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/CSSSupportsRule.cpp

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/CSSSupportsRulePrototype.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/CSS/CSSSupportsRule.h>
+#include <LibWeb/CSS/Parser/Parser.h>
+
+namespace Web::CSS {
+
+JS_DEFINE_ALLOCATOR(CSSSupportsRule);
+
+JS::NonnullGCPtr<CSSSupportsRule> CSSSupportsRule::create(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)
+{
+    return realm.heap().allocate<CSSSupportsRule>(realm, realm, move(supports), rules);
+}
+
+CSSSupportsRule::CSSSupportsRule(JS::Realm& realm, NonnullRefPtr<Supports>&& supports, CSSRuleList& rules)
+    : CSSConditionRule(realm, rules, Type::Supports)
+    , m_supports(move(supports))
+{
+}
+
+void CSSSupportsRule::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(CSSSupportsRule);
+}
+
+String CSSSupportsRule::condition_text() const
+{
+    return m_supports->to_string();
+}
+
+// https://www.w3.org/TR/cssom-1/#serialize-a-css-rule
+String CSSSupportsRule::serialized() const
+{
+    // Note: The spec doesn't cover this yet, so I'm roughly following the spec for the @media rule.
+    // It should be pretty close!
+
+    StringBuilder builder;
+
+    builder.append("@supports "sv);
+    builder.append(condition_text());
+    builder.append(" {\n"sv);
+    for (size_t i = 0; i < css_rules().length(); i++) {
+        auto rule = css_rules().item(i);
+        if (i != 0)
+            builder.append("\n"sv);
+        builder.append("  "sv);
+        builder.append(rule->css_text());
+    }
+    builder.append("\n}"sv);
+
+    return MUST(builder.to_string());
+}
+
+}