status_t
BFormattingConventions::GetTimeFormat(BTimeFormatStyle style,
BString& outFormat) const
{
if (style < 0 || style >= B_TIME_FORMAT_STYLE_COUNT)
return B_BAD_VALUE;
outFormat = fExplicitTimeFormats[style].Length()
? fExplicitTimeFormats[style]
: fCachedTimeFormats[style];
if (outFormat.Length() > 0)
return B_OK;
ObjectDeleter<DateFormat> timeFormatter(
DateFormat::createTimeInstance((DateFormat::EStyle)style, *fICULocale));
if (timeFormatter.Get() == NULL)
return B_NO_MEMORY;
SimpleDateFormat* timeFormatterImpl
= static_cast<SimpleDateFormat*>(timeFormatter.Get());
UnicodeString icuString;
timeFormatterImpl->toPattern(icuString);
BStringByteSink stringConverter(&outFormat);
icuString.toUTF8(stringConverter);
int8 use24HourClock = fExplicitUse24HourClock != CLOCK_HOURS_UNSET
? fExplicitUse24HourClock : fCachedUse24HourClock;
if (use24HourClock != CLOCK_HOURS_UNSET) {
// adjust to 12/24-hour clock as requested
bool localeUses24HourClock = !FormatUsesAmPm(outFormat);
if (localeUses24HourClock) {
if (use24HourClock == CLOCK_HOURS_12)
CoerceFormatTo12HourClock(outFormat);
} else {
if (use24HourClock == CLOCK_HOURS_24)
CoerceFormatTo24HourClock(outFormat);
}
}
// use abbreviated timezone in short timezone format
CoerceFormatToAbbreviatedTimezone(outFormat);
fCachedTimeFormats[style] = outFormat;
return B_OK;
}
void
BFormattingConventions::CoerceFormatForClock(BString& outFormat) const
{
int8 use24HourClock = fExplicitUse24HourClock != CLOCK_HOURS_UNSET
? fExplicitUse24HourClock : fCachedUse24HourClock;
if (use24HourClock != CLOCK_HOURS_UNSET) {
// adjust to 12/24-hour clock as requested
bool localeUses24HourClock = !FormatUsesAmPm(outFormat);
if (localeUses24HourClock) {
if (use24HourClock == CLOCK_HOURS_12)
CoerceFormatTo12HourClock(outFormat);
} else {
if (use24HourClock == CLOCK_HOURS_24)
CoerceFormatTo24HourClock(outFormat);
}
}
}