| 40 | } |
| 41 | |
| 42 | int parse_options (const Options_list& options, int argc, const char** argv) |
| 43 | { |
| 44 | int argi = 0; |
| 45 | |
| 46 | while (argi < argc && argv[argi][0] == '-' && argv[argi][1] != '\0') { |
| 47 | if (std::strcmp(argv[argi], "--") == 0) { |
| 48 | ++argi; |
| 49 | break; |
| 50 | } else if (std::strncmp(argv[argi], "--", 2) == 0) { |
| 51 | std::string option_name; |
| 52 | const char* option_value = 0; |
| 53 | if (const char* eq = std::strchr(argv[argi], '=')) { |
| 54 | option_name.assign(argv[argi], eq); |
| 55 | option_value = eq + 1; |
| 56 | } else { |
| 57 | option_name = argv[argi]; |
| 58 | } |
| 59 | ++argi; |
| 60 | |
| 61 | const Option_def* opt(find_option(options, option_name)); |
| 62 | if (!opt) { |
| 63 | throw Option_error(option_name, "Invalid option"); |
| 64 | } |
| 65 | |
| 66 | if (opt->is_set) { |
| 67 | *opt->is_set = true; |
| 68 | } |
| 69 | if (opt->value) { |
| 70 | if (option_value) { |
| 71 | *opt->value = option_value; |
| 72 | } else { |
| 73 | if (argi >= argc) { |
| 74 | throw Option_error(option_name, "Option requires a value"); |
| 75 | } |
| 76 | *opt->value = argv[argi]; |
| 77 | ++argi; |
| 78 | } |
| 79 | } else { |
| 80 | if (option_value) { |
| 81 | throw Option_error(option_name, "Option takes no value"); |
| 82 | } |
| 83 | } |
| 84 | } else { |
| 85 | const char* arg = argv[argi] + 1; |
| 86 | ++argi; |
| 87 | while (*arg) { |
| 88 | std::string option_name("-"); |
| 89 | option_name.push_back(*arg); |
| 90 | ++arg; |
| 91 | |
| 92 | const Option_def* opt(find_option(options, option_name)); |
| 93 | if (!opt) { |
| 94 | throw Option_error(option_name, "Invalid option"); |
| 95 | } |
| 96 | if (opt->is_set) { |
| 97 | *opt->is_set = true; |
| 98 | } |
| 99 | if (opt->value) { |
no test coverage detected