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LibWeb: Implement CSS exp()
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4 changed files with 94 additions and 0 deletions
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@ -1478,6 +1478,55 @@ ErrorOr<void> LogCalculationNode::dump(StringBuilder& builder, int indent) const
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return {};
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}
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ErrorOr<NonnullOwnPtr<ExpCalculationNode>> ExpCalculationNode::create(NonnullOwnPtr<CalculationNode> value)
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{
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return adopt_nonnull_own_or_enomem(new (nothrow) ExpCalculationNode(move(value)));
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}
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ExpCalculationNode::ExpCalculationNode(NonnullOwnPtr<CalculationNode> value)
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: CalculationNode(Type::Exp)
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, m_value(move(value))
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{
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}
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ExpCalculationNode::~ExpCalculationNode() = default;
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ErrorOr<String> ExpCalculationNode::to_string() const
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{
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StringBuilder builder;
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builder.append("exp("sv);
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builder.append(TRY(m_value->to_string()));
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builder.append(")"sv);
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return builder.to_string();
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}
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Optional<CalculatedStyleValue::ResolvedType> ExpCalculationNode::resolved_type() const
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{
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return CalculatedStyleValue::ResolvedType::Number;
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}
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CalculatedStyleValue::CalculationResult ExpCalculationNode::resolve(Optional<Length::ResolutionContext const&> context, CalculatedStyleValue::PercentageBasis const& percentage_basis) const
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{
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auto node_a = m_value->resolve(context, percentage_basis);
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auto node_a_value = resolve_value(node_a.value(), context);
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auto result = exp(node_a_value);
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return { Number(Number::Type::Number, result) };
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}
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ErrorOr<void> ExpCalculationNode::for_each_child_node(Function<ErrorOr<void>(NonnullOwnPtr<CalculationNode>&)> const& callback)
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{
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TRY(m_value->for_each_child_node(callback));
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TRY(callback(m_value));
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return {};
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}
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ErrorOr<void> ExpCalculationNode::dump(StringBuilder& builder, int indent) const
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{
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TRY(builder.try_appendff("{: >{}}EXP: {}\n", "", indent, TRY(to_string())));
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return {};
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}
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void CalculatedStyleValue::CalculationResult::add(CalculationResult const& other, Optional<Length::ResolutionContext const&> context, PercentageBasis const& percentage_basis)
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{
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add_or_subtract_internal(SumOperation::Add, other, context, percentage_basis);
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