#include <values.h>
static long wxGetTimeZone()
{
- static long timezone = MAXLONG; // invalid timezone
- if (timezone == MAXLONG)
- {
- struct timeb tb;
- ftime(&tb);
- timezone = tb.timezone;
- }
- return timezone;
+ struct timeb tb;
+ ftime(&tb);
+ return tb.timezone;
}
#define WX_TIMEZONE wxGetTimeZone()
#elif defined(__DARWIN__)
// Solution (1): use the function equivalent of _timezone
static long wxGetTimeZone()
{
- static long s_Timezone = MAXLONG; // invalid timezone
- if (s_Timezone == MAXLONG)
- {
- int t;
- _get_timezone(& t);
- s_Timezone = (long) t;
- }
- return s_Timezone;
+ long t;
+ _get_timezone(& t);
+ return t;
}
#define WX_TIMEZONE wxGetTimeZone()
#elif 1
// Solution (2): using GetTimeZoneInformation
static long wxGetTimeZone()
{
- static long timezone = MAXLONG; // invalid timezone
- if (timezone == MAXLONG)
- {
- TIME_ZONE_INFORMATION tzi;
- ::GetTimeZoneInformation(&tzi);
- timezone = tzi.Bias;
- }
- return timezone;
+ TIME_ZONE_INFORMATION tzi;
+ ::GetTimeZoneInformation(&tzi);
+ return tzi.Bias; // x 60
}
#define WX_TIMEZONE wxGetTimeZone()
#else
static const int MIN_PER_HOUR = 60;
-static const int HOURS_PER_DAY = 24;
-
static const long SECONDS_PER_DAY = 86400l;
static const int DAYS_PER_WEEK = 7;
// global data
// ----------------------------------------------------------------------------
-const char *wxDefaultDateTimeFormat = "%c";
-const char *wxDefaultTimeSpanFormat = "%H:%M:%S";
+const char wxDefaultDateTimeFormat[] = "%c";
+const char wxDefaultTimeSpanFormat[] = "%H:%M:%S";
// in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to
// indicate an invalid wxDateTime object
{
// the number of days in month in Julian/Gregorian calendar: the first line
// is for normal years, the second one is for the leap ones
- static wxDateTime::wxDateTime_t daysInMonth[2][MONTHS_IN_YEAR] =
+ static const wxDateTime::wxDateTime_t daysInMonth[2][MONTHS_IN_YEAR] =
{
{ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 },
{ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }
// NOTE: not static because used by datetimefmt.cpp
int GetTimeZone()
{
+#ifdef WX_GMTOFF_IN_TM
// set to true when the timezone is set
static bool s_timezoneSet = false;
static long gmtoffset = LONG_MAX; // invalid timezone
wxLocaltime_r(&t, &tm);
s_timezoneSet = true;
-#ifdef WX_GMTOFF_IN_TM
// note that GMT offset is the opposite of time zone and so to return
// consistent results in both WX_GMTOFF_IN_TM and !WX_GMTOFF_IN_TM
// cases we have to negate it
gmtoffset = -tm.tm_gmtoff;
-#else // !WX_GMTOFF_IN_TM
- gmtoffset = WX_TIMEZONE;
-#endif // WX_GMTOFF_IN_TM/!WX_GMTOFF_IN_TM
}
-
return (int)gmtoffset;
+#else // !WX_GMTOFF_IN_TM
+ return WX_TIMEZONE;
+#endif // WX_GMTOFF_IN_TM/!WX_GMTOFF_IN_TM
}
// return the integral part of the JDN for the midnight of the given date (to
{
wxCHECK_MSG( month != Inv_Month, wxEmptyString, "invalid month" );
- static const char *monthNames[2][MONTHS_IN_YEAR] =
+ static const char *const monthNames[2][MONTHS_IN_YEAR] =
{
{ "January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December" },
{
wxCHECK_MSG( wday != Inv_WeekDay, wxEmptyString, wxT("invalid weekday") );
- static const char *weekdayNames[2][DAYS_PER_WEEK] =
+ static const char *const weekdayNames[2][DAYS_PER_WEEK] =
{
{ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday",
"Saturday" },
const TimeZone& tz) const
{
Tm tm = GetTm(tz);
- wxDateTime dtMonthStart = wxDateTime(1, tm.mon, tm.year);
- int nWeek = GetWeekOfYear(flags) - dtMonthStart.GetWeekOfYear(flags) + 1;
- if ( nWeek < 0 )
+ const wxDateTime dateFirst = wxDateTime(1, tm.mon, tm.year);
+ const wxDateTime::WeekDay wdFirst = dateFirst.GetWeekDay();
+
+ if ( flags == Default_First )
{
- // this may happen for January when Jan, 1 is the last week of the
- // previous year
- nWeek += IsLeapYear(tm.year - 1) ? 53 : 52;
+ flags = GetCountry() == USA ? Sunday_First : Monday_First;
}
- return (wxDateTime::wxDateTime_t)nWeek;
+ // compute offset of dateFirst from the beginning of the week
+ int firstOffset;
+ if ( flags == Sunday_First )
+ firstOffset = wdFirst - Sun;
+ else
+ firstOffset = wdFirst == Sun ? DAYS_PER_WEEK - 1 : wdFirst - Mon;
+
+ return (wxDateTime::wxDateTime_t)((tm.mday - 1 + firstOffset)/7 + 1);
}
wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday)
return Set(st.wDay,
static_cast<wxDateTime::Month>(wxDateTime::Jan + st.wMonth - 1),
st.wYear,
- 0, 0, 0);
+ st.wHour, st.wMinute, st.wSecond, st.wMilliseconds);
+}
+
+wxDateTime& wxDateTime::SetFromMSWSysDate(const SYSTEMTIME& st)
+{
+ return Set(st.wDay,
+ static_cast<wxDateTime::Month>(wxDateTime::Jan + st.wMonth - 1),
+ st.wYear,
+ 0, 0, 0, 0);
}
void wxDateTime::GetAsMSWSysTime(SYSTEMTIME* st) const
st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
st->wDay = tm.mday;
+ st->wDayOfWeek = 0;
+ st->wHour = tm.hour;
+ st->wMinute = tm.min;
+ st->wSecond = tm.sec;
+ st->wMilliseconds = tm.msec;
+}
+
+void wxDateTime::GetAsMSWSysDate(SYSTEMTIME* st) const
+{
+ const wxDateTime::Tm tm(GetTm());
+
+ st->wYear = (WXWORD)tm.year;
+ st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
+ st->wDay = tm.mday;
+
st->wDayOfWeek =
st->wHour =
st->wMinute =
st->wSecond =
st->wMilliseconds = 0;
}
+
#endif // __WXMSW__
#endif // wxUSE_DATETIME
projects / wxWidgets.git / blobdiff