diff options
Diffstat (limited to 'components/script/dom/servoparser/mod.rs')
-rw-r--r-- | components/script/dom/servoparser/mod.rs | 200 |
1 files changed, 195 insertions, 5 deletions
diff --git a/components/script/dom/servoparser/mod.rs b/components/script/dom/servoparser/mod.rs index 3904910d3a3..39c199a34f7 100644 --- a/components/script/dom/servoparser/mod.rs +++ b/components/script/dom/servoparser/mod.rs @@ -6,27 +6,35 @@ use document_loader::{DocumentLoader, LoadType}; use dom::bindings::cell::DOMRefCell; use dom::bindings::codegen::Bindings::DocumentBinding::{DocumentMethods, DocumentReadyState}; use dom::bindings::codegen::Bindings::HTMLImageElementBinding::HTMLImageElementMethods; +use dom::bindings::codegen::Bindings::HTMLTemplateElementBinding::HTMLTemplateElementMethods; use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods; use dom::bindings::codegen::Bindings::ServoParserBinding; use dom::bindings::inheritance::Castable; -use dom::bindings::js::{JS, Root, RootedReference}; +use dom::bindings::js::{JS, MutNullableJS, Root, RootedReference}; use dom::bindings::refcounted::Trusted; use dom::bindings::reflector::{Reflector, reflect_dom_object}; use dom::bindings::str::DOMString; use dom::characterdata::CharacterData; +use dom::comment::Comment; use dom::document::{Document, DocumentSource, HasBrowsingContext, IsHTMLDocument}; -use dom::element::Element; +use dom::documenttype::DocumentType; +use dom::element::{Element, ElementCreator}; use dom::globalscope::GlobalScope; -use dom::htmlformelement::HTMLFormElement; +use dom::htmlformelement::{FormControlElementHelpers, HTMLFormElement}; use dom::htmlimageelement::HTMLImageElement; use dom::htmlscriptelement::{HTMLScriptElement, ScriptResult}; +use dom::htmltemplateelement::HTMLTemplateElement; use dom::node::{Node, NodeSiblingIterator}; +use dom::processinginstruction::ProcessingInstruction; use dom::text::Text; +use dom::virtualmethods::vtable_for; use dom_struct::dom_struct; use encoding::all::UTF_8; use encoding::types::{DecoderTrap, Encoding}; -use html5ever::tokenizer::buffer_queue::BufferQueue; -use html5ever::tree_builder::NodeOrText; +use html5ever::{Attribute, QualName, ExpandedName}; +use html5ever::buffer_queue::BufferQueue; +use html5ever::tendril::StrTendril; +use html5ever::tree_builder::{NodeOrText, TreeSink, NextParserState, QuirksMode, ElementFlags}; use hyper::header::ContentType; use hyper::mime::{Mime, SubLevel, TopLevel}; use hyper_serde::Serde; @@ -40,8 +48,10 @@ use script_traits::DocumentActivity; use servo_config::resource_files::read_resource_file; use servo_url::ServoUrl; use std::ascii::AsciiExt; +use std::borrow::Cow; use std::cell::Cell; use std::mem; +use style::context::QuirksMode as ServoQuirksMode; mod html; mod xml; @@ -671,3 +681,183 @@ fn insert(parent: &Node, reference_child: Option<&Node>, child: NodeOrText<JS<No }, } } + +#[derive(JSTraceable, HeapSizeOf)] +#[must_root] +pub struct Sink { + base_url: ServoUrl, + document: JS<Document>, + current_line: u64, + script: MutNullableJS<HTMLScriptElement>, +} + +#[allow(unrooted_must_root)] // FIXME: really? +impl TreeSink for Sink { + type Output = Self; + fn finish(self) -> Self { self } + + type Handle = JS<Node>; + + fn get_document(&mut self) -> JS<Node> { + JS::from_ref(self.document.upcast()) + } + + fn get_template_contents(&mut self, target: &JS<Node>) -> JS<Node> { + let template = target.downcast::<HTMLTemplateElement>() + .expect("tried to get template contents of non-HTMLTemplateElement in HTML parsing"); + JS::from_ref(template.Content().upcast()) + } + + fn same_node(&self, x: &JS<Node>, y: &JS<Node>) -> bool { + x == y + } + + fn elem_name<'a>(&self, target: &'a JS<Node>) -> ExpandedName<'a> { + let elem = target.downcast::<Element>() + .expect("tried to get name of non-Element in HTML parsing"); + ExpandedName { + ns: elem.namespace(), + local: elem.local_name(), + } + } + + fn same_tree(&self, x: &JS<Node>, y: &JS<Node>) -> bool { + let x = x.downcast::<Element>().expect("Element node expected"); + let y = y.downcast::<Element>().expect("Element node expected"); + + x.is_in_same_home_subtree(y) + } + + fn create_element(&mut self, name: QualName, attrs: Vec<Attribute>, _flags: ElementFlags) + -> JS<Node> { + let elem = Element::create(name, &*self.document, + ElementCreator::ParserCreated(self.current_line)); + + for attr in attrs { + elem.set_attribute_from_parser(attr.name, DOMString::from(String::from(attr.value)), None); + } + + JS::from_ref(elem.upcast()) + } + + fn create_comment(&mut self, text: StrTendril) -> JS<Node> { + let comment = Comment::new(DOMString::from(String::from(text)), &*self.document); + JS::from_ref(comment.upcast()) + } + + fn create_pi(&mut self, target: StrTendril, data: StrTendril) -> JS<Node> { + let doc = &*self.document; + let pi = ProcessingInstruction::new( + DOMString::from(String::from(target)), DOMString::from(String::from(data)), + doc); + JS::from_ref(pi.upcast()) + } + + fn has_parent_node(&self, node: &JS<Node>) -> bool { + node.GetParentNode().is_some() + } + + fn associate_with_form(&mut self, target: &JS<Node>, form: &JS<Node>) { + let node = target; + let form = Root::downcast::<HTMLFormElement>(Root::from_ref(&**form)) + .expect("Owner must be a form element"); + + let elem = node.downcast::<Element>(); + let control = elem.and_then(|e| e.as_maybe_form_control()); + + if let Some(control) = control { + control.set_form_owner_from_parser(&form); + } else { + // TODO remove this code when keygen is implemented. + assert!(node.NodeName() == "KEYGEN", "Unknown form-associatable element"); + } + } + + fn append_before_sibling(&mut self, + sibling: &JS<Node>, + new_node: NodeOrText<JS<Node>>) { + let parent = sibling.GetParentNode() + .expect("append_before_sibling called on node without parent"); + + insert(&parent, Some(&*sibling), new_node); + } + + fn parse_error(&mut self, msg: Cow<'static, str>) { + debug!("Parse error: {}", msg); + } + + fn set_quirks_mode(&mut self, mode: QuirksMode) { + let mode = match mode { + QuirksMode::Quirks => ServoQuirksMode::Quirks, + QuirksMode::LimitedQuirks => ServoQuirksMode::LimitedQuirks, + QuirksMode::NoQuirks => ServoQuirksMode::NoQuirks, + }; + self.document.set_quirks_mode(mode); + } + + fn append(&mut self, parent: &JS<Node>, child: NodeOrText<JS<Node>>) { + insert(&parent, None, child); + } + + fn append_doctype_to_document(&mut self, name: StrTendril, public_id: StrTendril, + system_id: StrTendril) { + let doc = &*self.document; + let doctype = DocumentType::new( + DOMString::from(String::from(name)), Some(DOMString::from(String::from(public_id))), + Some(DOMString::from(String::from(system_id))), doc); + doc.upcast::<Node>().AppendChild(doctype.upcast()).expect("Appending failed"); + } + + fn add_attrs_if_missing(&mut self, target: &JS<Node>, attrs: Vec<Attribute>) { + let elem = target.downcast::<Element>() + .expect("tried to set attrs on non-Element in HTML parsing"); + for attr in attrs { + elem.set_attribute_from_parser(attr.name, DOMString::from(String::from(attr.value)), None); + } + } + + fn remove_from_parent(&mut self, target: &JS<Node>) { + if let Some(ref parent) = target.GetParentNode() { + parent.RemoveChild(&*target).unwrap(); + } + } + + fn mark_script_already_started(&mut self, node: &JS<Node>) { + let script = node.downcast::<HTMLScriptElement>(); + script.map(|script| script.set_already_started(true)); + } + + fn complete_script(&mut self, node: &JS<Node>) -> NextParserState { + if let Some(script) = node.downcast() { + self.script.set(Some(script)); + NextParserState::Suspend + } else { + NextParserState::Continue + } + } + + fn reparent_children(&mut self, node: &JS<Node>, new_parent: &JS<Node>) { + while let Some(ref child) = node.GetFirstChild() { + new_parent.AppendChild(&child).unwrap(); + } + } + + /// https://html.spec.whatwg.org/multipage/#html-integration-point + /// Specifically, the <annotation-xml> cases. + fn is_mathml_annotation_xml_integration_point(&self, handle: &JS<Node>) -> bool { + let elem = handle.downcast::<Element>().unwrap(); + elem.get_attribute(&ns!(), &local_name!("encoding")).map_or(false, |attr| { + attr.value().eq_ignore_ascii_case("text/html") + || attr.value().eq_ignore_ascii_case("application/xhtml+xml") + }) + } + + fn set_current_line(&mut self, line_number: u64) { + self.current_line = line_number; + } + + fn pop(&mut self, node: &JS<Node>) { + let node = Root::from_ref(&**node); + vtable_for(&node).pop(); + } +} |