| 114 | } |
| 115 | |
| 116 | std::string MakeUsage(const CommandSpec& spec) { |
| 117 | std::ostringstream oss; |
| 118 | oss << "Usage: mnncli " << spec.name; |
| 119 | |
| 120 | // Show positional arguments |
| 121 | if (spec.max_positional > 0) { |
| 122 | oss << " ["; |
| 123 | if (spec.max_positional == 1) { |
| 124 | oss << "model_name"; |
| 125 | } else { |
| 126 | oss << "model_name ..."; |
| 127 | } |
| 128 | oss << "]"; |
| 129 | } |
| 130 | |
| 131 | // Show options |
| 132 | if (!spec.options.empty()) { |
| 133 | oss << " [options]"; |
| 134 | } |
| 135 | |
| 136 | oss << "\n\n"; |
| 137 | |
| 138 | // Help text |
| 139 | if (!spec.help.empty()) { |
| 140 | oss << spec.help << "\n\n"; |
| 141 | } |
| 142 | |
| 143 | // Options |
| 144 | if (!spec.options.empty()) { |
| 145 | oss << "Options:\n"; |
| 146 | for (const auto& opt : spec.options) { |
| 147 | oss << " "; |
| 148 | if (opt.short_name) { |
| 149 | oss << "-" << opt.short_name << ", "; |
| 150 | } |
| 151 | oss << "--" << opt.long_name; |
| 152 | |
| 153 | if (opt.kind == ArgKind::Value) { |
| 154 | oss << " <value>"; |
| 155 | } |
| 156 | |
| 157 | if (opt.required) { |
| 158 | oss << " (required)"; |
| 159 | } |
| 160 | |
| 161 | oss << " " << opt.help << "\n"; |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | return oss.str(); |
| 166 | } |
| 167 | |
| 168 | } // namespace mnncli |