/**************************************************************************** ** ** Copyright (C) 2021 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qlocale_p.h" #include "qstringlist.h" #include "qvariant.h" #include "qdatetime.h" #include "private/qstringiterator_p.h" #include "private/qgregoriancalendar_p.h" #ifdef Q_OS_DARWIN #include "private/qcore_mac_p.h" #include #endif QT_BEGIN_NAMESPACE /****************************************************************************** ** Wrappers for Mac locale system functions */ static QString getMacLocaleName() { QCFType l = CFLocaleCopyCurrent(); CFStringRef locale = CFLocaleGetIdentifier(l); return QString::fromCFString(locale); } static QVariant macMonthName(int month, QSystemLocale::QueryType type) { month -= 1; if (month < 0 || month > 11) return {}; QCFType formatter = CFDateFormatterCreate(0, QCFType(CFLocaleCopyCurrent()), kCFDateFormatterNoStyle, kCFDateFormatterNoStyle); CFDateFormatterKey formatterType; switch (type) { case QSystemLocale::MonthNameLong: formatterType = kCFDateFormatterMonthSymbols; break; case QSystemLocale::MonthNameShort: formatterType = kCFDateFormatterShortMonthSymbols; break; case QSystemLocale::MonthNameNarrow: formatterType = kCFDateFormatterVeryShortMonthSymbols; break; case QSystemLocale::StandaloneMonthNameLong: formatterType = kCFDateFormatterStandaloneMonthSymbols; break; case QSystemLocale::StandaloneMonthNameShort: formatterType = kCFDateFormatterShortStandaloneMonthSymbols; break; case QSystemLocale::StandaloneMonthNameNarrow: formatterType = kCFDateFormatterVeryShortStandaloneMonthSymbols; break; default: qWarning("macMonthName: Unsupported query type %d", type); return {}; } QCFType values = static_cast(CFDateFormatterCopyProperty(formatter, formatterType)); if (values != 0) { CFStringRef cfstring = static_cast(CFArrayGetValueAtIndex(values, month)); return QString::fromCFString(cfstring); } return {}; } static QVariant macDayName(int day, QSystemLocale::QueryType type) { if (day < 1 || day > 7) return {}; QCFType formatter = CFDateFormatterCreate(0, QCFType(CFLocaleCopyCurrent()), kCFDateFormatterNoStyle, kCFDateFormatterNoStyle); CFDateFormatterKey formatterType; switch (type) { case QSystemLocale::DayNameLong: formatterType = kCFDateFormatterWeekdaySymbols; break; case QSystemLocale::DayNameShort: formatterType = kCFDateFormatterShortWeekdaySymbols; break; case QSystemLocale::DayNameNarrow: formatterType = kCFDateFormatterVeryShortWeekdaySymbols; break; case QSystemLocale::StandaloneDayNameLong: formatterType = kCFDateFormatterStandaloneWeekdaySymbols; break; case QSystemLocale::StandaloneDayNameShort: formatterType = kCFDateFormatterShortStandaloneWeekdaySymbols; break; case QSystemLocale::StandaloneDayNameNarrow: formatterType = kCFDateFormatterVeryShortStandaloneWeekdaySymbols; break; default: qWarning("macDayName: Unsupported query type %d", type); return {}; } QCFType values = static_cast(CFDateFormatterCopyProperty(formatter, formatterType)); if (values != 0) { CFStringRef cfstring = static_cast(CFArrayGetValueAtIndex(values, day % 7)); return QString::fromCFString(cfstring); } return {}; } static QString macZeroDigit() { QCFType locale = CFLocaleCopyCurrent(); QCFType numberFormatter = CFNumberFormatterCreate(nullptr, locale, kCFNumberFormatterNoStyle); const int zeroDigit = 0; QCFType value = CFNumberFormatterCreateStringWithValue(nullptr, numberFormatter, kCFNumberIntType, &zeroDigit); return QString::fromCFString(value); } static QString zeroPad(QString &&number, int minDigits, const QString &zero) { // Need to pad with zeros, possibly after a sign. int insert = -1, digits = 0; auto it = QStringIterator(number); while (it.hasNext()) { int here = it.index(); if (QChar::isDigit(it.next())) { if (insert < 0) insert = here; ++digits; } // else: assume we're stepping over a sign (or maybe grouping separator) } Q_ASSERT(digits > 0); Q_ASSERT(insert >= 0); while (digits++ < minDigits) number.insert(insert, zero); return std::move(number); } static QString trimTwoDigits(QString &&number) { // Retain any sign, but remove all but the last two digits. // We know number has at least four digits - it came from fourDigitYear(). // Note that each digit might be a surrogate pair. int first = -1, prev = -1, last = -1; auto it = QStringIterator(number); while (it.hasNext()) { int here = it.index(); if (QChar::isDigit(it.next())) { if (first == -1) last = first = here; else if (last != -1) prev = std::exchange(last, here); } } Q_ASSERT(first >= 0); Q_ASSERT(prev > first); Q_ASSERT(last > prev); number.remove(first, prev - first); return std::move(number); } static QString fourDigitYear(int year, const QString &zero) { // Return year formatted as an (at least) four digit number: QCFType locale = CFLocaleCopyCurrent(); QCFType numberFormatter = CFNumberFormatterCreate(nullptr, locale, kCFNumberFormatterNoStyle); QCFType value = CFNumberFormatterCreateStringWithValue(nullptr, numberFormatter, kCFNumberIntType, &year); auto text = QString::fromCFString(value); if (year > -1000 && year < 1000) text = zeroPad(std::move(text), 4, zero); return text; } static QString macDateToStringImpl(QDate date, CFDateFormatterStyle style) { QCFType myDate = date.startOfDay().toCFDate(); QCFType mylocale = CFLocaleCopyCurrent(); QCFType myFormatter = CFDateFormatterCreate(kCFAllocatorDefault, mylocale, style, kCFDateFormatterNoStyle); QCFType text = CFDateFormatterCreateStringWithDate(0, myFormatter, myDate); return QString::fromCFString(text); } static QVariant macDateToString(QDate date, bool short_format) { const int year = date.year(); QString fakeYear, trueYear; if (year < 0) { // System API (in macOS 11.0, at least) discards sign :-( // Simply negating the year won't do as the resulting year typically has // a different pattern of week-days. int matcher = QGregorianCalendar::yearSharingWeekDays(date); Q_ASSERT(matcher > 0); Q_ASSERT(matcher % 100 != date.month()); Q_ASSERT(matcher % 100 != date.day()); // i.e. there can't be any confusion between the two-digit year and // month or day-of-month in the formatted date. QString zero = macZeroDigit(); fakeYear = fourDigitYear(matcher, zero); trueYear = fourDigitYear(year, zero); date = QDate(matcher, date.month(), date.day()); } QString text = macDateToStringImpl(date, short_format ? kCFDateFormatterShortStyle : kCFDateFormatterLongStyle); if (year < 0) { if (text.contains(fakeYear)) return std::move(text).replace(fakeYear, trueYear); // Cope with two-digit year: fakeYear = trimTwoDigits(std::move(fakeYear)); trueYear = trimTwoDigits(std::move(trueYear)); if (text.contains(fakeYear)) return std::move(text).replace(fakeYear, trueYear); // That should have worked. qWarning("Failed to fix up year when formatting a date in year %d", year); } return text; } static QVariant macTimeToString(QTime time, bool short_format) { QCFType myDate = QDateTime(QDate::currentDate(), time).toCFDate(); QCFType mylocale = CFLocaleCopyCurrent(); CFDateFormatterStyle style = short_format ? kCFDateFormatterShortStyle : kCFDateFormatterLongStyle; QCFType myFormatter = CFDateFormatterCreate(kCFAllocatorDefault, mylocale, kCFDateFormatterNoStyle, style); QCFType text = CFDateFormatterCreateStringWithDate(0, myFormatter, myDate); return QString::fromCFString(text); } // Mac uses the Unicode CLDR format codes // http://www.unicode.org/reports/tr35/tr35-dates.html#Date_Field_Symbol_Table // See also qtbase/util/locale_database/dateconverter.py // Makes the assumption that input formats are always well formed and consecutive letters // never exceed the maximum for the format code. static QVariant macToQtFormat(QStringView sys_fmt) { QString result; int i = 0; while (i < sys_fmt.size()) { if (sys_fmt.at(i).unicode() == '\'') { QString text = qt_readEscapedFormatString(sys_fmt, &i); if (text == QLatin1String("'")) result += QLatin1String("''"); else result += QLatin1Char('\'') + text + QLatin1Char('\''); continue; } QChar c = sys_fmt.at(i); int repeat = qt_repeatCount(sys_fmt.mid(i)); switch (c.unicode()) { // Qt does not support the following options case 'G': // Era (1..5): 4 = long, 1..3 = short, 5 = narrow case 'Y': // Year of Week (1..n): 1..n = padded number case 'U': // Cyclic Year Name (1..5): 4 = long, 1..3 = short, 5 = narrow case 'Q': // Quarter (1..4): 4 = long, 3 = short, 1..2 = padded number case 'q': // Standalone Quarter (1..4): 4 = long, 3 = short, 1..2 = padded number case 'w': // Week of Year (1..2): 1..2 = padded number case 'W': // Week of Month (1): 1 = number case 'D': // Day of Year (1..3): 1..3 = padded number case 'F': // Day of Week in Month (1): 1 = number case 'g': // Modified Julian Day (1..n): 1..n = padded number case 'A': // Milliseconds in Day (1..n): 1..n = padded number break; case 'y': // Year (1..n): 2 = short year, 1 & 3..n = padded number case 'u': // Extended Year (1..n): 2 = short year, 1 & 3..n = padded number // Qt only supports long (4) or short (2) year, use long for all others if (repeat == 2) result += QLatin1String("yy"); else result += QLatin1String("yyyy"); break; case 'M': // Month (1..5): 4 = long, 3 = short, 1..2 = number, 5 = narrow case 'L': // Standalone Month (1..5): 4 = long, 3 = short, 1..2 = number, 5 = narrow // Qt only supports long, short and number, use short for narrow if (repeat == 5) result += QLatin1String("MMM"); else result += QString(repeat, QLatin1Char('M')); break; case 'd': // Day of Month (1..2): 1..2 padded number result += QString(repeat, c); break; case 'E': // Day of Week (1..6): 4 = long, 1..3 = short, 5..6 = narrow // Qt only supports long, short and padded number, use short for narrow if (repeat == 4) result += QLatin1String("dddd"); else result += QLatin1String("ddd"); break; case 'e': // Local Day of Week (1..6): 4 = long, 3 = short, 5..6 = narrow, 1..2 padded number case 'c': // Standalone Local Day of Week (1..6): 4 = long, 3 = short, 5..6 = narrow, 1..2 padded number // Qt only supports long, short and padded number, use short for narrow if (repeat >= 5) result += QLatin1String("ddd"); else result += QString(repeat, QLatin1Char('d')); break; case 'a': // AM/PM (1): 1 = short // Translate to Qt uppercase AM/PM result += QLatin1String("AP"); break; case 'h': // Hour [1..12] (1..2): 1..2 = padded number case 'K': // Hour [0..11] (1..2): 1..2 = padded number case 'j': // Local Hour [12 or 24] (1..2): 1..2 = padded number // Qt h is local hour result += QString(repeat, QLatin1Char('h')); break; case 'H': // Hour [0..23] (1..2): 1..2 = padded number case 'k': // Hour [1..24] (1..2): 1..2 = padded number // Qt H is 0..23 hour result += QString(repeat, QLatin1Char('H')); break; case 'm': // Minutes (1..2): 1..2 = padded number case 's': // Seconds (1..2): 1..2 = padded number result += QString(repeat, c); break; case 'S': // Fractional second (1..n): 1..n = truncates to decimal places // Qt uses msecs either unpadded or padded to 3 places if (repeat < 3) result += QLatin1Char('z'); else result += QLatin1String("zzz"); break; case 'z': // Time Zone (1..4) case 'Z': // Time Zone (1..5) case 'O': // Time Zone (1, 4) case 'v': // Time Zone (1, 4) case 'V': // Time Zone (1..4) case 'X': // Time Zone (1..5) case 'x': // Time Zone (1..5) result += QLatin1Char('t'); break; default: // a..z and A..Z are reserved for format codes, so any occurrence of these not // already processed are not known and so unsupported formats to be ignored. // All other chars are allowed as literals. if (c < QLatin1Char('A') || c > QLatin1Char('z') || (c > QLatin1Char('Z') && c < QLatin1Char('a'))) { result += QString(repeat, c); } break; } i += repeat; } return !result.isEmpty() ? QVariant::fromValue(result) : QVariant(); } static QVariant getMacDateFormat(CFDateFormatterStyle style) { QCFType l = CFLocaleCopyCurrent(); QCFType formatter = CFDateFormatterCreate(kCFAllocatorDefault, l, style, kCFDateFormatterNoStyle); return macToQtFormat(QString::fromCFString(CFDateFormatterGetFormat(formatter))); } static QVariant getMacTimeFormat(CFDateFormatterStyle style) { QCFType l = CFLocaleCopyCurrent(); QCFType formatter = CFDateFormatterCreate(kCFAllocatorDefault, l, kCFDateFormatterNoStyle, style); return macToQtFormat(QString::fromCFString(CFDateFormatterGetFormat(formatter))); } static QVariant getCFLocaleValue(CFStringRef key) { QCFType locale = CFLocaleCopyCurrent(); CFTypeRef value = CFLocaleGetValue(locale, key); if (!value) return QVariant(); return QString::fromCFString(CFStringRef(static_cast(value))); } static QVariant macMeasurementSystem() { QCFType locale = CFLocaleCopyCurrent(); CFStringRef system = static_cast(CFLocaleGetValue(locale, kCFLocaleMeasurementSystem)); if (QString::fromCFString(system) == QLatin1String("Metric")) { return QLocale::MetricSystem; } else { return QLocale::ImperialSystem; } } static quint8 macFirstDayOfWeek() { QCFType calendar = CFCalendarCopyCurrent(); quint8 day = static_cast(CFCalendarGetFirstWeekday(calendar))-1; if (day == 0) day = 7; return day; } static QVariant macCurrencySymbol(QLocale::CurrencySymbolFormat format) { QCFType locale = CFLocaleCopyCurrent(); switch (format) { case QLocale::CurrencyIsoCode: return QString::fromCFString(static_cast(CFLocaleGetValue(locale, kCFLocaleCurrencyCode))); case QLocale::CurrencySymbol: return QString::fromCFString(static_cast(CFLocaleGetValue(locale, kCFLocaleCurrencySymbol))); case QLocale::CurrencyDisplayName: { CFStringRef code = static_cast(CFLocaleGetValue(locale, kCFLocaleCurrencyCode)); QCFType value = CFLocaleCopyDisplayNameForPropertyValue(locale, kCFLocaleCurrencyCode, code); return QString::fromCFString(value); } default: break; } return {}; } #ifndef QT_NO_SYSTEMLOCALE static QVariant macFormatCurrency(const QSystemLocale::CurrencyToStringArgument &arg) { QCFType value; switch (arg.value.metaType().id()) { case QMetaType::Int: case QMetaType::UInt: { int v = arg.value.toInt(); value = CFNumberCreate(NULL, kCFNumberIntType, &v); break; } case QMetaType::Double: { double v = arg.value.toDouble(); value = CFNumberCreate(NULL, kCFNumberDoubleType, &v); break; } case QMetaType::LongLong: case QMetaType::ULongLong: { qint64 v = arg.value.toLongLong(); value = CFNumberCreate(NULL, kCFNumberLongLongType, &v); break; } default: return {}; } QCFType locale = CFLocaleCopyCurrent(); QCFType currencyFormatter = CFNumberFormatterCreate(NULL, locale, kCFNumberFormatterCurrencyStyle); if (!arg.symbol.isEmpty()) { CFNumberFormatterSetProperty(currencyFormatter, kCFNumberFormatterCurrencySymbol, arg.symbol.toCFString()); } QCFType result = CFNumberFormatterCreateStringWithNumber(NULL, currencyFormatter, value); return QString::fromCFString(result); } static QVariant macQuoteString(QSystemLocale::QueryType type, QStringView str) { QString begin, end; QCFType locale = CFLocaleCopyCurrent(); switch (type) { case QSystemLocale::StringToStandardQuotation: begin = QString::fromCFString(static_cast(CFLocaleGetValue(locale, kCFLocaleQuotationBeginDelimiterKey))); end = QString::fromCFString(static_cast(CFLocaleGetValue(locale, kCFLocaleQuotationEndDelimiterKey))); return QString(begin % str % end); case QSystemLocale::StringToAlternateQuotation: begin = QString::fromCFString(static_cast(CFLocaleGetValue(locale, kCFLocaleAlternateQuotationBeginDelimiterKey))); end = QString::fromCFString(static_cast(CFLocaleGetValue(locale, kCFLocaleAlternateQuotationEndDelimiterKey))); return QString(begin % str % end); default: break; } return QVariant(); } #endif //QT_NO_SYSTEMLOCALE #ifndef QT_NO_SYSTEMLOCALE QLocale QSystemLocale::fallbackLocale() const { return QLocale(getMacLocaleName()); } template static QVariant getLocaleValue(CFStringRef key) { if (auto code = getCFLocaleValue(key); !code.isNull()) { // If an invalid locale is requested with -AppleLocale, the system APIs // will report invalid or empty locale values back to us, which codeToLanguage() // and friends will fail to parse, resulting in returning QLocale::Any{L/C/S}. // If this is the case, we fall down and return a null-variant, which // QLocale's updateSystemPrivate() will interpret to use fallback logic. if (auto value = CodeToValueFunction(code.toString())) return value; } return QVariant(); } static QLocale::Language codeToLanguage(QStringView s) { return QLocalePrivate::codeToLanguage(s); } QVariant QSystemLocale::query(QueryType type, QVariant in) const { QMacAutoReleasePool pool; switch(type) { case LanguageId: return getLocaleValue(kCFLocaleLanguageCode); case TerritoryId: return getLocaleValue(kCFLocaleCountryCode); case ScriptId: return getLocaleValue(kCFLocaleScriptCode); case DecimalPoint: return getCFLocaleValue(kCFLocaleDecimalSeparator); case GroupSeparator: return getCFLocaleValue(kCFLocaleGroupingSeparator); case DateFormatLong: case DateFormatShort: return getMacDateFormat(type == DateFormatShort ? kCFDateFormatterShortStyle : kCFDateFormatterLongStyle); case TimeFormatLong: case TimeFormatShort: return getMacTimeFormat(type == TimeFormatShort ? kCFDateFormatterShortStyle : kCFDateFormatterLongStyle); case DayNameLong: case DayNameShort: case DayNameNarrow: case StandaloneDayNameLong: case StandaloneDayNameShort: case StandaloneDayNameNarrow: return macDayName(in.toInt(), type); case MonthNameLong: case MonthNameShort: case MonthNameNarrow: case StandaloneMonthNameLong: case StandaloneMonthNameShort: case StandaloneMonthNameNarrow: return macMonthName(in.toInt(), type); case DateToStringShort: case DateToStringLong: return macDateToString(in.toDate(), (type == DateToStringShort)); case TimeToStringShort: case TimeToStringLong: return macTimeToString(in.toTime(), (type == TimeToStringShort)); case NegativeSign: case PositiveSign: break; case ZeroDigit: return macZeroDigit(); case MeasurementSystem: return macMeasurementSystem(); case AMText: case PMText: { QCFType locale = CFLocaleCopyCurrent(); QCFType formatter = CFDateFormatterCreate(NULL, locale, kCFDateFormatterLongStyle, kCFDateFormatterLongStyle); QCFType value = static_cast(CFDateFormatterCopyProperty(formatter, (type == AMText ? kCFDateFormatterAMSymbol : kCFDateFormatterPMSymbol))); return QString::fromCFString(value); } case FirstDayOfWeek: return QVariant(macFirstDayOfWeek()); case CurrencySymbol: return macCurrencySymbol(QLocale::CurrencySymbolFormat(in.toUInt())); case CurrencyToString: return macFormatCurrency(in.value()); case UILanguages: { QStringList result; QCFType languages = CFLocaleCopyPreferredLanguages(); const int cnt = CFArrayGetCount(languages); result.reserve(cnt); for (int i = 0; i < cnt; ++i) { const QString lang = QString::fromCFString( static_cast(CFArrayGetValueAtIndex(languages, i))); result.append(lang); } return QVariant(result); } case StringToStandardQuotation: case StringToAlternateQuotation: return macQuoteString(type, in.value()); default: break; } return QVariant(); } #endif // QT_NO_SYSTEMLOCALE QT_END_NAMESPACE