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LibWeb: Add basic support for the attr() CSS function

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CSS Values and Units Module Level 5 defines attr as:
  `attr(<q-name> <attr-type>?, <declaration-value>?)`

This implementation does not contain support for the type argument,
effectively supporting `attr(<q-name>, <declaration-value>?)`
This commit is contained in:
Simon Wanner 2022-03-29 23:33:50 +02:00 • committed by Andreas Kling
parent ba6ba67fa0
commit 6437f5da36
4 changed files with 56 additions and 19 deletions
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12
Userland/Libraries/LibWeb/CSS/StyleValue.h
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@ -1625,27 +1625,27 @@ private:
class UnresolvedStyleValue final : public StyleValue {
public:
static NonnullRefPtr<UnresolvedStyleValue> create(Vector<StyleComponentValueRule>&& values, bool contains_var)
static NonnullRefPtr<UnresolvedStyleValue> create(Vector<StyleComponentValueRule>&& values, bool contains_var_or_attr)
{
return adopt_ref(*new UnresolvedStyleValue(move(values), contains_var));
return adopt_ref(*new UnresolvedStyleValue(move(values), contains_var_or_attr));
}
virtual ~UnresolvedStyleValue() override = default;
virtual String to_string() const override;
Vector<StyleComponentValueRule> const& values() const { return m_values; }
bool contains_var() const { return m_contains_var; }
bool contains_var_or_attr() const { return m_contains_var_or_attr; }
private:
UnresolvedStyleValue(Vector<StyleComponentValueRule>&& values, bool contains_var)
UnresolvedStyleValue(Vector<StyleComponentValueRule>&& values, bool contains_var_or_attr)
: StyleValue(Type::Unresolved)
, m_values(move(values))
, m_contains_var(contains_var)
, m_contains_var_or_attr(contains_var_or_attr)
{
}
Vector<StyleComponentValueRule> m_values;
bool m_contains_var { false };
bool m_contains_var_or_attr { false };
};
class UnsetStyleValue final : public StyleValue {