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Cargoify servo
This commit is contained in:
Jack Moffitt
parent
db2f642c32
commit
c6ab60dbfc
1761 changed files with 8423 additions and 2294 deletions
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/* 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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use dom::attr::Attr;
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use dom::bindings::codegen::InheritTypes::{ElementCast, TextCast, CommentCast, NodeCast};
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use dom::bindings::codegen::InheritTypes::{DocumentTypeCast, CharacterDataCast};
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use dom::bindings::codegen::InheritTypes::ProcessingInstructionCast;
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use dom::bindings::js::JSRef;
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use dom::characterdata::CharacterData;
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use dom::comment::Comment;
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use dom::documenttype::DocumentType;
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use dom::element::Element;
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use dom::node::{Node, NodeIterator};
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use dom::node::{DoctypeNodeTypeId, DocumentFragmentNodeTypeId, CommentNodeTypeId};
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use dom::node::{DocumentNodeTypeId, ElementNodeTypeId, ProcessingInstructionNodeTypeId};
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use dom::node::{TextNodeTypeId, NodeHelpers};
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use dom::processinginstruction::ProcessingInstruction;
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use dom::text::Text;
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use servo_util::atom::Atom;
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use servo_util::namespace;
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pub fn serialize(iterator: &mut NodeIterator) -> String {
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let mut html = String::new();
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let mut open_elements: Vec<String> = vec!();
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let depth = iterator.depth;
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for node in *iterator {
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while open_elements.len() > depth {
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html.push_str("</");
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html.push_str(open_elements.pop().unwrap().as_slice());
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html.push_str(">");
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}
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match node.type_id() {
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ElementNodeTypeId(..) => {
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let elem: &JSRef<Element> = ElementCast::to_ref(&node).unwrap();
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serialize_elem(elem, &mut open_elements, &mut html)
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}
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CommentNodeTypeId => {
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let comment: &JSRef<Comment> = CommentCast::to_ref(&node).unwrap();
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serialize_comment(comment, &mut html)
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}
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TextNodeTypeId => {
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let text: &JSRef<Text> = TextCast::to_ref(&node).unwrap();
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serialize_text(text, &mut html)
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}
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DoctypeNodeTypeId => {
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let doctype: &JSRef<DocumentType> = DocumentTypeCast::to_ref(&node).unwrap();
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serialize_doctype(doctype, &mut html)
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}
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ProcessingInstructionNodeTypeId => {
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let processing_instruction: &JSRef<ProcessingInstruction> =
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ProcessingInstructionCast::to_ref(&node).unwrap();
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serialize_processing_instruction(processing_instruction, &mut html)
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}
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DocumentFragmentNodeTypeId => {}
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DocumentNodeTypeId => {
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fail!("It shouldn't be possible to serialize a document node")
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}
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}
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}
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while open_elements.len() > 0 {
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html.push_str("</");
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html.push_str(open_elements.pop().unwrap().as_slice());
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html.push_str(">");
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}
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html
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}
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fn serialize_comment(comment: &JSRef<Comment>, html: &mut String) {
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html.push_str("<!--");
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html.push_str(comment.deref().characterdata.data.deref().borrow().as_slice());
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html.push_str("-->");
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}
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fn serialize_text(text: &JSRef<Text>, html: &mut String) {
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let text_node: &JSRef<Node> = NodeCast::from_ref(text);
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match text_node.parent_node().map(|node| node.root()) {
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Some(ref parent) if parent.is_element() => {
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let elem: &JSRef<Element> = ElementCast::to_ref(&**parent).unwrap();
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match elem.deref().local_name.as_slice() {
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"style" | "script" | "xmp" | "iframe" |
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"noembed" | "noframes" | "plaintext" |
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"noscript" if elem.deref().namespace == namespace::HTML
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=> html.push_str(text.deref().characterdata.data.deref().borrow().as_slice()),
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_ => escape(text.deref().characterdata.data.deref().borrow().as_slice(), false, html)
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}
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}
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_ => escape(text.deref().characterdata.data.deref().borrow().as_slice(), false, html)
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}
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}
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fn serialize_processing_instruction(processing_instruction: &JSRef<ProcessingInstruction>,
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html: &mut String) {
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html.push_str("<?");
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html.push_str(processing_instruction.deref().target.as_slice());
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html.push_char(' ');
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html.push_str(processing_instruction.deref().characterdata.data.deref().borrow().as_slice());
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html.push_str("?>");
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}
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fn serialize_doctype(doctype: &JSRef<DocumentType>, html: &mut String) {
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html.push_str("<!DOCTYPE");
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html.push_str(doctype.deref().name.as_slice());
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html.push_char('>');
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}
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fn serialize_elem(elem: &JSRef<Element>, open_elements: &mut Vec<String>, html: &mut String) {
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html.push_char('<');
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html.push_str(elem.deref().local_name.as_slice());
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for attr in elem.deref().attrs.borrow().iter() {
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let attr = attr.root();
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serialize_attr(&*attr, html);
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};
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html.push_char('>');
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match elem.deref().local_name.as_slice() {
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"pre" | "listing" | "textarea" if elem.deref().namespace == namespace::HTML => {
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let node: &JSRef<Node> = NodeCast::from_ref(elem);
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match node.first_child().map(|child| child.root()) {
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Some(ref child) if child.is_text() => {
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let text: &JSRef<CharacterData> = CharacterDataCast::to_ref(&**child).unwrap();
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if text.deref().data.deref().borrow().len() > 0 && text.deref().data.deref().borrow().as_slice().char_at(0) == '\n' {
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html.push_char('\x0A');
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}
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},
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_ => {}
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}
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},
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_ => {}
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}
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if !elem.deref().is_void() {
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open_elements.push(elem.deref().local_name.as_slice().to_string());
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}
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}
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fn serialize_attr(attr: &JSRef<Attr>, html: &mut String) {
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html.push_char(' ');
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if attr.deref().namespace == namespace::XML {
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html.push_str("xml:");
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html.push_str(attr.local_name().as_slice());
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} else if attr.deref().namespace == namespace::XMLNS &&
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*attr.local_name() == Atom::from_slice("xmlns") {
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html.push_str("xmlns");
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} else if attr.deref().namespace == namespace::XMLNS {
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html.push_str("xmlns:");
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html.push_str(attr.local_name().as_slice());
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} else if attr.deref().namespace == namespace::XLink {
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html.push_str("xlink:");
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html.push_str(attr.local_name().as_slice());
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} else {
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html.push_str(attr.deref().name.as_slice());
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};
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html.push_str("=\"");
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escape(attr.deref().value().as_slice(), true, html);
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html.push_char('"');
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}
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fn escape(string: &str, attr_mode: bool, html: &mut String) {
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for c in string.chars() {
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match c {
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'&' => html.push_str("&"),
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'\xA0' => html.push_str(" "),
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'"' if attr_mode => html.push_str("""),
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'<' if !attr_mode => html.push_str("<"),
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'>' if !attr_mode => html.push_str(">"),
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c => html.push_char(c),
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}
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}
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}
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