X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0308fd61a22323c48aa51d527c6c14b8c55c5b76..e443232d2e06140e64a3d888d9542d9d6ef2c20c:/src/common/datetime.cpp diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp index dd2d9dbccb..7f1f7924a0 100644 --- a/src/common/datetime.cpp +++ b/src/common/datetime.cpp @@ -16,6 +16,10 @@ // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// +// TODO: for $DEITY sake, someone please fix the #ifdef __WXWINCE__ everywhere, +// the proper way to do it is to implement (subset of) wxStrftime() for +// CE instead of this horror!! + /* * Implementation notes: * @@ -77,6 +81,14 @@ #include +#ifdef __WINDOWS__ + #include "wx/msw/wrapwin.h" + #include + #ifndef __WXWINCE__ + #include + #endif +#endif + #include "wx/datetime.h" #include "wx/stopwatch.h" // for wxGetLocalTimeMillis() @@ -120,7 +132,9 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter , wxFromStringCon #endif #if !defined(WX_TIMEZONE) && !defined(WX_GMTOFF_IN_TM) - #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__) + #if defined(__WXPALMOS__) + #define WX_GMTOFF_IN_TM + #elif defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__) #define WX_TIMEZONE _timezone #elif defined(__MWERKS__) long wxmw_timezone = 28800; @@ -171,7 +185,7 @@ public: { wxDateTimeHolidayAuthority::AddAuthority(new wxDateTimeWorkDays); - return TRUE; + return true; } virtual void OnExit() @@ -233,6 +247,9 @@ static const wxDateTime::wxDateTime_t gs_cumulatedDays[2][MONTHS_IN_YEAR] = // 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; @@ -275,8 +292,8 @@ wxDateTime::wxDateTime_t GetNumOfDaysInMonth(int year, wxDateTime::Month month) static int GetTimeZone() { #ifdef WX_GMTOFF_IN_TM - // set to TRUE when the timezone is set - static bool s_timezoneSet = FALSE; + // set to true when the timezone is set + static bool s_timezoneSet = false; static long gmtoffset = LONG_MAX; // invalid timezone // ensure that the timezone variable is set by calling localtime @@ -288,7 +305,7 @@ static int GetTimeZone() struct tm *tm; tm = localtime(&t); - s_timezoneSet = TRUE; + s_timezoneSet = true; // 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 @@ -342,6 +359,7 @@ static long GetTruncatedJDN(wxDateTime::wxDateTime_t day, - JDN_OFFSET; } +#ifndef __WXWINCE__ // this function is a wrapper around strftime(3) adding error checking static wxString CallStrftime(const wxChar *format, const tm* tm) { @@ -354,6 +372,7 @@ static wxString CallStrftime(const wxChar *format, const tm* tm) return wxString(buf); } +#endif #ifdef HAVE_STRPTIME @@ -500,7 +519,7 @@ static bool GetNumericToken(size_t len, const wxChar*& p, unsigned long *number) break; } - return !!s && s.ToULong(number); + return !s.empty() && s.ToULong(number); } // scans all alphabetic characters and returns the resulting string @@ -536,14 +555,14 @@ wxDateTime::Tm::Tm(const struct tm& tm, const TimeZone& tz) : m_tz(tz) { msec = 0; - sec = tm.tm_sec; - min = tm.tm_min; - hour = tm.tm_hour; - mday = tm.tm_mday; + sec = (wxDateTime::wxDateTime_t)tm.tm_sec; + min = (wxDateTime::wxDateTime_t)tm.tm_min; + hour = (wxDateTime::wxDateTime_t)tm.tm_hour; + 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 @@ -559,7 +578,7 @@ void wxDateTime::Tm::ComputeWeekDay() // 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) @@ -597,7 +616,7 @@ void wxDateTime::Tm::AddDays(int dayDiff) dayDiff += GetNumOfDaysInMonth(year, mon); } - mday += dayDiff; + mday = (wxDateTime::wxDateTime_t)( mday + dayDiff ); while ( mday > GetNumOfDaysInMonth(year, mon) ) { mday -= GetNumOfDaysInMonth(year, mon); @@ -691,7 +710,7 @@ bool wxDateTime::IsLeapYear(int year, wxDateTime::Calendar cal) { wxFAIL_MSG(_T("unknown calendar")); - return FALSE; + return false; } } @@ -800,8 +819,8 @@ wxDateTime::wxDateTime_t wxDateTime::GetNumberOfDays(wxDateTime::Month month, 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") ); +#ifndef __WXWINCE__ // 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) tm tm; @@ -809,18 +828,63 @@ wxString wxDateTime::GetMonthName(wxDateTime::Month month, tm.tm_mon = month; return CallStrftime(flags == Name_Abbr ? _T("%b") : _T("%B"), &tm); +#else + wxString ret; + switch(month) + { + case Jan: + ret = (flags == Name_Abbr ? wxT("Jan"): wxT("January")); + break; + case Feb: + ret = (flags == Name_Abbr ? wxT("Feb"): wxT("Febuary")); + break; + case Mar: + ret = (flags == Name_Abbr ? wxT("Mar"): wxT("March")); + break; + case Apr: + ret = (flags == Name_Abbr ? wxT("Apr"): wxT("April")); + break; + case May: + ret = (flags == Name_Abbr ? wxT("May"): wxT("May")); + break; + case Jun: + ret = (flags == Name_Abbr ? wxT("Jun"): wxT("June")); + break; + case Jul: + ret = (flags == Name_Abbr ? wxT("Jul"): wxT("July")); + break; + case Aug: + ret = (flags == Name_Abbr ? wxT("Aug"): wxT("August")); + break; + case Sep: + ret = (flags == Name_Abbr ? wxT("Sep"): wxT("September")); + break; + case Oct: + ret = (flags == Name_Abbr ? wxT("Oct"): wxT("October")); + break; + case Nov: + ret = (flags == Name_Abbr ? wxT("Nov"): wxT("November")); + break; + case Dec: + ret = (flags == Name_Abbr ? wxT("Dec"): wxT("December")); + break; + } + return ret; +#endif } /* static */ wxString wxDateTime::GetWeekDayName(wxDateTime::WeekDay wday, wxDateTime::NameFlags flags) { - wxCHECK_MSG( wday != Inv_WeekDay, _T(""), _T("invalid weekday") ); - - // take some arbitrary Sunday + wxCHECK_MSG( wday != Inv_WeekDay, wxEmptyString, _T("invalid weekday") ); +#ifndef __WXWINCE__ + // 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 + // take 28 here!) tm tm; InitTm(tm); - tm.tm_mday = 28; + tm.tm_mday = 21; tm.tm_mon = Nov; tm.tm_year = 99; @@ -832,6 +896,35 @@ wxString wxDateTime::GetWeekDayName(wxDateTime::WeekDay wday, // ... and call strftime() return CallStrftime(flags == Name_Abbr ? _T("%a") : _T("%A"), &tm); +#else + wxString ret; + switch(wday) + { + case Sun: + ret = (flags == Name_Abbr ? wxT("Sun") : wxT("Sunday")); + break; + case Mon: + ret = (flags == Name_Abbr ? wxT("Mon") : wxT("Monday")); + break; + case Tue: + ret = (flags == Name_Abbr ? wxT("Tue") : wxT("Tuesday")); + break; + case Wed: + ret = (flags == Name_Abbr ? wxT("Wed") : wxT("Wednesday")); + break; + case Thu: + ret = (flags == Name_Abbr ? wxT("Thu") : wxT("Thursday")); + break; + case Fri: + ret = (flags == Name_Abbr ? wxT("Fri") : wxT("Friday")); + break; + case Sat: + ret = (flags == Name_Abbr ? wxT("Sat") : wxT("Saturday")); + break; + } + return ret; + +#endif } /* static */ @@ -839,7 +932,7 @@ void wxDateTime::GetAmPmStrings(wxString *am, wxString *pm) { tm tm; InitTm(tm); - char buffer[64]; + wxChar buffer[64]; // @Note: Do not call 'CallStrftime' here! CallStrftime checks the return code // and causes an assertion failed if the buffer is to small (which is good) - OR - // if strftime does not return anything because the format string is invalid - OR - @@ -850,7 +943,7 @@ void wxDateTime::GetAmPmStrings(wxString *am, wxString *pm) // assert, even though it is a perfectly legal use. if ( am ) { - if (wxStrftime(buffer, sizeof buffer, _T("%p"), &tm) > 0) + if (wxStrftime(buffer, sizeof(buffer)/sizeof(wxChar), _T("%p"), &tm) > 0) *am = wxString(buffer); else *am = wxString(); @@ -858,7 +951,7 @@ void wxDateTime::GetAmPmStrings(wxString *am, wxString *pm) if ( pm ) { tm.tm_hour = 13; - if (wxStrftime(buffer, sizeof buffer, _T("%p"), &tm) > 0) + if (wxStrftime(buffer, sizeof(buffer)/sizeof(wxChar), _T("%p"), &tm) > 0) *pm = wxString(buffer); else *pm = wxString(); @@ -874,7 +967,7 @@ void wxDateTime::GetAmPmStrings(wxString *am, wxString *pm) wxDateTime::Country wxDateTime::GetCountry() { // TODO use LOCALE_ICOUNTRY setting under Win32 - +#ifndef __WXWINCE__ if ( ms_country == Country_Unknown ) { // try to guess from the time zone name @@ -908,6 +1001,9 @@ wxDateTime::Country wxDateTime::GetCountry() ms_country = USA; } } +#else + ms_country = USA; +#endif return ms_country; } @@ -1000,7 +1096,7 @@ wxDateTime wxDateTime::GetBeginDST(int year, Country country) dt += wxTimeSpan::Hours(1); // disable DST tests because it could result in an infinite recursion! - dt.MakeGMT(TRUE); + dt.MakeGMT(true); } else switch ( country ) { @@ -1101,7 +1197,7 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country) dt += wxTimeSpan::Hours(1); // disable DST tests because it could result in an infinite recursion! - dt.MakeGMT(TRUE); + dt.MakeGMT(true); } else switch ( country ) { @@ -1166,16 +1262,11 @@ wxDateTime& wxDateTime::Set(const struct tm& tm) // less than timezone - try to make it work for this case if ( tm2.tm_year == 70 && tm2.tm_mon == 0 && tm2.tm_mday == 1 ) { - // add timezone to make sure that date is in range - tm2.tm_sec -= GetTimeZone(); - - timet = mktime(&tm2); - if ( timet != (time_t)-1 ) - { - timet += GetTimeZone(); - - return Set(timet); - } + return Set((time_t)( + GetTimeZone() + + tm2.tm_hour * MIN_PER_HOUR * SEC_PER_MIN + + tm2.tm_min * SEC_PER_MIN + + tm2.tm_sec)); } wxFAIL_MSG( _T("mktime() failed") ); @@ -1208,12 +1299,21 @@ wxDateTime& wxDateTime::Set(wxDateTime_t hour, wxDATETIME_CHECK( tm, _T("localtime() failed") ); + // make a copy so it isn't clobbered by the call to mktime() below + struct tm tm1(*tm); + // adjust the time - tm->tm_hour = hour; - tm->tm_min = minute; - tm->tm_sec = second; + tm1.tm_hour = hour; + tm1.tm_min = minute; + tm1.tm_sec = second; + + // and the DST in case it changes on this date + struct tm tm2(tm1); + mktime(&tm2); + if ( tm2.tm_isdst != tm1.tm_isdst ) + tm1.tm_isdst = tm2.tm_isdst; - (void)Set(*tm); + (void)Set(tm1); // and finally adjust milliseconds return SetMillisecond(millisec); @@ -1260,7 +1360,10 @@ wxDateTime& wxDateTime::Set(wxDateTime_t day, (void)Set(tm); // and finally adjust milliseconds - return SetMillisecond(millisec); + if (IsValid()) + SetMillisecond(millisec); + + return *this; } else { @@ -1289,6 +1392,17 @@ wxDateTime& wxDateTime::Set(double jdn) m_time.Assign(jdn); + // JDNs always suppose an UTC date, so bring it back to local time zone + // (also see GetJulianDayNumber() implementation) + long tzDiff = GetTimeZone(); + if ( IsDST() == 1 ) + { + // FIXME: again, we suppose that DST is always one hour + tzDiff -= 3600; + } + + m_time += tzDiff*1000; // tzDiff is in seconds + return *this; } @@ -1326,6 +1440,7 @@ wxDateTime& wxDateTime::ResetTime() wxDateTime& wxDateTime::SetFromDOS(unsigned long ddt) { struct tm tm; + InitTm(tm); long year = ddt & 0xFE000000; year >>= 25; @@ -1632,26 +1747,63 @@ wxDateTime& wxDateTime::Add(const wxDateSpan& diff) // Weekday and monthday stuff // ---------------------------------------------------------------------------- -bool wxDateTime::SetToTheWeek(wxDateTime_t numWeek, - WeekDay weekday, - WeekFlags flags) +// convert Sun, Mon, ..., Sat into 6, 0, ..., 5 +static inline int ConvertWeekDayToMondayBase(int wd) +{ + return wd == wxDateTime::Sun ? 6 : wd - 1; +} + +/* static */ +wxDateTime +wxDateTime::SetToWeekOfYear(int year, wxDateTime_t numWeek, WeekDay wd) { 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 + wxDateTime dt(4, Jan, year); + dt.SetToWeekDayInSameWeek(wd); + dt += wxDateSpan::Weeks(numWeek - 1); + + return dt; +} +// use a separate function to avoid warnings about using deprecated +// SetToTheWeek in GetWeek below +static wxDateTime +SetToTheWeek(int year, + wxDateTime::wxDateTime_t numWeek, + wxDateTime::WeekDay weekday, + wxDateTime::WeekFlags flags) +{ // Jan 4 always lies in the 1st week of the year - Set(4, Jan, year); - SetToWeekDayInSameWeek(weekday, flags) += wxDateSpan::Weeks(numWeek - 1); + wxDateTime dt(4, wxDateTime::Jan, year); + dt.SetToWeekDayInSameWeek(weekday, flags); + dt += wxDateSpan::Weeks(numWeek - 1); + + return dt; +} +bool wxDateTime::SetToTheWeek(wxDateTime_t numWeek, + WeekDay weekday, + WeekFlags flags) +{ + int year = GetYear(); + *this = ::SetToTheWeek(year, numWeek, weekday, flags); if ( GetYear() != year ) { // oops... numWeek was too big - return FALSE; + return false; } - return TRUE; + return true; +} + +wxDateTime wxDateTime::GetWeek(wxDateTime_t numWeek, + WeekDay weekday, + WeekFlags flags) const +{ + return ::SetToTheWeek(GetYear(), numWeek, weekday, flags); } wxDateTime& wxDateTime::SetToLastMonthDay(Month month, @@ -1670,8 +1822,9 @@ wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday, WeekFlags flags) { wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") ); - int wdayThis = GetWeekDay(); - if ( weekday == wdayThis ) + int wdayDst = weekday, + wdayThis = GetWeekDay(); + if ( wdayDst == wdayThis ) { // nothing to do return *this; @@ -1685,21 +1838,23 @@ wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday, WeekFlags flags) // 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 ( flags == Monday_First ) { if ( wdayThis == Sun ) wdayThis += 7; + if ( wdayDst == Sun ) + wdayDst += 7; } //else: Sunday_First, nothing to do // go forward or back in time to the day we want - if ( weekday < wdayThis ) + if ( wdayDst < wdayThis ) { - return Subtract(wxDateSpan::Days(wdayThis - weekday)); + return Subtract(wxDateSpan::Days(wdayThis - wdayDst)); } else // weekday > wdayThis { - return Add(wxDateSpan::Days(weekday - wdayThis)); + return Add(wxDateSpan::Days(wdayDst - wdayThis)); } } @@ -1756,9 +1911,9 @@ bool wxDateTime::SetToWeekDay(WeekDay weekday, Month month, int year) { - wxCHECK_MSG( weekday != Inv_WeekDay, FALSE, _T("invalid weekday") ); + wxCHECK_MSG( weekday != Inv_WeekDay, false, _T("invalid weekday") ); - // we don't check explicitly that -5 <= n <= 5 because we will return FALSE + // we don't check explicitly that -5 <= n <= 5 because we will return false // anyhow in such case - but may be should still give an assert for it? // take the current month/year if none specified @@ -1810,52 +1965,87 @@ bool wxDateTime::SetToWeekDay(WeekDay weekday, { *this = dt; - return TRUE; + return true; } else { // no such day in this month - return FALSE; + return false; } } -wxDateTime::wxDateTime_t wxDateTime::GetDayOfYear(const TimeZone& tz) const +static inline +wxDateTime::wxDateTime_t GetDayOfYearFromTm(const wxDateTime::Tm& tm) { - Tm tm(GetTm(tz)); + return (wxDateTime::wxDateTime_t)(gs_cumulatedDays[wxDateTime::IsLeapYear(tm.year)][tm.mon] + tm.mday); +} - return gs_cumulatedDays[IsLeapYear(tm.year)][tm.mon] + tm.mday; +wxDateTime::wxDateTime_t wxDateTime::GetDayOfYear(const TimeZone& tz) const +{ + return GetDayOfYearFromTm(GetTm(tz)); } -wxDateTime::wxDateTime_t wxDateTime::GetWeekOfYear(wxDateTime::WeekFlags flags, - const TimeZone& tz) const +wxDateTime::wxDateTime_t +wxDateTime::GetWeekOfYear(wxDateTime::WeekFlags flags, const TimeZone& tz) const { if ( flags == Default_First ) { flags = GetCountry() == USA ? Sunday_First : Monday_First; } - wxDateTime_t nDayInYear = GetDayOfYear(tz); - wxDateTime_t week; + Tm tm(GetTm(tz)); + wxDateTime_t nDayInYear = GetDayOfYearFromTm(tm); - WeekDay wd = GetWeekDay(tz); + int wdTarget = GetWeekDay(tz); + int wdYearStart = wxDateTime(1, Jan, GetYear()).GetWeekDay(); + int week; if ( flags == Sunday_First ) { - week = (nDayInYear - wd + 7) / 7; + // FIXME: First week is not calculated correctly. + week = (nDayInYear - wdTarget + 7) / 7; + if ( wdYearStart == Wed || wdYearStart == Thu ) + week++; } - else + else // week starts with monday { - // have to shift the week days values - week = (nDayInYear - (wd - 1 + 7) % 7 + 7) / 7; - } + // adjust the weekdays to non-US style. + wdYearStart = ConvertWeekDayToMondayBase(wdYearStart); + wdTarget = ConvertWeekDayToMondayBase(wdTarget); - // FIXME some more elegant way?? - WeekDay wdYearStart = wxDateTime(1, Jan, GetYear()).GetWeekDay(); - if ( wdYearStart == Wed || wdYearStart == Thu ) - { - week++; + // quoting from http://www.cl.cam.ac.uk/~mgk25/iso-time.html: + // + // Week 01 of a year is per definition the first week that has the + // Thursday in this year, which is equivalent to the week that + // contains the fourth day of January. In other words, the first + // week of a new year is the week that has the majority of its + // days in the new year. Week 01 might also contain days from the + // previous year and the week before week 01 of a year is the last + // week (52 or 53) of the previous year even if it contains days + // from the new year. A week starts with Monday (day 1) and ends + // with Sunday (day 7). + // + + // if Jan 1 is Thursday or less, it is in the first week of this year + if ( wdYearStart < 4 ) + { + // count the number of entire weeks between Jan 1 and this date + week = (nDayInYear + wdYearStart + 6 - wdTarget)/7; + + // be careful to check for overflow in the next year + if ( week == 53 && tm.mday - wdTarget > 28 ) + week = 1; + } + else // Jan 1 is in the last week of the previous year + { + // check if we happen to be at the last week of previous year: + if ( tm.mon == Jan && tm.mday < 8 - wdYearStart ) + week = wxDateTime(31, Dec, GetYear()-1).GetWeekOfYear(); + else + week = (nDayInYear + wdYearStart - 1 - wdTarget)/7; + } } - return week; + return (wxDateTime::wxDateTime_t)week; } wxDateTime::wxDateTime_t wxDateTime::GetWeekOfMonth(wxDateTime::WeekFlags flags, @@ -1886,9 +2076,9 @@ wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday) // for Dec, we can't compare with gs_cumulatedDays[mon + 1], but we // don't need it neither - because of the CHECK above we know that // yday lies in December then - if ( (mon == Dec) || (yday < gs_cumulatedDays[isLeap][mon + 1]) ) + if ( (mon == Dec) || (yday <= gs_cumulatedDays[isLeap][mon + 1]) ) { - Set(yday - gs_cumulatedDays[isLeap][mon], mon, year); + Set((wxDateTime::wxDateTime_t)(yday - gs_cumulatedDays[isLeap][mon]), mon, year); break; } @@ -1903,8 +2093,8 @@ wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday) double wxDateTime::GetJulianDayNumber() const { - // JDN are always expressed for the GMT dates - Tm tm(ToTimezone(GMT0).GetTm(GMT0)); + // JDN are always expressed for the UTC dates + Tm tm(ToTimezone(UTC).GetTm(UTC)); double result = GetTruncatedJDN(tm.mday, tm.mon, tm.year); @@ -1975,7 +2165,7 @@ wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz, bool noDST) 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 @@ -2013,11 +2203,13 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const tm = (struct tm *)NULL; } } - +#ifndef __WXWINCE__ + //Windows CE doesn't support strftime or wcsftime, so we use the generic implementation if ( tm ) { return CallStrftime(format, tm); } +#endif //else: use generic code below } @@ -2073,17 +2265,17 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const fmt = _T("%02d"); } - bool restart = TRUE; + bool restart = true; while ( restart ) { - restart = FALSE; + restart = false; // start of the format specification switch ( *p ) { case _T('a'): // a weekday name case _T('A'): - // second parameter should be TRUE for abbreviated names + // second parameter should be true for abbreviated names res += GetWeekDayName(tm.GetWeekDay(), *p == _T('a') ? Name_Abbr : Name_Full); break; @@ -2096,6 +2288,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const case _T('c'): // locale default date and time representation case _T('x'): // locale default date representation +#ifndef __WXWINCE__ // // the problem: there is no way to know what do these format // specifications correspond to for the current locale. @@ -2225,6 +2418,11 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const res += str; } +#else + //Use "%m/%d/%y %H:%M:%S" format instead + res += wxString::Format(wxT("%02d/%02d/%04d %02d:%02d:%02d"), + tm.mon+1,tm.mday, tm.year, tm.hour, tm.min, tm.sec); +#endif break; case _T('d'): // day of a month (01-31) @@ -2261,7 +2459,11 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const break; case _T('p'): // AM or PM string +#ifndef __WXWINCE__ res += CallStrftime(_T("%p"), &tmTimeOnly); +#else + res += (tmTimeOnly.tm_hour > 12) ? wxT("pm") : wxT("am"); +#endif break; case _T('S'): // second as a decimal number (00-61) @@ -2284,7 +2486,11 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const case _T('X'): // locale default time representation // just use strftime() to format the time for us +#ifndef __WXWINCE__ res += CallStrftime(_T("%X"), &tmTimeOnly); +#else + res += wxString::Format(wxT("%02d:%02d:%02d"),tm.hour, tm.min, tm.sec); +#endif break; case _T('y'): // year without century (00-99) @@ -2296,7 +2502,9 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const break; case _T('Z'): // timezone name +#ifndef __WXWINCE__ res += CallStrftime(_T("%Z"), &tmTimeOnly); +#endif break; default: @@ -2308,13 +2516,13 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const fmt += *p; } - if ( !fmt.IsEmpty() ) + if ( !fmt.empty() ) { // we've only got the flags and width so far in fmt fmt.Prepend(_T('%')); fmt.Append(_T('d')); - restart = TRUE; + restart = true; break; } @@ -2381,11 +2589,11 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) return (wxChar *)NULL; } - wxDateTime_t day = *p++ - _T('0'); + wxDateTime_t day = (wxDateTime_t)(*p++ - _T('0')); if ( wxIsdigit(*p) ) { day *= 10; - day += *p++ - _T('0'); + day = (wxDateTime_t)(day + (*p++ - _T('0'))); } if ( *p++ != _T(' ') ) @@ -2479,7 +2687,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) return (wxChar *)NULL; } - wxDateTime_t hour = *p++ - _T('0'); + wxDateTime_t hour = (wxDateTime_t)(*p++ - _T('0')); if ( !wxIsdigit(*p) ) { @@ -2487,7 +2695,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) } hour *= 10; - hour += *p++ - _T('0'); + hour = (wxDateTime_t)(hour + (*p++ - _T('0'))); if ( *p++ != _T(':') ) { @@ -2499,7 +2707,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) return (wxChar *)NULL; } - wxDateTime_t min = *p++ - _T('0'); + wxDateTime_t min = (wxDateTime_t)(*p++ - _T('0')); if ( !wxIsdigit(*p) ) { @@ -2507,7 +2715,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) } min *= 10; - min += *p++ - _T('0'); + min = (wxDateTime_t)(min + *p++ - _T('0')); wxDateTime_t sec = 0; if ( *p++ == _T(':') ) @@ -2517,7 +2725,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) return (wxChar *)NULL; } - sec = *p++ - _T('0'); + sec = (wxDateTime_t)(*p++ - _T('0')); if ( !wxIsdigit(*p) ) { @@ -2525,7 +2733,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) } sec *= 10; - sec += *p++ - _T('0'); + sec = (wxDateTime_t)(sec + *p++ - _T('0')); } if ( *p++ != _T(' ') ) @@ -2534,7 +2742,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) } // and now the interesting part: the timezone - int offset; + int offset wxDUMMY_INITIALIZE(0); if ( *p == _T('-') || *p == _T('+') ) { // the explicit offset given: it has the form of hhmm @@ -2636,6 +2844,70 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) return p; } +#ifdef __WINDOWS__ + +// Get's current locale's date formatting string and stores it in fmt if +// the locale is set; otherwise or in case of failure, leaves fmt unchanged +static void GetLocaleDateFormat(wxString *fmt) +{ + // there is no setlocale() under Windows CE, so just always query the + // system there +#ifndef __WXWINCE__ + if ( strcmp(setlocale(LC_ALL, NULL), "C") != 0 ) +#endif + { + // The locale was programatically set to non-C. We assume that this was + // done using wxLocale, in which case thread's current locale is also + // set to correct LCID value and we can use GetLocaleInfo to determine + // the correct formatting string: +#ifdef __WXWINCE__ + LCID lcid = LOCALE_USER_DEFAULT; +#else + LCID lcid = GetThreadLocale(); +#endif + wxChar delim[5]; // fields deliminer, 4 chars max + if ( GetLocaleInfo(lcid, LOCALE_SDATE, delim, 5) ) + { + wxChar centurybuf[2]; // use %y or %Y, 1 char max + wxChar century = 'y'; + if ( GetLocaleInfo(lcid, LOCALE_ICENTURY, centurybuf, 2) ) + { + if ( centurybuf[0] == _T('1') ) + century = 'Y'; + // else 'y' as above + } + + wxChar order[2]; // order code, 1 char max + if ( GetLocaleInfo(lcid, LOCALE_IDATE, order, 2) ) + { + if ( order[0] == _T('0') ) // M-D-Y + { + *fmt = wxString::Format(_T("%%m%s%%d%s%%%c"), + delim, delim, century); + } + else if ( order[0] == _T('1') ) // D-M-Y + { + *fmt = wxString::Format(_T("%%d%s%%m%s%%%c"), + delim, delim, century); + } + else if ( order[0] == _T('2') ) // Y-M-D + { + *fmt = wxString::Format(_T("%%%c%s%%m%s%%d"), + century, delim, delim); + } + else + { + wxFAIL_MSG(_T("unexpected GetLocaleInfo return value")); + } + } + } + // if we failed, leave fmtDate value unchanged and + // try our luck with the default set above + } +} + +#endif // __WINDOWS__ + const wxChar *wxDateTime::ParseFormat(const wxChar *date, const wxChar *format, const wxDateTime& dateDef) @@ -2647,17 +2919,17 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, unsigned long num; // what fields have we found? - bool haveWDay = FALSE, - haveYDay = FALSE, - haveDay = FALSE, - haveMon = FALSE, - haveYear = FALSE, - haveHour = FALSE, - haveMin = FALSE, - haveSec = FALSE; - - bool hourIsIn12hFormat = FALSE, // or in 24h one? - isPM = FALSE; // AM by default + bool haveWDay = false, + haveYDay = false, + haveDay = false, + haveMon = false, + haveYear = false, + haveHour = false, + haveMin = false, + haveSec = false; + + bool hourIsIn12hFormat = false, // or in 24h one? + isPM = false; // AM by default // and the value of the items we have (init them to get rid of warnings) wxDateTime_t sec = 0, @@ -2746,7 +3018,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } } - haveWDay = TRUE; + haveWDay = true; break; case _T('b'): // a month name @@ -2760,7 +3032,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } } - haveMon = TRUE; + haveMon = true; break; case _T('c'): // locale default date and time representation @@ -2791,7 +3063,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, Tm tm = dt.GetTm(); haveDay = haveMon = haveYear = - haveHour = haveMin = haveSec = TRUE; + haveHour = haveMin = haveSec = true; hour = tm.hour; min = tm.min; @@ -2815,7 +3087,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, // we can't check whether the day range is correct yet, will // do it later - assume ok for now - haveDay = TRUE; + haveDay = true; mday = (wxDateTime_t)num; break; @@ -2826,7 +3098,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = TRUE; + haveHour = true; hour = (wxDateTime_t)num; break; @@ -2837,8 +3109,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = TRUE; - hourIsIn12hFormat = TRUE; + haveHour = true; + hourIsIn12hFormat = true; hour = (wxDateTime_t)(num % 12); // 12 should be 0 break; @@ -2849,7 +3121,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveYDay = TRUE; + haveYDay = true; yday = (wxDateTime_t)num; break; @@ -2860,7 +3132,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveMon = TRUE; + haveMon = true; mon = (Month)(num - 1); break; @@ -2871,7 +3143,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveMin = TRUE; + haveMin = true; min = (wxDateTime_t)num; break; @@ -2880,11 +3152,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, 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 ) { - isPM = TRUE; + isPM = true; } else if ( token.CmpNoCase(am) != 0 ) { @@ -2904,7 +3176,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = haveMin = haveSec = TRUE; + haveHour = haveMin = haveSec = true; Tm tm = dt.GetTm(); hour = tm.hour; @@ -2923,12 +3195,13 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = haveMin = TRUE; + haveHour = haveMin = true; Tm tm = dt.GetTm(); hour = tm.hour; min = tm.min; } + break; case _T('S'): // second as a decimal number (00-61) if ( !GetNumericToken(width, input, &num) || (num > 61) ) @@ -2937,7 +3210,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveSec = TRUE; + haveSec = true; sec = (wxDateTime_t)num; break; @@ -2951,7 +3224,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = haveMin = haveSec = TRUE; + haveHour = haveMin = haveSec = true; Tm tm = dt.GetTm(); hour = tm.hour; @@ -2967,7 +3240,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveWDay = TRUE; + haveWDay = true; wday = (WeekDay)num; break; @@ -2984,7 +3257,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, { input = result; - haveDay = haveMon = haveYear = TRUE; + haveDay = haveMon = haveYear = true; year = 1900 + tm.tm_year; mon = (Month)tm.tm_mon; @@ -2995,11 +3268,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, } #endif // HAVE_STRPTIME - // TODO query the LOCALE_IDATE setting under Win32 { wxDateTime dt; wxString fmtDate, fmtDateAlt; + if ( IsWestEuropeanCountry(GetCountry()) || GetCountry() == Russia ) { @@ -3012,6 +3285,12 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, fmtDateAlt = _T("%d/%m/%y"); } +#ifdef __WINDOWS__ + // The above doesn't work for all locales, try to query + // Windows for the right way of formatting the date: + GetLocaleDateFormat(&fmtDate); +#endif + const wxChar *result = dt.ParseFormat(input, fmtDate); if ( !result ) @@ -3028,7 +3307,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, Tm tm = dt.GetTm(); - haveDay = haveMon = haveYear = TRUE; + haveDay = haveMon = haveYear = true; year = tm.year; mon = tm.mon; @@ -3050,7 +3329,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = haveMin = haveSec = TRUE; + haveHour = haveMin = haveSec = true; hour = tm.tm_hour; min = tm.tm_min; @@ -3078,7 +3357,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveHour = haveMin = haveSec = TRUE; + haveHour = haveMin = haveSec = true; Tm tm = dt.GetTm(); hour = tm.hour; @@ -3097,7 +3376,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveYear = TRUE; + haveYear = true; // TODO should have an option for roll over date instead of // hard coding it here @@ -3111,7 +3390,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return (wxChar *)NULL; } - haveYear = TRUE; + haveYear = true; year = (wxDateTime_t)num; break; @@ -3306,19 +3585,23 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) { wxString date = wxGetTranslation(literalDates[n].str); size_t len = date.length(); - if ( wxStrlen(p) >= len && (wxString(p, len).CmpNoCase(date) == 0) ) + if ( wxStrlen(p) >= len ) { - // nothing can follow this, so stop here - p += len; - - int dayDiffFromToday = literalDates[n].dayDiffFromToday; - *this = Today(); - if ( dayDiffFromToday ) + wxString str(p, len); + if ( str.CmpNoCase(date) == 0 ) { - *this += wxDateSpan::Days(dayDiffFromToday); - } + // nothing can follow this, so stop here + p += len; + + int dayDiffFromToday = literalDates[n].dayDiffFromToday; + *this = Today(); + if ( dayDiffFromToday ) + { + *this += wxDateSpan::Days(dayDiffFromToday); + } - return p; + return p; + } } } @@ -3328,10 +3611,10 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) // have the ability to back track. // what do we have? - bool haveDay = FALSE, // the months day? - haveWDay = FALSE, // the day of week? - haveMon = FALSE, // the month? - haveYear = FALSE; // the year? + bool haveDay = false, // the months day? + haveWDay = false, // the day of week? + haveMon = false, // the month? + haveYear = false; // the year? // and the value of the items we have (init them to get rid of warnings) WeekDay wday = Inv_WeekDay; @@ -3355,37 +3638,39 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) { // guess what this number is - bool isDay = FALSE, - isMonth = FALSE, - isYear = FALSE; + bool isDay = false, + isMonth = false, + isYear = false; if ( !haveMon && val > 0 && val <= 12 ) { // assume it is month - isMonth = TRUE; + isMonth = true; } else // not the month { if ( haveDay ) { // this can only be the year - isYear = TRUE; + isYear = true; } else // may be either day or year { - wxDateTime_t maxDays = haveMon + wxDateTime_t max_days = (wxDateTime_t)( + haveMon ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon) - : 31; + : 31 + ); // can it be day? - if ( (val == 0) || (val > (unsigned long)maxDays) ) + if ( (val == 0) || (val > (unsigned long)max_days) ) { // no - isYear = TRUE; + isYear = true; } else // yes, suppose it's the day { - isDay = TRUE; + isDay = true; } } } @@ -3395,7 +3680,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) if ( haveYear ) break; - haveYear = TRUE; + haveYear = true; year = (wxDateTime_t)val; } @@ -3404,13 +3689,13 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) if ( haveDay ) break; - haveDay = TRUE; + haveDay = true; day = (wxDateTime_t)val; } else if ( isMonth ) { - haveMon = TRUE; + haveMon = true; mon = (Month)(val - 1); } @@ -3429,8 +3714,8 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) { // no need to check in month range as always < 12, but // the days are counted from 1 unlike the months - day = (wxDateTime_t)mon + 1; - haveDay = TRUE; + day = (wxDateTime_t)(mon + 1); + haveDay = true; } else { @@ -3442,7 +3727,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) mon = mon2; - haveMon = TRUE; + haveMon = true; } else // not a valid month name { @@ -3455,7 +3740,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) break; } - haveWDay = TRUE; + haveWDay = true; } else // not a valid weekday name { @@ -3510,7 +3795,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) break; } - haveDay = TRUE; + haveDay = true; day = (wxDateTime_t)(n + 1); } @@ -3551,12 +3836,12 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) // we're in the current year then if ( (year > 0) && (year <= (int)GetNumOfDaysInMonth(Inv_Year, mon)) ) { - day = year; + day = (wxDateTime_t)year; - haveMon = TRUE; - haveYear = FALSE; + haveMon = true; + haveYear = false; } - //else: no, can't exchange, leave haveMon == FALSE + //else: no, can't exchange, leave haveMon == false } } @@ -3700,10 +3985,25 @@ bool wxDateTime::IsWorkDay(Country WXUNUSED(country)) const 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 @@ -3735,7 +4035,7 @@ enum TimeSpanPart // %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)); @@ -3896,11 +4196,11 @@ bool wxDateTimeHolidayAuthority::IsHoliday(const wxDateTime& dt) { if ( ms_authorities[n]->DoIsHoliday(dt) ) { - return TRUE; + return true; } } - return FALSE; + return false; } /* static */ @@ -3940,7 +4240,7 @@ void wxDateTimeHolidayAuthority::AddAuthority(wxDateTimeHolidayAuthority *auth) wxDateTimeHolidayAuthority::~wxDateTimeHolidayAuthority() { - // nothing to do here + // required here for Darwin } // ---------------------------------------------------------------------------- @@ -3988,4 +4288,46 @@ size_t wxDateTimeWorkDays::DoGetHolidaysInRange(const wxDateTime& dtStart, 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