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-rw-r--r--src/corelib/tools/qlocale.cpp215
1 files changed, 155 insertions, 60 deletions
diff --git a/src/corelib/tools/qlocale.cpp b/src/corelib/tools/qlocale.cpp
index ff10fa1..1df4fa0 100644
--- a/src/corelib/tools/qlocale.cpp
+++ b/src/corelib/tools/qlocale.cpp
@@ -1274,11 +1274,25 @@ QLocale QSystemLocale::fallbackLocale() const
*/
QVariant QSystemLocale::query(QueryType type, QVariant /* in */) const
{
- if (type == MeasurementSystem) {
+ switch (type) {
+ case MeasurementSystem:
return QVariant(unixGetSystemMeasurementSystem());
- } else {
- return QVariant();
+ case LanguageId:
+ case CountryId: {
+ QString locale = QLatin1String(envVarLocale());
+ QLocale::Language lang;
+ QLocale::Country cntry;
+ getLangAndCountry(locale, lang, cntry);
+ if (type == LanguageId)
+ return lang;
+ if (cntry == QLocale::AnyCountry)
+ return fallbackLocale().country();
+ return cntry;
}
+ default:
+ break;
+ }
+ return QVariant();
}
#elif !defined(Q_OS_SYMBIAN)
@@ -1388,7 +1402,8 @@ QSystemLocale::QSystemLocale()
/*! \internal */
QSystemLocale::QSystemLocale(bool)
-{ }
+{
+}
/*!
Deletes the object.
@@ -1410,16 +1425,71 @@ static const QSystemLocale *systemLocale()
return QSystemLocale_globalSystemLocale();
}
+// returns the private data for the system locale. Cached data will not be
+// initialized until the updateSystemPrivate is called.
+static const QLocalePrivate *systemPrivate()
+{
+#ifndef QT_NO_SYSTEMLOCALE
+ if (!system_lp) {
+ system_lp = globalLocalePrivate();
+ // mark the locale as uninitialized system locale
+ system_lp->m_language_id = 0;
+ }
+ return system_lp;
+#else
+ return locale_data;
+#endif
+}
+
+#ifndef QT_NO_SYSTEMLOCALE
+static const QLocalePrivate *maybeSystemPrivate()
+{
+ return system_lp;
+}
+#endif
+
+static const QLocalePrivate *defaultPrivate()
+{
+ if (!default_lp)
+ default_lp = systemPrivate();
+ return default_lp;
+}
+
+bool QLocalePrivate::isUninitializedSystemLocale() const
+{
+ return this == maybeSystemPrivate() && m_language_id == 0;
+}
+
+QVariant QLocalePrivate::querySystemLocale(QSystemLocale::QueryType type, const QVariant &in) const
+{
+ QVariant res = systemLocale()->query(type, in);
+ if (res.isNull() && isUninitializedSystemLocale()) {
+ // if we were not able to get data from the system, initialize the
+ // system locale private data (which is essentially equals to this)
+ // with a fallback locale.
+ QLocalePrivate *system_private = globalLocalePrivate();
+ *system_private = *systemLocale()->fallbackLocale().d();
+ // internal cache is not initialized with values from the system, mark
+ // it as not fully initialized system locale.
+ system_private->m_language_id = 0;
+ }
+ return res;
+}
+
+// retrieves data from the system locale and caches them locally.
void QLocalePrivate::updateSystemPrivate()
{
const QSystemLocale *sys_locale = systemLocale();
if (!system_lp)
- system_lp = globalLocalePrivate();
+ return;
+
+ // copy over the information from the fallback locale and modify
*system_lp = *sys_locale->fallbackLocale().d();
QVariant res = sys_locale->query(QSystemLocale::LanguageId, QVariant());
if (!res.isNull())
system_lp->m_language_id = res.toInt();
+
res = sys_locale->query(QSystemLocale::CountryId, QVariant());
if (!res.isNull())
system_lp->m_country_id = res.toInt();
@@ -1446,26 +1516,6 @@ void QLocalePrivate::updateSystemPrivate()
}
#endif
-static const QLocalePrivate *systemPrivate()
-{
-#ifndef QT_NO_SYSTEMLOCALE
- // copy over the information from the fallback locale and modify
- if (!system_lp || system_lp->m_language_id == 0)
- QLocalePrivate::updateSystemPrivate();
-
- return system_lp;
-#else
- return locale_data;
-#endif
-}
-
-static const QLocalePrivate *defaultPrivate()
-{
- if (!default_lp)
- default_lp = systemPrivate();
- return default_lp;
-}
-
static QString getLocaleListData(const ushort *data, int size, int index)
{
static const ushort separator = ';';
@@ -2283,7 +2333,12 @@ void QLocale::setDefault(const QLocale &locale)
*/
QLocale::Language QLocale::language() const
{
- return Language(d()->languageId());
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return Language(dd->languageId());
}
/*!
@@ -2293,7 +2348,12 @@ QLocale::Language QLocale::language() const
*/
QLocale::Country QLocale::country() const
{
- return Country(d()->countryId());
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return Country(dd->countryId());
}
/*!
@@ -2631,8 +2691,8 @@ QString QLocale::toString(const QDate &date, FormatType format) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(format == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(format == LongFormat
? QSystemLocale::DateToStringLong : QSystemLocale::DateToStringShort,
date);
if (!res.isNull())
@@ -2726,8 +2786,8 @@ QString QLocale::toString(const QDateTime &dateTime, FormatType format) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(format == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(format == LongFormat
? QSystemLocale::DateTimeToStringLong
: QSystemLocale::DateTimeToStringShort,
dateTime);
@@ -2752,8 +2812,8 @@ QString QLocale::toString(const QTime &time, FormatType format) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(format == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(format == LongFormat
? QSystemLocale::TimeToStringLong : QSystemLocale::TimeToStringShort,
time);
if (!res.isNull())
@@ -2779,8 +2839,8 @@ QString QLocale::toString(const QTime &time, FormatType format) const
QString QLocale::dateFormat(FormatType format) const
{
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(format == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(format == LongFormat
? QSystemLocale::DateFormatLong : QSystemLocale::DateFormatShort,
QVariant());
if (!res.isNull())
@@ -2816,8 +2876,8 @@ QString QLocale::dateFormat(FormatType format) const
QString QLocale::timeFormat(FormatType format) const
{
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(format == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(format == LongFormat
? QSystemLocale::TimeFormatLong : QSystemLocale::TimeFormatShort,
QVariant());
if (!res.isNull())
@@ -2853,8 +2913,8 @@ QString QLocale::timeFormat(FormatType format) const
QString QLocale::dateTimeFormat(FormatType format) const
{
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(format == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(format == LongFormat
? QSystemLocale::DateTimeFormatLong
: QSystemLocale::DateTimeFormatShort,
QVariant());
@@ -3021,7 +3081,12 @@ QDateTime QLocale::toDateTime(const QString &string, const QString &format) cons
*/
QChar QLocale::decimalPoint() const
{
- return d()->decimal();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->decimal();
}
/*!
@@ -3031,7 +3096,12 @@ QChar QLocale::decimalPoint() const
*/
QChar QLocale::groupSeparator() const
{
- return d()->group();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->group();
}
/*!
@@ -3041,7 +3111,12 @@ QChar QLocale::groupSeparator() const
*/
QChar QLocale::percent() const
{
- return d()->percent();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->percent();
}
/*!
@@ -3051,7 +3126,12 @@ QChar QLocale::percent() const
*/
QChar QLocale::zeroDigit() const
{
- return d()->zero();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->zero();
}
/*!
@@ -3061,7 +3141,12 @@ QChar QLocale::zeroDigit() const
*/
QChar QLocale::negativeSign() const
{
- return d()->minus();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->minus();
}
/*!
@@ -3071,7 +3156,12 @@ QChar QLocale::negativeSign() const
*/
QChar QLocale::positiveSign() const
{
- return d()->plus();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->plus();
}
/*!
@@ -3081,7 +3171,12 @@ QChar QLocale::positiveSign() const
*/
QChar QLocale::exponential() const
{
- return d()->exponential();
+ const QLocalePrivate *dd = d();
+#ifndef QT_NO_SYSTEMLOCALE
+ if (dd->isUninitializedSystemLocale())
+ QLocalePrivate::updateSystemPrivate();
+#endif
+ return dd->exponential();
}
static bool qIsUpper(char c)
@@ -3200,8 +3295,8 @@ QString QLocale::monthName(int month, FormatType type) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(type == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(type == LongFormat
? QSystemLocale::MonthNameLong : QSystemLocale::MonthNameShort,
month);
if (!res.isNull())
@@ -3246,8 +3341,8 @@ QString QLocale::standaloneMonthName(int month, FormatType type) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(type == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(type == LongFormat
? QSystemLocale::MonthNameLong : QSystemLocale::MonthNameShort,
month);
if (!res.isNull())
@@ -3293,8 +3388,8 @@ QString QLocale::dayName(int day, FormatType type) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(type == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(type == LongFormat
? QSystemLocale::DayNameLong : QSystemLocale::DayNameShort,
day);
if (!res.isNull())
@@ -3342,8 +3437,8 @@ QString QLocale::standaloneDayName(int day, FormatType type) const
return QString();
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(type == LongFormat
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(type == LongFormat
? QSystemLocale::DayNameLong : QSystemLocale::DayNameShort,
day);
if (!res.isNull())
@@ -3387,8 +3482,8 @@ QLocale::MeasurementSystem QLocale::measurementSystem() const
bool found = false;
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(QSystemLocale::MeasurementSystem, QVariant());
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(QSystemLocale::MeasurementSystem, QVariant());
if (!res.isNull()) {
meas = MeasurementSystem(res.toInt());
found = true;
@@ -3415,8 +3510,8 @@ QLocale::MeasurementSystem QLocale::measurementSystem() const
QString QLocale::amText() const
{
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(QSystemLocale::AMText, QVariant());
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(QSystemLocale::AMText, QVariant());
if (!res.isNull())
return res.toString();
}
@@ -3435,8 +3530,8 @@ QString QLocale::amText() const
QString QLocale::pmText() const
{
#ifndef QT_NO_SYSTEMLOCALE
- if (d() == systemPrivate()) {
- QVariant res = systemLocale()->query(QSystemLocale::PMText, QVariant());
+ if (d() == maybeSystemPrivate()) {
+ QVariant res = d()->querySystemLocale(QSystemLocale::PMText, QVariant());
if (!res.isNull())
return res.toString();
}