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Implement node::LookupPrefix and add test.

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Tracking issue #1826.
This commit is contained in:
Md. Enzam Hossain 2015-03-26 03:26:58 +00:00
parent f7bfea5879
commit 4c5bebeb10
3 changed files with 97 additions and 4 deletions
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26
components/script/dom/node.rs
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@ -6,6 +6,7 @@
use dom::attr::{Attr, AttrHelpers};
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
use dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods;
use dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
@ -2278,9 +2279,27 @@ impl<'a> NodeMethods for JSRef<'a, Node> {
}
// https://dom.spec.whatwg.org/#dom-node-lookupprefix
fn LookupPrefix(self, _prefix: Option<DOMString>) -> Option<DOMString> {
// FIXME (#1826) implement.
None
fn LookupPrefix(self, namespace: Option<DOMString>) -> Option<DOMString> {
// Step 1.
if null_str_as_empty(&namespace).is_empty() {
return None;
}
// Step 2.
match self.type_id() {
NodeTypeId::Element(..) => ElementCast::to_ref(self).unwrap().lookup_prefix(namespace),
NodeTypeId::Document => {
DocumentCast::to_ref(self).unwrap().GetDocumentElement().and_then(|element| {
element.root().r().lookup_prefix(namespace)
})
},
NodeTypeId::DocumentType | NodeTypeId::DocumentFragment => None,
_ => {
self.GetParentElement().and_then(|element| {
element.root().r().lookup_prefix(namespace)
})
}
}
}
// https://dom.spec.whatwg.org/#dom-node-lookupnamespaceuri
@ -2517,4 +2536,3 @@ pub enum NodeDamage {
/// Other parts of a node changed; attributes, text content, etc.
OtherNodeDamage,
}