diff options
Diffstat (limited to 'components/script/dom/document.rs')
| -rw-r--r-- | components/script/dom/document.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/components/script/dom/document.rs b/components/script/dom/document.rs index cccb2658d40..9a547c98efd 100644 --- a/components/script/dom/document.rs +++ b/components/script/dom/document.rs @@ -171,6 +171,7 @@ pub trait DocumentHelpers<'a> { fn unregister_named_element(self, to_unregister: JSRef<Element>, id: Atom); fn register_named_element(self, element: JSRef<Element>, id: Atom); fn load_anchor_href(self, href: DOMString); + fn find_fragment_node(self, fragid: DOMString) -> Option<Temporary<Element>>; } impl<'a> DocumentHelpers<'a> for JSRef<'a, Document> { @@ -276,6 +277,24 @@ impl<'a> DocumentHelpers<'a> for JSRef<'a, Document> { let window = self.window.root(); window.load_url(href); } + + /// Attempt to find a named element in this page's document. + fn find_fragment_node(self, fragid: DOMString) -> Option<Temporary<Element>> { + match self.GetElementById(fragid.clone()) { + Some(node) => Some(node), + None => { + let doc_node: JSRef<Node> = NodeCast::from_ref(self); + let mut anchors = doc_node.traverse_preorder() + .filter(|node| node.is_anchor_element()); + anchors.find(|node| { + let elem: JSRef<Element> = ElementCast::to_ref(*node).unwrap(); + elem.get_attribute(ns!(""), "name").root().map_or(false, |attr| { + attr.deref().value().as_slice() == fragid.as_slice() + }) + }).map(|node| Temporary::from_rooted(ElementCast::to_ref(node).unwrap())) + } + } + } } impl Document { |