| 175 | } |
| 176 | |
| 177 | std::string common_arg::to_string() const { |
| 178 | // params for printing to console |
| 179 | const static int n_leading_spaces = 40; |
| 180 | const static int n_char_per_line_help = 70; // TODO: detect this based on current console |
| 181 | std::string leading_spaces(n_leading_spaces, ' '); |
| 182 | |
| 183 | std::ostringstream ss; |
| 184 | auto all_args = get_args(); // also contains args_neg |
| 185 | for (const auto & arg : all_args) { |
| 186 | if (arg == all_args.front()) { |
| 187 | if (all_args.size() == 1) { |
| 188 | ss << arg; |
| 189 | } else { |
| 190 | // first arg is usually abbreviation, we need padding to make it more beautiful |
| 191 | auto tmp = std::string(arg) + ", "; |
| 192 | auto spaces = std::string(std::max(0, 7 - (int)tmp.size()), ' '); |
| 193 | ss << tmp << spaces; |
| 194 | } |
| 195 | } else { |
| 196 | ss << arg << (arg != all_args.back() ? ", " : ""); |
| 197 | } |
| 198 | } |
| 199 | if (value_hint) ss << " " << value_hint; |
| 200 | if (value_hint_2) ss << " " << value_hint_2; |
| 201 | if (ss.tellp() > n_leading_spaces - 3) { |
| 202 | // current line is too long, add new line |
| 203 | ss << "\n" << leading_spaces; |
| 204 | } else { |
| 205 | // padding between arg and help, same line |
| 206 | ss << std::string(leading_spaces.size() - ss.tellp(), ' '); |
| 207 | } |
| 208 | const auto help_lines = break_str_into_lines(help, n_char_per_line_help); |
| 209 | for (const auto & line : help_lines) { |
| 210 | ss << (&line == &help_lines.front() ? "" : leading_spaces) << line << "\n"; |
| 211 | } |
| 212 | return ss.str(); |
| 213 | } |
| 214 | |
| 215 | std::vector<std::string> common_arg::get_args() const { |
| 216 | std::vector<std::string> result; |
no test coverage detected