PlainTime.cpp 1.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657
  1. /*
  2. * Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #include <LibJS/Runtime/Temporal/PlainTime.h>
  7. #include <LibJS/Runtime/Value.h>
  8. namespace JS::Temporal {
  9. // 4.5.5 IsValidTime ( hour, minute, second, millisecond, microsecond, nanosecond ), https://tc39.es/proposal-temporal/#sec-temporal-isvalidtime
  10. bool is_valid_time(u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond)
  11. {
  12. // 1. Assert: hour, minute, second, millisecond, microsecond, and nanosecond are integers.
  13. // 2. If hour < 0 or hour > 23, then
  14. if (hour > 23) {
  15. // a. Return false.
  16. return false;
  17. }
  18. // 3. If minute < 0 or minute > 59, then
  19. if (minute > 59) {
  20. // a. Return false.
  21. return false;
  22. }
  23. // 4. If second < 0 or second > 59, then
  24. if (second > 59) {
  25. // a. Return false.
  26. return false;
  27. }
  28. // 5. If millisecond < 0 or millisecond > 999, then
  29. if (millisecond > 999) {
  30. // a. Return false.
  31. return false;
  32. }
  33. // 6. If microsecond < 0 or microsecond > 999, then
  34. if (microsecond > 999) {
  35. // a. Return false.
  36. return false;
  37. }
  38. // 7. If nanosecond < 0 or nanosecond > 999, then
  39. if (nanosecond > 999) {
  40. // a. Return false.
  41. return false;
  42. }
  43. // 8. Return true.
  44. return true;
  45. }
  46. }