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LibWeb: Handle more MathML/HTML integration points in the parser

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This commit is contained in:
Andreas Kling 2024-11-03 19:03:36 +01:00 • committed by Andreas Kling
commit 0a47d8cb08
Notes: github-actions[bot] 2024-11-03 19:33:33 +00:00
9 changed files with 55 additions and 42 deletions
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36
Userland/Libraries/LibWeb/HTML/Parser/HTMLParser.cpp
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@ -114,22 +114,33 @@ static Vector<StringView> const s_quirks_public_ids = {
};
// https://html.spec.whatwg.org/multipage/parsing.html#mathml-text-integration-point
static bool is_mathml_text_integration_point(DOM::Element const&)
static bool is_mathml_text_integration_point(DOM::Element const& element)
{
// FIXME: Implement.
return false;
// A node is a MathML text integration point if it is one of the following elements:
// - A MathML mi element
// - A MathML mo element
// - A MathML mn element
// - A MathML ms element
// - A MathML mtext element
return element.tag_name().is_one_of(MathML::TagNames::mi, MathML::TagNames::mo, MathML::TagNames::mn, MathML::TagNames::ms, MathML::TagNames::mtext);
}
// https://html.spec.whatwg.org/multipage/parsing.html#html-integration-point
static bool is_html_integration_point(DOM::Element const& element)
{
// A node is an HTML integration point if it is one of the following elements:
// FIXME: A MathML annotation-xml element whose start tag token had an attribute with the name "encoding" whose value was an ASCII case-insensitive match for the string "text/html"
// FIXME: A MathML annotation-xml element whose start tag token had an attribute with the name "encoding" whose value was an ASCII case-insensitive match for the string "application/xhtml+xml"
// - A MathML annotation-xml element whose start tag token had an attribute with the name "encoding" whose value was an ASCII case-insensitive match for the string "text/html"
// - A MathML annotation-xml element whose start tag token had an attribute with the name "encoding" whose value was an ASCII case-insensitive match for the string "application/xhtml+xml"
if (element.namespace_uri() == Namespace::MathML
&& element.tag_name() == MathML::TagNames::annotation_xml) {
auto encoding = element.attribute("encoding"_fly_string);
if (encoding.has_value() && (encoding->equals_ignoring_ascii_case("text/html"sv) || encoding->equals_ignoring_ascii_case("application/xhtml+xml"sv)))
return true;
}
// An SVG foreignObject element
// An SVG desc element
// An SVG title element
// - An SVG foreignObject element
// - An SVG desc element
// - An SVG title element
if (element.tag_name().is_one_of(SVG::TagNames::foreignObject, SVG::TagNames::desc, SVG::TagNames::title))
return true;
@ -191,13 +202,16 @@ void HTMLParser::run(HTMLTokenizer::StopAtInsertionPoint stop_at_insertion_point
// As each token is emitted from the tokenizer, the user agent must follow the appropriate steps from the following list, known as the tree construction dispatcher:
if (m_stack_of_open_elements.is_empty()
|| adjusted_current_node().namespace_uri() == Namespace::HTML
|| (is_mathml_text_integration_point(adjusted_current_node()) && token.is_start_tag() && token.tag_name() != MathML::TagNames::mglyph && token.tag_name() != MathML::TagNames::malignmark)
|| (is_mathml_text_integration_point(adjusted_current_node()) && token.is_character())
|| (adjusted_current_node().namespace_uri() == Namespace::MathML && adjusted_current_node().tag_name() == MathML::TagNames::annotation_xml && token.is_start_tag() && token.tag_name() == SVG::TagNames::svg)
|| (is_html_integration_point(adjusted_current_node()) && (token.is_start_tag() || token.is_character()))
|| token.is_end_of_file()) {
// -> If the stack of open elements is empty
// -> If the adjusted current node is an element in the HTML namespace
// FIXME: -> If the adjusted current node is a MathML text integration point and the token is a start tag whose tag name is neither "mglyph" nor "malignmark"
// FIXME: -> If the adjusted current node is a MathML text integration point and the token is a character token
// FIXME: -> If the adjusted current node is a MathML annotation-xml element and the token is a start tag whose tag name is "svg"
// -> If the adjusted current node is a MathML text integration point and the token is a start tag whose tag name is neither "mglyph" nor "malignmark"
// -> If the adjusted current node is a MathML text integration point and the token is a character token
// -> If the adjusted current node is a MathML annotation-xml element and the token is a start tag whose tag name is "svg"
// -> If the adjusted current node is an HTML integration point and the token is a start tag
// -> If the adjusted current node is an HTML integration point and the token is a character token
// -> If the token is an end-of-file token