LibWeb: Parse the anchor-scope property

This commit is contained in:
Tim Ledbetter 2025-10-01 22:08:06 +01:00 committed by Sam Atkins
commit 03fa367d9d
Notes: github-actions[bot] 2025-10-07 10:31:24 +00:00
10 changed files with 125 additions and 2 deletions

View file

@ -444,6 +444,10 @@ Parser::ParseErrorOr<NonnullRefPtr<StyleValue const>> Parser::parse_css_value(Pr
if (auto parsed_value = parse_anchor_name_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::AnchorScope:
if (auto parsed_value = parse_anchor_scope_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::AspectRatio:
if (auto parsed_value = parse_aspect_ratio_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
@ -1216,6 +1220,24 @@ RefPtr<StyleValue const> Parser::parse_anchor_name_value(TokenStream<ComponentVa
});
}
// https://drafts.csswg.org/css-anchor-position/#anchor-scope
RefPtr<StyleValue const> Parser::parse_anchor_scope_value(TokenStream<ComponentValue>& tokens)
{
// none | all | <dashed-ident>#
if (auto none = parse_all_as_single_keyword_value(tokens, Keyword::None))
return none;
if (auto all = parse_all_as_single_keyword_value(tokens, Keyword::All))
return all;
return parse_comma_separated_value_list(tokens, [this](TokenStream<ComponentValue>& inner_tokens) -> RefPtr<StyleValue const> {
auto dashed_ident = parse_dashed_ident(inner_tokens);
if (!dashed_ident.has_value())
return {};
return CustomIdentStyleValue::create(*dashed_ident);
});
}
// https://www.w3.org/TR/css-sizing-4/#aspect-ratio
RefPtr<StyleValue const> Parser::parse_aspect_ratio_value(TokenStream<ComponentValue>& tokens)
{