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Move the script type and language checks into HTMLScriptElement.

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This is IMO a more sensible place for them to live, and prepares for the
demise of hubbub_html_parser.rs, as we move to html5ever.
This commit is contained in:
Ms2ger 2014-09-02 09:00:38 +02:00
parent a5965442b5
commit ee39685051
2 changed files with 79 additions and 61 deletions
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68
src/components/script/dom/htmlscriptelement.rs
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@ -2,19 +2,22 @@
* 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::codegen::Bindings::AttrBinding::AttrMethods;
use dom::bindings::codegen::Bindings::HTMLScriptElementBinding;
use dom::bindings::codegen::Bindings::HTMLScriptElementBinding::HTMLScriptElementMethods;
use dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
use dom::bindings::codegen::InheritTypes::HTMLScriptElementDerived;
use dom::bindings::codegen::InheritTypes::{ElementCast, NodeCast};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::js::{JSRef, Temporary, OptionalRootable};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::document::Document;
use dom::element::{HTMLScriptElementTypeId, Element, AttributeHandlers};
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlelement::HTMLElement;
use dom::node::{Node, NodeHelpers, ElementNodeTypeId};
use servo_util::str::DOMString;
use servo_util::namespace::Null;
use servo_util::str::{DOMString, HTML_SPACE_CHARACTERS, StaticStringVec};
#[deriving(Encodable)]
pub struct HTMLScriptElement {
@ -40,6 +43,67 @@ impl HTMLScriptElement {
}
}
pub trait HTMLScriptElementHelpers {
/// Prepare a script (<http://www.whatwg.org/html/#prepare-a-script>),
/// steps 6 and 7.
fn is_javascript(&self) -> bool;
}
/// Supported script types as defined by
/// <http://whatwg.org/html/#support-the-scripting-language>.
static SCRIPT_JS_MIMES: StaticStringVec = &[
"application/ecmascript",
"application/javascript",
"application/x-ecmascript",
"application/x-javascript",
"text/ecmascript",
"text/javascript",
"text/javascript1.0",
"text/javascript1.1",
"text/javascript1.2",
"text/javascript1.3",
"text/javascript1.4",
"text/javascript1.5",
"text/jscript",
"text/livescript",
"text/x-ecmascript",
"text/x-javascript",
];
impl<'a> HTMLScriptElementHelpers for JSRef<'a, HTMLScriptElement> {
fn is_javascript(&self) -> bool {
let element: &JSRef<Element> = ElementCast::from_ref(self);
match element.get_attribute(Null, "type").root().map(|s| s.Value()) {
Some(ref s) if s.is_empty() => {
// type attr exists, but empty means js
debug!("script type empty, inferring js");
true
},
Some(ref s) => {
debug!("script type={:s}", *s);
SCRIPT_JS_MIMES.contains(&s.as_slice().trim_chars(HTML_SPACE_CHARACTERS))
},
None => {
debug!("no script type");
match element.get_attribute(Null, "language").root().map(|s| s.Value()) {
Some(ref s) if s.is_empty() => {
debug!("script language empty, inferring js");
true
},
Some(ref s) => {
debug!("script language={:s}", *s);
SCRIPT_JS_MIMES.contains(&"text/".to_string().append(s.as_slice()).as_slice())
},
None => {
debug!("no script type or language, inferring js");
true
}
}
}
}
}
}
impl<'a> HTMLScriptElementMethods for JSRef<'a, HTMLScriptElement> {
fn Src(&self) -> DOMString {
let element: &JSRef<Element> = ElementCast::from_ref(self);