// so long as the above copyright and this permission statement
// are retained in all copies.
//
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
/*
#include "wx/datetime.h"
#include "wx/timer.h" // for wxGetLocalTimeMillis()
+const long wxDateTime::TIME_T_FACTOR = 1000l;
+
// ----------------------------------------------------------------------------
// conditional compilation
// ----------------------------------------------------------------------------
-#if defined(HAVE_STRPTIME) && defined(__LINUX__)
+#if defined(HAVE_STRPTIME) && defined(__GLIBC__) && \
+ ((__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0))
// glibc 2.0.7 strptime() is broken - the following snippet causes it to
// crash (instead of just failing):
//
#undef HAVE_STRPTIME
#endif // broken strptime()
+#if defined(__MWERKS__) && wxUSE_UNICODE
+ #include <wtime.h>
+#endif
+
#if !defined(WX_TIMEZONE) && !defined(WX_GMTOFF_IN_TM)
#if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
#define WX_TIMEZONE _timezone
#elif defined(__MWERKS__)
long wxmw_timezone = 28800;
#define WX_TIMEZONE wxmw_timezone
- #elif defined(__DJGPP__)
+ #elif defined(__DJGPP__) || defined(__WINE__)
#include <sys/timeb.h>
#include <values.h>
static long wxGetTimeZone()
return daysInMonth[wxDateTime::IsLeapYear(year)][month];
}
-// ensure that the timezone variable is set by calling localtime
+// returns the time zone in the C sense, i.e. the difference UTC - local
+// (in seconds)
static int GetTimeZone()
{
// set to TRUE when the timezone is set
#ifdef WX_GMTOFF_IN_TM
static long gmtoffset = LONG_MAX; // invalid timezone
#endif
-
+
wxCRIT_SECT_LOCKER(lock, gs_critsectTimezone);
+ // ensure that the timezone variable is set by calling localtime
if ( !s_timezoneSet )
{
// just call localtime() instead of figuring out whether this system
// supports tzset(), _tzset() or something else
- time_t t = 0;
+ time_t t = 0;
struct tm *tm;
tm = localtime(&t);
s_timezoneSet = TRUE;
+
#ifdef WX_GMTOFF_IN_TM
- gmtoffset = tm->tm_gmtoff;
+ // 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;
#endif
}
- JDN_OFFSET;
}
-// this function is a wrapper around strftime(3)
+// this function is a wrapper around strftime(3) adding error checking
static wxString CallStrftime(const wxChar *format, const tm* tm)
{
wxChar buf[4096];
return wxString(buf);
}
+#ifdef HAVE_STRPTIME
+
+// Unicode-friendly strptime() wrapper
+static const wxChar *
+CallStrptime(const wxChar *input, const char *fmt, tm *tm)
+{
+ // the problem here is that strptime() returns pointer into the string we
+ // passed to it while we're really interested in the pointer into the
+ // original, Unicode, string so we try to transform the pointer back
+#if wxUSE_UNICODE
+ wxCharBuffer inputMB(wxConvertWX2MB(input));
+#else // ASCII
+ const char * const inputMB = input;
+#endif // Unicode/Ascii
+
+ const char *result = strptime(inputMB, fmt, tm);
+ if ( !result )
+ return NULL;
+
+#if wxUSE_UNICODE
+ // FIXME: this is wrong in presence of surrogates &c
+ return input + (result - inputMB.data());
+#else // ASCII
+ return result;
+#endif // Unicode/Ascii
+}
+
+#endif // HAVE_STRPTIME
+
// if year and/or month have invalid values, replace them with the current ones
static void ReplaceDefaultYearMonthWithCurrent(int *year,
wxDateTime::Month *month)
return *this;
}
+// ----------------------------------------------------------------------------
+// DOS Date and Time Format functions
+// ----------------------------------------------------------------------------
+// the dos date and time value is an unsigned 32 bit value in the format:
+// YYYYYYYMMMMDDDDDhhhhhmmmmmmsssss
+//
+// Y = year offset from 1980 (0-127)
+// M = month (1-12)
+// D = day of month (1-31)
+// h = hour (0-23)
+// m = minute (0-59)
+// s = bisecond (0-29) each bisecond indicates two seconds
+// ----------------------------------------------------------------------------
+
+wxDateTime& wxDateTime::SetFromDOS(unsigned long ddt)
+{
+ struct tm tm;
+
+ long year = ddt & 0xFE000000;
+ year >>= 25;
+ year += 80;
+ tm.tm_year = year;
+
+ long month = ddt & 0x1E00000;
+ month >>= 21;
+ month -= 1;
+ tm.tm_mon = month;
+
+ long day = ddt & 0x1F0000;
+ day >>= 16;
+ tm.tm_mday = day;
+
+ long hour = ddt & 0xF800;
+ hour >>= 11;
+ tm.tm_hour = hour;
+
+ long minute = ddt & 0x7E0;
+ minute >>= 5;
+ tm.tm_min = minute;
+
+ long second = ddt & 0x1F;
+ tm.tm_sec = second * 2;
+
+ return Set(mktime(&tm));
+}
+
+unsigned long wxDateTime::GetAsDOS() const
+{
+ unsigned long ddt;
+ time_t ticks = GetTicks();
+ struct tm *tm = localtime(&ticks);
+
+ long year = tm->tm_year;
+ year -= 80;
+ year <<= 25;
+
+ long month = tm->tm_mon;
+ month += 1;
+ month <<= 21;
+
+ long day = tm->tm_mday;
+ day <<= 16;
+
+ long hour = tm->tm_hour;
+ hour <<= 11;
+
+ long minute = tm->tm_min;
+ minute <<= 5;
+
+ long second = tm->tm_sec;
+ second /= 2;
+
+ ddt = year | month | day | hour | minute | second;
+ return ddt;
+}
+
// ----------------------------------------------------------------------------
// time_t <-> broken down time conversions
// ----------------------------------------------------------------------------
// Weekday and monthday stuff
// ----------------------------------------------------------------------------
-bool wxDateTime::SetToTheWeek(wxDateTime_t numWeek, WeekDay weekday)
+bool wxDateTime::SetToTheWeek(wxDateTime_t numWeek,
+ WeekDay weekday,
+ WeekFlags flags)
{
+ wxASSERT_MSG( numWeek > 0,
+ _T("invalid week number: weeks are counted from 1") );
+
int year = GetYear();
// Jan 4 always lies in the 1st week of the year
Set(4, Jan, year);
- SetToWeekDayInSameWeek(weekday) += wxDateSpan::Weeks(numWeek);
+ SetToWeekDayInSameWeek(weekday, flags) += wxDateSpan::Weeks(numWeek - 1);
if ( GetYear() != year )
{
return Set(GetNumOfDaysInMonth(year, month), month, year);
}
-wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday)
+wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday, WeekFlags flags)
{
wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") );
- WeekDay wdayThis = GetWeekDay();
+ int wdayThis = GetWeekDay();
if ( weekday == wdayThis )
{
// nothing to do
return *this;
}
- else if ( weekday < wdayThis )
+
+ if ( flags == Default_First )
+ {
+ flags = GetCountry() == USA ? Sunday_First : Monday_First;
+ }
+
+ // the logic below based on comparing weekday and wdayThis works if Sun (0)
+ // is the first day in the week, but breaks down for Monday_First case so
+ // we adjust the week days in this case
+ if( flags == Monday_First )
+ {
+ if ( wdayThis == Sun )
+ wdayThis += 7;
+ }
+ //else: Sunday_First, nothing to do
+
+ // go forward or back in time to the day we want
+ if ( weekday < wdayThis )
{
return Subtract(wxDateSpan::Days(wdayThis - weekday));
}
width += *fmt - _T('0');
}
+ // the default widths for the various fields
+ if ( !width )
+ {
+ switch ( *fmt )
+ {
+ case _T('Y'): // year has 4 digits
+ width = 4;
+ break;
+
+ case _T('j'): // day of year has 3 digits
+ case _T('l'): // milliseconds have 3 digits
+ width = 3;
+ break;
+
+ case _T('w'): // week day as number has only one
+ width = 1;
+ break;
+
+ default:
+ // default for all other fields
+ width = 2;
+ }
+ }
+
// then the format itself
switch ( *fmt )
{
case _T('x'): // locale default date representation
#ifdef HAVE_STRPTIME
- // try using strptime() - it may fail even if the input is
+ // try using strptime() -- it may fail even if the input is
// correct but the date is out of range, so we will fall back
- // to our generic code anyhow (FIXME !Unicode friendly)
+ // to our generic code anyhow
{
struct tm tm;
- const wxChar *result = strptime(input, "%x", &tm);
+
+ const wxChar *result = CallStrptime(input, "%x", &tm);
if ( result )
{
input = result;
{
// use strptime() to do it for us (FIXME !Unicode friendly)
struct tm tm;
- input = strptime(input, "%X", &tm);
+ input = CallStrptime(input, "%X", &tm);
if ( !input )
{
return (wxChar *)NULL;
// tokenize the string
size_t nPosCur = 0;
- static const wxChar *dateDelimiters = _T(".,/-\t\n ");
+ static const wxChar *dateDelimiters = _T(".,/-\t\r\n ");
wxStringTokenizer tok(p, dateDelimiters);
while ( tok.HasMoreTokens() )
{
size_t len = timeString.length();
if ( timeString.CmpNoCase(wxString(time, len)) == 0 )
{
- Set(stdTimes[n].hour, 0, 0);
+ // casts required by DigitalMars
+ Set(stdTimes[n].hour, wxDateTime_t(0), wxDateTime_t(0));
return time + len;
}
ms_authorities.Add(auth);
}
+wxDateTimeHolidayAuthority::~wxDateTimeHolidayAuthority()
+{
+ // nothing to do here
+}
+
// ----------------------------------------------------------------------------
// wxDateTimeWorkDays
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff