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Clean up the code to BOM sniff.

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See https://github.com/servo/servo/pull/28006#discussion_r551968553
This commit is contained in:
Andreu Botella
2021-01-09 19:18:22 +01:00
parent 344cc39d50
commit d2b9e64cf3
1 changed files with 5 additions and 15 deletions
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20
components/script/dom/servoparser/mod.rs
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@@ -487,28 +487,18 @@ impl ServoParser {
// encoding based on the BOM, but it won't change
// `self.document.encoding` in the process.
{
let set_bom_to_none = if let Some(partial_bom) = self.bom_sniff.borrow_mut().as_mut() {
let mut bom_sniff = self.bom_sniff.borrow_mut();
if let Some(partial_bom) = bom_sniff.as_mut() {
if partial_bom.len() + chunk.len() >= 3 {
partial_bom.extend(chunk.iter().take(3 - partial_bom.len()).copied());
//println!("Full BOM: {:?}", partial_bom);
if let Some((encoding, _)) = Encoding::for_bom(&partial_bom) {
//println!("Encoding: {}", encoding.name());
self.document.set_encoding(encoding);
} else {
//println!("Bytes are not a BOM.");
};
true
}
drop(bom_sniff);
*self.bom_sniff.borrow_mut() = None;
} else {
partial_bom.extend(chunk.iter().copied());
//println!("Partial BOM: {:?}", partial_bom);
false
}
} else {
//println!("partial_bom is None");
false
};
if set_bom_to_none {
*self.bom_sniff.borrow_mut() = None;
}
}