Cleanup some code.

src/components/script/dom/comment.rs

@@ -22,9 +22,8 @@ impl Comment {
 
     pub fn Constructor(owner: @mut Window, data: &DOMString) -> Fallible<AbstractNode<ScriptView>> {
         let s = null_str_as_empty(data);
-        unsafe {
-            let compartment = (*owner.page).js_info.get_ref().js_compartment;
-            Ok(Node::as_abstract_node(compartment.cx.ptr, @Comment::new(s)))
-        }
+        let cx = (*owner.page).js_info.get_ref().js_compartment.cx.ptr;
+        let comment = @Comment::new(s);
+        Ok(unsafe { Node::as_abstract_node(cx, comment) })
     }
 }

src/components/script/dom/document.rs

@@ -258,7 +258,8 @@ impl Document {
 
     pub fn CreateTextNode(&self, data: &DOMString) -> AbstractNode<ScriptView> {
         let cx = self.get_cx();
-        unsafe { Node::as_abstract_node(cx, @Text::new(null_str_as_empty(data))) }
+        let text = @Text::new(null_str_as_empty(data));
+        unsafe { Node::as_abstract_node(cx, text) }
     }
 
     pub fn CreateEvent(&self, _interface: &DOMString) -> Fallible<@mut Event> {

src/components/script/dom/element.rs

@@ -277,14 +277,13 @@ impl Element {
     }
 
     pub fn GetClientRects(&self, abstract_self: AbstractNode<ScriptView>) -> @mut ClientRectList {
-        let (rects, cx, scope) = match self.node.owner_doc {
-            Some(doc) => {
-                match doc.with_base(|doc| doc.window) {
-                    Some(win) => {
+        let document = self.node.owner_doc.expect("no document");
+        let win = document.with_base(|doc| doc.window).expect("no window");
         let node = abstract_self;
         assert!(node.is_element());
         let page = win.page;
         let (port, chan) = comm::stream();
+        let (rects, cx, scope) =
             match page.query_layout(ContentBoxesQuery(node, chan), port) {
                 ContentBoxesResponse(rects) => {
                     let cx = page.js_info.get_ref().js_compartment.cx.ptr;
@@ -299,30 +298,16 @@ impl Element {
                              cx,
                              scope)
                     };
-                                Some((rects, cx, scope))
+                    (rects, cx, scope)
                 },
-                        }
-                    }
-                    None => {
-                        debug!("no window");
-                        None
-                    }
-                }
-            }
-            None => {
-                debug!("no document");
-                None
-            }
-        }.unwrap();
+            };
 
         ClientRectList::new(rects, cx, scope)
     }
 
     pub fn GetBoundingClientRect(&self, abstract_self: AbstractNode<ScriptView>) -> @mut ClientRect {
-        match self.node.owner_doc {
-            Some(doc) => {
-                match doc.with_base(|doc| doc.window) {
-                    Some(win) => {
+        let document = self.node.owner_doc.expect("no document");
+        let win = document.with_base(|doc| doc.window).expect("no window");
         let page = win.page;
         let node = abstract_self;
         assert!(node.is_element());
@@ -342,12 +327,6 @@ impl Element {
             }
         }
     }
-                    None => fail!("no window")
-                }
-            }
-            None => fail!("no document")
-        }
-    }
 
     pub fn ScrollIntoView(&self, _top: bool) {
     }

src/components/script/dom/htmlformelement.rs

@@ -117,9 +117,6 @@ impl HTMLFormElement {
     }
 
     pub fn IndexedGetter(&self, _index: u32, _found: &mut bool) -> AbstractNode<ScriptView> {
-        let (_scope, cx) = self.get_scope_and_cx();
-        // FIXME: This should be replaced with a proper value according to the index
-        let node = @Node::new(ElementNodeTypeId(HTMLFormElementTypeId));
-        unsafe { return Node::as_abstract_node(cx, node) }
+        fail!("Not implemented.")
     }
 }

src/components/script/dom/text.rs

@@ -22,7 +22,8 @@ impl Text {
 
     pub fn Constructor(owner: @mut Window, text: &DOMString) -> Fallible<AbstractNode<ScriptView>> {
         let cx = owner.page.js_info.get_ref().js_compartment.cx.ptr;
-        unsafe { Ok(Node::as_abstract_node(cx, @Text::new(null_str_as_empty(text)))) }
+        let text = @Text::new(null_str_as_empty(text));
+        Ok(unsafe { Node::as_abstract_node(cx, text) })
     }
 
     pub fn SplitText(&self, _offset: u32) -> Fallible<AbstractNode<ScriptView>> {

src/components/script/html/hubbub_html_parser.rs

@@ -291,12 +291,10 @@ pub fn build_element_from_tag(cx: *JSContext, tag: &str) -> AbstractNode<ScriptV
     handle_htmlmediaelement!(cx, tag, "audio", HTMLAudioElementTypeId, HTMLAudioElement);
     handle_htmlmediaelement!(cx, tag, "video", HTMLVideoElementTypeId, HTMLVideoElement);
 
-    unsafe {
     let element = @HTMLUnknownElement {
        htmlelement: HTMLElement::new(HTMLUnknownElementTypeId, tag.to_str())
     };
-        Node::as_abstract_node(cx, element)
-    }
+    unsafe { Node::as_abstract_node(cx, element) }
 }
 
 pub fn parse_html(cx: *JSContext,
@@ -367,8 +365,9 @@ pub fn parse_html(cx: *JSContext,
     parser.set_tree_handler(~hubbub::TreeHandler {
         create_comment: |data: ~str| {
             debug!("create comment");
+            let comment = @Comment::new(data);
             unsafe {
-                Node::as_abstract_node(cx, @Comment::new(data)).to_hubbub_node()
+                Node::as_abstract_node(cx, comment).to_hubbub_node()
             }
         },
         create_doctype: |doctype: ~hubbub::Doctype| {
@@ -466,9 +465,8 @@ pub fn parse_html(cx: *JSContext,
         },
         create_text: |data: ~str| {
             debug!("create text");
-            unsafe {
-                Node::as_abstract_node(cx, @Text::new(data)).to_hubbub_node()
-            }
+            let text = @Text::new(data);
+            unsafe { Node::as_abstract_node(cx, text).to_hubbub_node() }
         },
         ref_node: |_| {},
         unref_node: |_| {},