| 429 | } |
| 430 | |
| 431 | bool SimpleDateFormatParser::ParseDateTime(const char* str, int str_len, |
| 432 | const DateTimeFormatContext& dt_ctx, DateTimeParseResult* dt_result) { |
| 433 | DCHECK(dt_ctx.fmt_len > 0); |
| 434 | DCHECK(dt_ctx.toks.size() > 0); |
| 435 | DCHECK(dt_result != NULL); |
| 436 | if (str_len <= 0 || str_len < dt_ctx.fmt_len || str == NULL) return false; |
| 437 | StringParser::ParseResult status; |
| 438 | // Keep track of the number of characters we need to shift token positions by. |
| 439 | // Variable-length tokens will result in values > 0; |
| 440 | int shift_len = 0; |
| 441 | for (const DateTimeFormatToken& tok: dt_ctx.toks) { |
| 442 | const char* tok_val = str + tok.pos + shift_len; |
| 443 | if (tok.type == SEPARATOR) { |
| 444 | if (UNLIKELY(*tok_val != *tok.val)) return false; |
| 445 | continue; |
| 446 | } |
| 447 | int tok_len = tok.len; |
| 448 | const char* str_end = str + str_len; |
| 449 | // In case of single-character tokens we scan ahead to the next separator. |
| 450 | if (UNLIKELY(tok_len == 1)) { |
| 451 | while ((tok_val + tok_len < str_end) && isdigit(*(tok_val + tok_len))) { |
| 452 | ++tok_len; |
| 453 | ++shift_len; |
| 454 | } |
| 455 | } |
| 456 | switch (tok.type) { |
| 457 | case YEAR: { |
| 458 | if (!ParseAndValidate(tok_val, tok_len, 0, 9999, &dt_result->year)) return false; |
| 459 | // Year in "Y" and "YY" format should be in the interval |
| 460 | // [current time - 80 years, current time + 20 years) |
| 461 | if (tok_len <= 2) dt_result->realign_year = true; |
| 462 | break; |
| 463 | } |
| 464 | case MONTH_IN_YEAR: { |
| 465 | if (!ParseAndValidate(tok_val, tok_len, 1, 12, &dt_result->month)) return false; |
| 466 | break; |
| 467 | } |
| 468 | case MONTH_NAME_SHORT: { |
| 469 | const char* tok_end = tok_val + tok_len; |
| 470 | if (!ParseMonthNameToken(tok, tok_val, &tok_end, dt_ctx.fx_modifier, |
| 471 | &dt_result->month)) { |
| 472 | return false; |
| 473 | } |
| 474 | break; |
| 475 | } |
| 476 | case DAY_IN_MONTH: { |
| 477 | if (!ParseAndValidate(tok_val, tok_len, 1, 31, &dt_result->day)) return false; |
| 478 | break; |
| 479 | } |
| 480 | case HOUR_IN_DAY: { |
| 481 | if (!ParseAndValidate(tok_val, tok_len, 0, 23, &dt_result->hour)) return false; |
| 482 | break; |
| 483 | } |
| 484 | case MINUTE_IN_HOUR: { |
| 485 | if (!ParseAndValidate(tok_val, tok_len, 0, 59, &dt_result->minute)) return false; |
| 486 | break; |
| 487 | } |
| 488 | case SECOND_IN_MINUTE: { |
nothing calls this directly
no test coverage detected