| 516 | } |
| 517 | |
| 518 | int prompt_loop(std::recursive_mutex * lock, CommandHistory & history) |
| 519 | { |
| 520 | int fd = STDIN_FILENO; |
| 521 | size_t plen = prompt.size(); |
| 522 | int history_index = 0; |
| 523 | raw_buffer.clear(); |
| 524 | raw_cursor = 0; |
| 525 | /* The latest history entry is always our current buffer, that |
| 526 | * initially is just an empty string. */ |
| 527 | const std::string empty; |
| 528 | history.add(empty); |
| 529 | if (::write(fd,prompt.c_str(),prompt.size()) == -1) |
| 530 | return Console::FAILURE; |
| 531 | while(1) |
| 532 | { |
| 533 | unsigned char c; |
| 534 | unsigned char seq[2], seq2; |
| 535 | lock->unlock(); |
| 536 | if(!read_char(c)) |
| 537 | { |
| 538 | lock->lock(); |
| 539 | return Console::SHUTDOWN; |
| 540 | } |
| 541 | lock->lock(); |
| 542 | const int old_cursor = raw_cursor; |
| 543 | /* Only autocomplete when the callback is set. It returns < 0 when |
| 544 | * there was an error reading from fd. Otherwise it will return the |
| 545 | * character that should be handled next. */ |
| 546 | if (c == 9) |
| 547 | { |
| 548 | /* |
| 549 | if( completionCallback != NULL) { |
| 550 | c = completeLine(fd,prompt,buf,buflen,&len,&pos,cols); |
| 551 | // Return on errors |
| 552 | if (c < 0) return len; |
| 553 | // Read next character when 0 |
| 554 | if (c == 0) continue; |
| 555 | } |
| 556 | else |
| 557 | { |
| 558 | // ignore tab |
| 559 | continue; |
| 560 | } |
| 561 | */ |
| 562 | // just ignore tabs |
| 563 | continue; |
| 564 | } |
| 565 | |
| 566 | switch(c) |
| 567 | { |
| 568 | case 13: // enter |
| 569 | case 10: |
| 570 | history.remove(); |
| 571 | return raw_buffer.size(); |
| 572 | case 3: // ctrl-c |
| 573 | return Console::RETRY; |
| 574 | case 127: // backspace |
| 575 | case 8: // ctrl-h |
nothing calls this directly
no test coverage detected