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LibWeb: Wrap PseudoElements stored in SimpleSelector in a class

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No functional impact intended. This is just a more complicated way of
writing what we have now.

The goal of this commit is so that we are able to store the 'name' of a
pseudo element for use in serializing 'unknown -webkit-
pseudo-elements', see:

https://www.w3.org/TR/selectors-4/#compat

This is quite awkward, as in pretty much all cases just the selector
type enum is enough, but we will need to cache the name for serializing
these unknown selectors. I can't figure out any reason why we would need
this name anywhere else in the engine, so pretty much everywhere is
still just passing around this raw enum. But this change will allow us
to easily store the name inside of this new struct for when it is needed
for serialization, once those webkit unknown elements are supported by
our engine.
This commit is contained in:
Shannon Booth 2023-12-10 21:00:03 +13:00 • committed by Alexander Kalenik
parent 08920b7a34
commit 83758d4cdd
32 changed files with 196 additions and 174 deletions
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14
Userland/Libraries/LibWeb/CSS/Parser/SelectorParsing.cpp
View file

@ -354,7 +354,7 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
auto pseudo_name = name_token.token().ident();
// Note: We allow the "ignored" -webkit prefix here for -webkit-progress-bar/-webkit-progress-bar
if (auto pseudo_element = pseudo_element_from_string(pseudo_name); pseudo_element.has_value()) {
if (auto pseudo_element = Selector::PseudoElement::from_string(pseudo_name); pseudo_element.has_value()) {
return Selector::SimpleSelector {
.type = Selector::SimpleSelector::Type::PseudoElement,
.value = pseudo_element.release_value()
@ -395,12 +395,12 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
// Single-colon syntax allowed for ::after, ::before, ::first-letter and ::first-line for compatibility.
// https://www.w3.org/TR/selectors/#pseudo-element-syntax
if (auto pseudo_element = pseudo_element_from_string(pseudo_name); pseudo_element.has_value()) {
switch (pseudo_element.value()) {
case Selector::PseudoElement::After:
case Selector::PseudoElement::Before:
case Selector::PseudoElement::FirstLetter:
case Selector::PseudoElement::FirstLine:
if (auto pseudo_element = Selector::PseudoElement::from_string(pseudo_name); pseudo_element.has_value()) {
switch (pseudo_element.value().type()) {
case Selector::PseudoElement::Type::After:
case Selector::PseudoElement::Type::Before:
case Selector::PseudoElement::Type::FirstLetter:
case Selector::PseudoElement::Type::FirstLine:
return Selector::SimpleSelector {
.type = Selector::SimpleSelector::Type::PseudoElement,
.value = pseudo_element.value()