Enable only remove operation for Document::update_idmap().

This commit is contained in:
Tetsuharu OHZEKI 2014-01-03 02:02:14 +09:00
parent 8dc5fe0fe5
commit fd0dadbddf
3 changed files with 26 additions and 11 deletions

View file

@ -406,23 +406,33 @@ impl Document {
pub fn update_idmap(&mut self,
abstract_self: AbstractNode,
new_id: DOMString,
new_id: Option<DOMString>,
old_id: Option<DOMString>) {
// remove old ids if the old ones are not same as the new one.
// remove old ids:
// * if the old ones are not same as the new one,
// * OR if the new one is none.
match old_id {
Some(ref old_id) if new_id != *old_id => {
Some(ref old_id) if new_id.is_none() ||
(*new_id.get_ref() != *old_id) => {
self.idmap.remove(old_id);
}
_ => ()
}
// TODO: support the case if multiple elements which haves same id are in the same document.
self.idmap.mangle(new_id, abstract_self, |_, new_node: AbstractNode| -> AbstractNode {
new_node
},
|_, old_node: &mut AbstractNode, new_node: AbstractNode| {
*old_node = new_node;
});
match new_id {
Some(new_id) => {
// TODO: support the case if multiple elements
// which haves same id are in the same document.
self.idmap.mangle(new_id, abstract_self,
|_, new_node: AbstractNode| -> AbstractNode {
new_node
},
|_, old_node: &mut AbstractNode, new_node: AbstractNode| {
*old_node = new_node;
});
}
None => ()
}
}
}