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Format script component

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This commit is contained in:
chansuke 2018-09-18 23:24:15 +09:00 • committed by Josh Matthews
parent 2ca7a13473
commit c37a345dc9
357 changed files with 25485 additions and 18076 deletions
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225
components/script/dom/htmlscriptelement.rs
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@ -67,11 +67,14 @@ pub struct HTMLScriptElement {
}
impl HTMLScriptElement {
fn new_inherited(local_name: LocalName, prefix: Option<Prefix>, document: &Document,
creator: ElementCreator) -> HTMLScriptElement {
fn new_inherited(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
creator: ElementCreator,
) -> HTMLScriptElement {
HTMLScriptElement {
htmlelement:
HTMLElement::new_inherited(local_name, prefix, document),
htmlelement: HTMLElement::new_inherited(local_name, prefix, document),
already_started: Cell::new(false),
parser_inserted: Cell::new(creator.is_parser_created()),
non_blocking: Cell::new(!creator.is_parser_created()),
@ -81,15 +84,22 @@ impl HTMLScriptElement {
}
#[allow(unrooted_must_root)]
pub fn new(local_name: LocalName, prefix: Option<Prefix>, document: &Document,
creator: ElementCreator) -> DomRoot<HTMLScriptElement> {
Node::reflect_node(Box::new(HTMLScriptElement::new_inherited(local_name, prefix, document, creator)),
document,
HTMLScriptElementBinding::Wrap)
pub fn new(
local_name: LocalName,
prefix: Option<Prefix>,
document: &Document,
creator: ElementCreator,
) -> DomRoot<HTMLScriptElement> {
Node::reflect_node(
Box::new(HTMLScriptElement::new_inherited(
local_name, prefix, document, creator,
)),
document,
HTMLScriptElementBinding::Wrap,
)
}
}
/// Supported script types as defined by
/// <https://html.spec.whatwg.org/multipage/#javascript-mime-type>.
static SCRIPT_JS_MIMES: StaticStringVec = &[
@ -154,7 +164,7 @@ struct ScriptContext {
/// The initial URL requested.
url: ServoUrl,
/// Indicates whether the request failed, and why
status: Result<(), NetworkError>
status: Result<(), NetworkError>,
}
impl FetchResponseListener for ScriptContext {
@ -162,24 +172,29 @@ impl FetchResponseListener for ScriptContext {
fn process_request_eof(&mut self) {} // TODO(KiChjang): Perhaps add custom steps to perform fetch here?
fn process_response(&mut self,
metadata: Result<FetchMetadata, NetworkError>) {
fn process_response(&mut self, metadata: Result<FetchMetadata, NetworkError>) {
self.metadata = metadata.ok().map(|meta| match meta {
FetchMetadata::Unfiltered(m) => m,
FetchMetadata::Filtered { unsafe_, .. } => unsafe_
FetchMetadata::Filtered { unsafe_, .. } => unsafe_,
});
let status_code = self.metadata.as_ref().and_then(|m| {
match m.status {
let status_code = self
.metadata
.as_ref()
.and_then(|m| match m.status {
Some((c, _)) => Some(c),
_ => None,
}
}).unwrap_or(0);
}).unwrap_or(0);
self.status = match status_code {
0 => Err(NetworkError::Internal("No http status code received".to_owned())),
0 => Err(NetworkError::Internal(
"No http status code received".to_owned(),
)),
200...299 => Ok(()), // HTTP ok status codes
_ => Err(NetworkError::Internal(format!("HTTP error code {}", status_code)))
_ => Err(NetworkError::Internal(format!(
"HTTP error code {}",
status_code
))),
};
}
@ -197,7 +212,8 @@ impl FetchResponseListener for ScriptContext {
let metadata = self.metadata.take().unwrap();
// Step 6.
let encoding = metadata.charset
let encoding = metadata
.charset
.and_then(|encoding| Encoding::for_label(encoding.as_bytes()))
.unwrap_or(self.character_encoding);
@ -216,7 +232,9 @@ impl FetchResponseListener for ScriptContext {
ExternalScriptKind::Asap => document.asap_script_loaded(&elem, load),
ExternalScriptKind::AsapInOrder => document.asap_in_order_script_loaded(&elem, load),
ExternalScriptKind::Deferred => document.deferred_script_loaded(&elem, load),
ExternalScriptKind::ParsingBlocking => document.pending_parsing_blocking_script_loaded(&elem, load),
ExternalScriptKind::ParsingBlocking => {
document.pending_parsing_blocking_script_loaded(&elem, load)
},
}
document.finish_load(LoadType::Script(self.url.clone()));
@ -226,12 +244,14 @@ impl FetchResponseListener for ScriptContext {
impl PreInvoke for ScriptContext {}
/// <https://html.spec.whatwg.org/multipage/#fetch-a-classic-script>
fn fetch_a_classic_script(script: &HTMLScriptElement,
kind: ExternalScriptKind,
url: ServoUrl,
cors_setting: Option<CorsSettings>,
integrity_metadata: String,
character_encoding: &'static Encoding) {
fn fetch_a_classic_script(
script: &HTMLScriptElement,
kind: ExternalScriptKind,
url: ServoUrl,
cors_setting: Option<CorsSettings>,
integrity_metadata: String,
character_encoding: &'static Encoding,
) {
let doc = document_from_node(script);
// Step 1, 2.
@ -255,7 +275,7 @@ fn fetch_a_classic_script(script: &HTMLScriptElement,
referrer_url: Some(doc.url()),
referrer_policy: doc.get_referrer_policy(),
integrity_metadata: integrity_metadata,
.. RequestInit::default()
..RequestInit::default()
};
// TODO: Step 3, Add custom steps to perform fetch
@ -264,22 +284,25 @@ fn fetch_a_classic_script(script: &HTMLScriptElement,
elem: Trusted::new(script),
kind: kind,
character_encoding: character_encoding,
data: vec!(),
data: vec![],
metadata: None,
url: url.clone(),
status: Ok(())
status: Ok(()),
}));
let (action_sender, action_receiver) = ipc::channel().unwrap();
let listener = NetworkListener {
context: context,
task_source: doc.window().networking_task_source(),
canceller: Some(doc.window().task_canceller(TaskSourceName::Networking))
canceller: Some(doc.window().task_canceller(TaskSourceName::Networking)),
};
ROUTER.add_route(action_receiver.to_opaque(), Box::new(move |message| {
listener.notify_fetch(message.to().unwrap());
}));
ROUTER.add_route(
action_receiver.to_opaque(),
Box::new(move |message| {
listener.notify_fetch(message.to().unwrap());
}),
);
doc.fetch_async(LoadType::Script(url), request, action_sender);
}
@ -364,9 +387,10 @@ impl HTMLScriptElement {
}
// Step 14.
let encoding = element.get_attribute(&ns!(), &local_name!("charset"))
.and_then(|charset| Encoding::for_label(charset.value().as_bytes()))
.unwrap_or_else(|| doc.encoding());
let encoding = element
.get_attribute(&ns!(), &local_name!("charset"))
.and_then(|charset| Encoding::for_label(charset.value().as_bytes()))
.unwrap_or_else(|| doc.encoding());
// Step 15.
let cors_setting = cors_setting_for_element(element);
@ -413,27 +437,37 @@ impl HTMLScriptElement {
};
// Preparation for step 23.
let kind = if element.has_attribute(&local_name!("defer")) && was_parser_inserted && !async {
// Step 23.a: classic, has src, has defer, was parser-inserted, is not async.
ExternalScriptKind::Deferred
} else if was_parser_inserted && !async {
// Step 23.c: classic, has src, was parser-inserted, is not async.
ExternalScriptKind::ParsingBlocking
} else if !async && !self.non_blocking.get() {
// Step 23.d: classic, has src, is not async, is not non-blocking.
ExternalScriptKind::AsapInOrder
} else {
// Step 23.f: classic, has src.
ExternalScriptKind::Asap
};
let kind =
if element.has_attribute(&local_name!("defer")) && was_parser_inserted && !async {
// Step 23.a: classic, has src, has defer, was parser-inserted, is not async.
ExternalScriptKind::Deferred
} else if was_parser_inserted && !async {
// Step 23.c: classic, has src, was parser-inserted, is not async.
ExternalScriptKind::ParsingBlocking
} else if !async && !self.non_blocking.get() {
// Step 23.d: classic, has src, is not async, is not non-blocking.
ExternalScriptKind::AsapInOrder
} else {
// Step 23.f: classic, has src.
ExternalScriptKind::Asap
};
// Step 21.6.
fetch_a_classic_script(self, kind, url, cors_setting, integrity_metadata.to_owned(), encoding);
fetch_a_classic_script(
self,
kind,
url,
cors_setting,
integrity_metadata.to_owned(),
encoding,
);
// Step 23.
match kind {
ExternalScriptKind::Deferred => doc.add_deferred_script(self),
ExternalScriptKind::ParsingBlocking => doc.set_pending_parsing_blocking_script(self, None),
ExternalScriptKind::ParsingBlocking => {
doc.set_pending_parsing_blocking_script(self, None)
},
ExternalScriptKind::AsapInOrder => doc.push_asap_in_order_script(self),
ExternalScriptKind::Asap => doc.add_asap_script(self),
}
@ -444,8 +478,10 @@ impl HTMLScriptElement {
// Step 23.
if was_parser_inserted &&
doc.get_current_parser().map_or(false, |parser| parser.script_nesting_level() <= 1) &&
doc.get_script_blocking_stylesheets_count() > 0 {
doc.get_current_parser()
.map_or(false, |parser| parser.script_nesting_level() <= 1) &&
doc.get_script_blocking_stylesheets_count() > 0
{
// Step 23.h: classic, has no src, was parser-inserted, is blocked on stylesheet.
doc.set_pending_parsing_blocking_script(self, Some(result));
} else {
@ -461,9 +497,10 @@ impl HTMLScriptElement {
}
match Command::new("js-beautify")
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn() {
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()
{
Err(_) => {
warn!("Failed to execute js-beautify. Will store unmodified script");
},
@ -512,7 +549,7 @@ impl HTMLScriptElement {
warn!("error loading script {:?}", e);
self.dispatch_error_event();
return;
}
},
Ok(script) => script,
};
@ -564,28 +601,44 @@ impl HTMLScriptElement {
// Steps 4-10
let window = window_from_node(self);
let line_number = if script.external { 1 } else { self.line_number as u32 };
let line_number = if script.external {
1
} else {
self.line_number as u32
};
rooted!(in(window.get_cx()) let mut rval = UndefinedValue());
let global = window.upcast::<GlobalScope>();
global.evaluate_script_on_global_with_result(
&script.text, script.url.as_str(), rval.handle_mut(), line_number);
&script.text,
script.url.as_str(),
rval.handle_mut(),
line_number,
);
}
pub fn queue_error_event(&self) {
let window = window_from_node(self);
window.dom_manipulation_task_source().queue_simple_event(self.upcast(), atom!("error"), &window);
window.dom_manipulation_task_source().queue_simple_event(
self.upcast(),
atom!("error"),
&window,
);
}
pub fn dispatch_load_event(&self) {
self.dispatch_event(atom!("load"),
EventBubbles::DoesNotBubble,
EventCancelable::NotCancelable);
self.dispatch_event(
atom!("load"),
EventBubbles::DoesNotBubble,
EventCancelable::NotCancelable,
);
}
pub fn dispatch_error_event(&self) {
self.dispatch_event(atom!("error"),
EventBubbles::DoesNotBubble,
EventCancelable::NotCancelable);
self.dispatch_event(
atom!("error"),
EventBubbles::DoesNotBubble,
EventCancelable::NotCancelable,
);
}
pub fn is_javascript(&self) -> bool {
@ -599,7 +652,8 @@ impl HTMLScriptElement {
},
Some(s) => {
debug!("script type={}", &**s);
SCRIPT_JS_MIMES.contains(&s.to_ascii_lowercase().trim_matches(HTML_SPACE_CHARACTERS))
SCRIPT_JS_MIMES
.contains(&s.to_ascii_lowercase().trim_matches(HTML_SPACE_CHARACTERS))
},
None => {
debug!("no script type");
@ -618,11 +672,11 @@ impl HTMLScriptElement {
None => {
debug!("no script type or language, inferring js");
true
}
},
};
// https://github.com/rust-lang/rust/issues/21114
is_js
}
},
};
// https://github.com/rust-lang/rust/issues/21114
is_js
@ -636,10 +690,12 @@ impl HTMLScriptElement {
self.already_started.set(already_started);
}
fn dispatch_event(&self,
type_: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable) -> EventStatus {
fn dispatch_event(
&self,
type_: Atom,
bubbles: EventBubbles,
cancelable: EventCancelable,
) -> EventStatus {
let window = window_from_node(self);
let event = Event::new(window.upcast(), type_, bubbles, cancelable);
event.fire(self.upcast())
@ -684,15 +740,21 @@ impl VirtualMethods for HTMLScriptElement {
}
}
fn cloning_steps(&self, copy: &Node, maybe_doc: Option<&Document>,
clone_children: CloneChildrenFlag) {
fn cloning_steps(
&self,
copy: &Node,
maybe_doc: Option<&Document>,
clone_children: CloneChildrenFlag,
) {
if let Some(ref s) = self.super_type() {
s.cloning_steps(copy, maybe_doc, clone_children);
}
// https://html.spec.whatwg.org/multipage/#already-started
if self.already_started.get() {
copy.downcast::<HTMLScriptElement>().unwrap().set_already_started(true);
copy.downcast::<HTMLScriptElement>()
.unwrap()
.set_already_started(true);
}
}
}
@ -716,13 +778,16 @@ impl HTMLScriptElementMethods for HTMLScriptElement {
// https://html.spec.whatwg.org/multipage/#dom-script-async
fn Async(&self) -> bool {
self.non_blocking.get() || self.upcast::<Element>().has_attribute(&local_name!("async"))
self.non_blocking.get() || self
.upcast::<Element>()
.has_attribute(&local_name!("async"))
}
// https://html.spec.whatwg.org/multipage/#dom-script-async
fn SetAsync(&self, value: bool) {
self.non_blocking.set(false);
self.upcast::<Element>().set_bool_attribute(&local_name!("async"), value);
self.upcast::<Element>()
.set_bool_attribute(&local_name!("async"), value);
}
// https://html.spec.whatwg.org/multipage/#dom-script-defer