From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- parser/html/nsHtml5AtomTable.cpp | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 parser/html/nsHtml5AtomTable.cpp (limited to 'parser/html/nsHtml5AtomTable.cpp') diff --git a/parser/html/nsHtml5AtomTable.cpp b/parser/html/nsHtml5AtomTable.cpp new file mode 100644 index 0000000000..b6db184098 --- /dev/null +++ b/parser/html/nsHtml5AtomTable.cpp @@ -0,0 +1,30 @@ +/* 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 atom = NS_Atomize(aKey, hash); + nsAtom* ret = atom.get(); + mRecentlyUsedParserAtoms[index] = std::move(atom); + return ret; +} -- cgit v1.2.3