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LibWeb: Extract CalculationNode::constant_type_from_string() function

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This is needed by some upcoming generated code. Renamed "PI" member to
"Pi" while I was at it.
This commit is contained in:
Sam Atkins
2023-07-08 16:55:06 +01:00
committed by Andreas Kling
parent e4a2bd7a44
commit 136dc7a1c3
3 changed files with 27 additions and 25 deletions
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25
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
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@@ -8932,28 +8932,9 @@ ErrorOr<OwnPtr<CalculationNode>> Parser::parse_a_calculation(Vector<ComponentVal
}
if (value.is(Token::Type::Ident)) {
if (value.token().ident().equals_ignoring_ascii_case("e"sv)) {
TRY(values.try_append({ TRY(ConstantCalculationNode::create(CalculationNode::ConstantType::E)) }));
continue;
}
if (value.token().ident().equals_ignoring_ascii_case("pi"sv)) {
TRY(values.try_append({ TRY(ConstantCalculationNode::create(CalculationNode::ConstantType::PI)) }));
continue;
}
if (value.token().ident().equals_ignoring_ascii_case("infinity"sv)) {
TRY(values.try_append({ TRY(ConstantCalculationNode::create(CalculationNode::ConstantType::Infinity)) }));
continue;
}
if (value.token().ident().equals_ignoring_ascii_case("-infinity"sv)) {
TRY(values.try_append({ TRY(ConstantCalculationNode::create(CalculationNode::ConstantType::MinusInfinity)) }));
continue;
}
if (value.token().ident().equals_ignoring_ascii_case("NaN"sv)) {
TRY(values.try_append({ TRY(ConstantCalculationNode::create(CalculationNode::ConstantType::NaN)) }));
auto maybe_constant = CalculationNode::constant_type_from_string(value.token().ident());
if (maybe_constant.has_value()) {
TRY(values.try_append({ TRY(ConstantCalculationNode::create(maybe_constant.value())) }));
continue;
}
}