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/* 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::bindings::cell::DOMRefCell;
use dom::bindings::js::{JS, Root};
use dom::bindings::refcounted::Trusted;
use dom::document::Document;
use dom::servohtmlparser::ServoHTMLParser;
use dom::servoxmlparser::ServoXMLParser;
use dom::window::Window;
use std::cell::Cell;
use std::cell::UnsafeCell;
use std::ptr;
pub mod html;
pub mod xml;
pub trait Parser {
fn parse_chunk(self, input: String);
fn finish(self);
}
#[must_root]
#[derive(JSTraceable, HeapSizeOf)]
pub enum ParserField {
HTML(JS<ServoHTMLParser>),
XML(JS<ServoXMLParser>),
}
#[must_root]
#[derive(JSTraceable, HeapSizeOf)]
pub struct MutNullableParserField {
#[ignore_heap_size_of = "XXXjdm"]
ptr: UnsafeCell<Option<ParserField>>,
}
impl Default for MutNullableParserField {
#[allow(unrooted_must_root)]
fn default() -> MutNullableParserField {
MutNullableParserField {
ptr: UnsafeCell::new(None),
}
}
}
impl MutNullableParserField {
#[allow(unsafe_code)]
pub fn set(&self, val: Option<ParserRef>) {
unsafe {
*self.ptr.get() = val.map(|val| {
match val {
ParserRef::HTML(parser) => ParserField::HTML(JS::from_ref(parser)),
ParserRef::XML(parser) => ParserField::XML(JS::from_ref(parser)),
}
});
}
}
#[allow(unsafe_code, unrooted_must_root)]
pub fn get(&self) -> Option<ParserRoot> {
unsafe {
ptr::read(self.ptr.get()).map(|o| {
match o {
ParserField::HTML(parser) => ParserRoot::HTML(Root::from_ref(&*parser)),
ParserField::XML(parser) => ParserRoot::XML(Root::from_ref(&*parser)),
}
})
}
}
}
pub enum ParserRoot {
HTML(Root<ServoHTMLParser>),
XML(Root<ServoXMLParser>),
}
impl ParserRoot {
pub fn r(&self) -> ParserRef {
match *self {
ParserRoot::HTML(ref parser) => ParserRef::HTML(parser.r()),
ParserRoot::XML(ref parser) => ParserRef::XML(parser.r()),
}
}
}
pub enum TrustedParser {
HTML(Trusted<ServoHTMLParser>),
XML(Trusted<ServoXMLParser>),
}
impl TrustedParser {
pub fn root(&self) -> ParserRoot {
match *self {
TrustedParser::HTML(ref parser) => ParserRoot::HTML(parser.root()),
TrustedParser::XML(ref parser) => ParserRoot::XML(parser.root()),
}
}
}
pub enum ParserRef<'a> {
HTML(&'a ServoHTMLParser),
XML(&'a ServoXMLParser),
}
impl<'a> ParserRef<'a> {
pub fn parse_chunk(&self, input: String) {
match *self {
ParserRef::HTML(parser) => parser.parse_chunk(input),
ParserRef::XML(parser) => parser.parse_chunk(input),
}
}
pub fn window(&self) -> &Window {
match *self {
ParserRef::HTML(parser) => parser.window(),
ParserRef::XML(parser) => parser.window(),
}
}
pub fn resume(&self) {
match *self {
ParserRef::HTML(parser) => parser.resume(),
ParserRef::XML(parser) => parser.resume(),
}
}
pub fn suspend(&self) {
match *self {
ParserRef::HTML(parser) => parser.suspend(),
ParserRef::XML(parser) => parser.suspend(),
}
}
pub fn is_suspended(&self) -> bool {
match *self {
ParserRef::HTML(parser) => parser.is_suspended(),
ParserRef::XML(parser) => parser.is_suspended(),
}
}
pub fn pending_input(&self) -> &DOMRefCell<Vec<String>> {
match *self {
ParserRef::HTML(parser) => parser.pending_input(),
ParserRef::XML(parser) => parser.pending_input(),
}
}
pub fn set_plaintext_state(&self) {
match *self {
ParserRef::HTML(parser) => parser.set_plaintext_state(),
ParserRef::XML(parser) => parser.set_plaintext_state(),
}
}
pub fn parse_sync(&self) {
match *self {
ParserRef::HTML(parser) => parser.parse_sync(),
ParserRef::XML(parser) => parser.parse_sync(),
}
}
pub fn document(&self) -> &Document {
match *self {
ParserRef::HTML(parser) => parser.document(),
ParserRef::XML(parser) => parser.document(),
}
}
pub fn last_chunk_received(&self) -> &Cell<bool> {
match *self {
ParserRef::HTML(parser) => parser.last_chunk_received(),
ParserRef::XML(parser) => parser.last_chunk_received(),
}
}
}
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