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Fixes panic on DOMString::strip_leading_and_trailing_ascii_whitespace

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This commit is contained in:
Jim Berlage 2018-10-17 13:54:55 -05:00
parent dd5e5e9294
commit 1f99bf4631
3 changed files with 44 additions and 9 deletions
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18
components/script/dom/bindings/str.rs
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@ -182,16 +182,16 @@ impl DOMString {
return;
}
let last_non_whitespace = match self.0.rfind(|ref c| !char::is_ascii_whitespace(c)) {
Some(idx) => idx + 1,
None => {
self.0.clear();
return;
},
};
let first_non_whitespace = self.0.find(|ref c| !char::is_ascii_whitespace(c)).unwrap();
let trailing_whitespace_len = self
.0
.trim_end_matches(|ref c| char::is_ascii_whitespace(c))
.len();
self.0.truncate(trailing_whitespace_len);
if self.0.is_empty() {
return;
}
self.0.truncate(last_non_whitespace);
let first_non_whitespace = self.0.find(|ref c| !char::is_ascii_whitespace(c)).unwrap();
let _ = self.0.replace_range(0..first_non_whitespace, "");
}