Remove old hubbub HTML parsing code

1 files changed, 0 insertions, 567 deletions

diff --git a/components/script/html/hubbub_html_parser.rs b/components/script/html/hubbub_html_parser.rs
deleted file mode 100644
index 490e35ff655..00000000000
--- a/components/script/html/hubbub_html_parser.rs
+++ /dev/null
@@ -1,567 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-use dom::attr::AttrHelpers;
-use dom::bindings::codegen::Bindings::AttrBinding::AttrMethods;
-use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
-use dom::bindings::codegen::InheritTypes::{NodeBase, NodeCast, TextCast};
-use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLScriptElementCast};
-use dom::bindings::js::{JS, JSRef, Temporary, OptionalRootable, Root};
-use dom::bindings::utils::Reflectable;
-use dom::document::{Document, DocumentHelpers};
-use dom::element::AttributeHandlers;
-use dom::htmlelement::HTMLElement;
-use dom::htmlheadingelement::{Heading1, Heading2, Heading3, Heading4, Heading5, Heading6};
-use dom::htmlformelement::HTMLFormElement;
-use dom::htmlscriptelement::HTMLScriptElementHelpers;
-use dom::node::NodeHelpers;
-use dom::types::*;
-use page::Page;
-
-use encoding::all::UTF_8;
-use encoding::types::{Encoding, DecodeReplace};
-
-use hubbub::hubbub;
-use hubbub::hubbub::{NullNs, HtmlNs, MathMlNs, SvgNs, XLinkNs, XmlNs, XmlNsNs};
-use servo_net::resource_task::{Load, LoadData, Payload, Done, ResourceTask, load_whole_resource};
-use servo_msg::constellation_msg::LoadData as MsgLoadData;
-use servo_util::str::DOMString;
-use servo_util::task::spawn_named;
-use std::ascii::StrAsciiExt;
-use std::mem;
-use std::cell::RefCell;
-use std::comm::{channel, Sender, Receiver};
-use url::{Url, UrlParser};
-use http::headers::HeaderEnum;
-use time;
-use string_cache::{Atom, Namespace};
-
-macro_rules! handle_element(
-    ($document: expr,
-     $localName: expr,
-     $prefix: expr,
-     $string: expr,
-     $ctor: ident
-     $(, $arg:expr )*) => (
-        if $string == $localName.as_slice() {
-            return ElementCast::from_temporary($ctor::new($localName, $prefix, $document $(, $arg)*));
-        }
-    )
-)
-
-
-pub struct JSFile {
-    pub data: String,
-    pub url: Option<Url>,
-}
-
-pub type JSResult = Vec<JSFile>;
-
-pub enum HTMLInput {
-    InputString(String),
-    InputUrl(Url),
-}
-
-enum JSMessage {
-    JSTaskNewFile(Url),
-    JSTaskNewInlineScript(String, Option<Url>),
-    JSTaskExit
-}
-
-/// Messages generated by the HTML parser upon discovery of additional resources
-pub enum HtmlDiscoveryMessage {
-    HtmlDiscoveredScript(JSResult)
-}
-
-pub struct HtmlParserResult {
-    pub discovery_port: Receiver<HtmlDiscoveryMessage>,
-}
-
-trait NodeWrapping<T> {
-    unsafe fn to_hubbub_node(&self) -> hubbub::NodeDataPtr;
-}
-
-impl<'a, T: NodeBase+Reflectable> NodeWrapping<T> for JSRef<'a, T> {
-    unsafe fn to_hubbub_node(&self) -> hubbub::NodeDataPtr {
-        mem::transmute(self.deref())
-    }
-}
-
-unsafe fn from_hubbub_node<T: Reflectable>(n: hubbub::NodeDataPtr) -> Temporary<T> {
-    Temporary::new(JS::from_raw(mem::transmute(n)))
-}
-
-fn js_script_listener(to_parent: Sender<HtmlDiscoveryMessage>,
-                      from_parent: Receiver<JSMessage>,
-                      resource_task: ResourceTask) {
-    let mut result_vec = vec!();
-
-    loop {
-        match from_parent.recv_opt() {
-            Ok(JSTaskNewFile(url)) => {
-                match load_whole_resource(&resource_task, url.clone()) {
-                    Err(_) => {
-                        error!("error loading script {:s}", url.serialize());
-                    }
-                    Ok((metadata, bytes)) => {
-                        let decoded = UTF_8.decode(bytes.as_slice(), DecodeReplace).unwrap();
-                        result_vec.push(JSFile {
-                            data: decoded.to_string(),
-                            url: Some(metadata.final_url),
-                        });
-                    }
-                }
-            }
-            Ok(JSTaskNewInlineScript(data, url)) => {
-                result_vec.push(JSFile { data: data, url: url });
-            }
-            Ok(JSTaskExit) | Err(()) => {
-                break;
-            }
-        }
-    }
-
-    assert!(to_parent.send_opt(HtmlDiscoveredScript(result_vec)).is_ok());
-}
-
-// Parses an RFC 2616 compliant date/time string, and returns a localized
-// date/time string in a format suitable for document.lastModified.
-fn parse_last_modified(timestamp: &str) -> String {
-    let format = "%m/%d/%Y %H:%M:%S";
-
-    // RFC 822, updated by RFC 1123
-    match time::strptime(timestamp, "%a, %d %b %Y %T %Z") {
-        Ok(t) => return t.to_local().strftime(format),
-        Err(_) => ()
-    }
-
-    // RFC 850, obsoleted by RFC 1036
-    match time::strptime(timestamp, "%A, %d-%b-%y %T %Z") {
-        Ok(t) => return t.to_local().strftime(format),
-        Err(_) => ()
-    }
-
-    // ANSI C's asctime() format
-    match time::strptime(timestamp, "%c") {
-        Ok(t) => t.to_local().strftime(format),
-        Err(_) => String::from_str("")
-    }
-}
-
-// Silly macros to handle constructing      DOM nodes. This produces bad code and should be optimized
-// via atomization (issue #85).
-
-pub fn build_element_from_tag(tag: DOMString, ns: Namespace, prefix: Option<DOMString>, document: JSRef<Document>) -> Temporary<Element> {
-    if ns != ns!(HTML) {
-        return Element::new(tag, ns, prefix, document);
-    }
-
-    // TODO (Issue #85): use atoms
-    handle_element!(document, tag, prefix, "a",         HTMLAnchorElement);
-    handle_element!(document, tag, prefix, "abbr",      HTMLElement);
-    handle_element!(document, tag, prefix, "acronym",   HTMLElement);
-    handle_element!(document, tag, prefix, "address",   HTMLElement);
-    handle_element!(document, tag, prefix, "applet",    HTMLAppletElement);
-    handle_element!(document, tag, prefix, "area",      HTMLAreaElement);
-    handle_element!(document, tag, prefix, "article",   HTMLElement);
-    handle_element!(document, tag, prefix, "aside",     HTMLElement);
-    handle_element!(document, tag, prefix, "audio",     HTMLAudioElement);
-    handle_element!(document, tag, prefix, "b",         HTMLElement);
-    handle_element!(document, tag, prefix, "base",      HTMLBaseElement);
-    handle_element!(document, tag, prefix, "bdi",       HTMLElement);
-    handle_element!(document, tag, prefix, "bdo",       HTMLElement);
-    handle_element!(document, tag, prefix, "bgsound",   HTMLElement);
-    handle_element!(document, tag, prefix, "big",       HTMLElement);
-    handle_element!(document, tag, prefix, "blockquote",HTMLElement);
-    handle_element!(document, tag, prefix, "body",      HTMLBodyElement);
-    handle_element!(document, tag, prefix, "br",        HTMLBRElement);
-    handle_element!(document, tag, prefix, "button",    HTMLButtonElement);
-    handle_element!(document, tag, prefix, "canvas",    HTMLCanvasElement);
-    handle_element!(document, tag, prefix, "caption",   HTMLTableCaptionElement);
-    handle_element!(document, tag, prefix, "center",    HTMLElement);
-    handle_element!(document, tag, prefix, "cite",      HTMLElement);
-    handle_element!(document, tag, prefix, "code",      HTMLElement);
-    handle_element!(document, tag, prefix, "col",       HTMLTableColElement);
-    handle_element!(document, tag, prefix, "colgroup",  HTMLTableColElement);
-    handle_element!(document, tag, prefix, "data",      HTMLDataElement);
-    handle_element!(document, tag, prefix, "datalist",  HTMLDataListElement);
-    handle_element!(document, tag, prefix, "dd",        HTMLElement);
-    handle_element!(document, tag, prefix, "del",       HTMLModElement);
-    handle_element!(document, tag, prefix, "details",   HTMLElement);
-    handle_element!(document, tag, prefix, "dfn",       HTMLElement);
-    handle_element!(document, tag, prefix, "dir",       HTMLDirectoryElement);
-    handle_element!(document, tag, prefix, "div",       HTMLDivElement);
-    handle_element!(document, tag, prefix, "dl",        HTMLDListElement);
-    handle_element!(document, tag, prefix, "dt",        HTMLElement);
-    handle_element!(document, tag, prefix, "em",        HTMLElement);
-    handle_element!(document, tag, prefix, "embed",     HTMLEmbedElement);
-    handle_element!(document, tag, prefix, "fieldset",  HTMLFieldSetElement);
-    handle_element!(document, tag, prefix, "figcaption",HTMLElement);
-    handle_element!(document, tag, prefix, "figure",    HTMLElement);
-    handle_element!(document, tag, prefix, "font",      HTMLFontElement);
-    handle_element!(document, tag, prefix, "footer",    HTMLElement);
-    handle_element!(document, tag, prefix, "form",      HTMLFormElement);
-    handle_element!(document, tag, prefix, "frame",     HTMLFrameElement);
-    handle_element!(document, tag, prefix, "frameset",  HTMLFrameSetElement);
-    handle_element!(document, tag, prefix, "h1",        HTMLHeadingElement, Heading1);
-    handle_element!(document, tag, prefix, "h2",        HTMLHeadingElement, Heading2);
-    handle_element!(document, tag, prefix, "h3",        HTMLHeadingElement, Heading3);
-    handle_element!(document, tag, prefix, "h4",        HTMLHeadingElement, Heading4);
-    handle_element!(document, tag, prefix, "h5",        HTMLHeadingElement, Heading5);
-    handle_element!(document, tag, prefix, "h6",        HTMLHeadingElement, Heading6);
-    handle_element!(document, tag, prefix, "head",      HTMLHeadElement);
-    handle_element!(document, tag, prefix, "header",    HTMLElement);
-    handle_element!(document, tag, prefix, "hgroup",    HTMLElement);
-    handle_element!(document, tag, prefix, "hr",        HTMLHRElement);
-    handle_element!(document, tag, prefix, "html",      HTMLHtmlElement);
-    handle_element!(document, tag, prefix, "i",         HTMLElement);
-    handle_element!(document, tag, prefix, "iframe",    HTMLIFrameElement);
-    handle_element!(document, tag, prefix, "img",       HTMLImageElement);
-    handle_element!(document, tag, prefix, "input",     HTMLInputElement);
-    handle_element!(document, tag, prefix, "ins",       HTMLModElement);
-    handle_element!(document, tag, prefix, "isindex",   HTMLElement);
-    handle_element!(document, tag, prefix, "kbd",       HTMLElement);
-    handle_element!(document, tag, prefix, "label",     HTMLLabelElement);
-    handle_element!(document, tag, prefix, "legend",    HTMLLegendElement);
-    handle_element!(document, tag, prefix, "li",        HTMLLIElement);
-    handle_element!(document, tag, prefix, "link",      HTMLLinkElement);
-    handle_element!(document, tag, prefix, "main",      HTMLElement);
-    handle_element!(document, tag, prefix, "map",       HTMLMapElement);
-    handle_element!(document, tag, prefix, "mark",      HTMLElement);
-    handle_element!(document, tag, prefix, "marquee",   HTMLElement);
-    handle_element!(document, tag, prefix, "meta",      HTMLMetaElement);
-    handle_element!(document, tag, prefix, "meter",     HTMLMeterElement);
-    handle_element!(document, tag, prefix, "nav",       HTMLElement);
-    handle_element!(document, tag, prefix, "nobr",      HTMLElement);
-    handle_element!(document, tag, prefix, "noframes",  HTMLElement);
-    handle_element!(document, tag, prefix, "noscript",  HTMLElement);
-    handle_element!(document, tag, prefix, "object",    HTMLObjectElement);
-    handle_element!(document, tag, prefix, "ol",        HTMLOListElement);
-    handle_element!(document, tag, prefix, "optgroup",  HTMLOptGroupElement);
-    handle_element!(document, tag, prefix, "option",    HTMLOptionElement);
-    handle_element!(document, tag, prefix, "output",    HTMLOutputElement);
-    handle_element!(document, tag, prefix, "p",         HTMLParagraphElement);
-    handle_element!(document, tag, prefix, "param",     HTMLParamElement);
-    handle_element!(document, tag, prefix, "pre",       HTMLPreElement);
-    handle_element!(document, tag, prefix, "progress",  HTMLProgressElement);
-    handle_element!(document, tag, prefix, "q",         HTMLQuoteElement);
-    handle_element!(document, tag, prefix, "rp",        HTMLElement);
-    handle_element!(document, tag, prefix, "rt",        HTMLElement);
-    handle_element!(document, tag, prefix, "ruby",      HTMLElement);
-    handle_element!(document, tag, prefix, "s",         HTMLElement);
-    handle_element!(document, tag, prefix, "samp",      HTMLElement);
-    handle_element!(document, tag, prefix, "script",    HTMLScriptElement);
-    handle_element!(document, tag, prefix, "section",   HTMLElement);
-    handle_element!(document, tag, prefix, "select",    HTMLSelectElement);
-    handle_element!(document, tag, prefix, "small",     HTMLElement);
-    handle_element!(document, tag, prefix, "source",    HTMLSourceElement);
-    handle_element!(document, tag, prefix, "spacer",    HTMLElement);
-    handle_element!(document, tag, prefix, "span",      HTMLSpanElement);
-    handle_element!(document, tag, prefix, "strike",    HTMLElement);
-    handle_element!(document, tag, prefix, "strong",    HTMLElement);
-    handle_element!(document, tag, prefix, "style",     HTMLStyleElement);
-    handle_element!(document, tag, prefix, "sub",       HTMLElement);
-    handle_element!(document, tag, prefix, "summary",   HTMLElement);
-    handle_element!(document, tag, prefix, "sup",       HTMLElement);
-    handle_element!(document, tag, prefix, "table",     HTMLTableElement);
-    handle_element!(document, tag, prefix, "tbody",     HTMLTableSectionElement);
-    handle_element!(document, tag, prefix, "td",        HTMLTableDataCellElement);
-    handle_element!(document, tag, prefix, "template",  HTMLTemplateElement);
-    handle_element!(document, tag, prefix, "textarea",  HTMLTextAreaElement);
-    handle_element!(document, tag, prefix, "th",        HTMLTableHeaderCellElement);
-    handle_element!(document, tag, prefix, "time",      HTMLTimeElement);
-    handle_element!(document, tag, prefix, "title",     HTMLTitleElement);
-    handle_element!(document, tag, prefix, "tr",        HTMLTableRowElement);
-    handle_element!(document, tag, prefix, "tt",        HTMLElement);
-    handle_element!(document, tag, prefix, "track",     HTMLTrackElement);
-    handle_element!(document, tag, prefix, "u",         HTMLElement);
-    handle_element!(document, tag, prefix, "ul",        HTMLUListElement);
-    handle_element!(document, tag, prefix, "var",       HTMLElement);
-    handle_element!(document, tag, prefix, "video",     HTMLVideoElement);
-    handle_element!(document, tag, prefix, "wbr",       HTMLElement);
-
-    return ElementCast::from_temporary(HTMLUnknownElement::new(tag, prefix, document));
-}
-
-// The url from msg_load_data is ignored here
-pub fn parse_html(page: &Page,
-                  document: JSRef<Document>,
-                  input: HTMLInput,
-                  resource_task: ResourceTask,
-                  msg_load_data: Option<MsgLoadData>)
-                  -> HtmlParserResult {
-    debug!("Hubbub: parsing {:?}", input);
-
-    // Spawn a JS parser to receive JavaScript.
-    let (discovery_chan, discovery_port) = channel();
-    let resource_task2 = resource_task.clone();
-    let js_result_chan = discovery_chan.clone();
-    let (js_chan, js_msg_port) = channel();
-    spawn_named("parse_html:js", proc() {
-        js_script_listener(js_result_chan, js_msg_port, resource_task2.clone());
-    });
-
-    let (base_url, load_response) = match input {
-        InputUrl(ref url) => {
-            // Wait for the LoadResponse so that the parser knows the final URL.
-            let (input_chan, input_port) = channel();
-            let mut load_data = LoadData::new(url.clone());
-            msg_load_data.map(|m| {
-                load_data.headers = m.headers;
-                load_data.method = m.method;
-                load_data.data = m.data;
-            });
-            resource_task.send(Load(load_data, input_chan));
-
-            let load_response = input_port.recv();
-
-            debug!("Fetched page; metadata is {:?}", load_response.metadata);
-
-            load_response.metadata.headers.as_ref().map(|headers| {
-                let header = headers.iter().find(|h|
-                    h.header_name().as_slice().to_ascii_lower() == "last-modified".to_string()
-                );
-
-                match header {
-                    Some(h) => document.set_last_modified(
-                        parse_last_modified(h.header_value().as_slice())),
-                    None => {},
-                };
-            });
-
-            let base_url = load_response.metadata.final_url.clone();
-
-            {
-                // Store the final URL before we start parsing, so that DOM routines
-                // (e.g. HTMLImageElement::update_image) can resolve relative URLs
-                // correctly.
-                *page.mut_url() = Some((base_url.clone(), true));
-            }
-
-            (Some(base_url), Some(load_response))
-        },
-        InputString(_) => {
-            match *page.url() {
-                Some((ref page_url, _)) => (Some(page_url.clone()), None),
-                None => (None, None),
-            }
-        },
-    };
-
-    let mut parser = build_parser(unsafe { document.to_hubbub_node() });
-    debug!("created parser");
-
-    let js_chan2 = js_chan.clone();
-
-    let doc_cell = RefCell::new(document);
-
-    let mut tree_handler = hubbub::TreeHandler {
-        create_comment: |data: String| {
-            debug!("create comment");
-            // NOTE: tmp vars are workaround for lifetime issues. Both required.
-            let tmp_borrow = doc_cell.borrow();
-            let tmp = &*tmp_borrow;
-            let comment = Comment::new(data, *tmp).root();
-            let comment: JSRef<Node> = NodeCast::from_ref(*comment);
-            unsafe { comment.to_hubbub_node() }
-        },
-        create_doctype: |box hubbub::Doctype { name: name, public_id: public_id, system_id: system_id, ..}: Box<hubbub::Doctype>| {
-            debug!("create doctype");
-            // NOTE: tmp vars are workaround for lifetime issues. Both required.
-            let tmp_borrow = doc_cell.borrow();
-            let tmp = &*tmp_borrow;
-            let doctype_node = DocumentType::new(name, public_id, system_id, *tmp).root();
-            unsafe {
-                doctype_node.to_hubbub_node()
-            }
-        },
-        create_element: |tag: Box<hubbub::Tag>| {
-            debug!("create element {}", tag.name);
-            // NOTE: tmp vars are workaround for lifetime issues. Both required.
-            let tmp_borrow = doc_cell.borrow();
-            let tmp = &*tmp_borrow;
-            let namespace = match tag.ns {
-                HtmlNs => ns!(HTML),
-                MathMlNs => ns!(MathML),
-                SvgNs => ns!(SVG),
-                ns => fail!("Not expecting namespace {:?}", ns),
-            };
-            let element: Root<Element> = build_element_from_tag(tag.name.clone(), namespace, None, *tmp).root();
-
-            debug!("-- attach attrs");
-            for attr in tag.attributes.iter() {
-                let (namespace, prefix) = match attr.ns {
-                    NullNs => (ns!(""), None),
-                    XLinkNs => (ns!(XLink), Some("xlink")),
-                    XmlNs => (ns!(XML), Some("xml")),
-                    XmlNsNs => (ns!(XMLNS), Some("xmlns")),
-                    ns => fail!("Not expecting namespace {:?}", ns),
-                };
-                element.set_attribute_from_parser(Atom::from_slice(attr.name.as_slice()),
-                                                  attr.value.clone(),
-                                                  namespace,
-                                                  prefix.map(|p| p.to_string()));
-            }
-
-            unsafe { element.to_hubbub_node() }
-        },
-        create_text: |data: String| {
-            debug!("create text");
-            // NOTE: tmp vars are workaround for lifetime issues. Both required.
-            let tmp_borrow = doc_cell.borrow();
-            let tmp = &*tmp_borrow;
-            let text = Text::new(data, *tmp).root();
-            unsafe { text.to_hubbub_node() }
-        },
-        ref_node: |_| {},
-        unref_node: |_| {},
-        append_child: |parent: hubbub::NodeDataPtr, child: hubbub::NodeDataPtr| {
-            unsafe {
-                debug!("append child {:x} {:x}", parent, child);
-                let child: Root<Node> = from_hubbub_node(child).root();
-                let parent: Root<Node> = from_hubbub_node(parent).root();
-                assert!(parent.AppendChild(*child).is_ok());
-            }
-            child
-        },
-        insert_before: |_parent, _child| {
-            debug!("insert before");
-            0u
-        },
-        remove_child: |_parent, _child| {
-            debug!("remove child");
-            0u
-        },
-        clone_node: |_node, deep| {
-            debug!("clone node");
-            if deep { error!("-- deep clone unimplemented"); }
-            fail!("clone node unimplemented")
-        },
-        reparent_children: |_node, _new_parent| {
-            debug!("reparent children");
-            0u
-        },
-        get_parent: |_node, _element_only| {
-            debug!("get parent");
-            0u
-        },
-        has_children: |_node| {
-            debug!("has children");
-            false
-        },
-        form_associate: |_form, _node| {
-            debug!("form associate");
-        },
-        add_attributes: |_node, _attributes| {
-            debug!("add attributes");
-        },
-        set_quirks_mode: |mode| {
-            debug!("set quirks mode");
-            // NOTE: tmp vars are workaround for lifetime issues. Both required.
-            let tmp_borrow = doc_cell.borrow_mut();
-            let tmp = &*tmp_borrow;
-            tmp.set_quirks_mode(mode);
-        },
-        encoding_change: |encname| {
-            debug!("encoding change");
-            // NOTE: tmp vars are workaround for lifetime issues. Both required.
-            let tmp_borrow = doc_cell.borrow_mut();
-            let tmp = &*tmp_borrow;
-            tmp.set_encoding_name(encname);
-        },
-        complete_script: |script| {
-            unsafe {
-                let script = from_hubbub_node::<Node>(script).root();
-                let script: Option<JSRef<HTMLScriptElement>> =
-                    HTMLScriptElementCast::to_ref(*script);
-                let script = match script {
-                    Some(script) if script.is_javascript() => script,
-                    _ => return,
-                };
-
-                let script_element: JSRef<Element> = ElementCast::from_ref(script);
-                match script_element.get_attribute(ns!(""), &atom!("src")).root() {
-                    Some(src) => {
-                        debug!("found script: {:s}", src.Value());
-                        let mut url_parser = UrlParser::new();
-                        match base_url {
-                            None => (),
-                            Some(ref base_url) => {
-                                url_parser.base_url(base_url);
-                            }
-                        };
-                        match url_parser.parse(src.value().as_slice()) {
-                            Ok(new_url) => js_chan2.send(JSTaskNewFile(new_url)),
-                            Err(e) => debug!("Parsing url {:s} failed: {:?}", src.Value(), e)
-                        };
-                    }
-                    None => {
-                        let mut data = String::new();
-                        let scriptnode: JSRef<Node> = NodeCast::from_ref(script);
-                        debug!("iterating over children {:?}", scriptnode.first_child());
-                        for child in scriptnode.children() {
-                            debug!("child = {:?}", child);
-                            let text: JSRef<Text> = TextCast::to_ref(child).unwrap();
-                            data.push_str(text.characterdata().data().as_slice());
-                        }
-
-                        debug!("script data = {:?}", data);
-                        js_chan2.send(JSTaskNewInlineScript(data, base_url.clone()));
-                    }
-                }
-            }
-            debug!("complete script");
-        },
-        complete_style: |_| {
-            // style parsing is handled in element::notify_child_list_changed.
-        },
-    };
-    parser.set_tree_handler(&mut tree_handler);
-    debug!("set tree handler");
-    debug!("loaded page");
-    match input {
-        InputString(s) => {
-            parser.parse_chunk(s.into_bytes().as_slice());
-        },
-        InputUrl(url) => {
-            let load_response = load_response.unwrap();
-            match load_response.metadata.content_type {
-                Some((ref t, _)) if t.as_slice().eq_ignore_ascii_case("image") => {
-                    let page = format!("<html><body><img src='{:s}' /></body></html>", base_url.as_ref().unwrap().serialize());
-                    parser.parse_chunk(page.into_bytes().as_slice());
-                },
-                _ => loop {
-                    match load_response.progress_port.recv() {
-                        Payload(data) => {
-                            debug!("received data");
-                            parser.parse_chunk(data.as_slice());
-                        }
-                        Done(Err(err)) => {
-                            fail!("Failed to load page URL {:s}, error: {:s}", url.serialize(), err);
-                        }
-                        Done(..) => {
-                            break;
-                        }
-                    }
-                }
-            }
-        },
-    }
-
-    debug!("finished parsing");
-    js_chan.send(JSTaskExit);
-
-    HtmlParserResult {
-        discovery_port: discovery_port,
-    }
-}
-
-fn build_parser<'a>(node: hubbub::NodeDataPtr) -> hubbub::Parser<'a> {
-    let mut parser = hubbub::Parser::new("UTF-8", false);
-    parser.set_document_node(node);
-    parser.enable_scripting(true);
-    parser.enable_styling(true);
-    parser
-}
-