diff options
Diffstat (limited to 'components/script/dom/htmlserializer.rs')
| -rw-r--r-- | components/script/dom/htmlserializer.rs | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/components/script/dom/htmlserializer.rs b/components/script/dom/htmlserializer.rs deleted file mode 100644 index 9ad6cd77e3b..00000000000 --- a/components/script/dom/htmlserializer.rs +++ /dev/null @@ -1,168 +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::{Attr, AttrHelpers}; -use dom::bindings::codegen::InheritTypes::{ElementCast, TextCast, CommentCast, NodeCast}; -use dom::bindings::codegen::InheritTypes::{DocumentTypeCast, CharacterDataCast}; -use dom::bindings::codegen::InheritTypes::ProcessingInstructionCast; -use dom::bindings::js::JSRef; -use dom::characterdata::CharacterData; -use dom::comment::Comment; -use dom::documenttype::DocumentType; -use dom::element::{Element, ElementHelpers}; -use dom::node::{Node, NodeHelpers, NodeTypeId, NodeIterator}; -use dom::processinginstruction::ProcessingInstruction; -use dom::text::Text; - -use std::borrow::ToOwned; - -#[allow(unrooted_must_root)] -pub fn serialize(iterator: &mut NodeIterator) -> String { - let mut html = String::new(); - let mut open_elements: Vec<String> = vec!(); - while let Some(node) = iterator.next() { - let depth = iterator.depth; - while open_elements.len() > depth { - html.push_str("</"); - html.push_str(open_elements.pop().unwrap().as_slice()); - html.push_str(">"); - } - match node.type_id() { - NodeTypeId::Element(..) => { - let elem: JSRef<Element> = ElementCast::to_ref(node).unwrap(); - serialize_elem(elem, &mut open_elements, &mut html) - } - NodeTypeId::Comment => { - let comment: JSRef<Comment> = CommentCast::to_ref(node).unwrap(); - serialize_comment(comment, &mut html) - } - NodeTypeId::Text => { - let text: JSRef<Text> = TextCast::to_ref(node).unwrap(); - serialize_text(text, &mut html) - } - NodeTypeId::DocumentType => { - let doctype: JSRef<DocumentType> = DocumentTypeCast::to_ref(node).unwrap(); - serialize_doctype(doctype, &mut html) - } - NodeTypeId::ProcessingInstruction => { - let processing_instruction: JSRef<ProcessingInstruction> = - ProcessingInstructionCast::to_ref(node).unwrap(); - serialize_processing_instruction(processing_instruction, &mut html) - } - NodeTypeId::DocumentFragment => {} - NodeTypeId::Document => { - panic!("It shouldn't be possible to serialize a document node") - } - } - } - while open_elements.len() > 0 { - html.push_str("</"); - html.push_str(open_elements.pop().unwrap().as_slice()); - html.push_str(">"); - } - html -} - -fn serialize_comment(comment: JSRef<Comment>, html: &mut String) { - html.push_str("<!--"); - html.push_str(comment.characterdata().data().as_slice()); - html.push_str("-->"); -} - -fn serialize_text(text: JSRef<Text>, html: &mut String) { - let text_node: JSRef<Node> = NodeCast::from_ref(text); - match text_node.parent_node().map(|node| node.root()) { - Some(ref parent) if parent.r().is_element() => { - let elem: JSRef<Element> = ElementCast::to_ref(parent.r()).unwrap(); - match elem.local_name().as_slice() { - "style" | "script" | "xmp" | "iframe" | - "noembed" | "noframes" | "plaintext" | - "noscript" if *elem.namespace() == ns!(HTML) - => html.push_str(text.characterdata().data().as_slice()), - _ => escape(text.characterdata().data().as_slice(), false, html) - } - } - _ => escape(text.characterdata().data().as_slice(), false, html) - } -} - -fn serialize_processing_instruction(processing_instruction: JSRef<ProcessingInstruction>, - html: &mut String) { - html.push_str("<?"); - html.push_str(processing_instruction.target().as_slice()); - html.push(' '); - html.push_str(processing_instruction.characterdata().data().as_slice()); - html.push_str("?>"); -} - -fn serialize_doctype(doctype: JSRef<DocumentType>, html: &mut String) { - html.push_str("<!DOCTYPE"); - html.push_str(doctype.name().as_slice()); - html.push('>'); -} - -fn serialize_elem(elem: JSRef<Element>, open_elements: &mut Vec<String>, html: &mut String) { - html.push('<'); - html.push_str(elem.local_name().as_slice()); - for attr in elem.attrs().iter() { - let attr = attr.root(); - serialize_attr(attr.r(), html); - }; - html.push('>'); - - match elem.local_name().as_slice() { - "pre" | "listing" | "textarea" if *elem.namespace() == ns!(HTML) => { - let node: JSRef<Node> = NodeCast::from_ref(elem); - match node.first_child().map(|child| child.root()) { - Some(ref child) if child.r().is_text() => { - let text: JSRef<CharacterData> = CharacterDataCast::to_ref(child.r()).unwrap(); - if text.data().len() > 0 && text.data().as_slice().char_at(0) == '\n' { - html.push('\x0A'); - } - }, - _ => {} - } - }, - _ => {} - } - - if !(elem.is_void()) { - open_elements.push(elem.local_name().as_slice().to_owned()); - } -} - -fn serialize_attr(attr: JSRef<Attr>, html: &mut String) { - html.push(' '); - if *attr.namespace() == ns!(XML) { - html.push_str("xml:"); - html.push_str(attr.local_name().as_slice()); - } else if *attr.namespace() == ns!(XMLNS) && - *attr.local_name() == atom!("xmlns") { - html.push_str("xmlns"); - } else if *attr.namespace() == ns!(XMLNS) { - html.push_str("xmlns:"); - html.push_str(attr.local_name().as_slice()); - } else if *attr.namespace() == ns!(XLink) { - html.push_str("xlink:"); - html.push_str(attr.local_name().as_slice()); - } else { - html.push_str(attr.name().as_slice()); - }; - html.push_str("=\""); - escape(attr.value().as_slice(), true, html); - html.push('"'); -} - -fn escape(string: &str, attr_mode: bool, html: &mut String) { - for c in string.chars() { - match c { - '&' => html.push_str("&"), - '\u{A0}' => html.push_str(" "), - '"' if attr_mode => html.push_str("""), - '<' if !attr_mode => html.push_str("<"), - '>' if !attr_mode => html.push_str(">"), - c => html.push(c), - } - } -} |