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Implement Element.attributes.

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This commit is contained in:
Josh Matthews 2013-11-11 21:35:11 +09:00
parent 6a0201a5a6
commit 249cc6e38f
6 changed files with 102 additions and 7 deletions
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25
src/components/script/dom/element.rs
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@ -4,6 +4,7 @@
//! Element nodes.
use dom::attrlist::AttrList;
use dom::bindings::utils::{Reflectable, DOMString, ErrorResult, Fallible, Reflector};
use dom::bindings::utils::{null_str_as_empty, null_str_as_empty_ref, NamespaceError};
use dom::bindings::utils::{InvalidCharacter, QName, Name, InvalidXMLName, xml_name_type};
@ -30,8 +31,9 @@ pub struct Element {
node: Node<ScriptView>,
tag_name: ~str, // TODO: This should be an atom, not a ~str.
attrs: HashMap<~str, ~[@mut Attr]>,
attrs_list: ~[~str], // store an order of attributes.
attrs_insert_order: ~[(~str, Namespace)], // store an order of attributes.
style_attribute: Option<style::PropertyDeclarationBlock>,
attr_list: Option<@mut AttrList>
}
impl Reflectable for Element {
@ -149,7 +151,8 @@ impl<'self> Element {
node: Node::new(ElementNodeTypeId(type_id), document),
tag_name: tag_name,
attrs: HashMap::new(),
attrs_list: ~[],
attrs_insert_order: ~[],
attr_list: None,
style_attribute: None,
}
}
@ -217,7 +220,8 @@ impl<'self> Element {
self.attrs.mangle(local_name.clone(), new_attr,
|new_name: &~str, new_value: @mut Attr| {
// register to the ordered list.
self.attrs_list.push(new_name.clone());
let order_value = (new_name.clone(), new_value.namespace.clone());
self.attrs_insert_order.push(order_value);
~[new_value]
},
|name, old_value: &mut ~[@mut Attr], new_value: @mut Attr| {
@ -234,7 +238,8 @@ impl<'self> Element {
}
if !found {
old_value.push(new_value);
self.attrs_list.push(name.clone());
let order_value = (name.clone(), new_value.namespace.clone());
self.attrs_insert_order.push(order_value);
}
});
@ -295,6 +300,18 @@ impl Element {
self.set_attribute(abstract_self, namespace::Null, &Some(~"id"), &Some(id.clone()));
}
pub fn Attributes(&mut self, abstract_self: AbstractNode<ScriptView>) -> @mut AttrList {
match self.attr_list {
None => {
let window = self.node.owner_doc().document().window;
let list = AttrList::new(window, abstract_self);
self.attr_list = Some(list);
list
}
Some(list) => list
}
}
pub fn GetAttribute(&self, name: &DOMString) -> Option<DOMString> {
self.get_attr(*name).map(|s| s.to_owned())
}