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LibWeb: Fix auto conversion to identifier

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Calling `is_identifier()` here was wrong, since it just means you can
get an Identifier from it. This meant that an `auto` LengthStyleValue
would return true, then it would get `static_cast` to the wrong class,
and return a garbage value.

Basically, I really need to tidy up the API for StyleValue, so it's
clear whether `is_foo()` means the object is a `FooStyleValue`, or it
can just return a `foo` value.
This commit is contained in:
Sam Atkins 2021-09-23 14:49:00 +01:00 • committed by Andreas Kling
parent b08094bccc
commit 85254ada94
1 changed files with 1 additions and 1 deletions
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2
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -1145,7 +1145,7 @@ private:
inline CSS::ValueID StyleValue::to_identifier() const
{
if (is_identifier())
if (type() == Type::Identifier)
return static_cast<const IdentifierStyleValue&>(*this).id();
if (is_auto())
return CSS::ValueID::Auto;