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111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
/*
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* Copyright (c) 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 "CSSNumericValue.h"
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#include <LibWeb/Bindings/CSSNumericValuePrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/NumericType.h>
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#include <LibWeb/CSS/Serialize.h>
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namespace Web::CSS {
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GC_DEFINE_ALLOCATOR(CSSNumericValue);
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static Bindings::CSSNumericBaseType to_om_numeric_base_type(NumericType::BaseType source)
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{
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switch (source) {
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case NumericType::BaseType::Length:
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return Bindings::CSSNumericBaseType::Length;
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case NumericType::BaseType::Angle:
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return Bindings::CSSNumericBaseType::Angle;
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case NumericType::BaseType::Time:
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return Bindings::CSSNumericBaseType::Time;
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case NumericType::BaseType::Frequency:
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return Bindings::CSSNumericBaseType::Frequency;
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case NumericType::BaseType::Resolution:
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return Bindings::CSSNumericBaseType::Resolution;
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case NumericType::BaseType::Flex:
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return Bindings::CSSNumericBaseType::Flex;
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case NumericType::BaseType::Percent:
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return Bindings::CSSNumericBaseType::Percent;
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case NumericType::BaseType::__Count:
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VERIFY_NOT_REACHED();
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}
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VERIFY_NOT_REACHED();
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}
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CSSNumericValue::CSSNumericValue(JS::Realm& realm, NumericType type)
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: CSSStyleValue(realm)
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, m_type(move(type))
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{
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}
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void CSSNumericValue::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSNumericValue);
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Base::initialize(realm);
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#dom-cssnumericvalue-type
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CSSNumericType CSSNumericValue::type_for_bindings() const
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{
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// 1. Let result be a new CSSNumericType.
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CSSNumericType result {};
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// 2. For each baseType → power in the type of this,
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m_type.for_each_type_and_exponent([&result](NumericType::BaseType base_type, auto power) {
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// 1. If power is not 0, set result[baseType] to power.
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if (power == 0)
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return;
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switch (base_type) {
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case NumericType::BaseType::Length:
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result.length = power;
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break;
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case NumericType::BaseType::Angle:
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result.angle = power;
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break;
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case NumericType::BaseType::Time:
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result.time = power;
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break;
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case NumericType::BaseType::Frequency:
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result.frequency = power;
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break;
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case NumericType::BaseType::Resolution:
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result.resolution = power;
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break;
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case NumericType::BaseType::Flex:
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result.flex = power;
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break;
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case NumericType::BaseType::Percent:
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result.percent = power;
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break;
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case NumericType::BaseType::__Count:
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VERIFY_NOT_REACHED();
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}
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});
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// 3. If the percent hint of this is not null,
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if (auto percent_hint = m_type.percent_hint(); percent_hint.has_value()) {
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// 1. Set result[percentHint] to the percent hint of this.
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result.percent_hint = to_om_numeric_base_type(percent_hint.value());
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}
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// 4. Return result.
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return result;
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}
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// https://drafts.css-houdini.org/css-typed-om-1/#serialize-a-cssnumericvalue
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String CSSNumericValue::to_string(SerializationParams const&) const
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{
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// To serialize a CSSNumericValue this, given an optional minimum, a numeric value, and optional maximum, a numeric value:
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// FIXME: 1. If this is a CSSUnitValue, serialize a CSSUnitValue from this, passing minimum and maximum. Return the result.
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// FIXME: 2. Otherwise, serialize a CSSMathValue from this, and return the result.
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return {};
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}
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}
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