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LibWeb: Parse @counter-style pad descriptor

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This commit is contained in:
Callum Law
2026-01-31 22:04:08 +13:00
committed by Sam Atkins
parent afca221d47
commit 9b376240f9
Notes: github-actions[bot] 2026-02-06 10:37:44 +00:00 
Author: https://github.com/Calme1709
Commit: https://github.com/LadybirdBrowser/ladybird/commit/9b376240f9e
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7708
Reviewed-by: https://github.com/AtkinsSJ ✅
11 changed files with 103 additions and 16 deletions
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42
Libraries/LibWeb/CSS/Parser/ValueParsing.cpp
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@@ -2733,6 +2733,48 @@ RefPtr<StyleValue const> Parser::parse_symbol_value(TokenStream<ComponentValue>&
return nullptr;
}
RefPtr<StyleValue const> Parser::parse_nonnegative_integer_symbol_pair_value(TokenStream<ComponentValue>& tokens)
{
auto transaction = tokens.begin_transaction();
tokens.discard_whitespace();
RefPtr<StyleValue const> integer;
RefPtr<StyleValue const> symbol;
while (tokens.has_next_token()) {
if (auto integer_value = parse_integer_value(tokens)) {
if (integer)
return nullptr;
// FIXME: Do we need to support CalculatedStyleValue here?
if (!integer_value->is_integer() || integer_value->as_integer().integer() < 0)
return nullptr;
integer = integer_value;
tokens.discard_whitespace();
continue;
}
if (auto symbol_value = parse_symbol_value(tokens)) {
if (symbol)
return nullptr;
symbol = symbol_value;
tokens.discard_whitespace();
continue;
}
break;
}
if (!integer || !symbol)
return nullptr;
transaction.commit();
return StyleValueList::create({ integer.release_nonnull(), symbol.release_nonnull() }, StyleValueList::Separator::Space);
}
RefPtr<StyleValue const> Parser::parse_ratio_value(TokenStream<ComponentValue>& tokens)
{
if (auto ratio = parse_ratio(tokens); ratio.has_value())