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LibWeb: Make rendered_text_fragment return a DocumentFragment

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This closer matches the spec and is needed in the implementation of the
innerText setter.
This commit is contained in:
Shannon Booth 2024-11-11 05:32:49 +13:00 committed by Alexander Kalenik
parent dd11d48a1d
commit a1a740bb3e
Notes: github-actions[bot] 2024-11-10 20:32:26 +00:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/LadybirdBrowser/ladybird/commit/a1a740bb3ee
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2272
2 changed files with 13 additions and 8 deletions
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19
Libraries/LibWeb/HTML/HTMLElement.cpp
View file

@ -145,9 +145,10 @@ WebIDL::ExceptionOr<void> HTMLElement::set_content_editable(StringView content_e
void HTMLElement::set_inner_text(StringView text)
{
// 1. Let fragment be the rendered text fragment for value given element's node document.
auto fragment = rendered_text_fragment(text);
// 2. Replace all with fragment within element.
remove_all_children();
append_rendered_text_fragment(text);
replace_all(fragment);
set_needs_style_update(true);
}
@ -160,10 +161,11 @@ WebIDL::ExceptionOr<void> HTMLElement::set_outer_text(String)
}
// https://html.spec.whatwg.org/multipage/dom.html#rendered-text-fragment
void HTMLElement::append_rendered_text_fragment(StringView input)
JS::NonnullGCPtr<DOM::DocumentFragment> HTMLElement::rendered_text_fragment(StringView input)
{
// FIXME: 1. Let fragment be a new DocumentFragment whose node document is document.
// Instead of creating a DocumentFragment the nodes are appended directly.
// 1. Let fragment be a new DocumentFragment whose node document is document.
// Instead of creating a DocumentFragment the nodes are appended directly.
auto fragment = heap().allocate<DOM::DocumentFragment>(realm(), document());
// 2. Let position be a position variable for input, initially pointing at the start of input.
// 3. Let text be the empty string.
@ -177,7 +179,7 @@ void HTMLElement::append_rendered_text_fragment(StringView input)
// 2. If text is not the empty string, then append a new Text node whose data is text and node document is document to fragment.
if (!text.is_empty()) {
MUST(append_child(document().create_text_node(MUST(String::from_utf8(text)))));
MUST(fragment->append_child(document().create_text_node(MUST(String::from_utf8(text)))));
}
// 3. While position is not past the end of input, and the code point at position is either U+000A LF or U+000D CR:
@ -193,9 +195,12 @@ void HTMLElement::append_rendered_text_fragment(StringView input)
// 3. Append the result of creating an element given document, br, and the HTML namespace to fragment.
auto br_element = DOM::create_element(document(), HTML::TagNames::br, Namespace::HTML).release_value();
MUST(append_child(br_element));
MUST(fragment->append_child(br_element));
}
}
// 5. Return fragment.
return fragment;
}
struct RequiredLineBreakCount {

2
Libraries/LibWeb/HTML/HTMLElement.h
View file

@ -97,7 +97,7 @@ private:
virtual void did_lose_focus() override;
[[nodiscard]] String get_the_text_steps();
void append_rendered_text_fragment(StringView input);
JS::NonnullGCPtr<DOM::DocumentFragment> rendered_text_fragment(StringView input);
JS::GCPtr<DOM::NodeList> m_labels;