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Return error when setting invalid <table> caption (#30020)

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* Return error when setting invalid <table> caption

Signed-off-by: thesecretmaster <thesecretmaster@developingtechnician.com>

* Forgot to commit style changes

Signed-off-by: thesecretmaster <thesecretmaster@developingtechnician.com>

---------

Signed-off-by: thesecretmaster <thesecretmaster@developingtechnician.com>
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thesecretmaster 2023-08-08 11:30:55 -05:00 • committed by GitHub
parent bce7622cde
commit c28404e9fa
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2 changed files with 7 additions and 5 deletions
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10
components/script/dom/htmltableelement.rs
View file

@ -188,16 +188,17 @@ impl HTMLTableElementMethods for HTMLTableElement {
} }
// https://html.spec.whatwg.org/multipage/#dom-table-caption // https://html.spec.whatwg.org/multipage/#dom-table-caption
fn SetCaption(&self, new_caption: Option<&HTMLTableCaptionElement>) { fn SetCaption(&self, new_caption: Option<&HTMLTableCaptionElement>) -> Fallible<()> {
if let Some(ref caption) = self.GetCaption() { if let Some(ref caption) = self.GetCaption() {
caption.upcast::<Node>().remove_self(); caption.upcast::<Node>().remove_self();
} }
if let Some(caption) = new_caption { if let Some(caption) = new_caption {
let node = self.upcast::<Node>(); let node = self.upcast::<Node>();
node.InsertBefore(caption.upcast(), node.GetFirstChild().as_deref()) node.InsertBefore(caption.upcast(), node.GetFirstChild().as_deref())?;
.expect("Insertion failed");
} }
Ok(())
} }
// https://html.spec.whatwg.org/multipage/#dom-table-createcaption // https://html.spec.whatwg.org/multipage/#dom-table-createcaption
@ -211,7 +212,8 @@ impl HTMLTableElementMethods for HTMLTableElement {
&document_from_node(self), &document_from_node(self),
None, None,
); );
self.SetCaption(Some(&caption)); self.SetCaption(Some(&caption))
.expect("Generated caption is invalid");
caption caption
}, },
} }

2
components/script/dom/webidls/HTMLTableElement.webidl
View file

@ -7,7 +7,7 @@
interface HTMLTableElement : HTMLElement { interface HTMLTableElement : HTMLElement {
[HTMLConstructor] constructor(); [HTMLConstructor] constructor();
[CEReactions] [CEReactions, SetterThrows]
attribute HTMLTableCaptionElement? caption; attribute HTMLTableCaptionElement? caption;
HTMLTableCaptionElement createCaption(); HTMLTableCaptionElement createCaption();
[CEReactions] [CEReactions]