mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-25 09:30:01 +00:00
51 lines
2.1 KiB
C++
51 lines
2.1 KiB
C++
/*
|
||
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
|
||
* Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
|
||
* Copyright (c) 2021-2025, Sam Atkins <sam@ladybird.org>
|
||
* Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#include "NumberStyleValue.h"
|
||
#include <LibWeb/CSS/CSSUnitValue.h>
|
||
#include <LibWeb/CSS/Parser/ComponentValue.h>
|
||
#include <LibWeb/CSS/Serialize.h>
|
||
|
||
namespace Web::CSS {
|
||
|
||
String NumberStyleValue::to_string(SerializationMode) const
|
||
{
|
||
return serialize_a_number(m_value);
|
||
}
|
||
|
||
Vector<Parser::ComponentValue> NumberStyleValue::tokenize() const
|
||
{
|
||
return { Parser::Token::create_number(Number { Number::Type::Number, m_value }) };
|
||
}
|
||
|
||
// https://drafts.css-houdini.org/css-typed-om-1/#reify-a-numeric-value
|
||
GC::Ref<CSSStyleValue> NumberStyleValue::reify(JS::Realm& realm, FlyString const& associated_property) const
|
||
{
|
||
// NB: Step 1 doesn't apply here.
|
||
// 2. If num is the unitless value 0 and num is a <dimension>, return a new CSSUnitValue with its value internal
|
||
// slot set to 0, and its unit internal slot set to "px".
|
||
if (m_value == 0) {
|
||
// NB: Determine whether the associated property expects 0 to be a <length>.
|
||
// FIXME: Do this for registered custom properties.
|
||
if (auto property_id = property_id_from_string(associated_property); property_id.has_value()
|
||
&& property_id != PropertyID::Custom
|
||
&& property_accepts_type(*property_id, ValueType::Length)) {
|
||
return CSSUnitValue::create(realm, 0, "px"_fly_string);
|
||
}
|
||
}
|
||
|
||
// 3. Return a new CSSUnitValue with its value internal slot set to the numeric value of num, and its unit internal
|
||
// slot set to "number" if num is a <number>, "percent" if num is a <percentage>, and num’s unit if num is a
|
||
// <dimension>.
|
||
// If the value being reified is a computed value, the unit used must be the appropriate canonical unit for the
|
||
// value’s type, with the numeric value scaled accordingly.
|
||
return CSSUnitValue::create(realm, m_value, "number"_fly_string);
|
||
}
|
||
|
||
}
|