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LibWeb: Use new GeneralEnclosed class in Supports

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Sam Atkins 2021-11-24 14:20:59 +00:00 • committed by Andreas Kling
parent e760263728
commit 99e18f40fb
3 changed files with 11 additions and 55 deletions
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40
Userland/Libraries/LibWeb/CSS/Supports.cpp
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@ -19,42 +19,20 @@ Supports::Supports(NonnullOwnPtr<Condition>&& condition)
m_matches = result == MatchResult::True;
}
Supports::MatchResult Supports::Condition::evaluate() const
MatchResult Supports::Condition::evaluate() const
{
switch (type) {
case Type::Not:
return negate(children.first().evaluate());
case Type::And: {
size_t true_results = 0;
for (auto& child : children) {
auto child_match = child.evaluate();
if (child_match == MatchResult::False)
return MatchResult::False;
if (child_match == MatchResult::True)
true_results++;
}
if (true_results == children.size())
return MatchResult::True;
return MatchResult::Unknown;
}
case Type::Or: {
size_t false_results = 0;
for (auto& child : children) {
auto child_match = child.evaluate();
if (child_match == MatchResult::True)
return MatchResult::True;
if (child_match == MatchResult::False)
false_results++;
}
if (false_results == children.size())
return MatchResult::False;
return MatchResult::Unknown;
}
case Type::And:
return evaluate_and(children, [](auto& child) { return child.evaluate(); });
case Type::Or:
return evaluate_or(children, [](auto& child) { return child.evaluate(); });
}
VERIFY_NOT_REACHED();
}
Supports::MatchResult Supports::InParens::evaluate() const
MatchResult Supports::InParens::evaluate() const
{
return value.visit(
[&](NonnullOwnPtr<Condition>& condition) {
@ -63,12 +41,12 @@ Supports::MatchResult Supports::InParens::evaluate() const
[&](Feature& feature) {
return feature.evaluate();
},
[&](GeneralEnclosed&) {
return MatchResult::Unknown;
[&](GeneralEnclosed& general_enclosed) {
return general_enclosed.evaluate();
});
}
Supports::MatchResult Supports::Feature::evaluate() const
MatchResult Supports::Feature::evaluate() const
{
auto style_property = Parser({}, "").convert_to_style_property(declaration);
if (style_property.has_value())