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Use Servo to implement GetStatesForPseudoClass function in InspectorUtils.

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This commit is contained in:
Xidorn Quan 2018-03-28 09:45:24 +11:00
parent 84513d43ba
commit bb15111dab
2 changed files with 32 additions and 16 deletions
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35
components/style/gecko/selector_parser.rs
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@ -133,6 +133,22 @@ impl Visit for NonTSPseudoClass {
impl NonTSPseudoClass {
/// Parses the name and returns a non-ts-pseudo-class if succeeds.
/// None otherwise. It doesn't check whether the pseudo-class is enabled
/// in a particular state.
pub fn parse_non_functional(name: &str) -> Option<Self> {
macro_rules! pseudo_class_parse {
(bare: [$(($css:expr, $name:ident, $gecko_type:tt, $state:tt, $flags:tt),)*],
string: [$(($s_css:expr, $s_name:ident, $s_gecko_type:tt, $s_state:tt, $s_flags:tt),)*]) => {
match_ignore_ascii_case! { &name,
$($css => Some(NonTSPseudoClass::$name),)*
_ => None,
}
}
}
apply_non_ts_list!(pseudo_class_parse)
}
/// Returns true if this pseudo-class has any of the given flags set.
fn has_any_flag(&self, flags: NonTSPseudoClassFlag) -> bool {
macro_rules! check_flag {
@ -373,23 +389,12 @@ impl<'a, 'i> ::selectors::Parser<'i> for SelectorParser<'a> {
location: SourceLocation,
name: CowRcStr<'i>,
) -> Result<NonTSPseudoClass, ParseError<'i>> {
macro_rules! pseudo_class_parse {
(bare: [$(($css:expr, $name:ident, $gecko_type:tt, $state:tt, $flags:tt),)*],
string: [$(($s_css:expr, $s_name:ident, $s_gecko_type:tt, $s_state:tt, $s_flags:tt),)*]) => {
match_ignore_ascii_case! { &name,
$($css => NonTSPseudoClass::$name,)*
_ => return Err(location.new_custom_error(
SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name.clone())
))
}
if let Some(pseudo_class) = NonTSPseudoClass::parse_non_functional(&name) {
if self.is_pseudo_class_enabled(&pseudo_class) {
return Ok(pseudo_class);
}
}
let pseudo_class = apply_non_ts_list!(pseudo_class_parse);
if self.is_pseudo_class_enabled(&pseudo_class) {
Ok(pseudo_class)
} else {
Err(location.new_custom_error(SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name)))
}
Err(location.new_custom_error(SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name)))
}
fn parse_non_ts_functional_pseudo_class<'t>(