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
2025-08-11 02:29:21 +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/DOM/LiveNodeList.cpp
+++ b/Libraries/LibWeb/DOM/LiveNodeList.cpp
@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2021, Luke Wilde <lukew@serenityos.org>
+ * Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibJS/Heap/Heap.h>
+#include <LibJS/Runtime/Error.h>
+#include <LibWeb/DOM/LiveNodeList.h>
+#include <LibWeb/DOM/Node.h>
+
+namespace Web::DOM {
+
+JS_DEFINE_ALLOCATOR(LiveNodeList);
+
+JS::NonnullGCPtr<NodeList> LiveNodeList::create(JS::Realm& realm, Node const& root, Scope scope, Function<bool(Node const&)> filter)
+{
+    return realm.heap().allocate<LiveNodeList>(realm, realm, root, scope, move(filter));
+}
+
+LiveNodeList::LiveNodeList(JS::Realm& realm, Node const& root, Scope scope, Function<bool(Node const&)> filter)
+    : NodeList(realm)
+    , m_root(root)
+    , m_filter(move(filter))
+    , m_scope(scope)
+{
+}
+
+LiveNodeList::~LiveNodeList() = default;
+
+void LiveNodeList::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_root);
+}
+
+JS::MarkedVector<Node*> LiveNodeList::collection() const
+{
+    JS::MarkedVector<Node*> nodes(heap());
+    if (m_scope == Scope::Descendants) {
+        m_root->for_each_in_subtree([&](auto& node) {
+            if (m_filter(node))
+                nodes.append(const_cast<Node*>(&node));
+            return TraversalDecision::Continue;
+        });
+    } else {
+        m_root->for_each_child([&](auto& node) {
+            if (m_filter(node))
+                nodes.append(const_cast<Node*>(&node));
+            return IterationDecision::Continue;
+        });
+    }
+    return nodes;
+}
+
+Node* LiveNodeList::first_matching(Function<bool(Node const&)> const& filter) const
+{
+    Node* matched_node = nullptr;
+    if (m_scope == Scope::Descendants) {
+        m_root->for_each_in_subtree([&](auto& node) {
+            if (m_filter(node) && filter(node)) {
+                matched_node = const_cast<Node*>(&node);
+                return TraversalDecision::Break;
+            }
+            return TraversalDecision::Continue;
+        });
+    } else {
+        m_root->for_each_child([&](auto& node) {
+            if (m_filter(node) && filter(node)) {
+                matched_node = const_cast<Node*>(&node);
+                return IterationDecision::Break;
+            }
+            return IterationDecision::Continue;
+        });
+    }
+    return matched_node;
+}
+
+// https://dom.spec.whatwg.org/#dom-nodelist-length
+u32 LiveNodeList::length() const
+{
+    return collection().size();
+}
+
+// https://dom.spec.whatwg.org/#dom-nodelist-item
+Node const* LiveNodeList::item(u32 index) const
+{
+    // The item(index) method must return the indexth node in the collection. If there is no indexth node in the collection, then the method must return null.
+    auto nodes = collection();
+    if (index >= nodes.size())
+        return nullptr;
+    return nodes[index];
+}
+
+}