Create and invoke XML parser for XML documents.

components/script/dom/servohtmlparser.rs

@@ -268,7 +268,10 @@ impl AsyncResponseListener for ParserContext {
         let parser = parser.r();
         let win = parser.window();
         self.parser = Some(match parser {
-            ParserRef::HTML(parser) => TrustedParser::HTML(Trusted::new(win.get_cx(), parser, self.script_chan.clone())),
+            ParserRef::HTML(parser) => TrustedParser::HTML(
+                                        Trusted::new(win.get_cx(),
+                                        parser,
+                                        self.script_chan.clone())),
             ParserRef::XML(parser) => TrustedParser::XML(Trusted::new(win.get_cx(), parser, self.script_chan.clone())),
         });
 
@@ -288,6 +291,7 @@ impl AsyncResponseListener for ParserContext {
                 parser.set_plaintext_state();
             },
             Some(ContentType(Mime(TopLevel::Text, SubLevel::Html, _))) => {}, // Handle text/html
+            Some(ContentType(Mime(TopLevel::Text, SubLevel::Xml, _))) => {}, // Handle text/xml
             Some(ContentType(Mime(toplevel, sublevel, _))) => {
                 if toplevel.as_str() == "application" && sublevel.as_str() == "xhtml+xml" {
                     // Handle xhtml (application/xhtml+xml).

components/script/dom/servoxmlparser.rs

@@ -3,8 +3,10 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 use dom::bindings::cell::DOMRefCell;
+use dom::bindings::codegen::Bindings::ServoXMLParserBinding;
+use dom::bindings::global::GlobalRef;
 use dom::bindings::js::{JS, Root};
-use dom::bindings::reflector::Reflector;
+use dom::bindings::reflector::{Reflector, reflect_dom_object};
 use dom::bindings::trace::JSTraceable;
 use dom::document::Document;
 use dom::node::Node;
@@ -87,7 +89,30 @@ impl<'a> Parser for &'a ServoXMLParser {
 }
 
 impl ServoXMLParser {
-    pub fn new() {
+    #[allow(unrooted_must_root)]
+    pub fn new(base_url: Option<Url>, document: &Document, pipeline: Option<PipelineId>)
+               -> Root<ServoXMLParser> {
+        let sink = Sink {
+            base_url: base_url,
+            document: JS::from_ref(document),
+        };
+
+        let tb = XmlTreeBuilder::new(sink);
+
+        let tok = tokenizer::XmlTokenizer::new(tb, Default::default());
+
+        let parser = ServoXMLParser {
+            reflector_: Reflector::new(),
+            tokenizer: DOMRefCell::new(tok),
+            pending_input: DOMRefCell::new(vec!()),
+            document: JS::from_ref(document),
+            suspended: Cell::new(false),
+            last_chunk_received: Cell::new(false),
+            pipeline: pipeline,
+        };
+
+        reflect_dom_object(box parser, GlobalRef::Window(document.window()),
+                           ServoXMLParserBinding::Wrap)
     }
 
     pub fn window(&self) -> &Window {
@@ -95,19 +120,44 @@ impl ServoXMLParser {
     }
 
     pub fn resume(&self) {
-        panic!()
+        assert!(self.suspended.get());
+        self.suspended.set(false);
+        self.parse_sync();
     }
 
     pub fn suspend(&self) {
-        panic!()
+        assert!(!self.suspended.get());
+        self.suspended.set(true);
     }
 
     pub fn is_suspended(&self) -> bool {
-        panic!()
+        self.suspended.get()
     }
 
     pub fn parse_sync(&self) {
-        panic!()
+        // This parser will continue to parse while there is either pending input or
+        // the parser remains unsuspended.
+        loop {
+           self.document.reflow_if_reflow_timer_expired();
+            let mut pending_input = self.pending_input.borrow_mut();
+            if !pending_input.is_empty() {
+                let chunk = pending_input.remove(0);
+                self.tokenizer.borrow_mut().feed(chunk.into());
+            }
+
+            // Document parsing is blocked on an external resource.
+            if self.suspended.get() {
+                return;
+            }
+
+            if pending_input.is_empty() {
+                break;
+            }
+        }
+
+        if self.last_chunk_received.get() {
+            self.finish();
+        }
     }
 
     pub fn pending_input(&self) -> &DOMRefCell<Vec<String>> {

components/script/parse/xml.rs

@@ -6,7 +6,7 @@
 
 use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use dom::bindings::inheritance::Castable;
-use dom::bindings::js::{JS, RootedReference};
+use dom::bindings::js::{JS, Root, RootedReference};
 use dom::comment::Comment;
 use dom::document::Document;
 use dom::documenttype::DocumentType;
@@ -14,7 +14,10 @@ use dom::element::{Element, ElementCreator};
 use dom::node::Node;
 use dom::processinginstruction::ProcessingInstruction;
 use dom::servoxmlparser;
+use dom::servoxmlparser::ServoXMLParser;
+use dom::text::Text;
 use msg::constellation_msg::PipelineId;
+use parse::Parser;
 use std::borrow::Cow;
 use string_cache::QualName;
 use tendril::StrTendril;
@@ -61,8 +64,14 @@ impl<'a> TreeSink for servoxmlparser::Sink {
     }
 
     fn append(&mut self, parent: JS<Node>, child: NodeOrText<JS<Node>>) {
-        let child = self.get_or_create(child);
-
+        let child = match child {
+            NodeOrText::AppendNode(n) => Root::from_ref(&*n),
+            NodeOrText::AppendText(t) => {
+                let s: String = t.into();
+                let text = Text::new(DOMString::from(s), &self.document);
+                Root::upcast(text)
+            }
+        };
         assert!(parent.AppendChild(child.r()).is_ok());
     }
 
@@ -90,8 +99,14 @@ pub enum ParseContext {
 }
 
 
-pub fn parse_xml(_document: &Document,
-                 _input: DOMString,
-                 _url: Url,
-                 _context: ParseContext) {
+pub fn parse_xml(document: &Document,
+                 input: DOMString,
+                 url: Url,
+                 context: ParseContext) {
+    let parser = match context {
+        ParseContext::Owner(owner) =>
+            ServoXMLParser::new(Some(url), document, owner),
+    };
+    parser.parse_chunk(String::from(input));
 }
+

components/script/script_task.rs

@@ -1660,7 +1660,6 @@ impl ScriptTask {
         });
 
         let content_type = match metadata.content_type {
-
             Some(ContentType(Mime(TopLevel::Text, SubLevel::Xml, _))) => {
                 Some(DOMString::from("text/xml"))
             }
@@ -1675,28 +1674,20 @@ impl ScriptTask {
         let loader = DocumentLoader::new_with_task(self.resource_task.clone(),
                                                    Some(page.pipeline()),
                                                    Some(incomplete.url.clone()));
-    let document;
-    match metadata.content_type {
 
-            Some(ContentType(Mime(TopLevel::Text, SubLevel::Xml, _))) => {
-                document = Document::new(window.r(),
-                                     Some(final_url.clone()),
+        let is_html_document = match metadata.content_type {
+            Some(ContentType(Mime(TopLevel::Text, SubLevel::Xml, _))) =>
                 IsHTMLDocument::NonHTMLDocument,
-                                     content_type,
-                                     last_modified,
-                                     DocumentSource::NotFromParser,
-                                     loader);
-            }
-            _ => {
-                document = Document::new(window.r(),
+            _ => IsHTMLDocument::HTMLDocument,
+        };
+
+        let document = Document::new(window.r(),
                                      Some(final_url.clone()),
-                                     IsHTMLDocument::HTMLDocument,
+                                     is_html_document,
                                      content_type,
                                      last_modified,
                                      DocumentSource::FromParser,
                                      loader);
-            }
-    }
 
         let frame_element = frame_element.r().map(Castable::upcast);
         window.init_browsing_context(document.r(), frame_element);
@@ -1738,7 +1729,8 @@ impl ScriptTask {
             unsafe {
                 let mut jsval = RootedValue::new(self.get_cx(), UndefinedValue());
                 window.evaluate_js_on_global_with_result(&script_source, jsval.handle_mut());
-                let strval = DOMString::from_jsval(self.get_cx(), jsval.handle(),
+                let strval = DOMString::from_jsval(self.get_cx(),
+                                                   jsval.handle(),
                                                    StringificationBehavior::Empty);
                 strval.unwrap_or(DOMString::new())
             }
@@ -1747,7 +1739,6 @@ impl ScriptTask {
         };
 
         match metadata.content_type {
-
             Some(ContentType(Mime(TopLevel::Text, SubLevel::Xml, _))) => {
                 parse_xml(document.r(),
                           parse_input,

tests/wpt/metadata/dom/nodes/Document-contentType/contentType/contenttype_mimeheader_01.html.ini

@@ -1,5 +0,0 @@
-[contenttype_mimeheader_01.html]
-  type: testharness
-  [Custom document.contentType === 'text/xml' when explicitly set to this value]
-    expected: FAIL
-