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Implement ParentNode attributes

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This commit is contained in:
Anthony Ramine 2015-04-07 18:41:27 +02:00
parent e57630711f
commit 33f2cd29fd
15 changed files with 48 additions and 233 deletions
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15
components/script/dom/document.rs
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@ -1378,6 +1378,21 @@ impl<'a> DocumentMethods for JSRef<'a, Document> {
HTMLCollection::children(window.r(), NodeCast::from_ref(self))
}
// https://dom.spec.whatwg.org/#dom-parentnode-firstelementchild
fn GetFirstElementChild(self) -> Option<Temporary<Element>> {
NodeCast::from_ref(self).child_elements().next()
}
// https://dom.spec.whatwg.org/#dom-parentnode-lastelementchild
fn GetLastElementChild(self) -> Option<Temporary<Element>> {
NodeCast::from_ref(self).rev_children().filter_map(ElementCast::to_temporary).next()
}
// https://dom.spec.whatwg.org/#dom-parentnode-childelementcount
fn ChildElementCount(self) -> u32 {
NodeCast::from_ref(self).child_elements().count() as u32
}
// http://dom.spec.whatwg.org/#dom-parentnode-queryselector
fn QuerySelector(self, selectors: DOMString) -> Fallible<Option<Temporary<Element>>> {
let root: JSRef<Node> = NodeCast::from_ref(self);