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Added Node's query_selector_all helper function

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Bruno de Oliveira Abinader 2014-06-10 12:09:51 -04:00
parent 1d35650d4f
commit b0e8f7cebf
1 changed files with 28 additions and 1 deletions
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29
src/components/script/dom/node.rs
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@ -398,6 +398,7 @@ pub trait NodeHelpers {
fn get_content_boxes(&self) -> Vec<Rect<Au>>; fn get_content_boxes(&self) -> Vec<Rect<Au>>;
fn query_selector(&self, selectors: DOMString) -> Fallible<Option<Temporary<Element>>>; fn query_selector(&self, selectors: DOMString) -> Fallible<Option<Temporary<Element>>>;
fn query_selector_all(&self, selectors: DOMString) -> Fallible<Temporary<NodeList>>;
fn remove_self(&self); fn remove_self(&self);
} }
@ -568,9 +569,9 @@ impl<'a> NodeHelpers for JSRef<'a, Node> {
None => return Err(Syntax), None => return Err(Syntax),
// Step 3. // Step 3.
Some(ref selectors) => { Some(ref selectors) => {
let root = self.ancestors().last().unwrap_or(self.clone());
for selector in selectors.iter() { for selector in selectors.iter() {
assert!(selector.pseudo_element.is_none()); assert!(selector.pseudo_element.is_none());
let root = self.ancestors().last().unwrap_or(self.clone());
for node in root.traverse_preorder().filter(|node| node.is_element()) { for node in root.traverse_preorder().filter(|node| node.is_element()) {
let mut _shareable: bool = false; let mut _shareable: bool = false;
if matches_compound_selector(selector.compound_selectors.deref(), &node, &mut _shareable) { if matches_compound_selector(selector.compound_selectors.deref(), &node, &mut _shareable) {
@ -584,6 +585,32 @@ impl<'a> NodeHelpers for JSRef<'a, Node> {
Ok(None) Ok(None)
} }
// http://dom.spec.whatwg.org/#dom-parentnode-queryselectorall
fn query_selector_all(&self, selectors: DOMString) -> Fallible<Temporary<NodeList>> {
// Step 1.
let mut nodes = vec!();
let root = self.ancestors().last().unwrap_or(self.clone());
let namespace = NamespaceMap::new();
match parse_selector_list(tokenize(selectors.as_slice()).map(|(token, _)| token).collect(), &namespace) {
// Step 2.
None => return Err(Syntax),
// Step 3.
Some(ref selectors) => {
for selector in selectors.iter() {
assert!(selector.pseudo_element.is_none());
for node in root.traverse_preorder().filter(|node| node.is_element()) {
let mut _shareable: bool = false;
if matches_compound_selector(selector.compound_selectors.deref(), &node, &mut _shareable) {
nodes.push(node.clone())
}
}
}
}
}
let window = window_from_node(self).root();
Ok(NodeList::new_simple_list(&window.root_ref(), nodes))
}
fn ancestors(&self) -> AncestorIterator { fn ancestors(&self) -> AncestorIterator {
AncestorIterator { AncestorIterator {
current: self.parent_node.get().map(|node| (*node.root()).clone()), current: self.parent_node.get().map(|node| (*node.root()).clone()),