// global data
// ----------------------------------------------------------------------------
+const wxChar * wxDefaultDateTimeFormat = wxT("%c");
+const wxChar * wxDefaultTimeSpanFormat = wxT("%H:%M:%S");
+
// in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to
// indicate an invalid wxDateTime object
const wxDateTime wxDefaultDateTime;
break;
}
- return !s.IsEmpty() && s.ToULong(number);
+ return !s.empty() && s.ToULong(number);
}
// scans all alphabetic characters and returns the resulting string
mday = (wxDateTime::wxDateTime_t)tm.tm_mday;
mon = (wxDateTime::Month)tm.tm_mon;
year = 1900 + tm.tm_year;
- wday = tm.tm_wday;
- yday = tm.tm_yday;
+ wday = (wxDateTime::wxDateTime_t)tm.tm_wday;
+ yday = (wxDateTime::wxDateTime_t)tm.tm_yday;
}
bool wxDateTime::Tm::IsValid() const
// compute the week day from day/month/year: we use the dumbest algorithm
// possible: just compute our JDN and then use the (simple to derive)
// formula: weekday = (JDN + 1.5) % 7
- wday = (wxDateTime::WeekDay)(GetTruncatedJDN(mday, mon, year) + 2) % 7;
+ wday = (wxDateTime::wxDateTime_t)((wxDateTime::WeekDay)(GetTruncatedJDN(mday, mon, year) + 2) % 7);
}
void wxDateTime::Tm::AddMonths(int monDiff)
wxString wxDateTime::GetMonthName(wxDateTime::Month month,
wxDateTime::NameFlags flags)
{
- wxCHECK_MSG( month != Inv_Month, _T(""), _T("invalid month") );
+ wxCHECK_MSG( month != Inv_Month, wxEmptyString, _T("invalid month") );
// notice that we must set all the fields to avoid confusing libc (GNU one
// gets confused to a crash if we don't do this)
wxString wxDateTime::GetWeekDayName(wxDateTime::WeekDay wday,
wxDateTime::NameFlags flags)
{
- wxCHECK_MSG( wday != Inv_WeekDay, _T(""), _T("invalid weekday") );
+ wxCHECK_MSG( wday != Inv_WeekDay, wxEmptyString, _T("invalid weekday") );
// take some arbitrary Sunday (but notice that the day should be such that
// after adding wday to it below we still have a valid date, e.g. don't
tm->tm_min = minute;
tm->tm_sec = second;
+ // and the DST in case it changes on this date
+ struct tm tm2(*tm);
+ mktime(&tm2);
+ if ( tm2.tm_isdst != tm->tm_isdst )
+ tm->tm_isdst = tm2.tm_isdst;
+
(void)Set(*tm);
// and finally adjust milliseconds
wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
{
- wxCHECK_MSG( format, _T(""), _T("NULL format in wxDateTime::Format") );
+ wxCHECK_MSG( format, wxEmptyString, _T("NULL format in wxDateTime::Format") );
// we have to use our own implementation if the date is out of range of
// strftime() or if we use non standard specificators
fmt += *p;
}
- if ( !fmt.IsEmpty() )
+ if ( !fmt.empty() )
{
// we've only got the flags and width so far in fmt
fmt.Prepend(_T('%'));
wxString am, pm, token = GetAlphaToken(input);
GetAmPmStrings(&am, &pm);
- if (am.IsEmpty() && pm.IsEmpty())
+ if (am.empty() && pm.empty())
return (wxChar *)NULL; // no am/pm strings defined
if ( token.CmpNoCase(pm) == 0 )
{
return !wxDateTimeHolidayAuthority::IsHoliday(*this);
}
+// ============================================================================
+// wxDateSpan
+// ============================================================================
+
+wxDateSpan WXDLLIMPEXP_BASE operator*(int n, const wxDateSpan& ds)
+{
+ wxDateSpan ds1(ds);
+ return ds1.Multiply(n);
+}
+
// ============================================================================
// wxTimeSpan
// ============================================================================
+wxTimeSpan WXDLLIMPEXP_BASE operator*(int n, const wxTimeSpan& ts)
+{
+ return wxTimeSpan(ts).Multiply(n);
+}
+
// this enum is only used in wxTimeSpan::Format() below but we can't declare
// it locally to the method as it provokes an internal compiler error in egcs
// 2.91.60 when building with -O2
// %l milliseconds (000 - 999)
wxString wxTimeSpan::Format(const wxChar *format) const
{
- wxCHECK_MSG( format, _T(""), _T("NULL format in wxTimeSpan::Format") );
+ wxCHECK_MSG( format, wxEmptyString, _T("NULL format in wxTimeSpan::Format") );
wxString str;
str.Alloc(wxStrlen(format));
return holidays.GetCount();
}
+// ============================================================================
+// other helper functions
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// iteration helpers: can be used to write a for loop over enum variable like
+// this:
+// for ( m = wxDateTime::Jan; m < wxDateTime::Inv_Month; wxNextMonth(m) )
+// ----------------------------------------------------------------------------
+
+WXDLLIMPEXP_BASE void wxNextMonth(wxDateTime::Month& m)
+{
+ wxASSERT_MSG( m < wxDateTime::Inv_Month, _T("invalid month") );
+
+ // no wrapping or the for loop above would never end!
+ m = (wxDateTime::Month)(m + 1);
+}
+
+WXDLLIMPEXP_BASE void wxPrevMonth(wxDateTime::Month& m)
+{
+ wxASSERT_MSG( m < wxDateTime::Inv_Month, _T("invalid month") );
+
+ m = m == wxDateTime::Jan ? wxDateTime::Inv_Month
+ : (wxDateTime::Month)(m - 1);
+}
+
+WXDLLIMPEXP_BASE void wxNextWDay(wxDateTime::WeekDay& wd)
+{
+ wxASSERT_MSG( wd < wxDateTime::Inv_WeekDay, _T("invalid week day") );
+
+ // no wrapping or the for loop above would never end!
+ wd = (wxDateTime::WeekDay)(wd + 1);
+}
+
+WXDLLIMPEXP_BASE void wxPrevWDay(wxDateTime::WeekDay& wd)
+{
+ wxASSERT_MSG( wd < wxDateTime::Inv_WeekDay, _T("invalid week day") );
+
+ wd = wd == wxDateTime::Sun ? wxDateTime::Inv_WeekDay
+ : (wxDateTime::WeekDay)(wd - 1);
+}
+
#endif // wxUSE_DATETIME