void wxDateTime::Tm::AddDays(int dayDiff)
{
// normalize the days field
- mday += dayDiff;
- while ( mday < 1 )
+ while ( dayDiff + mday < 1 )
{
AddMonths(-1);
- mday += GetNumOfDaysInMonth(year, mon);
+ dayDiff += GetNumOfDaysInMonth(year, mon);
}
+ mday += dayDiff;
while ( mday > GetNumOfDaysInMonth(year, mon) )
{
mday -= GetNumOfDaysInMonth(year, mon);
_T("Invalid time in wxDateTime::Set()") );
// get the current date from system
- time_t timet = GetTimeNow();
- struct tm *tm = localtime(&timet);
+ struct tm *tm = GetTmNow();
wxCHECK_MSG( tm, wxInvalidDateTime, _T("localtime() failed") );
return *this;
}
+wxDateTime& wxDateTime::ResetTime()
+{
+ Tm tm = GetTm();
+
+ if ( tm.hour || tm.min || tm.sec || tm.msec )
+ {
+ tm.msec =
+ tm.sec =
+ tm.min =
+ tm.hour = 0;
+
+ Set(tm);
+ }
+
+ return *this;
+}
+
// ----------------------------------------------------------------------------
// time_t <-> broken down time conversions
// ----------------------------------------------------------------------------
wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
{
-#ifdef __VMS__
- int time2;
-#endif
wxASSERT_MSG( IsValid(), _T("invalid wxDateTime") );
time_t time = GetTicks();
}
else
{
- time += tz.GetOffset();
-#ifdef __VMS__ /* time is unsigned so VMS gives a warning on the original */
- time2 = (int) time;
- if ( time2 >= 0 )
+ time += (time_t)tz.GetOffset();
+#ifdef __VMS__ // time is unsigned so avoid warning
+ int time2 = (int) time;
+ if ( time2 >= 0 )
#else
- if ( time >= 0 )
+ if ( time >= 0 )
#endif
{
tm = gmtime(&time);
Set(tm);
+ wxASSERT_MSG( IsSameTime(tm),
+ _T("Add(wxDateSpan) shouldn't modify time") );
+
return *this;
}
int year)
{
// take the current month/year if none specified
- ReplaceDefaultYearMonthWithCurrent(&year, &month);
+ if ( year == Inv_Year )
+ year = GetYear();
+ if ( month == Inv_Month )
+ month = GetMonth();
return Set(GetNumOfDaysInMonth(year, month), month, year);
}
return gs_cumulatedDays[IsLeapYear(tm.year)][tm.mon] + tm.mday;
}
-wxDateTime::wxDateTime_t wxDateTime::GetWeekOfYear(const TimeZone& tz) const
+wxDateTime::wxDateTime_t wxDateTime::GetWeekOfYear(wxDateTime::WeekFlags flags,
+ const TimeZone& tz) const
{
-#if 1
- // the first week of the year is the one which contains Jan, 4 (according
- // to ISO standard rule), so the year day N0 = 4 + 7*W always lies in the
- // week W+1. As any day N = 7*W + 4 + (N - 4)%7, it lies in the same week
- // as N0 or in the next one.
-
- // TODO this surely may be optimized - I got confused while writing it
+ if ( flags == Default_First )
+ {
+ flags = GetCountry() == USA ? Sunday_First : Monday_First;
+ }
wxDateTime_t nDayInYear = GetDayOfYear(tz);
+ wxDateTime_t week;
- // the week day of the day lying in the first week
- WeekDay wdayStart = wxDateTime(4, Jan, GetYear()).GetWeekDay();
-
- wxDateTime_t week = (nDayInYear - 4) / 7 + 1;
+ WeekDay wd = GetWeekDay(tz);
+ if ( flags == Sunday_First )
+ {
+ week = (nDayInYear - wd + 7) / 7;
+ }
+ else
+ {
+ // have to shift the week days values
+ week = (nDayInYear - (wd - 1 + 7) % 7 + 7) / 7;
+ }
- // notice that Sunday shoould be counted as 7, not 0 here!
- if ( ((nDayInYear - 4) % 7) + (!wdayStart ? 7 : wdayStart) > 7 )
+ // FIXME some more elegant way??
+ WeekDay wdYearStart = wxDateTime(1, Jan, GetYear()).GetWeekDay();
+ if ( wdYearStart == Wed || wdYearStart == Thu )
{
week++;
}
return week;
-#else // 0
- // an attempt at doing it simpler - but this doesn't quite work...
- return (WeekDay)((GetDayOfYear(tz) - (GetWeekDay(tz) - 1 + 7) % 7 + 7) / 7);
-#endif // 0/1
}
-wxDateTime::wxDateTime_t wxDateTime::GetWeekOfMonth(const TimeZone& tz) const
+wxDateTime::wxDateTime_t wxDateTime::GetWeekOfMonth(wxDateTime::WeekFlags flags,
+ const TimeZone& tz) const
{
- size_t nWeek = 0;
-
- wxDateTime dt(*this);
- do
+ Tm tm = GetTm(tz);
+ wxDateTime dtMonthStart = wxDateTime(1, tm.mon, tm.year);
+ size_t nWeek = GetWeekOfYear(flags) - dtMonthStart.GetWeekOfYear(flags) + 1;
+ if ( nWeek < 0 )
{
- nWeek++;
-
- dt -= wxTimeSpan::Week();
+ // this may happen for January when Jan, 1 is the last week of the
+ // previous year
+ nWeek += IsLeapYear(tm.year - 1) ? 53 : 52;
}
- while ( dt.GetMonth(tz) == GetMonth(tz) );
return nWeek;
}
wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
{
-#ifdef __VMS__
- int time2;
-#endif
wxCHECK_MSG( format, _T(""), _T("NULL format in wxDateTime::Format") );
time_t time = GetTicks();
{
time += tz.GetOffset();
-#ifdef __VMS__ /* time is unsigned so VMS gives a warning on the original */
- time2 = (int) time;
+#ifdef __VMS__ // time is unsigned so avoid the warning
+ int time2 = (int) time;
if ( time2 >= 0 )
#else
if ( time >= 0 )
break;
case _T('U'): // week number in the year (Sunday 1st week day)
- {
- int week = (GetDayOfYear(tz) - tm.GetWeekDay() + 7) / 7;
- res += wxString::Format(fmt, week);
- }
+ res += wxString::Format(fmt, GetWeekOfYear(Sunday_First, tz));
break;
case _T('W'): // week number in the year (Monday 1st week day)
- res += wxString::Format(fmt, GetWeekOfYear(tz));
+ res += wxString::Format(fmt, GetWeekOfYear(Monday_First, tz));
break;
case _T('w'): // weekday as a number (0-6), Sunday = 0
int year = 0;
// tokenize the string
- wxStringTokenizer tok(p, _T(",/-\t "));
+ wxStringTokenizer tok(p, _T(",/-\t\n "));
while ( tok.HasMoreTokens() )
{
wxString token = tok.GetNextToken();
projects / wxWidgets.git / blobdiff