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turn enum into struct

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pub enum CollectionTypeId -> pub struct Collection
This commit is contained in:
vectorijk 2015-08-15 02:49:15 -07:00
parent d853aaba65
commit 59d704b53f
1 changed files with 25 additions and 33 deletions
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30
components/script/dom/htmlcollection.rs
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@ -24,27 +24,25 @@ pub trait CollectionFilter : JSTraceable {
#[derive(JSTraceable)]
#[must_root]
pub enum CollectionTypeId {
Live(JS<Node>, Box<CollectionFilter+'static>)
}
pub struct Collection(JS<Node>, Box<CollectionFilter + 'static>);
#[dom_struct]
#[derive(HeapSizeOf)]
pub struct HTMLCollection {
reflector_: Reflector,
#[ignore_heap_size_of = "Contains a trait object; can't measure due to #6870"]
collection: CollectionTypeId,
collection: Collection,
}
impl HTMLCollection {
fn new_inherited(collection: CollectionTypeId) -> HTMLCollection {
fn new_inherited(collection: Collection) -> HTMLCollection {
HTMLCollection {
reflector_: Reflector::new(),
collection: collection,
}
}
pub fn new(window: &Window, collection: CollectionTypeId) -> Root<HTMLCollection> {
pub fn new(window: &Window, collection: Collection) -> Root<HTMLCollection> {
reflect_dom_object(box HTMLCollection::new_inherited(collection),
GlobalRef::Window(window), HTMLCollectionBinding::Wrap)
}
@ -53,7 +51,7 @@ impl HTMLCollection {
impl HTMLCollection {
pub fn create(window: &Window, root: &Node,
filter: Box<CollectionFilter + 'static>) -> Root<HTMLCollection> {
HTMLCollection::new(window, CollectionTypeId::Live(JS::from_ref(root), filter))
HTMLCollection::new(window, Collection(JS::from_ref(root), filter))
}
fn all_elements(window: &Window, root: &Node,
@ -178,31 +176,28 @@ impl HTMLCollection {
impl<'a> HTMLCollectionMethods for &'a HTMLCollection {
// https://dom.spec.whatwg.org/#dom-htmlcollection-length
#[allow(unrooted_must_root)]
fn Length(self) -> u32 {
match self.collection {
CollectionTypeId::Live(ref root, ref filter) => {
let Collection(ref root, ref filter) = self.collection;
let root = root.root();
HTMLCollection::traverse(root.r())
.filter(|element| filter.filter(element.r(), root.r()))
.count() as u32
}
}
}
// https://dom.spec.whatwg.org/#dom-htmlcollection-item
#[allow(unrooted_must_root)]
fn Item(self, index: u32) -> Option<Root<Element>> {
let index = index as usize;
match self.collection {
CollectionTypeId::Live(ref root, ref filter) => {
let Collection(ref root, ref filter) = self.collection;
let root = root.root();
HTMLCollection::traverse(root.r())
.filter(|element| filter.filter(element.r(), root.r()))
.nth(index)
}
}
}
// https://dom.spec.whatwg.org/#dom-htmlcollection-nameditem
#[allow(unrooted_must_root)]
fn NamedItem(self, key: DOMString) -> Option<Root<Element>> {
// Step 1.
if key.is_empty() {
@ -210,8 +205,7 @@ impl<'a> HTMLCollectionMethods for &'a HTMLCollection {
}
// Step 2.
match self.collection {
CollectionTypeId::Live(ref root, ref filter) => {
let Collection(ref root, ref filter) = self.collection;
let root = root.root();
HTMLCollection::traverse(root.r())
.filter(|element| filter.filter(element.r(), root.r()))
@ -219,8 +213,6 @@ impl<'a> HTMLCollectionMethods for &'a HTMLCollection {
elem.r().get_string_attribute(&atom!("name")) == key ||
elem.r().get_string_attribute(&atom!("id")) == key})
}
}
}
// https://dom.spec.whatwg.org/#dom-htmlcollection-item
fn IndexedGetter(self, index: u32, found: &mut bool) -> Option<Root<Element>> {