ladybird/Libraries/LibWeb/CSS/StyleValues/CounterStyleStyleValue.cpp
Callum Law ca54cc6c79 LibWeb: Resolve <counter> functions using registered counter styles
Previously we only supported a subset of the predefined counter styles,
we now respect counter styles defined by `@counter-style` rules when
resolving the value of `counter()` and `counters()` functions
2026-02-23 11:21:09 +00:00

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/*
* Copyright (c) 2026, Callum Law <callumlaw1709@outlook.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "CounterStyleStyleValue.h"
#include <LibWeb/CSS/CounterStyle.h>
#include <LibWeb/CSS/Enums.h>
namespace Web::CSS {
void CounterStyleStyleValue::serialize(StringBuilder& builder, SerializationMode) const
{
builder.append(m_name);
}
Optional<CounterStyleNameKeyword> CounterStyleStyleValue::to_counter_style_name_keyword() const
{
return keyword_from_string(m_name)
.map([](auto keyword) { return keyword_to_counter_style_name_keyword(keyword); })
.value_or(OptionalNone {});
}
Optional<CounterStyle const&> CounterStyleStyleValue::resolve_counter_style(HashMap<FlyString, CounterStyle> const& registered_counter_styles) const
{
// FIXME: Support symbols() function for anonymous counter style
return registered_counter_styles.get(m_name);
}
}