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46 lines
1.6 KiB
C++
46 lines
1.6 KiB
C++
/*
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* Copyright (c) 2022, Luke Wilde <lukew@serenityos.org>
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* Copyright (c) 2023, Shannon Booth <shannon@serenityos.org>
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* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Utf16String.h>
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#include <AK/Vector.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/DocumentFragment.h>
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#include <LibWeb/DOM/NodeOperations.h>
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#include <LibWeb/DOM/Text.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#convert-nodes-into-a-node
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WebIDL::ExceptionOr<GC::Ref<Node>> convert_nodes_to_single_node(Vector<Variant<GC::Root<Node>, Utf16String>> const& nodes, Document& document)
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{
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// 1. Replace each string of nodes with a new Text node whose data is the string and node document is document.
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auto potentially_convert_string_to_text_node = [&document](Variant<GC::Root<Node>, Utf16String> const& node) -> GC::Ref<Node> {
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if (node.has<GC::Root<Node>>())
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return *node.get<GC::Root<Node>>();
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return document.realm().create<Text>(document, node.get<Utf16String>());
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};
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// 2. If nodes’s size is 1, then return nodes[0].
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if (nodes.size() == 1)
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return potentially_convert_string_to_text_node(nodes.first());
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// 3. Let fragment be a new DocumentFragment node whose node document is document.
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auto fragment = document.realm().create<DocumentFragment>(document);
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// 4. For each node of nodes: append node to fragment.
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for (auto const& unconverted_node : nodes) {
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auto node = potentially_convert_string_to_text_node(unconverted_node);
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TRY(fragment->append_child(node));
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}
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// 5. Return fragment.
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return fragment;
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}
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}
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