bool CommandGetParents::setup(const std::vector<std::string>& arguments) {
    po::options_description opts_cmd{"COMMAND OPTIONS"};
    opts_cmd.add_options()
    ("default-type", po::value<std::string>()->default_value("node"), "Default item type")
    ("id-file,i", po::value<std::vector<std::string>>(), "Read OSM IDs from text file")
    ("id-osm-file,I", po::value<std::vector<std::string>>(), "Read OSM IDs from OSM file")
    ("add-self,s", "Add objects with specified IDs themselves")
    ("verbose-ids", "Print all requested IDs")
    ;

    po::options_description opts_common{add_common_options()};
    po::options_description opts_input{add_single_input_options()};
    po::options_description opts_output{add_output_options()};

    po::options_description hidden;
    hidden.add_options()
    ("input-filename", po::value<std::string>(), "OSM input file")
    ("ids", po::value<std::vector<std::string>>(), "OSM IDs")
    ;

    po::options_description desc;
    desc.add(opts_cmd).add(opts_common).add(opts_input).add(opts_output);

    po::options_description parsed_options;
    parsed_options.add(desc).add(hidden);

    po::positional_options_description positional;
    positional.add("input-filename", 1);
    positional.add("ids", -1);

    po::variables_map vm;
    po::store(po::command_line_parser(arguments).options(parsed_options).positional(positional).run(), vm);
    po::notify(vm);

    setup_common(vm, desc);
    setup_progress(vm);
    setup_input_file(vm);
    setup_output_file(vm);

    if (vm.count("add-self")) {
        m_add_self = true;
    }

    if (vm.count("default-type")) {
        m_default_item_type = parse_item_type(vm["default-type"].as<std::string>());
    }

    if (vm.count("verbose-ids")) {
        m_vout.verbose(true);
        m_verbose_ids = true;
    }

    if (vm.count("id-file")) {
        for (const std::string& filename : vm["id-file"].as<std::vector<std::string>>()) {
            if (filename == "-") {
                if (m_input_filename.empty() || m_input_filename == "-") {
                    throw argument_error{"Can not read OSM input and IDs both from STDIN."};
                }
                m_vout << "Reading IDs from STDIN...\n";
                read_id_file(std::cin, m_ids, m_default_item_type);
            } else {
                std::ifstream id_file{filename};
                if (!id_file.is_open()) {
                    throw argument_error{"Could not open file '" + filename + "'"};
                }
                m_vout << "Reading ID file...\n";
                read_id_file(id_file, m_ids, m_default_item_type);
            }
        }
    }

    if (vm.count("id-osm-file")) {
        for (const std::string& filename : vm["id-osm-file"].as<std::vector<std::string>>()) {
            m_vout << "Reading OSM ID file...\n";
            read_id_osm_file(filename, m_ids);
        }
    }

    if (vm.count("ids")) {
        std::string sids;
        for (const auto& s : vm["ids"].as<std::vector<std::string>>()) {
            sids += s + " ";
        }
        for (const auto& s : osmium::split_string(sids, "\t ;,/|", true)) {
            parse_and_add_id(s, m_ids, m_default_item_type);
        }
    }

    if (no_ids(m_ids)) {
        throw argument_error{"Please specify IDs to look for on command line or with option --id-file/-i or --id-osm-file/-I."};
    }

    return true;
}
bool CommandAddRefs::setup(const std::vector<std::string>& arguments) {
    po::options_description cmdline("Available options");
    cmdline.add_options()
    ("id-file,i", po::value<std::string>(), "Read OSM IDs from given file")
    ("source,s", po::value<std::string>(), "Source file supplying the referenced objects")
    ("source-format", po::value<std::string>(), "Format of source file")
    ;

    add_common_options(cmdline);
    add_multiple_inputs_options(cmdline);
    add_output_options(cmdline);

    po::options_description hidden("Hidden options");
    hidden.add_options()
    ("input-filenames", po::value<std::vector<std::string>>(), "OSM input files")
    ;

    po::options_description desc("Allowed options");
    desc.add(cmdline).add(hidden);

    po::positional_options_description positional;
    positional.add("input-filenames", -1);

    po::variables_map vm;
    po::store(po::command_line_parser(arguments).options(desc).positional(positional).run(), vm);
    po::notify(vm);

    if (vm.count("help")) {
        std::cout << "Usage: osmium add-refs [OPTIONS] -s OSM-DATA-FILE OSM-DATA-FILE...\n"
                  << "       osmium add-refs [OPTIONS] -s OSM-DATA-FILE -i ID-FILE\n\n";
        std::cout << cmdline << "\n";
        exit(0);
    }

    setup_common(vm);
    setup_input_files(vm, true);
    setup_output_file(vm);

    if (vm.count("id-file")) {
        std::string filename = vm["id-file"].as<std::string>();

        std::ifstream id_file{filename};
        if (!id_file.is_open()) {
            throw argument_error("Could not open file '" + filename + "'");
        }

        for (std::string line; std::getline(id_file, line); ) {
            if (line.empty() || line[0] == '#') {
                continue;
            }
            auto pos = line.find(' ');
            if (pos != std::string::npos) {
                line = line.erase(pos);
            }
            parse_and_add_id(line);
        }
    }

    if (vm.count("source")) {
        m_source_filename = vm["source"].as<std::string>();
    }

    if (vm.count("source-format")) {
        m_source_format = vm["source-format"].as<std::string>();
    }

    m_source_file = osmium::io::File{m_source_filename, m_source_format};

    return true;
}