Add script::dom::utils::validate_and_extract()

Accidentally fixes bugs about Document::createElementNS() where the
implementation of "validate and extract" used to check whether the local name
extracted from the qualified name was "xmlns" instead of the qualified name
itself.
This commit is contained in:
Anthony Ramine 2015-04-08 01:29:27 +02:00
parent abc01d598a
commit 7b4f6126c8
5 changed files with 67 additions and 161 deletions

View file

@ -21,20 +21,20 @@ use dom::bindings::codegen::InheritTypes::{HTMLFormElementDerived, HTMLImageElem
use dom::bindings::codegen::InheritTypes::{HTMLScriptElementDerived};
use dom::bindings::error::{ErrorResult, Fallible};
use dom::bindings::error::Error::{NotSupported, InvalidCharacter, Security};
use dom::bindings::error::Error::{HierarchyRequest, Namespace};
use dom::bindings::error::Error::HierarchyRequest;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{MutNullableJS, JS, JSRef, LayoutJS, Temporary, TemporaryPushable};
use dom::bindings::js::{OptionalRootable, RootedReference};
use dom::bindings::refcounted::Trusted;
use dom::bindings::utils::reflect_dom_object;
use dom::bindings::utils::{xml_name_type, validate_qualified_name};
use dom::bindings::utils::{xml_name_type, validate_and_extract};
use dom::bindings::utils::XMLName::InvalidXMLName;
use dom::comment::Comment;
use dom::customevent::CustomEvent;
use dom::documentfragment::DocumentFragment;
use dom::documenttype::DocumentType;
use dom::domimplementation::DOMImplementation;
use dom::element::{Element, ElementCreator, AttributeHandlers, get_attribute_parts};
use dom::element::{Element, ElementCreator, AttributeHandlers};
use dom::element::{ElementTypeId, ActivationElementHelpers};
use dom::event::{Event, EventBubbles, EventCancelable, EventHelpers};
use dom::eventtarget::{EventTarget, EventTargetTypeId, EventTargetHelpers};
@ -67,7 +67,7 @@ use net_traits::CookieSource::NonHTTP;
use net_traits::ControlMsg::{SetCookiesForUrl, GetCookiesForUrl};
use script_task::Runnable;
use script_traits::{MouseButton, UntrustedNodeAddress};
use util::{opts, namespace};
use util::opts;
use util::str::{DOMString, split_html_space_chars};
use layout_interface::{ReflowGoal, ReflowQueryType};
@ -975,35 +975,10 @@ impl<'a> DocumentMethods for JSRef<'a, Document> {
fn CreateElementNS(self,
namespace: Option<DOMString>,
qualified_name: DOMString) -> Fallible<Temporary<Element>> {
let ns = namespace::from_domstring(namespace);
try!(validate_qualified_name(&qualified_name));
let (prefix_from_qname, local_name_from_qname) = get_attribute_parts(&qualified_name);
match (&ns, prefix_from_qname, local_name_from_qname) {
// throw if prefix is not null and namespace is null
(&ns!(""), Some(_), _) => {
debug!("Namespace can't be null with a non-null prefix");
return Err(Namespace);
},
// throw if prefix is "xml" and namespace is not the XML namespace
(_, Some(ref prefix), _) if "xml" == *prefix && ns != ns!(XML) => {
debug!("Namespace must be the xml namespace if the prefix is 'xml'");
return Err(Namespace);
},
// throw if namespace is the XMLNS namespace and neither qualifiedName nor prefix is
// "xmlns"
(&ns!(XMLNS), Some(ref prefix), _) if "xmlns" == *prefix => {},
(&ns!(XMLNS), _, "xmlns") => {},
(&ns!(XMLNS), _, _) => {
debug!("The prefix or the qualified name must be 'xmlns' if namespace is the XMLNS namespace ");
return Err(Namespace);
},
_ => {}
}
let name = QualName::new(ns, Atom::from_slice(local_name_from_qname));
Ok(Element::create(name, prefix_from_qname.map(|s| s.to_owned()), self,
ElementCreator::ScriptCreated))
let (namespace, prefix, local_name) =
try!(validate_and_extract(namespace, &qualified_name));
let name = QualName::new(namespace, local_name);
Ok(Element::create(name, prefix, self, ElementCreator::ScriptCreated))
}
// http://dom.spec.whatwg.org/#dom-document-createattribute