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LibJS: Implement parsing of TemporalTimeString

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This commit is contained in:
Linus Groh 2021-11-19 18:36:14 +00:00
parent b42b7d5f16
commit 453c78215c
5 changed files with 41 additions and 9 deletions
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30
Userland/Libraries/LibJS/Runtime/Temporal/ISO8601.cpp
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@ -422,6 +422,17 @@ bool ISO8601Parser::parse_time_spec()
return true;
}
// https://tc39.es/proposal-temporal/#prod-Time
bool ISO8601Parser::parse_time()
{
// Time :
// TimeSpec TimeZone[opt]
if (!parse_time_spec())
return false;
(void)parse_time_zone();
return true;
}
// https://tc39.es/proposal-temporal/#prod-TimeSpecSeparator
bool ISO8601Parser::parse_time_spec_separator()
{
@ -475,11 +486,24 @@ bool ISO8601Parser::parse_temporal_date_time_string()
return parse_calendar_date_time();
}
// https://tc39.es/proposal-temporal/#prod-TemporalTimeString
bool ISO8601Parser::parse_temporal_time_string()
{
// TemporalTimeString :
// Time
// DateTime
// NOTE: Reverse order here because `Time` can be a subset of `DateTime`,
// so we'd not attempt to parse that but may not exhaust the input string.
return parse_date_time()
|| parse_time();
}
#define JS_ENUMERATE_ISO8601_PRODUCTION_PARSERS \
__JS_ENUMERATE(TemporalDateString, parse_temporal_date_string) \
__JS_ENUMERATE(TemporalDateTimeString, parse_temporal_date_time_string)
}
#define JS_ENUMERATE_ISO8601_PRODUCTION_PARSERS \
__JS_ENUMERATE(TemporalDateString, parse_temporal_date_string) \
__JS_ENUMERATE(TemporalDateTimeString, parse_temporal_date_time_string) \
__JS_ENUMERATE(TemporalTimeString, parse_temporal_time_string)
Optional<ParseResult> parse_iso8601(Production production, StringView input)
{