X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/033400ebcbb166089e56714a45ae0f4550ee5043..ddbfcced85b54ed15ff40605d29e55d73d0e6d03:/src/common/datetime.cpp diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp index d95ea2093a..5d04db2a3e 100644 --- a/src/common/datetime.cpp +++ b/src/common/datetime.cpp @@ -63,12 +63,14 @@ #pragma hdrstop #endif +#if !defined(wxUSE_DATETIME) || wxUSE_DATETIME + #ifndef WX_PRECOMP #include "wx/string.h" - #include "wx/intl.h" #include "wx/log.h" #endif // WX_PRECOMP +#include "wx/intl.h" #include "wx/thread.h" #include "wx/tokenzr.h" #include "wx/module.h" @@ -95,16 +97,33 @@ #undef HAVE_STRPTIME #endif // broken strptime() -#ifndef WX_TIMEZONE +#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; + #define WX_TIMEZONE wxmw_timezone + #elif defined(__DJGPP__) || defined(__WINE__) + #include + #include + static long wxGetTimeZone() + { + static long timezone = MAXLONG; // invalid timezone + if (timezone == MAXLONG) + { + struct timeb tb; + ftime(&tb); + timezone = tb.timezone; + } + return timezone; + } + #define WX_TIMEZONE wxGetTimeZone() + #elif defined(__DARWIN__) + #define WX_GMTOFF_IN_TM #else // unknown platform - try timezone #define WX_TIMEZONE timezone #endif -#endif // !WX_TIMEZONE +#endif // !WX_TIMEZONE && !WX_GMTOFF_IN_TM // ---------------------------------------------------------------------------- // macros @@ -194,10 +213,7 @@ static const wxDateTime::wxDateTime_t gs_cumulatedDays[2][MONTHS_IN_YEAR] = // in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to // indicate an invalid wxDateTime object - -static const wxDateTime gs_dtDefault; - -const wxDateTime& wxDefaultDateTime = gs_dtDefault; +const wxDateTime wxDefaultDateTime; wxDateTime::Country wxDateTime::ms_country = wxDateTime::Country_Unknown; @@ -247,20 +263,31 @@ static int GetTimeZone() { // set to TRUE when the timezone is set static bool s_timezoneSet = FALSE; - +#ifdef WX_GMTOFF_IN_TM + static long gmtoffset = LONG_MAX; // invalid timezone +#endif + wxCRIT_SECT_LOCKER(lock, gs_critsectTimezone); 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; - (void)localtime(&t); + tm = localtime(&t); s_timezoneSet = TRUE; +#ifdef WX_GMTOFF_IN_TM + gmtoffset = tm->tm_gmtoff; +#endif } +#ifdef WX_GMTOFF_IN_TM + return (int)gmtoffset; +#else return (int)WX_TIMEZONE; +#endif } // return the integral part of the JDN for the midnight of the given date (to @@ -1220,6 +1247,82 @@ wxDateTime& wxDateTime::ResetTime() 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 // ---------------------------------------------------------------------------- @@ -1330,8 +1433,6 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const // check that the algorithm gave us something reasonable wxASSERT_MSG( (0 < month) && (month <= 12), _T("invalid month") ); wxASSERT_MSG( (1 <= day) && (day < 32), _T("invalid day") ); - wxASSERT_MSG( (INT_MIN <= year) && (year <= INT_MAX), - _T("year range overflow") ); // construct Tm from these values Tm tm; @@ -1469,13 +1570,18 @@ wxDateTime& wxDateTime::Add(const wxDateSpan& diff) // 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 ) { @@ -1498,17 +1604,34 @@ wxDateTime& wxDateTime::SetToLastMonthDay(Month month, 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)); } @@ -1876,6 +1999,10 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const fmt = _T("%03d"); break; + case _T('w'): // week day as number has only one + fmt = _T("%d"); + break; + default: // it's either another valid format specifier in which case // the format is "%02d" (for all the rest) or we have the @@ -2519,6 +2646,30 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, 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 ) { @@ -3373,8 +3524,12 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time) } } - // try all time formats we may think about starting with the standard one - const wxChar *result = ParseFormat(time, _T("%X")); + // try all time formats we may think about in the order from longest to + // shortest + + // 12hour with AM/PM? + const wxChar *result = ParseFormat(time, _T("%I:%M:%S %p")); + if ( !result ) { // normally, it's the same, but why not try it? @@ -3383,8 +3538,8 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time) if ( !result ) { - // 12hour with AM/PM? - result = ParseFormat(time, _T("%I:%M:%S %p")); + // 12hour with AM/PM but without seconds? + result = ParseFormat(time, _T("%I:%M %p")); } if ( !result ) @@ -3395,8 +3550,8 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time) if ( !result ) { - // 12hour with AM/PM but without seconds? - result = ParseFormat(time, _T("%I:%M %p")); + // just the hour and AM/PM? + result = ParseFormat(time, _T("%I %p")); } if ( !result ) @@ -3407,8 +3562,9 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time) if ( !result ) { - // just the hour and AM/PM? - result = ParseFormat(time, _T("%I %p")); + // parse the standard format: normally it is one of the formats above + // but it may be set to something completely different by the user + result = ParseFormat(time, _T("%X")); } // TODO: parse timezones @@ -3708,4 +3864,4 @@ size_t wxDateTimeWorkDays::DoGetHolidaysInRange(const wxDateTime& dtStart, return holidays.GetCount(); } - +#endif // wxUSE_DATETIME