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47 lines
1.9 KiB
C++
47 lines
1.9 KiB
C++
/*
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* Copyright (c) 2023-2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "IntegerStyleValue.h"
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#include <LibWeb/CSS/CSSUnitValue.h>
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#include <LibWeb/CSS/Parser/ComponentValue.h>
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namespace Web::CSS {
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String IntegerStyleValue::to_string(SerializationMode) const
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{
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return String::number(m_value);
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}
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Vector<Parser::ComponentValue> IntegerStyleValue::tokenize() const
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{
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return { Parser::Token::create_number(Number { Number::Type::Integer, static_cast<double>(m_value) }) };
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#reify-a-numeric-value
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GC::Ref<CSSStyleValue> IntegerStyleValue::reify(JS::Realm& realm, String const& associated_property) const
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{
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// NB: Step 1 doesn't apply here.
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// 2. If num is the unitless value 0 and num is a <dimension>, return a new CSSUnitValue with its value internal
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// slot set to 0, and its unit internal slot set to "px".
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if (m_value == 0) {
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// NB: Determine whether the associated property expects 0 to be a <length>.
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// FIXME: Do this for registered custom properties.
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if (auto property_id = property_id_from_string(associated_property); property_id.has_value()
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&& property_id != PropertyID::Custom
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&& property_accepts_type(*property_id, ValueType::Length)) {
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return CSSUnitValue::create(realm, 0, "px"_fly_string);
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}
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}
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// 3. Return a new CSSUnitValue with its value internal slot set to the numeric value of num, and its unit internal
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// slot set to "number" if num is a <number>, "percent" if num is a <percentage>, and num’s unit if num is a
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// <dimension>.
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// If the value being reified is a computed value, the unit used must be the appropriate canonical unit for the
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// value’s type, with the numeric value scaled accordingly.
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return CSSUnitValue::create(realm, m_value, "number"_fly_string);
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}
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}
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