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/StyleValueList.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ * Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
+ * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
+ * Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/CSSStyleValue.h>
+
+namespace Web::CSS {
+
+class StyleValueList final : public StyleValueWithDefaultOperators<StyleValueList> {
+public:
+    enum class Separator {
+        Space,
+        Comma,
+    };
+    static ValueComparingNonnullRefPtr<StyleValueList> create(StyleValueVector&& values, Separator separator)
+    {
+        return adopt_ref(*new (nothrow) StyleValueList(move(values), separator));
+    }
+
+    size_t size() const { return m_properties.values.size(); }
+    StyleValueVector const& values() const { return m_properties.values; }
+    ValueComparingNonnullRefPtr<CSSStyleValue const> value_at(size_t i, bool allow_loop) const
+    {
+        if (allow_loop)
+            return m_properties.values[i % size()];
+        return m_properties.values[i];
+    }
+
+    virtual String to_string() const override;
+
+    bool properties_equal(StyleValueList const& other) const { return m_properties == other.m_properties; }
+
+    Separator separator() const { return m_properties.separator; }
+
+private:
+    StyleValueList(StyleValueVector&& values, Separator separator)
+        : StyleValueWithDefaultOperators(Type::ValueList)
+        , m_properties { .separator = separator, .values = move(values) }
+    {
+    }
+
+    struct Properties {
+        Separator separator;
+        StyleValueVector values;
+        bool operator==(Properties const&) const;
+    } m_properties;
+};
+
+}