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LibWeb: Add input element valueAsDate property
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Bastiaan van der Plaat
Andrew Kaster
parent
be511fdcf7
commit
cf69fd0a09
10 changed files with 314 additions and 9 deletions
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@ -8,6 +8,7 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Date.h>
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#include <LibJS/Runtime/NativeFunction.h>
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#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
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#include <LibWeb/CSS/StyleValues/IdentifierStyleValue.h>
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@ -1117,6 +1118,63 @@ String HTMLInputElement::covert_number_to_string(double input) const
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return {};
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}
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// https://html.spec.whatwg.org/multipage/input.html#concept-input-value-string-date
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WebIDL::ExceptionOr<JS::GCPtr<JS::Date>> HTMLInputElement::convert_string_to_date(StringView input) const
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{
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// https://html.spec.whatwg.org/multipage/input.html#date-state-(type=date):concept-input-value-string-date
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if (type_state() == TypeAttributeState::Date) {
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// If parsing a date from input results in an error, then return an error;
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auto maybe_date = parse_date_string(realm(), input);
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if (maybe_date.is_exception())
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return maybe_date.exception();
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// otherwise, return a new Date object representing midnight UTC on the morning of the parsed date.
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return maybe_date.value();
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}
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// https://html.spec.whatwg.org/multipage/input.html#time-state-(type=time):concept-input-value-string-date
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if (type_state() == TypeAttributeState::Time) {
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// If parsing a time from input results in an error, then return an error;
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auto maybe_time = parse_time_string(realm(), input);
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if (maybe_time.is_exception())
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return maybe_time.exception();
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// otherwise, return a new Date object representing the parsed time in UTC on 1970-01-01.
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return maybe_time.value();
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}
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dbgln("HTMLInputElement::convert_string_to_date() not implemented for input type {}", type());
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return nullptr;
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}
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// https://html.spec.whatwg.org/multipage/input.html#concept-input-value-date-string
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String HTMLInputElement::covert_date_to_string(JS::NonnullGCPtr<JS::Date> input) const
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{
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// https://html.spec.whatwg.org/multipage/input.html#date-state-(type=date):concept-input-value-date-string
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if (type_state() == TypeAttributeState::Date) {
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// Return a valid date string that represents the date current at the time represented by input in the UTC time zone.
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// https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#valid-date-string
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return MUST(String::formatted("{:04d}-{:02d}-{:02d}", JS::year_from_time(input->date_value()), JS::month_from_time(input->date_value()) + 1, JS::date_from_time(input->date_value())));
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}
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// https://html.spec.whatwg.org/multipage/input.html#time-state-(type=time):concept-input-value-string-date
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if (type_state() == TypeAttributeState::Time) {
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// Return a valid time string that represents the UTC time component that is represented by input.
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// https://html.spec.whatwg.org/multipage/common-microsyntaxes.html#valid-time-string
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auto seconds = JS::sec_from_time(input->date_value());
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auto milliseconds = JS::ms_from_time(input->date_value());
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if (seconds > 0) {
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if (milliseconds > 0)
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return MUST(String::formatted("{:02d}:{:02d}:{:02d}.{:3d}", JS::hour_from_time(input->date_value()), JS::min_from_time(input->date_value()), seconds, milliseconds));
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return MUST(String::formatted("{:02d}:{:02d}:{:02d}", JS::hour_from_time(input->date_value()), JS::min_from_time(input->date_value()), seconds));
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}
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return MUST(String::formatted("{:02d}:{:02d}", JS::hour_from_time(input->date_value()), JS::min_from_time(input->date_value())));
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}
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dbgln("HTMLInputElement::covert_date_to_string() not implemented for input type {}", type());
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return {};
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}
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// https://html.spec.whatwg.org/multipage/input.html#attr-input-min
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Optional<double> HTMLInputElement::min() const
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{
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@ -1234,8 +1292,50 @@ double HTMLInputElement::step_base() const
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return 0;
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}
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// https://html.spec.whatwg.org/multipage/input.html#dom-input-valueasdate
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JS::Object* HTMLInputElement::value_as_date() const
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{
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// On getting, if the valueAsDate attribute does not apply, as defined for the input element's type attribute's current state, then return null.
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if (!value_as_date_applies())
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return nullptr;
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// Otherwise, run the algorithm to convert a string to a Date object defined for that state to the element's value;
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// if the algorithm returned a Date object, then return it, otherwise, return null.
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auto maybe_date = convert_string_to_date(value());
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if (!maybe_date.is_exception())
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return maybe_date.value().ptr();
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return nullptr;
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}
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// https://html.spec.whatwg.org/multipage/input.html#dom-input-valueasdate
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WebIDL::ExceptionOr<void> HTMLInputElement::set_value_as_date(Optional<JS::Handle<JS::Object>> const& value)
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{
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// On setting, if the valueAsDate attribute does not apply, as defined for the input element's type attribute's current state, then throw an "InvalidStateError" DOMException;
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if (!value_as_date_applies())
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return WebIDL::InvalidStateError::create(realm(), "valueAsDate: Invalid input type used"_fly_string);
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// otherwise, if the new value is not null and not a Date object throw a TypeError exception;
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if (value.has_value() && !is<JS::Date>(**value))
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return WebIDL::SimpleException { WebIDL::SimpleExceptionType::TypeError, "valueAsDate: input is not a Date"sv };
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// otherwise if the new value is null or a Date object representing the NaN time value, then set the value of the element to the empty string;
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if (!value.has_value()) {
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TRY(set_value(String {}));
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return {};
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}
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auto& date = static_cast<JS::Date&>(**value);
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if (!isfinite(date.date_value())) {
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TRY(set_value(String {}));
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return {};
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}
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// otherwise, run the algorithm to convert a Date object to a string, as defined for that state, on the new value, and set the value of the element to the resulting string.
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TRY(set_value(covert_date_to_string(date)));
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return {};
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}
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// https://html.spec.whatwg.org/multipage/input.html#dom-input-valueasnumber
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WebIDL::ExceptionOr<double> HTMLInputElement::value_as_number() const
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double HTMLInputElement::value_as_number() const
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{
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// On getting, if the valueAsNumber attribute does not apply, as defined for the input element's type attribute's current state, then return a Not-a-Number (NaN) value.
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if (!value_as_number_applies())
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@ -1537,6 +1637,20 @@ bool HTMLInputElement::change_event_applies() const
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}
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}
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// https://html.spec.whatwg.org/multipage/input.html#the-input-element:dom-input-valueasdate-3
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bool HTMLInputElement::value_as_date_applies() const
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{
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switch (type_state()) {
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case TypeAttributeState::Date:
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case TypeAttributeState::Month:
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case TypeAttributeState::Week:
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case TypeAttributeState::Time:
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return true;
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default:
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return false;
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}
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}
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// https://html.spec.whatwg.org/multipage/input.html#the-input-element:dom-input-valueasnumber-3
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bool HTMLInputElement::value_as_number_applies() const
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{
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