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/LibXML/DOM/Node.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/ByteString.h>
+#include <AK/GenericLexer.h>
+#include <AK/HashMap.h>
+#include <AK/Variant.h>
+#include <AK/Vector.h>
+#include <LibXML/FundamentalTypes.h>
+
+namespace XML {
+
+struct Attribute {
+    Name name;
+    ByteString value;
+};
+
+struct Node {
+    struct Text {
+        StringBuilder builder;
+    };
+    struct Comment {
+        ByteString text;
+    };
+    struct Element {
+        Name name;
+        HashMap<Name, ByteString> attributes;
+        Vector<NonnullOwnPtr<Node>> children;
+    };
+
+    bool operator==(Node const&) const;
+
+    LineTrackingLexer::Position offset;
+    Variant<Text, Comment, Element> content;
+    Node* parent { nullptr };
+
+    bool is_text() const { return content.has<Text>(); }
+    Text const& as_text() const { return content.get<Text>(); }
+
+    bool is_comment() const { return content.has<Comment>(); }
+    Comment const& as_comment() const { return content.get<Comment>(); }
+
+    bool is_element() const { return content.has<Element>(); }
+    Element const& as_element() const { return content.get<Element>(); }
+};
+}