auto merge of #1917 : lpy/servo/issue1822, r=jdm

see #1822
This commit is contained in:
bors-servo 2014-04-08 10:49:14 -04:00
commit 51ff762bc5
3 changed files with 77 additions and 8 deletions

View file

@ -7,6 +7,7 @@ use dom::bindings::codegen::InheritTypes::{DocumentBase, NodeCast, DocumentCast}
use dom::bindings::codegen::InheritTypes::{HTMLHeadElementCast, TextCast, ElementCast};
use dom::bindings::codegen::InheritTypes::{DocumentTypeCast, HTMLHtmlElementCast};
use dom::bindings::codegen::DocumentBinding;
use dom::bindings::codegen::NodeBinding::NodeConstants::{DOCUMENT_POSITION_CONTAINS, DOCUMENT_POSITION_PRECEDING};
use dom::bindings::js::JS;
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::bindings::error::{ErrorResult, Fallible, NotSupported, InvalidCharacter, HierarchyRequest, NamespaceError};
@ -59,7 +60,7 @@ pub struct Document {
node: Node,
reflector_: Reflector,
window: JS<Window>,
idmap: HashMap<DOMString, JS<Element>>,
idmap: HashMap<DOMString, ~[JS<Element>]>,
implementation: Option<JS<DOMImplementation>>,
content_type: DOMString,
encoding_name: DOMString,
@ -249,7 +250,7 @@ impl Document {
// http://dom.spec.whatwg.org/#dom-document-getelementbyid.
match self.idmap.find_equiv(&id) {
None => None,
Some(node) => Some(node.clone()),
Some(ref elements) => Some(elements[0].clone()),
}
}
@ -647,8 +648,22 @@ impl Document {
/// Remove any existing association between the provided id and any elements in this document.
pub fn unregister_named_element(&mut self,
abstract_self: &JS<Element>,
id: DOMString) {
self.idmap.remove(&id);
let mut is_empty = false;
match self.idmap.find_mut(&id) {
None => {},
Some(elements) => {
let position = elements.iter()
.position(|element| element == abstract_self)
.expect("This element should be in registered.");
elements.remove(position);
is_empty = elements.is_empty();
}
}
if is_empty {
self.idmap.remove(&id);
}
}
/// Associate an element present in this document with the provided id.
@ -665,12 +680,26 @@ impl Document {
// FIXME https://github.com/mozilla/rust/issues/13195
// Use mangle() when it exists again.
match self.idmap.find_mut(&id) {
Some(v) => {
*v = element.clone();
Some(elements) => {
let new_node = NodeCast::from(element);
let mut head : uint = 0u;
let mut tail : uint = elements.len();
while head < tail {
let middle = ((head + tail) / 2) as int;
let elem = &elements[middle];
let js_node = NodeCast::from(elem);
let position = elem.get().node.CompareDocumentPosition(&js_node, &new_node);
if position == DOCUMENT_POSITION_PRECEDING || position == DOCUMENT_POSITION_PRECEDING + DOCUMENT_POSITION_CONTAINS {
tail = middle as uint;
} else {
head = middle as uint + 1u;
}
}
elements.insert(tail, element.clone());
return;
},
None => (),
}
self.idmap.insert(id, element.clone());
self.idmap.insert(id, ~[element.clone()]);
}
}