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Cleaned DOMTokenList code duplication

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This commit is contained in:
Bruno de Oliveira Abinader 2014-08-25 13:37:19 -04:00
parent caa55bf9ed
commit 400a31443b
1 changed files with 7 additions and 22 deletions
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29
src/components/script/dom/domtokenlist.rs
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@ -2,7 +2,7 @@
* 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::attr::{Attr, TokenListAttrValue};
use dom::attr::Attr;
use dom::bindings::codegen::Bindings::DOMTokenListBinding;
use dom::bindings::codegen::Bindings::DOMTokenListBinding::DOMTokenListMethods;
use dom::bindings::error::{Fallible, InvalidCharacter, Syntax};
@ -71,31 +71,16 @@ impl<'a> PrivateDOMTokenListHelpers for JSRef<'a, DOMTokenList> {
impl<'a> DOMTokenListMethods for JSRef<'a, DOMTokenList> {
// http://dom.spec.whatwg.org/#dom-domtokenlist-length
fn Length(&self) -> u32 {
let attribute = self.attribute().root();
match attribute {
Some(attribute) => {
match *attribute.deref().value() {
TokenListAttrValue(_, ref indexes) => indexes.len() as u32,
_ => fail!("Expected a TokenListAttrValue"),
}
}
None => 0,
}
self.attribute().root().map(|attr| {
attr.value().tokens().map(|tokens| tokens.len()).unwrap_or(0)
}).unwrap_or(0) as u32
}
// http://dom.spec.whatwg.org/#dom-domtokenlist-item
fn Item(&self, index: u32) -> Option<DOMString> {
let attribute = self.attribute().root();
attribute.and_then(|attribute| {
match *attribute.deref().value() {
TokenListAttrValue(ref value, ref indexes) => {
indexes.as_slice().get(index as uint).map(|&(start, end)| {
value.as_slice().slice(start, end).to_string()
})
},
_ => fail!("Expected a TokenListAttrValue"),
}
})
self.attribute().root().and_then(|attr| attr.value().tokens().and_then(|mut tokens| {
tokens.idx(index as uint).map(|token| token.as_slice().to_string())
}))
}
fn IndexedGetter(&self, index: u32, found: &mut bool) -> Option<DOMString> {