ladybird/Libraries/LibWeb/CSS/StyleValues/TupleStyleValue.h
Callum Law ed2909674f LibWeb: Add computationally independent check for custom properties
Registered custom properties only accept "computationally independent"
values for their initial value
2026-03-26 01:11:39 +00:00

68 lines
2 KiB
C++

/*
* Copyright (c) 2026, Callum Law <callumlaw1709@outlook.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/StyleValues/StyleValue.h>
namespace Web::CSS {
class TupleStyleValue final : public StyleValueWithDefaultOperators<TupleStyleValue> {
public:
static ValueComparingNonnullRefPtr<TupleStyleValue const> create(StyleValueTuple values)
{
return adopt_ref(*new (nothrow) TupleStyleValue(move(values)));
}
virtual ~TupleStyleValue() override = default;
StyleValueTuple const& tuple() const { return m_tuple; }
virtual void serialize(StringBuilder&, SerializationMode) const override;
virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const&) const override;
// FIXME: Support tokenization and reification
bool properties_equal(TupleStyleValue const& other) const { return m_tuple == other.m_tuple; }
virtual bool is_computationally_independent() const override
{
return all_of(m_tuple, [](auto& value) { return value->is_computationally_independent(); });
}
struct Indices {
struct FontVariantEastAsian {
static constexpr size_t Variant = 0;
static constexpr size_t Width = 1;
static constexpr size_t Ruby = 2;
};
struct FontVariantLigatures {
static constexpr size_t Common = 0;
static constexpr size_t Discretionary = 1;
static constexpr size_t Historical = 2;
static constexpr size_t Contextual = 3;
};
struct FontVariantNumeric {
static constexpr size_t Figure = 0;
static constexpr size_t Spacing = 1;
static constexpr size_t Fraction = 2;
static constexpr size_t Ordinal = 3;
static constexpr size_t SlashedZero = 4;
};
};
private:
explicit TupleStyleValue(StyleValueTuple values)
: StyleValueWithDefaultOperators(Type::Tuple)
, m_tuple(move(values))
{
}
StyleValueTuple m_tuple;
};
}