Function main

apps/PathTreeExport/PathTreeExport.cpp:122–169

}

int main(int argc, char *argv[]) {
    std::ostream *stream = &std::cout;
    Options opt;
    std::string type;
    {
        namespace po = boost::program_options;
        // clang-format off
        po::options_description desc("Options");
        desc.add_options()
            ("help,h", "produce help message")
            ("output,O", po::value<std::string>(), "output file (defaults to standard out)")
            //("type,T", po::value<std::string>(&opt.graphOutputType)->default_value("dot"), "output data format (defaults to graphviz/dot)")
            ("show-tree,t", po::value<bool>(&opt.showTree)->default_value(true), "Whether or not to show the path tree structure")
            ("show-aliases,a", po::value<bool>(&opt.showAliases)->default_value(false), "Whether or not to show the alias links")
            ("full-paths,p", po::value<bool>(&opt.fullPaths)->default_value(false), "Whether or not to use a node's full path as its label")
            ;
        // clang-format on
        po::variables_map vm;
        bool usage = false;
        try {
            po::store(po::command_line_parser(argc, argv).options(desc).run(),
                      vm);
            po::notify(vm);
        } catch (std::exception &e) {
            std::cerr << "\nError parsing command line: " << e.what()
                      << std::endl;
            usage = true;
        }
        if (usage || vm.count("help")) {
            std::cerr
                << "\nTraverses the path tree and outputs it as input data "
                   "for a graph software package\n";
            std::cerr << "Usage: " << argv[0] << " [options]\n";
            std::cerr << desc << "\n";
            return 1;
        }
        std::ofstream file;
        if (vm.count("output")) {
            file.open(vm["output"].as<std::string>().c_str());
            if (!file) {
                std::cerr << "Error opening output file." << std::endl;
                return 1;
            }
            stream = &file;
        }
        return osvrToStream(*stream, opt);
    }
}