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LibJS: Remove unused is_valid_time_zone_numeric_utc_offset_syntax()

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...as well as the underlying function:
parse_time_zone_numeric_utc_offset_syntax()
This commit is contained in:
Linus Groh 2023-01-26 16:15:49 +00:00
parent bb0362ec3b
commit 70e8a9bc8b
2 changed files with 0 additions and 46 deletions
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44
Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
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@ -4,7 +4,6 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/DateTimeLexer.h>
#include <AK/Time.h>
#include <AK/TypeCasts.h>
#include <LibCrypto/BigInt/UnsignedBigInteger.h>
@ -165,49 +164,6 @@ BigInt* get_named_time_zone_previous_transition(VM&, [[maybe_unused]] StringView
return nullptr;
}
// https://tc39.es/proposal-temporal/#prod-TimeZoneNumericUTCOffset
static bool parse_time_zone_numeric_utc_offset_syntax(DeprecatedString const& offset_string, StringView& sign, StringView& hours, Optional<StringView>& minutes, Optional<StringView>& seconds, Optional<StringView>& fraction)
{
DateTimeLexer lexer(offset_string);
auto sign_part = lexer.consume_sign();
if (!sign_part.has_value())
return false;
sign = *sign_part;
auto hours_part = lexer.consume_hours();
if (!hours_part.has_value())
return false;
hours = *hours_part;
if (!lexer.tell_remaining())
return true;
auto uses_separator = lexer.consume_specific(':');
minutes = lexer.consume_minutes_or_seconds();
if (!minutes.has_value())
return false;
if (!lexer.tell_remaining())
return true;
if (lexer.consume_specific(':') != uses_separator)
return false;
seconds = lexer.consume_minutes_or_seconds();
if (!seconds.has_value())
return false;
if (!lexer.tell_remaining())
return true;
if (!lexer.consume_specific('.') && !lexer.consume_specific(','))
return false;
fraction = lexer.consume_fractional_seconds();
if (!fraction.has_value())
return false;
return !lexer.tell_remaining();
}
bool is_valid_time_zone_numeric_utc_offset_syntax(DeprecatedString const& offset_string)
{
StringView discarded;
Optional<StringView> optionally_discarded;
// FIXME: This is very wasteful
return parse_time_zone_numeric_utc_offset_syntax(offset_string, discarded, discarded, optionally_discarded, optionally_discarded, optionally_discarded);
}
// 11.6.5 FormatTimeZoneOffsetString ( offsetNanoseconds ), https://tc39.es/proposal-temporal/#sec-temporal-formattimezoneoffsetstring
ThrowCompletionOr<String> format_time_zone_offset_string(VM& vm, double offset_nanoseconds)
{