forked from mirrors/gecko-dev
d75b7c4932
@nox r? Source-Repo: https://github.com/servo/servo Source-Revision: 4f3ed209bc9ddb855bfe36d7194c6e442079028a
122 lines
4.2 KiB
Rust
122 lines
4.2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#![allow(unrooted_must_root)]
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use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
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use dom::bindings::inheritance::Castable;
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use dom::bindings::js::{JS, Root, RootedReference};
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use dom::comment::Comment;
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use dom::document::Document;
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use dom::documenttype::DocumentType;
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use dom::element::{Element, ElementCreator};
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use dom::node::Node;
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use dom::processinginstruction::ProcessingInstruction;
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use dom::servoxmlparser;
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use dom::servoxmlparser::ServoXMLParser;
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use dom::text::Text;
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use msg::constellation_msg::PipelineId;
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use parse::Parser;
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use std::borrow::Cow;
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use string_cache::{Atom, QualName, Namespace};
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use url::Url;
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use util::str::DOMString;
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use xml5ever::tendril::StrTendril;
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use xml5ever::tokenizer::{Attribute, QName};
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use xml5ever::tree_builder::{NodeOrText, TreeSink};
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impl<'a> TreeSink for servoxmlparser::Sink {
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type Handle = JS<Node>;
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fn parse_error(&mut self, msg: Cow<'static, str>) {
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debug!("Parse error: {}", msg);
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}
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fn get_document(&mut self) -> JS<Node> {
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JS::from_ref(self.document.upcast())
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}
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fn elem_name(&self, target: &JS<Node>) -> QName {
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let elem = target.downcast::<Element>()
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.expect("tried to get name of non-Element in XML parsing");
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QName {
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prefix: elem.prefix().as_ref().map_or(atom!(""), |p| Atom::from(&**p)),
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namespace_url: elem.namespace().0.clone(),
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local: elem.local_name().clone(),
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}
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}
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fn create_element(&mut self, name: QName, attrs: Vec<Attribute>)
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-> JS<Node> {
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let prefix = if name.prefix == atom!("") { None } else { Some(name.prefix) };
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let name = QualName {
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ns: Namespace(name.namespace_url),
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local: name.local,
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};
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let elem = Element::create(name, prefix, &*self.document,
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ElementCreator::ParserCreated);
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for attr in attrs {
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let name = QualName {
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ns: Namespace(attr.name.namespace_url),
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local: attr.name.local,
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};
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elem.set_attribute_from_parser(name, DOMString::from(String::from(attr.value)), None);
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}
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JS::from_ref(elem.upcast())
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}
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fn create_comment(&mut self, text: StrTendril) -> JS<Node> {
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let comment = Comment::new(DOMString::from(String::from(text)), &*self.document);
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JS::from_ref(comment.upcast())
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}
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fn append(&mut self, parent: JS<Node>, child: NodeOrText<JS<Node>>) {
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let child = match child {
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NodeOrText::AppendNode(n) => Root::from_ref(&*n),
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NodeOrText::AppendText(t) => {
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let s: String = t.into();
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let text = Text::new(DOMString::from(s), &self.document);
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Root::upcast(text)
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}
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};
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assert!(parent.AppendChild(child.r()).is_ok());
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}
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fn append_doctype_to_document(&mut self, name: StrTendril, public_id: StrTendril,
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system_id: StrTendril) {
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let doc = &*self.document;
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let doctype = DocumentType::new(
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DOMString::from(String::from(name)), Some(DOMString::from(String::from(public_id))),
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Some(DOMString::from(String::from(system_id))), doc);
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doc.upcast::<Node>().AppendChild(doctype.upcast()).expect("Appending failed");
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}
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fn create_pi(&mut self, target: StrTendril, data: StrTendril) -> JS<Node> {
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let doc = &*self.document;
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let pi = ProcessingInstruction::new(
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DOMString::from(String::from(target)), DOMString::from(String::from(data)),
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doc);
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JS::from_ref(pi.upcast())
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}
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}
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pub enum ParseContext {
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Owner(Option<PipelineId>)
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}
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pub fn parse_xml(document: &Document,
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input: DOMString,
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url: Url,
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context: ParseContext) {
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let parser = match context {
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ParseContext::Owner(owner) =>
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ServoXMLParser::new(Some(url), document, owner),
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};
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parser.parse_chunk(String::from(input));
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}
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