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
2025-08-07 00:29:15 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/HTML/Parser/StackOfOpenElements.h
+++ b/Libraries/LibWeb/HTML/Parser/StackOfOpenElements.h
@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2020-2022, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/DOM/Element.h>
+#include <LibWeb/Forward.h>
+
+namespace Web::HTML {
+
+// https://html.spec.whatwg.org/multipage/parsing.html#stack-of-open-elements
+class StackOfOpenElements {
+public:
+    // Initially, the stack of open elements is empty.
+    // The stack grows downwards; the topmost node on the stack is the first one added to the stack,
+    // and the bottommost node of the stack is the most recently added node in the stack
+    // (notwithstanding when the stack is manipulated in a random access fashion as part of the handling for misnested tags).
+
+    StackOfOpenElements() = default;
+    ~StackOfOpenElements();
+
+    DOM::Element& first() { return *m_elements.first(); }
+    DOM::Element& last() { return *m_elements.last(); }
+
+    bool is_empty() const { return m_elements.is_empty(); }
+    void push(JS::NonnullGCPtr<DOM::Element> element) { m_elements.append(element); }
+    JS::NonnullGCPtr<DOM::Element> pop() { return *m_elements.take_last(); }
+    void remove(DOM::Element const& element);
+    void replace(DOM::Element const& to_remove, JS::NonnullGCPtr<DOM::Element> to_add);
+    void insert_immediately_below(JS::NonnullGCPtr<DOM::Element> element_to_add, DOM::Element const& target);
+
+    const DOM::Element& current_node() const { return *m_elements.last(); }
+    DOM::Element& current_node() { return *m_elements.last(); }
+
+    bool has_in_scope(FlyString const& tag_name) const;
+    bool has_in_button_scope(FlyString const& tag_name) const;
+    bool has_in_table_scope(FlyString const& tag_name) const;
+    bool has_in_list_item_scope(FlyString const& tag_name) const;
+    bool has_in_select_scope(FlyString const& tag_name) const;
+
+    bool has_in_scope(const DOM::Element&) const;
+
+    bool contains(const DOM::Element&) const;
+    [[nodiscard]] bool contains_template_element() const;
+
+    auto const& elements() const { return m_elements; }
+    auto& elements() { return m_elements; }
+
+    void pop_until_an_element_with_tag_name_has_been_popped(FlyString const& local_name);
+
+    JS::GCPtr<DOM::Element> topmost_special_node_below(DOM::Element const&);
+
+    struct LastElementResult {
+        JS::GCPtr<DOM::Element> element;
+        ssize_t index;
+    };
+    LastElementResult last_element_with_tag_name(FlyString const&);
+    JS::GCPtr<DOM::Element> element_immediately_above(DOM::Element const&);
+
+    void visit_edges(JS::Cell::Visitor&);
+
+private:
+    bool has_in_scope_impl(FlyString const& tag_name, Vector<FlyString> const&) const;
+    bool has_in_scope_impl(const DOM::Element& target_node, Vector<FlyString> const&) const;
+
+    Vector<JS::NonnullGCPtr<DOM::Element>> m_elements;
+};
+
+}