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Bug 1375701 - Atomize class attribute value in the parser in the innerHTML case

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Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 06:12:55 -04:00 • committed by Roy Tam
commit fe13c5bffc
14 changed files with 275 additions and 153 deletions
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20
parser/html/nsHtml5Portability.cpp
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@ -16,12 +16,30 @@ nsHtml5Portability::newLocalNameFromBuffer(char16_t* buf, int32_t offset, int32_
return interner->GetAtom(nsDependentSubstring(buf, buf + length));
}
static bool
ContainsWhiteSpace(mozilla::Span<char16_t> aSpan)
{
for (char16_t c : aSpan) {
if (nsContentUtils::IsHTMLWhitespace(c)) {
return true;
}
}
return false;
}
nsHtml5String
nsHtml5Portability::newStringFromBuffer(char16_t* buf,
int32_t offset,
int32_t length,
nsHtml5TreeBuilder* treeBuilder)
nsHtml5TreeBuilder* treeBuilder,
bool maybeAtomize)
{
if (!length) {
return nsHtml5String::EmptyString();
}
if (maybeAtomize && !ContainsWhiteSpace(mozilla::MakeSpan(buf + offset, length))) {
return nsHtml5String::FromAtom(NS_AtomizeMainThread(nsDependentSubstring(buf + offset, length)));
}
return nsHtml5String::FromBuffer(buf + offset, length, treeBuilder);
}