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LibWeb: Parse and compute CSS quotes property

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This commit is contained in:
Sam Atkins 2023-09-12 11:34:26 +01:00 • committed by Andrew Kaster
parent 1bc081398e
commit dc7a52957e
7 changed files with 90 additions and 0 deletions
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33
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -4586,6 +4586,35 @@ RefPtr<StyleValue> Parser::parse_place_self_value(Vector<ComponentValue> const&
return PlaceItemsStyleValue::create(*maybe_align_self_value, *maybe_justify_self_value);
}
RefPtr<StyleValue> Parser::parse_quotes_value(Vector<ComponentValue> const& component_values)
{
// https://www.w3.org/TR/css-content-3/#quotes-property
// auto | none | [ <string> <string> ]+
if (component_values.size() == 1) {
auto identifier = parse_identifier_value(component_values.first());
if (identifier && property_accepts_identifier(PropertyID::Quotes, identifier->to_identifier()))
return identifier;
return nullptr;
}
// Parse an even number of <string> values.
if (component_values.size() % 2 != 0)
return nullptr;
auto tokens = TokenStream { component_values };
StyleValueVector string_values;
while (tokens.has_next_token()) {
auto maybe_string = parse_string_value(tokens.next_token());
if (!maybe_string)
return nullptr;
string_values.append(maybe_string.release_nonnull());
}
return StyleValueList::create(move(string_values), StyleValueList::Separator::Space);
}
RefPtr<StyleValue> Parser::parse_text_decoration_value(Vector<ComponentValue> const& component_values)
{
RefPtr<StyleValue> decoration_line;
@ -5869,6 +5898,10 @@ Parser::ParseErrorOr<NonnullRefPtr<StyleValue>> Parser::parse_css_value(Property
if (auto parsed_value = parse_place_self_value(component_values))
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::Quotes:
if (auto parsed_value = parse_quotes_value(component_values))
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::TextDecoration:
if (auto parsed_value = parse_text_decoration_value(component_values))
return parsed_value.release_nonnull();