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Implement parsed 'unsigned long' attributes.

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This commit is partially based on earlier work by Bruno Abinader in #2073.
This commit is contained in:
Ms2ger 2014-06-08 17:05:38 +02:00
parent 972c69883e
commit b012c99e05
3 changed files with 34 additions and 5 deletions
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18
src/components/script/dom/element.rs
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@ -5,7 +5,7 @@
//! Element nodes.
use dom::attr::{Attr, ReplacedAttr, FirstSetAttr, AttrMethods};
use dom::attr::{AttrValue, StringAttrValue};
use dom::attr::{AttrValue, StringAttrValue, UIntAttrValue};
use dom::attrlist::AttrList;
use dom::bindings::codegen::Bindings::ElementBinding;
use dom::bindings::codegen::InheritTypes::{ElementDerived, NodeCast};
@ -243,6 +243,7 @@ pub trait AttributeHandlers {
fn get_string_attribute(&self, name: &str) -> DOMString;
fn set_string_attribute(&self, name: &str, value: DOMString);
fn set_tokenlist_attribute(&self, name: &str, value: DOMString);
fn get_uint_attribute(&self, name: &str) -> u32;
fn set_uint_attribute(&self, name: &str, value: u32);
}
@ -388,9 +389,22 @@ impl<'a> AttributeHandlers for JSRef<'a, Element> {
self.set_attribute(name, AttrValue::from_tokenlist(value));
}
fn get_uint_attribute(&self, name: &str) -> u32 {
assert!(name == name.to_ascii_lower().as_slice());
let attribute = self.get_attribute(Null, name).root();
match attribute {
Some(attribute) => {
match *attribute.deref().value() {
UIntAttrValue(_, value) => value,
_ => fail!("Expected a UIntAttrValue"),
}
}
None => 0,
}
}
fn set_uint_attribute(&self, name: &str, value: u32) {
assert!(name == name.to_ascii_lower().as_slice());
self.set_attribute(name, StringAttrValue(value.to_str()));
self.set_attribute(name, UIntAttrValue(value.to_str(), value));
}
}