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LibWeb/CSS: Add alternative src() syntax for URLs

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url() has some limitations because of allowing unquoted URLs as its
contents. For example, it can't use `var()`. To get around this, there's
an alternative `src()` function which behaves the same as `url()` except
that it is parsed as a regular function, which makes `var()` and friends
work properly.

There's no WPT test for this as far as I can tell, so I added our own.
This commit is contained in:
Sam Atkins 2025-06-09 17:20:04 +01:00 • committed by Andreas Kling
commit 00f76ccbf4
Notes: github-actions[bot] 2025-06-11 14:27:18 +00:00
5 changed files with 63 additions and 8 deletions
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8
Libraries/LibWeb/CSS/URL.h
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@ -44,7 +44,12 @@ private:
// https://drafts.csswg.org/css-values-4/#urls
class URL {
public:
URL(String url, Vector<RequestURLModifier> = {});
enum class Type : u8 {
Url,
Src,
};
URL(String url, Type = Type::Url, Vector<RequestURLModifier> = {});
String const& url() const { return m_url; }
Vector<RequestURLModifier> const& request_url_modifiers() const { return m_request_url_modifiers; }
@ -53,6 +58,7 @@ public:
bool operator==(URL const&) const;
private:
Type m_type;
String m_url;
Vector<RequestURLModifier> m_request_url_modifiers;
};