mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-12-08 06:09:58 +00:00
831e471444
Adds support for `sibling-index()` and `sibling-count()` when parsing
`<number>` and `<integer>`. This is achieved by a new
`TreeCountingFunctionStyleValue` class which is converted within
`absolutized` to `NumberStyleValue` and `IntegerStyleValue` respectively
There are still a few kinks to work out in order to support these
everywhere, namely:
- There are some `StyleValue`s which aren't absolutized (i.e. those
which are stored within another `StyleValue` without an
`absolutize()` method.
- We don't have a way to represent this new `StyleValue` within
`{Number,Integer}OrCalculated`. This would be fixed if we were to
instead just use the `StyleValue` classes until style computation at
which time they would be absolutized into their respective
primitives (double, i64, etc) bypassing the need for *OrCalculated
entirely.
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) 2025, Callum Law <callumlaw1709@outlook.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <LibWeb/CSS/StyleValues/StyleValue.h>
|
|
|
|
namespace Web::CSS {
|
|
|
|
class TreeCountingFunctionStyleValue final : public StyleValue {
|
|
public:
|
|
enum class TreeCountingFunction : u8 {
|
|
SiblingCount,
|
|
SiblingIndex
|
|
};
|
|
|
|
enum class ComputedType : u8 {
|
|
Number,
|
|
Integer
|
|
};
|
|
|
|
static ValueComparingNonnullRefPtr<TreeCountingFunctionStyleValue const> create(TreeCountingFunction function, ComputedType computed_type)
|
|
{
|
|
return adopt_ref(*new (nothrow) TreeCountingFunctionStyleValue(function, computed_type));
|
|
}
|
|
virtual ~TreeCountingFunctionStyleValue() override = default;
|
|
|
|
virtual String to_string(SerializationMode) const override;
|
|
|
|
size_t resolve(TreeCountingFunctionResolutionContext const&) const;
|
|
|
|
virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const&) const override;
|
|
|
|
virtual bool equals(StyleValue const& other) const override;
|
|
|
|
private:
|
|
TreeCountingFunctionStyleValue(TreeCountingFunction function, ComputedType computed_type)
|
|
: StyleValue(Type::TreeCountingFunction)
|
|
, m_function(function)
|
|
, m_computed_type(computed_type)
|
|
{
|
|
}
|
|
|
|
TreeCountingFunction m_function;
|
|
ComputedType m_computed_type;
|
|
};
|
|
|
|
}
|