Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibWeb/CSS/StyleValues/CounterDefinitionsStyleValue.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2024, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/FlyString.h>
+#include <LibWeb/CSS/CSSStyleValue.h>
+
+namespace Web::CSS {
+
+struct CounterDefinition {
+    FlyString name;
+    bool is_reversed;
+    ValueComparingRefPtr<CSSStyleValue const> value;
+};
+
+/**
+ * Holds a list of CounterDefinitions.
+ * Shared between counter-increment, counter-reset, and counter-set properties that have (almost) identical grammar.
+ */
+class CounterDefinitionsStyleValue : public StyleValueWithDefaultOperators<CounterDefinitionsStyleValue> {
+public:
+    static ValueComparingNonnullRefPtr<CounterDefinitionsStyleValue> create(Vector<CounterDefinition> counter_definitions)
+    {
+        return adopt_ref(*new (nothrow) CounterDefinitionsStyleValue(move(counter_definitions)));
+    }
+    virtual ~CounterDefinitionsStyleValue() override = default;
+
+    auto const& counter_definitions() const { return m_counter_definitions; }
+    virtual String to_string() const override;
+
+    bool properties_equal(CounterDefinitionsStyleValue const& other) const;
+
+private:
+    explicit CounterDefinitionsStyleValue(Vector<CounterDefinition> counter_definitions)
+        : StyleValueWithDefaultOperators(Type::CounterDefinitions)
+        , m_counter_definitions(move(counter_definitions))
+    {
+    }
+
+    Vector<CounterDefinition> m_counter_definitions;
+};
+
+}