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auto merge of #4363 : Ms2ger/servo/collectionfilter, r=Manishearth

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bors-servo 2014-12-13 10:15:45 -07:00
commit 29c9975a83
2 changed files with 28 additions and 42 deletions
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63
components/script/dom/htmlcollection.rs
View file

@ -10,12 +10,13 @@ use dom::bindings::js::{JS, JSRef, Temporary};
use dom::bindings::trace::JSTraceable;
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::element::{Element, AttributeHandlers, ElementHelpers};
use dom::node::{Node, NodeHelpers};
use dom::node::{Node, NodeHelpers, TreeIterator};
use dom::window::Window;
use servo_util::namespace;
use servo_util::str::{DOMString, split_html_space_chars};
use std::ascii::AsciiExt;
use std::iter::{FilterMap, Skip};
use string_cache::{Atom, Namespace};
pub trait CollectionFilter : JSTraceable {
@ -62,10 +63,7 @@ impl HTMLCollection {
namespace_filter: Option<Namespace>
}
impl CollectionFilter for AllElementFilter {
fn filter(&self, elem: JSRef<Element>, root: JSRef<Node>) -> bool {
if NodeCast::from_ref(elem) == root {
return false
}
fn filter(&self, elem: JSRef<Element>, _root: JSRef<Node>) -> bool {
match self.namespace_filter {
None => true,
Some(ref namespace) => *elem.namespace() == *namespace
@ -88,10 +86,7 @@ impl HTMLCollection {
ascii_lower_tag: Atom,
}
impl CollectionFilter for TagNameFilter {
fn filter(&self, elem: JSRef<Element>, root: JSRef<Node>) -> bool {
if NodeCast::from_ref(elem) == root {
return false
}
fn filter(&self, elem: JSRef<Element>, _root: JSRef<Node>) -> bool {
if elem.html_element_in_html_document() {
*elem.local_name() == self.ascii_lower_tag
} else {
@ -122,10 +117,7 @@ impl HTMLCollection {
namespace_filter: Option<Namespace>
}
impl CollectionFilter for TagNameNSFilter {
fn filter(&self, elem: JSRef<Element>, root: JSRef<Node>) -> bool {
if NodeCast::from_ref(elem) == root {
return false
}
fn filter(&self, elem: JSRef<Element>, _root: JSRef<Node>) -> bool {
let ns_match = match self.namespace_filter {
Some(ref namespace) => {
*elem.namespace() == *namespace
@ -149,8 +141,8 @@ impl HTMLCollection {
classes: Vec<Atom>
}
impl CollectionFilter for ClassNameFilter {
fn filter(&self, elem: JSRef<Element>, root: JSRef<Node>) -> bool {
(NodeCast::from_ref(elem) != root) && self.classes.iter().all(|class| elem.has_class(class))
fn filter(&self, elem: JSRef<Element>, _root: JSRef<Node>) -> bool {
self.classes.iter().all(|class| elem.has_class(class))
}
}
let filter = ClassNameFilter {
@ -171,6 +163,15 @@ impl HTMLCollection {
}
HTMLCollection::create(window, root, box ElementChildFilter)
}
fn traverse<'a>(root: JSRef<'a, Node>)
-> FilterMap<'a, JSRef<'a, Node>,
JSRef<'a, Element>,
Skip<TreeIterator<'a>>> {
root.traverse_preorder()
.skip(1)
.filter_map(ElementCast::to_ref)
}
}
impl<'a> HTMLCollectionMethods for JSRef<'a, HTMLCollection> {
@ -180,11 +181,9 @@ impl<'a> HTMLCollectionMethods for JSRef<'a, HTMLCollection> {
Static(ref elems) => elems.len() as u32,
Live(ref root, ref filter) => {
let root = root.root();
root.traverse_preorder()
.filter(|&child| {
let elem: Option<JSRef<Element>> = ElementCast::to_ref(child);
elem.map_or(false, |elem| filter.filter(elem, *root))
}).count() as u32
HTMLCollection::traverse(*root)
.filter(|element| filter.filter(*element, *root))
.count() as u32
}
}
}
@ -198,17 +197,11 @@ impl<'a> HTMLCollectionMethods for JSRef<'a, HTMLCollection> {
.map(|elem| Temporary::new(elem.clone())),
Live(ref root, ref filter) => {
let root = root.root();
root.traverse_preorder()
.filter_map(|node| {
let elem: Option<JSRef<Element>> = ElementCast::to_ref(node);
match elem {
Some(ref elem) if filter.filter(*elem, *root) => Some(elem.clone()),
_ => None
}
})
HTMLCollection::traverse(*root)
.filter(|element| filter.filter(*element, *root))
.nth(index as uint)
.clone()
.map(|elem| Temporary::from_rooted(elem))
.map(Temporary::from_rooted)
}
}
}
@ -230,18 +223,12 @@ impl<'a> HTMLCollectionMethods for JSRef<'a, HTMLCollection> {
.map(|maybe_elem| Temporary::from_rooted(*maybe_elem)),
Live(ref root, ref filter) => {
let root = root.root();
root.traverse_preorder()
.filter_map(|node| {
let elem: Option<JSRef<Element>> = ElementCast::to_ref(node);
match elem {
Some(ref elem) if filter.filter(*elem, *root) => Some(elem.clone()),
_ => None
}
})
HTMLCollection::traverse(*root)
.filter(|element| filter.filter(*element, *root))
.find(|elem| {
elem.get_string_attribute(&atom!("name")) == key ||
elem.get_string_attribute(&atom!("id")) == key })
.map(|maybe_elem| Temporary::from_rooted(maybe_elem))
.map(Temporary::from_rooted)
}
}
}

7
components/script/dom/htmlfieldsetelement.rs
View file

@ -6,7 +6,7 @@ use dom::attr::Attr;
use dom::attr::AttrHelpers;
use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding;
use dom::bindings::codegen::Bindings::HTMLFieldSetElementBinding::HTMLFieldSetElementMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLFieldSetElementDerived, NodeCast};
use dom::bindings::codegen::InheritTypes::{HTMLFieldSetElementDerived, NodeCast};
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLLegendElementDerived};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector};
@ -54,11 +54,10 @@ impl<'a> HTMLFieldSetElementMethods for JSRef<'a, HTMLFieldSetElement> {
#[jstraceable]
struct ElementsFilter;
impl CollectionFilter for ElementsFilter {
fn filter<'a>(&self, elem: JSRef<'a, Element>, root: JSRef<'a, Node>) -> bool {
fn filter<'a>(&self, elem: JSRef<'a, Element>, _root: JSRef<'a, Node>) -> bool {
static TAG_NAMES: StaticStringVec = &["button", "fieldset", "input",
"keygen", "object", "output", "select", "textarea"];
let root: JSRef<Element> = ElementCast::to_ref(root).unwrap();
elem != root && TAG_NAMES.iter().any(|&tag_name| tag_name == elem.local_name().as_slice())
TAG_NAMES.iter().any(|&tag_name| tag_name == elem.local_name().as_slice())
}
}
let node: JSRef<Node> = NodeCast::from_ref(self);