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QTimeZonePrivate::territory: use QStringTokenizer

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A follow-up to 6ec3321875 where the
function was optimized using a hand-rolled lazy-split on a QBAView.
Now that QLatin1String::indexOf(QLatin1String) has been optimized we can
use QStringTokenizer instead.

Change-Id: I30b15d309e7c364c0a4dafe31651b39ea14db7e5
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
This commit is contained in:
Mårten Nordheim 2021-06-02 08:45:10 +02:00
parent 523ee5577a
commit 77d62727d0
1 changed files with 4 additions and 6 deletions
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10
src/corelib/time/qtimezoneprivate.cpp
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@ -177,12 +177,10 @@ QLocale::Territory QTimeZonePrivate::territory() const
for (int i = 0; i < zoneDataTableSize; ++i) {
const QZoneData *data = zoneData(i);
QByteArrayView idView = ianaIdView(data);
while (!idView.isEmpty()) {
qsizetype index = idView.indexOf(' ');
QByteArrayView next = index == -1 ? idView : idView.first(index);
if (next == m_id)
return (QLocale::Territory)data->territory;
idView = index == -1 ? QByteArrayView() : idView.sliced(index + 1);
QLatin1String view(idView.data(), idView.size());
for (QLatin1String token : view.tokenize(QLatin1String(" "))) {
if (token == QLatin1String(m_id.data(), m_id.size()))
return QLocale::Territory(data->territory);
}
}
return QLocale::AnyTerritory;