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LibWeb: Implement CSS sqrt()

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stelar7 2023-05-28 11:31:50 +02:00 • committed by Sam Atkins
parent 9aed8ec7f0
commit 0d30fb5a6e
4 changed files with 92 additions and 0 deletions
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24
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -3823,6 +3823,27 @@ ErrorOr<OwnPtr<CalculationNode>> Parser::parse_pow_function(Function const& func
return TRY(PowCalculationNode::create(node_a.release_nonnull(), node_b.release_nonnull()));
}
ErrorOr<OwnPtr<CalculationNode>> Parser::parse_sqrt_function(Function const& function)
{
auto node = TRY(parse_a_calculation(function.values()));
if (!node) {
dbgln_if(CSS_PARSER_DEBUG, "sqrt() parameter must be valid calculation"sv);
return nullptr;
}
auto maybe_parameter_type = node->resolved_type();
if (!maybe_parameter_type.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "Failed to resolve type for sqrt() parameter"sv);
return nullptr;
}
auto resolved_type = maybe_parameter_type.value();
if (resolved_type != CalculatedStyleValue::ResolvedType::Number)
return Error::from_string_view("sqrt() parameter must be number"sv);
return TRY(SqrtCalculationNode::create(node.release_nonnull()));
}
ErrorOr<RefPtr<StyleValue>> Parser::parse_dynamic_value(ComponentValue const& component_value)
{
if (component_value.is_function()) {
@ -3891,6 +3912,9 @@ ErrorOr<OwnPtr<CalculationNode>> Parser::parse_a_calc_function_node(Function con
if (function.name().equals_ignoring_ascii_case("pow"sv))
return TRY(parse_pow_function(function));
if (function.name().equals_ignoring_ascii_case("sqrt"sv))
return TRY(parse_sqrt_function(function));
dbgln_if(CSS_PARSER_DEBUG, "We didn't implement `{}` function yet", function.name());
return nullptr;
}