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Remove recursiveness from directionality search

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This commit is contained in:
Dmitry Kolupaev 2020-02-16 19:14:40 +03:00
parent 7e2107b1a5
commit edb940e613
4 changed files with 35 additions and 26 deletions
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27
components/script/dom/node.rs
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@ -434,16 +434,25 @@ impl Node {
}
pub fn parent_directionality(&self) -> String {
match self.GetParentNode() {
Some(parent) => {
if let Some(parent_html) = parent.downcast::<Element>() {
parent_html.directionality()
} else {
parent.parent_directionality()
}
},
None => "ltr".to_owned(),
let mut current = self.GetParentNode();
loop {
match current {
Some(parent) => {
if let Some(directionality) = parent
.downcast::<HTMLElement>()
.and_then(|html_element| html_element.directionality())
{
return directionality;
} else {
current = parent.GetParentNode();
}
},
None => break,
}
}
"ltr".to_owned()
}
}