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Simplify the implementation of NodeIterator::next_child.

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This commit is contained in:
Ms2ger 2014-11-02 18:04:03 +01:00
parent cb68fbd68e
commit 68f3daa7ef
1 changed files with 7 additions and 9 deletions
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16
components/script/dom/node.rs
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@ -1050,15 +1050,13 @@ impl NodeIterator {
}
fn next_child<'b>(&self, node: JSRef<'b, Node>) -> Option<JSRef<'b, Node>> {
if !self.include_descendants_of_void && node.is_element() {
let elem: JSRef<Element> = ElementCast::to_ref(node).unwrap();
if elem.is_void() {
None
} else {
node.first_child().map(|child| (*child.root()).clone())
}
} else {
node.first_child().map(|child| (*child.root()).clone())
let skip = |element: JSRef<Element>| {
!self.include_descendants_of_void && element.is_void()
};
match ElementCast::to_ref(node) {
Some(element) if skip(element) => None,
_ => node.first_child().map(|child| (*child.root()).clone()),
}
}
}