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https://github.com/servo/servo.git
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Merge pull request #3501 from zwarich/telement-lifetimes
Remove the 'static lifetime parameters from TElement methods Reviewed-by: jdm
This commit is contained in:
commit
c9c8d63727
6 changed files with 52 additions and 46 deletions
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@ -1077,9 +1077,9 @@ impl<'ln> NodeUtils for ThreadSafeLayoutNode<'ln> {
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}
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/// Methods for interacting with HTMLObjectElement nodes
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trait ObjectElement {
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trait ObjectElement<'a> {
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/// Returns None if this node is not matching attributes.
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fn get_type_and_data(&self) -> (Option<&'static str>, Option<&'static str>);
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fn get_type_and_data(&self) -> (Option<&'a str>, Option<&'a str>);
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/// Returns true if this node has object data that is correct uri.
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fn has_object_data(&self) -> bool;
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@ -1088,8 +1088,8 @@ trait ObjectElement {
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fn get_object_data(&self) -> Option<Url>;
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}
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impl<'ln> ObjectElement for ThreadSafeLayoutNode<'ln> {
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fn get_type_and_data(&self) -> (Option<&'static str>, Option<&'static str>) {
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impl<'ln> ObjectElement<'ln> for ThreadSafeLayoutNode<'ln> {
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fn get_type_and_data(&self) -> (Option<&'ln str>, Option<&'ln str>) {
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let elem = self.as_element();
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(elem.get_attr(&namespace::Null, "type"), elem.get_attr(&namespace::Null, "data"))
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}
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@ -242,7 +242,7 @@ impl<'ln> LayoutNode<'ln> {
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}
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}
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impl<'ln> TNode<LayoutElement<'ln>> for LayoutNode<'ln> {
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impl<'ln> TNode<'ln, LayoutElement<'ln>> for LayoutNode<'ln> {
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fn parent_node(&self) -> Option<LayoutNode<'ln>> {
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unsafe {
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self.node.parent_node_ref().map(|node| self.new_with_this_lifetime(&node))
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@ -389,7 +389,7 @@ impl<'le> LayoutElement<'le> {
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}
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}
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impl<'le> TElement for LayoutElement<'le> {
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impl<'le> TElement<'le> for LayoutElement<'le> {
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#[inline]
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fn get_local_name<'a>(&'a self) -> &'a Atom {
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&self.element.local_name
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@ -401,11 +401,11 @@ impl<'le> TElement for LayoutElement<'le> {
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}
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#[inline]
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fn get_attr(&self, namespace: &Namespace, name: &str) -> Option<&'static str> {
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fn get_attr(&self, namespace: &Namespace, name: &str) -> Option<&'le str> {
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unsafe { self.element.get_attr_val_for_layout(namespace, name) }
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}
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fn get_link(&self) -> Option<&'static str> {
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fn get_link(&self) -> Option<&'le str> {
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// FIXME: This is HTML only.
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match self.element.node.type_id_for_layout() {
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// http://www.whatwg.org/specs/web-apps/current-work/multipage/selectors.html#
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@ -611,7 +611,7 @@ impl<'ln> ThreadSafeLayoutNode<'ln> {
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/// If this is an element, accesses the element data. Fails if this is not an element node.
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#[inline]
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pub fn as_element(&self) -> ThreadSafeLayoutElement {
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pub fn as_element(&self) -> ThreadSafeLayoutElement<'ln> {
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unsafe {
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assert!(self.get_jsmanaged().is_element_for_layout());
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let elem: JS<Element> = self.get_jsmanaged().transmute_copy();
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@ -791,7 +791,7 @@ pub struct ThreadSafeLayoutElement<'le> {
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impl<'le> ThreadSafeLayoutElement<'le> {
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#[inline]
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pub fn get_attr(&self, namespace: &Namespace, name: &str) -> Option<&'static str> {
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pub fn get_attr(&self, namespace: &Namespace, name: &str) -> Option<&'le str> {
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unsafe { self.element.get_attr_val_for_layout(namespace, name) }
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}
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}
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@ -170,7 +170,7 @@ impl Element {
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}
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pub trait RawLayoutElementHelpers {
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unsafe fn get_attr_val_for_layout(&self, namespace: &Namespace, name: &str) -> Option<&'static str>;
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unsafe fn get_attr_val_for_layout<'a>(&'a self, namespace: &Namespace, name: &str) -> Option<&'a str>;
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unsafe fn get_attr_atom_for_layout(&self, namespace: &Namespace, name: &str) -> Option<Atom>;
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unsafe fn has_class_for_layout(&self, name: &str) -> bool;
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}
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@ -178,8 +178,8 @@ pub trait RawLayoutElementHelpers {
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impl RawLayoutElementHelpers for Element {
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#[inline]
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#[allow(unrooted_must_root)]
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unsafe fn get_attr_val_for_layout(&self, namespace: &Namespace, name: &str)
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-> Option<&'static str> {
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unsafe fn get_attr_val_for_layout<'a>(&'a self, namespace: &Namespace, name: &str)
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-> Option<&'a str> {
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// cast to point to T in RefCell<T> directly
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let attrs: *const Vec<JS<Attr>> = mem::transmute(&self.attrs);
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(*attrs).iter().find(|attr: & &JS<Attr>| {
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@ -948,13 +948,13 @@ impl<'a> VirtualMethods for JSRef<'a, Element> {
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}
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}
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impl<'a> style::TElement for JSRef<'a, Element> {
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fn get_attr(&self, namespace: &Namespace, attr: &str) -> Option<&'static str> {
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impl<'a> style::TElement<'a> for JSRef<'a, Element> {
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fn get_attr(&self, namespace: &Namespace, attr: &str) -> Option<&'a str> {
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self.get_attribute(namespace.clone(), attr).root().map(|attr| {
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unsafe { mem::transmute(attr.deref().value().as_slice()) }
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})
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}
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fn get_link(&self) -> Option<&'static str> {
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fn get_link(&self) -> Option<&'a str> {
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// FIXME: This is HTML only.
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let node: JSRef<Node> = NodeCast::from_ref(*self);
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match node.type_id() {
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@ -966,10 +966,10 @@ impl<'a> style::TElement for JSRef<'a, Element> {
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_ => None,
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}
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}
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fn get_local_name<'a>(&'a self) -> &'a Atom {
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fn get_local_name<'b>(&'b self) -> &'b Atom {
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(self as &ElementHelpers).get_local_name()
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}
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fn get_namespace<'a>(&'a self) -> &'a Namespace {
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fn get_namespace<'b>(&'b self) -> &'b Namespace {
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(self as &ElementHelpers).get_namespace()
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}
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fn get_hover_state(&self) -> bool {
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@ -2033,7 +2033,7 @@ impl<'a> VirtualMethods for JSRef<'a, Node> {
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}
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}
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impl<'a> style::TNode<JSRef<'a, Element>> for JSRef<'a, Node> {
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impl<'a> style::TNode<'a, JSRef<'a, Element>> for JSRef<'a, Node> {
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fn parent_node(&self) -> Option<JSRef<'a, Node>> {
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(self as &NodeHelpers).parent_node().map(|node| *node.root())
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}
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@ -10,7 +10,7 @@ use servo_util::atom::Atom;
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use servo_util::namespace::Namespace;
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pub trait TNode<E:TElement> : Clone {
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pub trait TNode<'a, E: TElement<'a>> : Clone {
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fn parent_node(&self) -> Option<Self>;
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/// Name is prefixed to avoid a conflict with TLayoutNode.
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fn tnode_first_child(&self) -> Option<Self>;
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@ -23,11 +23,11 @@ pub trait TNode<E:TElement> : Clone {
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fn is_html_element_in_html_document(&self) -> bool;
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}
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pub trait TElement {
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fn get_attr(&self, namespace: &Namespace, attr: &str) -> Option<&'static str>;
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fn get_link(&self) -> Option<&'static str>;
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fn get_local_name<'a>(&'a self) -> &'a Atom;
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fn get_namespace<'a>(&'a self) -> &'a Namespace;
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pub trait TElement<'a> {
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fn get_attr(&self, namespace: &Namespace, attr: &str) -> Option<&'a str>;
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fn get_link(&self) -> Option<&'a str>;
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fn get_local_name<'b>(&'b self) -> &'b Atom;
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fn get_namespace<'b>(&'b self) -> &'b Namespace;
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fn get_hover_state(&self) -> bool;
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fn get_id(&self) -> Option<Atom>;
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fn get_disabled_state(&self) -> bool;
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@ -79,8 +79,9 @@ impl SelectorMap {
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///
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/// Extract matching rules as per node's ID, classes, tag name, etc..
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/// Sort the Rules at the end to maintain cascading order.
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fn get_all_matching_rules<E:TElement,
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N:TNode<E>,
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fn get_all_matching_rules<'a,
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E:TElement<'a>,
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N:TNode<'a, E>,
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V:VecLike<DeclarationBlock>>(
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&self,
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node: &N,
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@ -147,8 +148,9 @@ impl SelectorMap {
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}
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}
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fn get_matching_rules_from_hash<E:TElement,
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N:TNode<E>,
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fn get_matching_rules_from_hash<'a,
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E:TElement<'a>,
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N:TNode<'a, E>,
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V:VecLike<DeclarationBlock>>(
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node: &N,
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parent_bf: &Option<BloomFilter>,
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@ -165,8 +167,9 @@ impl SelectorMap {
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}
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/// Adds rules in `rules` that match `node` to the `matching_rules` list.
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fn get_matching_rules<E:TElement,
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N:TNode<E>,
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fn get_matching_rules<'a,
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E:TElement<'a>,
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N:TNode<'a, E>,
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V:VecLike<DeclarationBlock>>(
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node: &N,
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parent_bf: &Option<BloomFilter>,
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@ -344,8 +347,9 @@ impl Stylist {
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/// The returned boolean indicates whether the style is *shareable*; that is, whether the
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/// matched selectors are simple enough to allow the matching logic to be reduced to the logic
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/// in `css::matching::PrivateMatchMethods::candidate_element_allows_for_style_sharing`.
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pub fn push_applicable_declarations<E:TElement,
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N:TNode<E>,
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pub fn push_applicable_declarations<'a,
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E:TElement<'a>,
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N:TNode<'a, E>,
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V:VecLike<DeclarationBlock>>(
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&self,
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element: &N,
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@ -467,7 +471,7 @@ impl DeclarationBlock {
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}
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}
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pub fn matches<E:TElement, N:TNode<E>>(selector_list: &SelectorList, element: &N, parent_bf: &Option<BloomFilter>) -> bool {
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pub fn matches<'a, E:TElement<'a>, N:TNode<'a, E>>(selector_list: &SelectorList, element: &N, parent_bf: &Option<BloomFilter>) -> bool {
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get_selector_list_selectors(selector_list).iter().any(|selector|
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selector.pseudo_element.is_none() &&
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matches_compound_selector(&*selector.compound_selectors, element, parent_bf, &mut false))
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@ -479,8 +483,9 @@ pub fn matches<E:TElement, N:TNode<E>>(selector_list: &SelectorList, element: &N
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/// `shareable` to false unless you are willing to update the style sharing logic. Otherwise things
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/// will almost certainly break as nodes will start mistakenly sharing styles. (See the code in
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/// `main/css/matching.rs`.)
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fn matches_compound_selector<E:TElement,
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N:TNode<E>>(
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fn matches_compound_selector<'a,
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E:TElement<'a>,
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N:TNode<'a, E>>(
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selector: &CompoundSelector,
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element: &N,
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parent_bf: &Option<BloomFilter>,
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@ -544,7 +549,7 @@ enum SelectorMatchingResult {
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/// Quickly figures out whether or not the compound selector is worth doing more
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/// work on. If the simple selectors don't match, or there's a child selector
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/// that does not appear in the bloom parent bloom filter, we can exit early.
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fn can_fast_reject<E: TElement, N: TNode<E>>(
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fn can_fast_reject<'a, E: TElement<'a>, N: TNode<'a, E>>(
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mut selector: &CompoundSelector,
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element: &N,
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parent_bf: &Option<BloomFilter>,
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@ -605,8 +610,9 @@ fn can_fast_reject<E: TElement, N: TNode<E>>(
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return None;
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}
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fn matches_compound_selector_internal<E:TElement,
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N:TNode<E>>(
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fn matches_compound_selector_internal<'a,
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E:TElement<'a>,
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N:TNode<'a, E>>(
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selector: &CompoundSelector,
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element: &N,
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parent_bf: &Option<BloomFilter>,
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@ -680,8 +686,8 @@ fn matches_compound_selector_internal<E:TElement,
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/// will almost certainly break as nodes will start mistakenly sharing styles. (See the code in
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/// `main/css/matching.rs`.)
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#[inline]
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pub fn matches_simple_selector<E:TElement,
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N:TNode<E>>(
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pub fn matches_simple_selector<'a, E:TElement<'a>,
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N:TNode<'a, E>>(
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selector: &SimpleSelector,
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element: &N,
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shareable: &mut bool)
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@ -863,8 +869,8 @@ fn url_is_visited(_url: &str) -> bool {
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#[inline]
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fn matches_generic_nth_child<'a,
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E:TElement,
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N:TNode<E>>(
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E:TElement<'a>,
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N:TNode<'a, E>>(
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element: &N,
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a: i32,
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b: i32,
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@ -919,7 +925,7 @@ fn matches_generic_nth_child<'a,
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}
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#[inline]
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fn matches_root<E:TElement,N:TNode<E>>(element: &N) -> bool {
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fn matches_root<'a, E:TElement<'a>,N:TNode<'a, E>>(element: &N) -> bool {
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match element.parent_node() {
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Some(parent) => parent.is_document(),
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None => false
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@ -927,7 +933,7 @@ fn matches_root<E:TElement,N:TNode<E>>(element: &N) -> bool {
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}
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#[inline]
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fn matches_first_child<E:TElement,N:TNode<E>>(element: &N) -> bool {
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fn matches_first_child<'a, E:TElement<'a>,N:TNode<'a, E>>(element: &N) -> bool {
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let mut node = element.clone();
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loop {
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match node.prev_sibling() {
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@ -949,7 +955,7 @@ fn matches_first_child<E:TElement,N:TNode<E>>(element: &N) -> bool {
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}
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#[inline]
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fn matches_last_child<E:TElement,N:TNode<E>>(element: &N) -> bool {
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fn matches_last_child<'a, E:TElement<'a>,N:TNode<'a, E>>(element: &N) -> bool {
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let mut node = element.clone();
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loop {
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match node.next_sibling() {
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