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LibWeb: Parse and resolve UnresolvedStyleValues
If a property is custom or contains a `var()` reference, it cannot be parsed into a proper StyleValue immediately, so we store it as an UnresolvedStyleValue until the property is compute. Then, at compute time, we resolve them by expanding out any `var()` references, and parsing the result. The implementation here is very naive, and involves copying the UnresolvedStyleValue's tree of StyleComponentValueRules while copying the contents of any `var()`s it finds along the way. This is quite an expensive operation to do every time that the style is computed.
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6 changed files with 138 additions and 6 deletions
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@ -57,7 +57,13 @@ StyleDeclarationRule::StyleDeclarationRule() { }
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StyleDeclarationRule::~StyleDeclarationRule() { }
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StyleFunctionRule::StyleFunctionRule(String name)
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: m_name(name)
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: m_name(move(name))
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{
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}
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StyleFunctionRule::StyleFunctionRule(String name, Vector<StyleComponentValueRule>&& values)
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: m_name(move(name))
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, m_values(move(values))
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{
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}
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StyleFunctionRule::~StyleFunctionRule() { }
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