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LibWeb: Implement CSS exp()

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stelar7 2023-05-28 11:58:30 +02:00 • committed by Sam Atkins
parent 6dde49404a
commit 5727e276ea
4 changed files with 94 additions and 0 deletions
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49
Userland/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.cpp
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@ -1478,6 +1478,55 @@ ErrorOr<void> LogCalculationNode::dump(StringBuilder& builder, int indent) const
return {};
}
ErrorOr<NonnullOwnPtr<ExpCalculationNode>> ExpCalculationNode::create(NonnullOwnPtr<CalculationNode> value)
{
return adopt_nonnull_own_or_enomem(new (nothrow) ExpCalculationNode(move(value)));
}
ExpCalculationNode::ExpCalculationNode(NonnullOwnPtr<CalculationNode> value)
: CalculationNode(Type::Exp)
, m_value(move(value))
{
}
ExpCalculationNode::~ExpCalculationNode() = default;
ErrorOr<String> ExpCalculationNode::to_string() const
{
StringBuilder builder;
builder.append("exp("sv);
builder.append(TRY(m_value->to_string()));
builder.append(")"sv);
return builder.to_string();
}
Optional<CalculatedStyleValue::ResolvedType> ExpCalculationNode::resolved_type() const
{
return CalculatedStyleValue::ResolvedType::Number;
}
CalculatedStyleValue::CalculationResult ExpCalculationNode::resolve(Optional<Length::ResolutionContext const&> context, CalculatedStyleValue::PercentageBasis const& percentage_basis) const
{
auto node_a = m_value->resolve(context, percentage_basis);
auto node_a_value = resolve_value(node_a.value(), context);
auto result = exp(node_a_value);
return { Number(Number::Type::Number, result) };
}
ErrorOr<void> ExpCalculationNode::for_each_child_node(Function<ErrorOr<void>(NonnullOwnPtr<CalculationNode>&)> const& callback)
{
TRY(m_value->for_each_child_node(callback));
TRY(callback(m_value));
return {};
}
ErrorOr<void> ExpCalculationNode::dump(StringBuilder& builder, int indent) const
{
TRY(builder.try_appendff("{: >{}}EXP: {}\n", "", indent, TRY(to_string())));
return {};
}
void CalculatedStyleValue::CalculationResult::add(CalculationResult const& other, Optional<Length::ResolutionContext const&> context, PercentageBasis const& percentage_basis)
{
add_or_subtract_internal(SumOperation::Add, other, context, percentage_basis);