576a431408
This is `counter(name, style?)` or `counters(name, link, style?)`. The difference being, `counter()` matches only the nearest level (eg, "1"), and `counters()` combines all the levels in the tree (eg, "3.4.1").
55 lines
2 KiB
C++
55 lines
2 KiB
C++
/*
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* Copyright (c) 2024, 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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#pragma once
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#include <AK/FlyString.h>
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#include <LibWeb/CSS/StyleValue.h>
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namespace Web::CSS {
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// https://drafts.csswg.org/css-lists-3/#counter-functions
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class CounterStyleValue : public StyleValueWithDefaultOperators<CounterStyleValue> {
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public:
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enum class CounterFunction {
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Counter,
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Counters,
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};
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static ValueComparingNonnullRefPtr<CounterStyleValue> create_counter(FlyString counter_name, ValueComparingNonnullRefPtr<StyleValue const> counter_style)
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{
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return adopt_ref(*new (nothrow) CounterStyleValue(CounterFunction::Counter, move(counter_name), move(counter_style), {}));
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}
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static ValueComparingNonnullRefPtr<CounterStyleValue> create_counters(FlyString counter_name, FlyString join_string, ValueComparingNonnullRefPtr<StyleValue const> counter_style)
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{
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return adopt_ref(*new (nothrow) CounterStyleValue(CounterFunction::Counters, move(counter_name), move(counter_style), move(join_string)));
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}
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virtual ~CounterStyleValue() override;
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CounterFunction function_type() const { return m_properties.function; }
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auto counter_name() const { return m_properties.counter_name; }
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auto counter_style() const { return m_properties.counter_style; }
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auto join_string() const { return m_properties.join_string; }
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String resolve(DOM::Element&) const;
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virtual String to_string() const override;
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bool properties_equal(CounterStyleValue const& other) const;
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private:
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explicit CounterStyleValue(CounterFunction, FlyString counter_name, ValueComparingNonnullRefPtr<StyleValue const> counter_style, FlyString join_string);
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struct Properties {
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CounterFunction function;
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FlyString counter_name;
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ValueComparingNonnullRefPtr<StyleValue const> counter_style;
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FlyString join_string;
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bool operator==(Properties const&) const = default;
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} m_properties;
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};
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}
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