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Bug 1364850: Move PseudoElement to be just another combinator in selectors. r=bholley

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MozReview-Commit-ID: 8OoOIodkKJ5
Signed-off-by: Emilio Cobos Álvarez <emilio@crisal.io>
This commit is contained in:
Emilio Cobos Álvarez 2017-05-15 23:52:09 +02:00
parent 8375319928
commit 522f8489d6
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GPG key ID: 056B727BB9C1027C
19 changed files with 675 additions and 541 deletions
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20
components/script/dom/element.rs
View file

@ -85,7 +85,7 @@ use net_traits::request::CorsSettings;
use ref_filter_map::ref_filter_map;
use script_layout_interface::message::ReflowQueryType;
use script_thread::Runnable;
use selectors::matching::{ElementSelectorFlags, MatchingContext, matches_selector_list};
use selectors::matching::{ElementSelectorFlags, MatchingContext, MatchingMode, matches_selector_list};
use selectors::matching::{HAS_EDGE_CHILD_SELECTOR, HAS_SLOW_SELECTOR, HAS_SLOW_SELECTOR_LATER_SIBLINGS};
use selectors::parser::{AttrSelector, NamespaceConstraint};
use servo_atoms::Atom;
@ -103,7 +103,7 @@ use style::properties::{Importance, PropertyDeclaration, PropertyDeclarationBloc
use style::properties::longhands::{self, background_image, border_spacing, font_family, font_size, overflow_x};
use style::restyle_hints::RESTYLE_SELF;
use style::rule_tree::CascadeLevel;
use style::selector_parser::{NonTSPseudoClass, RestyleDamage, SelectorImpl, SelectorParser};
use style::selector_parser::{NonTSPseudoClass, PseudoElement, RestyleDamage, SelectorImpl, SelectorParser};
use style::shared_lock::{SharedRwLock, Locked};
use style::sink::Push;
use style::stylearc::Arc;
@ -2046,7 +2046,8 @@ impl ElementMethods for Element {
match SelectorParser::parse_author_origin_no_namespace(&selectors) {
Err(()) => Err(Error::Syntax),
Ok(selectors) => {
Ok(matches_selector_list(&selectors.0, &Root::from_ref(self), None))
let mut ctx = MatchingContext::new(MatchingMode::Normal, None);
Ok(matches_selector_list(&selectors.0, &Root::from_ref(self), &mut ctx))
}
}
}
@ -2064,8 +2065,8 @@ impl ElementMethods for Element {
let root = self.upcast::<Node>();
for element in root.inclusive_ancestors() {
if let Some(element) = Root::downcast::<Element>(element) {
if matches_selector_list(&selectors.0, &element, None)
{
let mut ctx = MatchingContext::new(MatchingMode::Normal, None);
if matches_selector_list(&selectors.0, &element, &mut ctx) {
return Ok(Some(element));
}
}
@ -2374,6 +2375,15 @@ impl<'a> ::selectors::Element for Root<Element> {
self.upcast::<Node>().GetParentElement()
}
fn match_pseudo_element(&self,
_pseudo: &PseudoElement,
_context: &mut MatchingContext)
-> bool
{
false
}
fn first_child_element(&self) -> Option<Root<Element>> {
self.node.child_elements().next()
}

10
components/script/dom/node.rs
View file

@ -68,7 +68,7 @@ use script_layout_interface::{LayoutElementType, LayoutNodeType, TrustedNodeAddr
use script_layout_interface::message::Msg;
use script_traits::DocumentActivity;
use script_traits::UntrustedNodeAddress;
use selectors::matching::matches_selector_list;
use selectors::matching::{matches_selector_list, MatchingContext, MatchingMode};
use selectors::parser::SelectorList;
use servo_url::ServoUrl;
use std::borrow::ToOwned;
@ -341,11 +341,14 @@ impl<'a> Iterator for QuerySelectorIterator {
fn next(&mut self) -> Option<Root<Node>> {
let selectors = &self.selectors.0;
// TODO(cgaebel): Is it worth it to build a bloom filter here
// (instead of passing `None`)? Probably.
let mut ctx = MatchingContext::new(MatchingMode::Normal, None);
self.iterator.by_ref().filter_map(|node| {
if let Some(element) = Root::downcast(node) {
if matches_selector_list(selectors, &element, None) {
if matches_selector_list(selectors, &element, &mut ctx) {
return Some(Root::upcast(element));
}
}
@ -707,8 +710,9 @@ impl Node {
Err(()) => Err(Error::Syntax),
// Step 3.
Ok(selectors) => {
let mut ctx = MatchingContext::new(MatchingMode::Normal, None);
Ok(self.traverse_preorder().filter_map(Root::downcast).find(|element| {
matches_selector_list(&selectors.0, element, None)
matches_selector_list(&selectors.0, element, &mut ctx)
}))
}
}