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LibJS: Implement several more ISO8601 productions

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This started with implementing TemporalMonthDayString. It turns out that
the facilities needed to parse that production includes nearly all the
helpers to parse each of:

    TemporalDateTimeString
    TemporalInstantString
    TemporalMonthDayString
    TemporalTimeString
    TemporalYearMonthString
    TemporalZonedDateTimeString

As most of these invoke the same helpers with different options. So,
all 6 of those productions are implemented here.
This commit is contained in:
Timothy Flynn 2024-11-19 15:15:13 -05:00
parent 001df24935
commit 8af2f3ab2a
2 changed files with 987 additions and 62 deletions
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1000
Libraries/LibJS/Runtime/Temporal/ISO8601.cpp
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49
Libraries/LibJS/Runtime/Temporal/ISO8601.h
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@ -9,11 +9,42 @@
#include <AK/Optional.h>
#include <AK/StringView.h>
#include <AK/Vector.h>
namespace JS::Temporal {
struct Annotation {
bool critical { false };
StringView key;
StringView value;
};
struct TimeZoneOffset {
Optional<char> sign;
Optional<StringView> hours;
Optional<StringView> minutes;
Optional<StringView> seconds;
Optional<StringView> fraction;
StringView source_text;
};
struct ParseResult {
Optional<char> sign;
Optional<StringView> date_year;
Optional<StringView> date_month;
Optional<StringView> date_day;
Optional<StringView> time_hour;
Optional<StringView> time_minute;
Optional<StringView> time_second;
Optional<StringView> time_fraction;
Optional<TimeZoneOffset> date_time_offset;
Optional<StringView> utc_designator;
Optional<StringView> time_zone_identifier;
Optional<StringView> time_zone_iana_name;
Optional<TimeZoneOffset> time_zone_offset;
Optional<StringView> duration_years;
Optional<StringView> duration_months;
Optional<StringView> duration_weeks;
@ -24,12 +55,30 @@ struct ParseResult {
Optional<StringView> duration_minutes_fraction;
Optional<StringView> duration_seconds;
Optional<StringView> duration_seconds_fraction;
Vector<Annotation> annotations;
};
enum class Production {
AnnotationValue,
DateMonth,
TemporalDateTimeString,
TemporalDurationString,
TemporalInstantString,
TemporalMonthDayString,
TemporalTimeString,
TemporalYearMonthString,
TemporalZonedDateTimeString,
TimeZoneIdentifier,
};
Optional<ParseResult> parse_iso8601(Production, StringView);
enum class SubMinutePrecision {
No,
Yes,
};
Optional<TimeZoneOffset> parse_utc_offset(StringView, SubMinutePrecision);
}