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ce79bc793c58ce10bb2bba46cac801e0a237f9a9
ladybird/Libraries/LibWeb/CSS/Parser
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Sam Atkins ce79bc793c LibWeb/CSS: Protect against the billion-laughs attack 
The attack unfortunately still slows us down, but this prevents us from
OOMing. Currently, we don't save the value of `var(--foo)` after
computing it once, so in this example, we end up computing `--prop1` 4
times to compute `--prop3`, but then we start again from scratch when
computing `--prop4`:

```css
  --prop1: lol;
  --prop2: var(--prop1) var(--prop1);
  --prop3: var(--prop2) var(--prop2);
  --prop4: var(--prop3) var(--prop3);
}
```

This should be solvable later if we update the computed values as we go.
2025-07-09 16:44:20 +01:00
..
ArbitrarySubstitutionFunctions.cpp
LibWeb/CSS: Protect against the billion-laughs attack
2025-07-09 16:44:20 +01:00
ArbitrarySubstitutionFunctions.h
LibWeb/CSS: Reimplement var()/attr() as arbitrary substitution functions
2025-07-09 16:44:20 +01:00
ComponentValue.cpp
LibWeb/CSS: Include guaranteed-invalid value in ComponentValue
2025-07-09 16:44:20 +01:00
ComponentValue.h
LibWeb/CSS: Include guaranteed-invalid value in ComponentValue
2025-07-09 16:44:20 +01:00
DescriptorParsing.cpp
LibWeb/CSS: Don't remove whitespace early when parsing descriptor values
2025-07-03 08:22:30 +01:00
Dimension.h
LibWeb/CSS: Add Parser::Dimension::to_string()
2024-12-18 12:21:22 +00:00
GradientParsing.cpp
LibWeb: Make storage of CSS::StyleValues const-correct
2025-04-16 10:41:44 -06:00
Helpers.cpp
LibWeb/CSS: Make @page selector parsing accessible
2025-05-16 16:42:10 +01:00
MediaParsing.cpp
LibWeb/CSS: Treat block at-rules with no block as invalid
2025-06-25 09:02:45 +02:00
Parser.cpp
LibWeb: Treat a CSS declaration with a "--" property name as invalid
2025-06-25 17:09:29 +01:00
Parser.h
LibWeb/CSS: Reimplement var()/attr() as arbitrary substitution functions
2025-07-09 16:44:20 +01:00
PropertyParsing.cpp
LibWeb: Produce computed values for custom properties
2025-07-09 16:44:20 +01:00
RuleContext.cpp
LibWeb/CSS: Add basic implementation of CSSMarginRule
2025-05-16 11:01:39 +01:00
RuleContext.h
LibWeb/CSS: Add basic implementation of CSSMarginRule
2025-05-16 11:01:39 +01:00
RuleParsing.cpp
LibWeb/CSS: Treat block at-rules with no block as invalid
2025-06-25 09:02:45 +02:00
SelectorParsing.cpp
LibWeb: Treat CSS selectors containing undeclared namespaces as invalid
2025-06-24 12:51:12 +01:00
Token.cpp
LibWeb/CSS: Construct all CSS Tokens in a consistent way
2025-07-09 15:04:57 +01:00
Token.h
LibWeb/CSS: Construct all CSS Tokens in a consistent way
2025-07-09 15:04:57 +01:00
Tokenizer.cpp
LibWeb/CSS: Stop converting at-rule names to lowercase
2025-07-09 15:04:57 +01:00
Tokenizer.h
LibWeb/CSS: Construct all CSS Tokens in a consistent way
2025-07-09 15:04:57 +01:00
TokenStream.h
LibWeb/CSS: When dumping CSS tokens, point at the next one
2025-05-23 19:39:23 +01:00
Types.cpp
LibWeb/CSS: Move functions for detecting var()/attr() into Token types
2025-03-28 09:15:02 +00:00
Types.h
LibWeb/CSS: Include guaranteed-invalid value in ComponentValue
2025-07-09 16:44:20 +01:00
ValueParsing.cpp
LibWeb/CSS: Reimplement var()/attr() as arbitrary substitution functions
2025-07-09 16:44:20 +01:00