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Cleanup Node::query_selector.

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This commit is contained in:
Ms2ger 2014-12-05 14:58:48 +01:00
parent ea907c1311
commit 54c0601950
1 changed files with 4 additions and 7 deletions
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11
components/script/dom/node.rs
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@ -738,16 +738,13 @@ impl<'a> NodeHelpers<'a> for JSRef<'a, Node> {
// Step 3.
Ok(ref selectors) => {
let root = self.ancestors().last().unwrap_or(self.clone());
for node in root.traverse_preorder() {
if node.is_element() && matches(selectors, &node, &mut None) {
let elem: JSRef<Element> = ElementCast::to_ref(node).unwrap();
return Ok(Some(Temporary::from_rooted(elem)));
Ok(root.traverse_preorder()
.filter_map(ElementCast::to_ref)
.find(|element| matches(selectors, &NodeCast::from_ref(*element), &mut None))
.map(Temporary::from_rooted))
}
}
}
}
Ok(None)
}
/// Get an iterator over all nodes which match a set of selectors
/// Be careful not to do anything which may manipulate the DOM tree whilst iterating, otherwise