ladybird/Libraries/LibWeb/CSS/StyleValues/CounterDefinitionsStyleValue.cpp
Callum Law 2c7b56511b LibWeb: Add absolutized method to CounterDefinitionsStyleValue
This avoids a crash when a counter value relies on relative units
2025-10-07 10:50:01 +01:00

66 lines
2 KiB
C++

/*
* Copyright (c) 2024, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "CounterDefinitionsStyleValue.h"
#include <LibWeb/CSS/Serialize.h>
namespace Web::CSS {
String CounterDefinitionsStyleValue::to_string(SerializationMode mode) const
{
StringBuilder stb;
for (auto const& counter_definition : m_counter_definitions) {
if (!stb.is_empty())
stb.append(' ');
if (counter_definition.is_reversed)
stb.appendff("reversed({})", counter_definition.name);
else
stb.append(counter_definition.name);
if (counter_definition.value)
stb.appendff(" {}", counter_definition.value->to_string(mode));
}
return stb.to_string_without_validation();
}
ValueComparingNonnullRefPtr<StyleValue const> CounterDefinitionsStyleValue::absolutized(ComputationContext const& computation_context) const
{
Vector<CounterDefinition> computed_definitions;
for (auto specified_definition : m_counter_definitions) {
CounterDefinition computed_definition {
.name = specified_definition.name,
.is_reversed = specified_definition.is_reversed,
.value = nullptr
};
if (specified_definition.value)
computed_definition.value = specified_definition.value->absolutized(computation_context);
computed_definitions.append(computed_definition);
}
return CounterDefinitionsStyleValue::create(computed_definitions);
}
bool CounterDefinitionsStyleValue::properties_equal(CounterDefinitionsStyleValue const& other) const
{
if (m_counter_definitions.size() != other.counter_definitions().size())
return false;
for (auto i = 0u; i < m_counter_definitions.size(); i++) {
auto const& ours = m_counter_definitions[i];
auto const& theirs = other.counter_definitions()[i];
if (ours.name != theirs.name || ours.is_reversed != theirs.is_reversed || ours.value != theirs.value)
return false;
}
return true;
}
}