| #include "args.hpp" |
| |
| #include <getopt.h> |
| |
| #include <iostream> |
| #include <sstream> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| namespace openpower |
| { |
| namespace vpd |
| { |
| namespace args |
| { |
| |
| static constexpr auto shortForm = "v:f:o:h"; |
| static const option longForm[] = { |
| {"vpd", required_argument, nullptr, 'v'}, |
| {"fru", required_argument, nullptr, 'f'}, |
| {"object", required_argument, nullptr, 'o'}, |
| {"help", no_argument, nullptr, 'h'}, |
| {0, 0, 0, 0}, |
| }; |
| |
| void usage(char** argv) |
| { |
| std::cerr << "\nUsage: " << argv[0] << " args\n"; |
| std::cerr << "args:\n"; |
| std::cerr << "--vpd=<vpd file> pathname of file containing vpd,"; |
| std::cerr << " for eg an eeprom file\n"; |
| std::cerr << "--fru=<FRU type>, supported types:\n"; |
| std::cerr << "\t" |
| << "bmc\n"; |
| std::cerr << "\t" |
| << "ethernet\n"; |
| std::cerr << "Specify multiple FRU types via comma-separated list\n"; |
| std::cerr << "--object=<FRU object path> for eg,"; |
| std::cerr << " chassis/bmc0/planar\n"; |
| std::cerr << "Specify multiple object paths via comma-separated list, " |
| "ordered as the FRU types\n"; |
| std::cerr << "--help display usage\n"; |
| } |
| |
| Args parse(int argc, char** argv) |
| { |
| Args args; |
| int option = 0; |
| if (1 == argc) |
| { |
| usage(argv); |
| } |
| while (-1 != |
| (option = getopt_long(argc, argv, shortForm, longForm, nullptr))) |
| { |
| if (('h' == option) || ('?' == option)) |
| { |
| usage(argv); |
| } |
| else |
| { |
| auto which = &longForm[0]; |
| // Figure out which option |
| while ((which->val != option) && (which->val != 0)) |
| { |
| ++which; |
| } |
| // If option needs an argument, note the argument value |
| if ((no_argument != which->has_arg) && optarg) |
| { |
| using argList = std::vector<std::string>; |
| argList values; |
| // There could be a comma-separated list |
| std::string opts(optarg); |
| std::istringstream stream(std::move(opts)); |
| std::string input{}; |
| while (std::getline(stream, input, ',')) |
| { |
| values.push_back(std::move(input)); |
| } |
| args.emplace(which->name, std::move(values)); |
| } |
| } |
| } |
| |
| return args; |
| } |
| |
| } // namespace args |
| } // namespace vpd |
| } // namespace openpower |