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/LengthStyleValue.cpp

@@ -0,0 +1,45 @@
+/*
+ * 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
+ */
+
+#include "LengthStyleValue.h"
+
+namespace Web::CSS {
+
+ValueComparingNonnullRefPtr<LengthStyleValue> LengthStyleValue::create(Length const& length)
+{
+    VERIFY(!length.is_auto());
+    if (length.is_px()) {
+        if (length.raw_value() == 0) {
+            static auto value = adopt_ref(*new (nothrow) LengthStyleValue(CSS::Length::make_px(0)));
+            return value;
+        }
+        if (length.raw_value() == 1) {
+            static auto value = adopt_ref(*new (nothrow) LengthStyleValue(CSS::Length::make_px(1)));
+            return value;
+        }
+    }
+    return adopt_ref(*new (nothrow) LengthStyleValue(length));
+}
+
+ValueComparingNonnullRefPtr<CSSStyleValue const> LengthStyleValue::absolutized(CSSPixelRect const& viewport_rect, Length::FontMetrics const& font_metrics, Length::FontMetrics const& root_font_metrics) const
+{
+    if (auto length = m_length.absolutize(viewport_rect, font_metrics, root_font_metrics); length.has_value())
+        return LengthStyleValue::create(length.release_value());
+    return *this;
+}
+
+bool LengthStyleValue::equals(CSSStyleValue const& other) const
+{
+    if (type() != other.type())
+        return false;
+    auto const& other_length = other.as_length();
+    return m_length == other_length.m_length;
+}
+
+}