diff options
-rw-r--r-- | src/corelib/time/qdatetime.cpp | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/src/corelib/time/qdatetime.cpp b/src/corelib/time/qdatetime.cpp index ffb4892c99..0d8aaabd2e 100644 --- a/src/corelib/time/qdatetime.cpp +++ b/src/corelib/time/qdatetime.cpp @@ -127,7 +127,7 @@ static const char qt_shortMonthNames[][4] = { "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; -static int qt_monthNumberFromShortName(QStringRef shortName) +static int qt_monthNumberFromShortName(QStringView shortName) { for (unsigned int i = 0; i < sizeof(qt_shortMonthNames) / sizeof(qt_shortMonthNames[0]); ++i) { if (shortName == QLatin1String(qt_shortMonthNames[i], 3)) @@ -136,9 +136,9 @@ static int qt_monthNumberFromShortName(QStringRef shortName) return -1; } static int qt_monthNumberFromShortName(const QString &shortName) -{ return qt_monthNumberFromShortName(QStringRef(&shortName)); } +{ return qt_monthNumberFromShortName(QStringView(shortName)); } -static int fromShortMonthName(const QStringRef &monthName, int year) +static int fromShortMonthName(QStringView monthName, int year) { // Assume that English monthnames are the default int month = qt_monthNumberFromShortName(monthName); @@ -207,7 +207,7 @@ static QString toOffsetString(Qt::DateFormat format, int offset) #if QT_CONFIG(datestring) // Parse offset in [+-]HH[[:]mm] format -static int fromOffsetString(const QStringRef &offsetString, bool *valid) noexcept +static int fromOffsetString(QStringView offsetString, bool *valid) noexcept { *valid = false; @@ -228,22 +228,23 @@ static int fromOffsetString(const QStringRef &offsetString, bool *valid) noexcep return 0; // Split the hour and minute parts - const QStringRef time = offsetString.mid(1); - int hhLen = time.indexOf(QLatin1Char(':')); - int mmIndex; + const QStringView time = offsetString.mid(1); + qsizetype hhLen = time.indexOf(QLatin1Char(':')); + qsizetype mmIndex; if (hhLen == -1) mmIndex = hhLen = 2; // [+-]HHmm or [+-]HH format else mmIndex = hhLen + 1; - const QStringRef hhRef = time.left(hhLen); + const QLocale C = QLocale::c(); + const QStringView hhRef = time.left(qMin(hhLen, time.size())); bool ok = false; - const int hour = hhRef.toInt(&ok); + const int hour = C.toInt(hhRef, &ok); if (!ok) return 0; - const QStringRef mmRef = time.mid(mmIndex); - const int minute = mmRef.isEmpty() ? 0 : mmRef.toInt(&ok); + const QStringView mmRef = time.mid(qMin(mmIndex, time.size())); + const int minute = mmRef.isEmpty() ? 0 : C.toInt(mmRef, &ok); if (!ok || minute < 0 || minute > 59) return 0; @@ -2324,7 +2325,7 @@ int QTime::msecsTo(const QTime &t) const #if QT_CONFIG(datestring) -static QTime fromIsoTimeString(const QStringRef &string, Qt::DateFormat format, bool *isMidnight24) +static QTime fromIsoTimeString(QStringView string, Qt::DateFormat format, bool *isMidnight24) { if (isMidnight24) *isMidnight24 = false; @@ -2333,11 +2334,12 @@ static QTime fromIsoTimeString(const QStringRef &string, Qt::DateFormat format, if (size < 5) return QTime(); + const QLocale C(QLocale::c()); bool ok = false; - int hour = string.mid(0, 2).toInt(&ok); + int hour = C.toInt(string.mid(0, 2), &ok); if (!ok) return QTime(); - const int minute = string.mid(3, 2).toInt(&ok); + const int minute = C.toInt(string.mid(3, 2), &ok); if (!ok) return QTime(); int second = 0; @@ -2358,11 +2360,11 @@ static QTime fromIsoTimeString(const QStringRef &string, Qt::DateFormat format, // seconds is 4. E.g. 12:34,99999 will expand to 12:34:59.9994. The milliseconds // will then be rounded up AND clamped to 999. - const QStringRef minuteFractionStr = string.mid(6, 5); - const long minuteFractionInt = minuteFractionStr.toLong(&ok); + const QStringView minuteFractionStr = string.mid(6, qMin(qsizetype(5), string.size() - 6)); + const long minuteFractionInt = C.toLong(minuteFractionStr, &ok); if (!ok) return QTime(); - const float minuteFraction = double(minuteFractionInt) / (std::pow(double(10), minuteFractionStr.count())); + const float minuteFraction = double(minuteFractionInt) / (std::pow(double(10), minuteFractionStr.size())); const float secondWithMs = minuteFraction * 60; const float secondNoMs = std::floor(secondWithMs); @@ -2371,20 +2373,20 @@ static QTime fromIsoTimeString(const QStringRef &string, Qt::DateFormat format, msec = qMin(qRound(secondFraction * 1000.0), 999); } else { // HH:mm:ss or HH:mm:ss.zzz - second = string.mid(6, 2).toInt(&ok); + second = C.toInt(string.mid(6, qMin(qsizetype(2), string.size() - 6)), &ok); if (!ok) return QTime(); if (size > 8 && (string.at(8) == QLatin1Char(',') || string.at(8) == QLatin1Char('.'))) { - QStringRef msecStr(string.mid(9, 4)); + QStringView msecStr(string.mid(9, qMin(qsizetype(4), string.size() - 9))); // toInt() ignores leading spaces, so catch them before calling it if (!msecStr.isEmpty() && !msecStr.at(0).isDigit()) return QTime(); // We do, however, want to ignore *trailing* spaces. msecStr = msecStr.trimmed(); - int msecInt = msecStr.isEmpty() ? 0 : msecStr.toInt(&ok); + int msecInt = msecStr.isEmpty() ? 0 : C.toInt(msecStr, &ok); if (!ok) return QTime(); - const double secondFraction(msecInt / (std::pow(double(10), msecStr.count()))); + const double secondFraction(msecInt / (std::pow(double(10), msecStr.size()))); msec = qMin(qRound(secondFraction * 1000.0), 999); } } @@ -2433,7 +2435,7 @@ QTime QTime::fromString(const QString &string, Qt::DateFormat format) case Qt::ISODateWithMs: case Qt::TextDate: default: - return fromIsoTimeString(QStringRef(&string), format, nullptr); + return fromIsoTimeString(QStringView(string), format, nullptr); } } @@ -5217,8 +5219,7 @@ QDateTime QDateTime::fromString(const QString &string, Qt::DateFormat format) return date.startOfDay(); Qt::TimeSpec spec = Qt::LocalTime; - QStringRef isoString(&string); - isoString = isoString.mid(10); // trim "yyyy-MM-dd" + QStringView isoString = QStringView(string).mid(10); // trim "yyyy-MM-dd" // Must be left with T (or space) and at least one digit for the hour: if (isoString.size() < 2 @@ -5364,7 +5365,7 @@ QDateTime QDateTime::fromString(const QString &string, Qt::DateFormat format) if (parts.count() == 5) return QDateTime(date, time, Qt::LocalTime); - QStringRef tz = parts.at(5); + QStringView tz = parts.at(5); if (!tz.startsWith(QLatin1String("GMT"), Qt::CaseInsensitive)) return QDateTime(); tz = tz.mid(3); |