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LibWeb: Implement CSS exp()

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This commit is contained in:
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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26
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@ -3940,6 +3940,29 @@ ErrorOr<OwnPtr<CalculationNode>> Parser::parse_log_function(Function const& func
return TRY(LogCalculationNode::create(node_a.release_nonnull(), node_b.release_nonnull()));
}
ErrorOr<OwnPtr<CalculationNode>> Parser::parse_exp_function(Function const& function)
{
auto node_a = TRY(parse_a_calculation(function.values()));
if (!node_a) {
dbgln_if(CSS_PARSER_DEBUG, "exp() parameter must be valid calculation"sv);
return nullptr;
}
auto maybe_parameter_type = node_a->resolved_type();
if (!maybe_parameter_type.has_value()) {
dbgln_if(CSS_PARSER_DEBUG, "Failed to resolve type for exp() parameter"sv);
return nullptr;
}
auto resolved_type = maybe_parameter_type.value();
if (resolved_type != CalculatedStyleValue::ResolvedType::Number) {
dbgln_if(CSS_PARSER_DEBUG, "exp() parameter must be number"sv);
return nullptr;
}
return TRY(ExpCalculationNode::create(node_a.release_nonnull()));
}
ErrorOr<RefPtr<StyleValue>> Parser::parse_dynamic_value(ComponentValue const& component_value)
{
if (component_value.is_function()) {
@ -4017,6 +4040,9 @@ ErrorOr<OwnPtr<CalculationNode>> Parser::parse_a_calc_function_node(Function con
if (function.name().equals_ignoring_ascii_case("log"sv))
return TRY(parse_log_function(function));
if (function.name().equals_ignoring_ascii_case("exp"sv))
return TRY(parse_exp_function(function));
dbgln_if(CSS_PARSER_DEBUG, "We didn't implement `{}` function yet", function.name());
return nullptr;
}