| 353 | } |
| 354 | |
| 355 | std::string FormatParagraph(const std::string& in, size_t width, size_t indent) |
| 356 | { |
| 357 | std::stringstream out; |
| 358 | size_t ptr = 0; |
| 359 | size_t indented = 0; |
| 360 | while (ptr < in.size()) |
| 361 | { |
| 362 | size_t lineend = in.find_first_of('\n', ptr); |
| 363 | if (lineend == std::string::npos) { |
| 364 | lineend = in.size(); |
| 365 | } |
| 366 | const size_t linelen = lineend - ptr; |
| 367 | const size_t rem_width = width - indented; |
| 368 | if (linelen <= rem_width) { |
| 369 | out << in.substr(ptr, linelen + 1); |
| 370 | ptr = lineend + 1; |
| 371 | indented = 0; |
| 372 | } else { |
| 373 | size_t finalspace = in.find_last_of(" \n", ptr + rem_width); |
| 374 | if (finalspace == std::string::npos || finalspace < ptr) { |
| 375 | // No place to break; just include the entire word and move on |
| 376 | finalspace = in.find_first_of("\n ", ptr); |
| 377 | if (finalspace == std::string::npos) { |
| 378 | // End of the string, just add it and break |
| 379 | out << in.substr(ptr); |
| 380 | break; |
| 381 | } |
| 382 | } |
| 383 | out << in.substr(ptr, finalspace - ptr) << "\n"; |
| 384 | if (in[finalspace] == '\n') { |
| 385 | indented = 0; |
| 386 | } else if (indent) { |
| 387 | out << std::string(indent, ' '); |
| 388 | indented = indent; |
| 389 | } |
| 390 | ptr = finalspace + 1; |
| 391 | } |
| 392 | } |
| 393 | return out.str(); |
| 394 | } |
| 395 | |
| 396 | std::string i64tostr(int64_t n) |
| 397 | { |