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LibWeb: Implement input local date and time type sanitation algorithm

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Kyle Lanmon 2022-12-04 22:41:55 -06:00 committed by Linus Groh
parent a3c4af7a19
commit c5b953e51b
Notes: sideshowbarker 2024-07-17 03:09:45 +09:00 
Author: https://github.com/lanmonster
Commit: https://github.com/SerenityOS/serenity/commit/c5b953e51b
Pull-request: https://github.com/SerenityOS/serenity/pull/16320
Reviewed-by: https://github.com/linusg ✅
1 changed files with 25 additions and 0 deletions
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25
Userland/Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@ -637,6 +637,26 @@ static bool is_valid_date_string(DeprecatedString const& value)
return day >= 1 && day <= AK::days_in_month(year, month);
}
// https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#valid-local-date-and-time-string
static bool is_valid_local_date_and_time_string(DeprecatedString const& value)
{
auto parts_split_by_T = value.split('T');
if (parts_split_by_T.size() == 2)
return is_valid_date_string(parts_split_by_T[0]) && is_valid_time_string(parts_split_by_T[1]);
auto parts_split_by_space = value.split(' ');
if (parts_split_by_space.size() == 2)
return is_valid_date_string(parts_split_by_space[0]) && is_valid_time_string(parts_split_by_space[1]);
return false;
}
// https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#valid-normalised-local-date-and-time-string
static DeprecatedString normalize_local_date_and_time_string(DeprecatedString const& value)
{
VERIFY(value.count(" "sv) == 1);
return value.replace(" "sv, "T"sv, ReplaceMode::FirstOnly);
}
// https://html.spec.whatwg.org/multipage/input.html#value-sanitization-algorithm
DeprecatedString HTMLInputElement::value_sanitization_algorithm(DeprecatedString value) const
{
@ -695,6 +715,11 @@ DeprecatedString HTMLInputElement::value_sanitization_algorithm(DeprecatedString
// https://html.spec.whatwg.org/multipage/input.html#time-state-(type=time):value-sanitization-algorithm
if (!is_valid_time_string(value))
return "";
} else if (type_state() == HTMLInputElement::TypeAttributeState::LocalDateAndTime) {
// https://html.spec.whatwg.org/multipage/input.html#local-date-and-time-state-(type=datetime-local):value-sanitization-algorithm
if (is_valid_local_date_and_time_string(value))
return normalize_local_date_and_time_string(value);
return "";
} else if (type_state() == HTMLInputElement::TypeAttributeState::Color) {
// https://html.spec.whatwg.org/multipage/input.html#color-state-(type=color):value-sanitization-algorithm
// If the value of the element is a valid simple color, then set it to the value of the element converted to ASCII lowercase;