std::cout << usage << "\n";
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return EXIT_SUCCESS;
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}
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else if ( !vm.count("dbname") || !vm.count("file") || !vm.count("query") )
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{
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std::cout << desc << "\n";
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std::cout << usage << "\n";
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std::cout << "Both --dbname, --file and, --query are required\n";
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return EXIT_FAILURE;
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}
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boost::optional<std::string> host;
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boost::optional<std::string> port ;
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boost::optional<std::string> dbname;
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boost::optional<std::string> user;
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boost::optional<std::string> password;
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boost::optional<std::string> connect_timeout("4");
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if (vm.count("host")) host = vm["host"].as<std::string>();
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if (vm.count("port")) port = vm["port"].as<std::string>();
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if (vm.count("dbname")) dbname = vm["dbname"].as<std::string>();
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if (vm.count("user")) user = vm["user"].as<std::string>();
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if (vm.count("password")) password = vm["password"].as<std::string>();
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ConnectionCreator<Connection> creator(host,port,dbname,user,password,connect_timeout);
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try
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{
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std::shared_ptr<Connection> conn(creator());
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std::string query = vm["query"].as<std::string>();
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std::string output_table_name = vm.count("table") ? vm["table"].as<std::string>() : mapnik::sql_utils::table_from_sql(query);
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std::string output_file = vm["file"].as<std::string>();
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std::cout << "output_table : " << output_table_name << "\n";
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mapnik::pgsql2sqlite(conn,query,output_table_name,output_file);
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}
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catch (mapnik::datasource_exception & ex)
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{
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std::cerr << ex.what() << "\n";
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}
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}
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catch(std::exception& e) {
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std::cerr << desc << "\n";
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std::cout << usage << "\n";
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std::cerr << e.what() << "\n";
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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