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LibWeb: Parse the -webkit-progress-bar/value pseudo elements

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These will be needed for styling progress bars, sadly this can
only be done with these non-standard selectors. These are, hovever,
in use on real sites such as https://rpcs3.net/compatibility.
This commit is contained in:
MacDue 2022-07-22 15:58:52 +01:00 • committed by Andreas Kling
parent 218e6d2f5e
commit b5febe538c
4 changed files with 21 additions and 3 deletions
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6
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -458,10 +458,12 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
}
auto pseudo_name = name_token.token().ident();
if (has_ignored_vendor_prefix(pseudo_name))
auto pseudo_element = pseudo_element_from_string(pseudo_name);
// Note: We allow the "ignored" -webkit prefix here for -webkit-progress-bar/-webkit-progress-bar
if (!pseudo_element.has_value() && has_ignored_vendor_prefix(pseudo_name))
return ParseError::IncludesIgnoredVendorPrefix;
auto pseudo_element = pseudo_element_from_string(pseudo_name);
if (!pseudo_element.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "Unrecognized pseudo-element: '::{}'", pseudo_name);
return ParseError::SyntaxError;