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/CustomIdentStyleValue.h

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2023, 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 {
+
+// https://www.w3.org/TR/css-values-4/#custom-idents
+class CustomIdentStyleValue final : public StyleValueWithDefaultOperators<CustomIdentStyleValue> {
+public:
+    static ValueComparingNonnullRefPtr<CustomIdentStyleValue> create(FlyString custom_ident)
+    {
+        return adopt_ref(*new (nothrow) CustomIdentStyleValue(move(custom_ident)));
+    }
+    virtual ~CustomIdentStyleValue() override = default;
+
+    FlyString const& custom_ident() const { return m_custom_ident; }
+
+    virtual String to_string() const override { return m_custom_ident.to_string(); }
+
+    bool properties_equal(CustomIdentStyleValue const& other) const { return m_custom_ident == other.m_custom_ident; }
+
+private:
+    explicit CustomIdentStyleValue(FlyString custom_ident)
+        : StyleValueWithDefaultOperators(Type::CustomIdent)
+        , m_custom_ident(move(custom_ident))
+    {
+    }
+
+    FlyString m_custom_ident;
+};
+
+}