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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsHtml5AtomTable.h"
#include "nsThreadUtils.h"
nsHtml5AtomTable::nsHtml5AtomTable() : mRecentlyUsedParserAtoms{} {
#ifdef DEBUG
mPermittedLookupEventTarget = mozilla::GetCurrentSerialEventTarget();
#endif
}
nsHtml5AtomTable::~nsHtml5AtomTable() = default;
nsAtom* nsHtml5AtomTable::GetAtom(const nsAString& aKey) {
MOZ_ASSERT(mPermittedLookupEventTarget->IsOnCurrentThread());
uint32_t hash = mozilla::HashString(aKey);
uint32_t index = hash % RECENTLY_USED_PARSER_ATOMS_SIZE;
if (nsAtom* atom = mRecentlyUsedParserAtoms[index]) {
if (atom->hash() == hash && atom->Equals(aKey)) {
return atom;
}
}
RefPtr<nsAtom> atom = NS_Atomize(aKey, hash);
nsAtom* ret = atom.get();
mRecentlyUsedParserAtoms[index] = std::move(atom);
return ret;
}
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