| 464 | } |
| 465 | |
| 466 | static string getFewLines ( const char* st, uint32_t stlen, int ROW, int COL, int /*LROW*/, int LCOL, int TAB ) { |
| 467 | TextWriter text; |
| 468 | int col=0, row=1; |
| 469 | auto it = st; |
| 470 | auto itend = st + stlen; |
| 471 | if ( ROW>1 ) { |
| 472 | while ( it!=itend && *it ) { |
| 473 | auto CH = *it++; |
| 474 | if ( CH=='\n' ) { |
| 475 | row++; |
| 476 | col=0; |
| 477 | if ( row==ROW ) break; |
| 478 | } |
| 479 | } |
| 480 | } |
| 481 | if ( row!=ROW ) return ""; |
| 482 | auto beginOfLine = it; |
| 483 | for (;;) { |
| 484 | if (it == itend || *it == 0) |
| 485 | { |
| 486 | text << "\n"; |
| 487 | break; |
| 488 | } |
| 489 | auto CH = *it++; |
| 490 | if ( CH=='\t' ) { |
| 491 | int tcol = (col + TAB) & ~(TAB-1); |
| 492 | while ( col < tcol ) { |
| 493 | text << " "; |
| 494 | col ++; |
| 495 | } |
| 496 | continue; |
| 497 | } else if ( CH=='\n' ) { |
| 498 | row++; |
| 499 | col=0; |
| 500 | text << "\n"; |
| 501 | break; |
| 502 | } else { |
| 503 | text << CH; |
| 504 | } |
| 505 | col ++; |
| 506 | } |
| 507 | it = beginOfLine; |
| 508 | const char * tail = it + COL; |
| 509 | while ( it!=tail && it!=itend && *it ) { |
| 510 | auto CH = *it++; |
| 511 | if ( CH=='\t' ) { |
| 512 | int tcol = (col + TAB) & ~(TAB-1); |
| 513 | while ( col < tcol ) { |
| 514 | text << " "; |
| 515 | col ++; |
| 516 | } |
| 517 | continue; |
| 518 | } else if ( CH=='\n' ) { |
| 519 | break; |
| 520 | } else { |
| 521 | text << " "; |
| 522 | } |
| 523 | col ++; |
no test coverage detected