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Clean up the cast calls

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This commit is contained in:
Anthony Ramine 2015-10-07 14:55:02 +02:00
parent 13ea3ac413
commit 68014af78e
66 changed files with 412 additions and 718 deletions
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24
components/script/parse/html.rs
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@ -45,16 +45,14 @@ impl<'a> TreeSink for servohtmlparser::Sink {
type Handle = JS<Node>;
fn get_document(&mut self) -> JS<Node> {
let doc = self.document.root();
let node = doc.upcast::<Node>();
JS::from_ref(node)
JS::from_ref(self.document.root().upcast())
}
fn get_template_contents(&self, target: JS<Node>) -> JS<Node> {
let target = target.root();
let template = target.downcast::<HTMLTemplateElement>()
.expect("tried to get template contents of non-HTMLTemplateElement in HTML parsing");
JS::from_ref(template.Content().upcast::<Node>())
JS::from_ref(template.Content().upcast())
}
fn same_node(&self, x: JS<Node>, y: JS<Node>) -> bool {
@ -81,15 +79,13 @@ impl<'a> TreeSink for servohtmlparser::Sink {
elem.r().set_attribute_from_parser(attr.name, attr.value.into(), None);
}
let node = elem.upcast::<Node>();
JS::from_ref(node)
JS::from_ref(elem.upcast())
}
fn create_comment(&mut self, text: StrTendril) -> JS<Node> {
let doc = self.document.root();
let comment = Comment::new(text.into(), doc.r());
let node = Root::upcast::<Node>(comment);
JS::from_rooted(&node)
JS::from_ref(comment.upcast())
}
fn append_before_sibling(&mut self,
@ -127,12 +123,9 @@ impl<'a> TreeSink for servohtmlparser::Sink {
fn append_doctype_to_document(&mut self, name: StrTendril, public_id: StrTendril,
system_id: StrTendril) {
let doc = self.document.root();
let doc_node = doc.upcast::<Node>();
let doctype = DocumentType::new(
name.into(), Some(public_id.into()), Some(system_id.into()), doc.r());
let node: Root<Node> = Root::upcast::<Node>(doctype);
assert!(doc_node.AppendChild(node.r()).is_ok());
doc.upcast::<Node>().AppendChild(doctype.upcast()).expect("Appending failed");
}
fn add_attrs_if_missing(&mut self, target: JS<Node>, attrs: Vec<Attribute>) {
@ -153,13 +146,13 @@ impl<'a> TreeSink for servohtmlparser::Sink {
fn mark_script_already_started(&mut self, node: JS<Node>) {
let node: Root<Node> = node.root();
let script: Option<&HTMLScriptElement> = node.downcast::<HTMLScriptElement>();
let script = node.downcast::<HTMLScriptElement>();
script.map(|script| script.mark_already_started());
}
fn complete_script(&mut self, node: JS<Node>) -> NextParserState {
let node: Root<Node> = node.root();
let script: Option<&HTMLScriptElement> = node.downcast::<HTMLScriptElement>();
let script = node.downcast::<HTMLScriptElement>();
if let Some(script) = script {
return script.prepare();
}
@ -305,8 +298,7 @@ pub fn parse_html_fragment(context_node: &Node,
// Step 14.
let root_element = document.r().GetDocumentElement().expect("no document element");
let root_node = root_element.upcast::<Node>();
for child in root_node.children() {
for child in root_element.upcast::<Node>().children() {
output.AppendChild(child.r()).unwrap();
}
}