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Refactor fragment parsing

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This commit is contained in:
Anthony Ramine 2016-11-30 01:23:58 +01:00
parent ea4fbbc63a
commit 03e04179ae
4 changed files with 67 additions and 46 deletions
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12
components/script/dom/range.rs
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@ -22,7 +22,6 @@ use dom::characterdata::CharacterData;
use dom::document::Document;
use dom::documentfragment::DocumentFragment;
use dom::element::Element;
use dom::htmlbodyelement::HTMLBodyElement;
use dom::htmlscriptelement::HTMLScriptElement;
use dom::node::{Node, UnbindContext};
use dom::text::Text;
@ -901,6 +900,7 @@ impl RangeMethods for Range {
fn CreateContextualFragment(&self, fragment: DOMString) -> Fallible<Root<DocumentFragment>> {
// Step 1.
let node = self.StartContainer();
let owner_doc = node.owner_doc();
let element = match node.type_id() {
NodeTypeId::Document(_) | NodeTypeId::DocumentFragment => None,
NodeTypeId::Element(_) => Some(Root::downcast::<Element>(node).unwrap()),
@ -911,15 +911,7 @@ impl RangeMethods for Range {
};
// Step 2.
let should_create_body = element.as_ref().map_or(true, |elem| {
let elem = elem.downcast::<Element>().unwrap();
elem.local_name() == &local_name!("html") && elem.html_element_in_html_document()
});
let element: Root<Node> = if should_create_body {
Root::upcast(HTMLBodyElement::new(local_name!("body"), None, &self.StartContainer().owner_doc()))
} else {
Root::upcast(element.unwrap())
};
let element = Element::fragment_parsing_context(&owner_doc, element.r());
// Step 3.
let fragment_node = try!(element.parse_fragment(fragment));