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LibJS: Add the CompareTemporalTime & CompareISODateTime AOs

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These are required for implementing comparisons between `PlainTime`s and
`PlainDateTime`s.
This commit is contained in:
Idan Horowitz 2021-08-27 16:33:15 +03:00 • committed by Linus Groh
parent 86b99fd9a6
commit 28fa4d1568
4 changed files with 77 additions and 0 deletions
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57
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
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@ -264,4 +264,61 @@ Optional<TemporalTime> to_temporal_time_record(GlobalObject& global_object, Obje
return result;
}
// 4.5.11 CompareTemporalTime ( h1, min1, s1, ms1, mus1, ns1, h2, min2, s2, ms2, mus2, ns2 ), https://tc39.es/proposal-temporal/#sec-temporal-comparetemporaltime
i8 compare_temporal_time(u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2)
{
// 1. Assert: h1, min1, s1, ms1, mus1, ns1, h2, min2, s2, ms2, mus2, and ns2 are integers.
// 2. If h1 > h2, return 1.
if (hour1 > hour2)
return 1;
// 3. If h1 < h2, return -1.
if (hour1 < hour2)
return -1;
// 4. If min1 > min2, return 1.
if (minute1 > minute2)
return 1;
// 5. If min1 < min2, return -1.
if (minute1 < minute2)
return -1;
// 6. If s1 > s2, return 1.
if (second1 > second2)
return 1;
// 7. If s1 < s2, return -1.
if (second1 < second2)
return -1;
// 8. If ms1 > ms2, return 1.
if (millisecond1 > millisecond2)
return 1;
// 9. If ms1 < ms2, return -1.
if (millisecond1 < millisecond2)
return -1;
// 10. If mus1 > mus2, return 1.
if (microsecond1 > microsecond2)
return 1;
// 11. If mus1 < mus2, return -1.
if (microsecond1 < microsecond2)
return -1;
// 12. If ns1 > ns2, return 1.
if (nanosecond1 > nanosecond2)
return 1;
// 13. If ns1 < ns2, return -1.
if (nanosecond1 < nanosecond2)
return -1;
// 14. Return 0.
return 0;
}
}