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LibWeb: Implement counter-[increment,reset,set] properties

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These control the state of CSS counters.

Parsing code for `reversed(counter-name)` is implemented, but disabled
for now until we are able to resolve values for those.
This commit is contained in:
Sam Atkins 2024-07-24 15:47:11 +01:00
commit 017d6c3314
Notes: github-actions[bot] 2024-07-26 10:05:39 +00:00
15 changed files with 315 additions and 5 deletions
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46
Userland/Libraries/LibWeb/CSS/StyleValues/CounterDefinitionsStyleValue.cpp Normal file
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/*
* 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() 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());
}
return stb.to_string_without_validation();
}
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;
}
}