LogDecorators::Decorator LogDecorators::from_string(const char* str) {
for (size_t i = 0; i < Count; i++) {
Decorator d = static_cast<Decorator>(i);
if (strcasecmp(str, name(d)) == 0 || strcasecmp(str, abbreviation(d)) == 0) {
return d;
}
}
return Invalid;
}
QTimeZonePrivate::Data QAndroidTimeZonePrivate::data(qint64 forMSecsSinceEpoch) const
{
if (androidTimeZone.isValid()) {
Data data;
data.atMSecsSinceEpoch = forMSecsSinceEpoch;
data.standardTimeOffset = standardTimeOffset(forMSecsSinceEpoch);
data.offsetFromUtc = offsetFromUtc(forMSecsSinceEpoch);
data.daylightTimeOffset = data.offsetFromUtc - data.standardTimeOffset;
data.abbreviation = abbreviation(forMSecsSinceEpoch);
return data;
} else {
return invalidData();
}
}
QTimeZonePrivate::Data QIcuTimeZonePrivate::data(qint64 forMSecsSinceEpoch) const
{
// Available in ICU C++ api, and draft C api in v50
// TODO When v51 released see if api is stable
QTimeZonePrivate::Data data = invalidData();
#if U_ICU_VERSION_MAJOR_NUM == 50
data = ucalTimeZoneTransition(m_ucal, UCAL_TZ_TRANSITION_PREVIOUS_INCLUSIVE,
forMSecsSinceEpoch);
#else
ucalOffsetsAtTime(m_ucal, forMSecsSinceEpoch, &data.standardTimeOffset,
&data.daylightTimeOffset);
data.offsetFromUtc = data.standardTimeOffset + data.daylightTimeOffset;
data.abbreviation = abbreviation(forMSecsSinceEpoch);
#endif // U_ICU_VERSION_MAJOR_NUM == 50
data.atMSecsSinceEpoch = forMSecsSinceEpoch;
return data;
}
QString format ( enum UnitFormat format, int precision, double value,
bool use_unicode ) const
{
switch ( format ) {
case FRACTIONAL:
{
// The limit of fractional values to 1/256-ths is hardcoded.
QString formatted_value;
if ( fabs( value ) < 1./256. )
formatted_value = "0";
else {
// Extract the integral part
int a = (int)value;
if ( a != 0 )
formatted_value = QString::number( a );
// Extract the fractional part: NOTE: THIS IS LIMITED TO
// REPRESENTING ALL FRACTIONS AS n/256!
int b = (int)rint( 256 * fabs( value - a ) );
// If b is exactly 256, then the original number was essentially
// an integer (to withing 1/256-th)
if ( b == 256 )
formatted_value = QString::number( rint( value ) );
else if ( b != 0 ) {
int c = 256;
if ( !formatted_value.isEmpty() )
formatted_value += QChar( 0xa0 );
else if ( value < 0 )
formatted_value = "-";
// If required, shift to the 0xE000 private UNICODE
// page using the old trick of subtracting the character '0'
// from another numeric character to find the integral value.
ushort num_unicode_offset =
lC::UNICODE_PRIVATE_PAGE - QChar('0').unicode();
ushort den_unicode_offset =
lC::UNICODE_PRIVATE_PAGE + 0x10 - QChar('0').unicode();
if ( !use_unicode ) {
num_unicode_offset = 0;
den_unicode_offset = 0;
}
// Remove common factors of two from the numerator and denominator
// (i.e. (b&1) == 0 implies b is even)
for ( ; ( b & 1 ) == 0; b >>= 1, c >>= 1 );
// Format the numerator and shift to the 0xE000 sequence
QString numerator = QString::number( b );
for ( int i = 0; i < numerator.length(); i++ )
numerator[i] = QChar( numerator.at(i).unicode() +
num_unicode_offset );
formatted_value += numerator;
formatted_value += use_unicode ?
QChar( 0xE00a ) // The custom '/' character
: QChar( '/' );
// Format the denominator and shift to the 0xE010 sequence
QString denominator = QString::number( c );
for ( int i = 0; i < denominator.length(); i++ )
denominator[i] = QChar( denominator.at(i).unicode() +
den_unicode_offset );
formatted_value += denominator;
}
}
// Finally, tack on the abbreviation
return lC::STR::VALUE_UNIT.arg( formatted_value ).arg( abbreviation() );
}
case DECIMAL:
{
return lC::STR::VALUE_UNIT.arg( value, 0, 'f', precision).arg(abbreviation());
}
}