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e1777f6e79
We achieve this by keeping track of all checked pseudo class selectors in the SelectorEngine code. We also give StyleComputer per-pseudo-class rule caches.
45 lines
955 B
C++
45 lines
955 B
C++
/*
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* Copyright (c) 2025, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibWeb/CSS/PseudoClass.h>
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namespace Web::CSS {
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class PseudoClassBitmap {
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public:
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PseudoClassBitmap() = default;
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~PseudoClassBitmap() = default;
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void set(PseudoClass pseudo_class, bool bit)
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{
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size_t const index = to_underlying(pseudo_class);
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if (bit)
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m_bits |= 1LLU << index;
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else
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m_bits &= ~(1LLU << index);
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}
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bool get(PseudoClass pseudo_class) const
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{
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size_t const index = to_underlying(pseudo_class);
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return (m_bits & (1LLU << index)) != 0;
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}
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void operator|=(PseudoClassBitmap const& other)
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{
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m_bits |= other.m_bits;
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}
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private:
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u64 m_bits { 0 };
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};
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// NOTE: If this changes, we'll have to tweak PseudoClassBitmap a little bit :)
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static_assert(to_underlying(PseudoClass::__Count) <= 64);
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}
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