X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/525d858363f08a3d774b494bd8df19e4ab7c9dc0..228146b08230df0b1d1e8c52783d9322ae74ad4a:/src/common/datetime.cpp diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp index b7ecda73a4..b09fe1ef75 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() @@ -115,12 +127,26 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter , wxFromStringCon #undef HAVE_STRPTIME #endif // broken strptime() +#if defined(HAVE_STRPTIME) && defined(__DARWIN__) && defined(_MSL_USING_MW_C_HEADERS) && _MSL_USING_MW_C_HEADERS + // configure detects strptime as linkable because it's in the OS X + // System library but MSL headers don't declare it. + +// char *strptime(const char *, const char *, struct tm *); + // However, we DON'T want to just provide it here because we would + // crash and/or overwrite data when strptime from OS X tries + // to fill in MW's struct tm which is two fields shorter (no TZ stuff) + // So for now let's just say we don't have strptime + #undef HAVE_STRPTIME +#endif + #if defined(__MWERKS__) && wxUSE_UNICODE #include #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; @@ -345,18 +371,25 @@ 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) { wxChar buf[4096]; + // Create temp wxString here to work around mingw/cygwin bug 1046059 + // http://sourceforge.net/tracker/?func=detail&atid=102435&aid=1046059&group_id=2435 + wxString s; + if ( !wxStrftime(buf, WXSIZEOF(buf), format, tm) ) { // buffer is too small? wxFAIL_MSG(_T("strftime() failed")); } - return wxString(buf); + s = buf; + return s; } +#endif #ifdef HAVE_STRPTIME @@ -804,7 +837,7 @@ wxString wxDateTime::GetMonthName(wxDateTime::Month month, wxDateTime::NameFlags flags) { 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; @@ -812,6 +845,49 @@ 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 */ @@ -819,7 +895,7 @@ wxString wxDateTime::GetWeekDayName(wxDateTime::WeekDay wday, wxDateTime::NameFlags flags) { 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!) @@ -837,6 +913,35 @@ 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 */ @@ -855,7 +960,7 @@ 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(); @@ -863,7 +968,7 @@ 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(); @@ -879,7 +984,7 @@ 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 @@ -913,6 +1018,9 @@ wxDateTime::Country wxDateTime::GetCountry() ms_country = USA; } } +#else + ms_country = USA; +#endif return ms_country; } @@ -1208,18 +1316,21 @@ 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(*tm); + struct tm tm2(tm1); mktime(&tm2); - if ( tm2.tm_isdst != tm->tm_isdst ) - tm->tm_isdst = tm2.tm_isdst; + 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); @@ -1296,6 +1407,8 @@ wxDateTime& wxDateTime::Set(double jdn) jdn *= MILLISECONDS_PER_DAY; + 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(); @@ -1305,9 +1418,7 @@ wxDateTime& wxDateTime::Set(double jdn) tzDiff -= 3600; } - jdn += tzDiff*1000; // tzDiff is in seconds - - m_time.Assign(jdn); + m_time += tzDiff*1000; // tzDiff is in seconds return *this; } @@ -1728,8 +1839,9 @@ 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; @@ -1743,21 +1855,23 @@ 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)); } } @@ -2106,11 +2220,13 @@ 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 } @@ -2189,6 +2305,7 @@ 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. @@ -2197,12 +2314,12 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const // find the YEAR which is a year in the strftime() range (1970 // - 2038) whose Jan 1 falls on the same week day as the Jan 1 // of the real year. Then make a copy of the format and - // replace all occurences of YEAR in it with some unique + // replace all occurrences of YEAR in it with some unique // string not appearing anywhere else in it, then use // strftime() to format the date in year YEAR and then replace // YEAR back by the real year and the unique replacement - // string back with YEAR. Notice that "all occurences of YEAR" - // means all occurences of 4 digit as well as 2 digit form! + // string back with YEAR. Notice that "all occurrences of YEAR" + // means all occurrences of 4 digit as well as 2 digit form! // // the bugs: we assume that neither of %c nor %x contains any // fields which may change between the YEAR and real year. For @@ -2260,8 +2377,8 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const strYear.Printf(_T("%d"), year); strYear2.Printf(_T("%d"), year % 100); - // find two strings not occuring in format (this is surely - // not optimal way of doing it... improvements welcome!) + // find two strings not occurring in format (this is surely + // not the optimal way of doing it... improvements welcome!) wxString fmt = format; wxString replacement = (wxChar)-1; while ( fmt.Find(replacement) != wxNOT_FOUND ) @@ -2275,7 +2392,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const replacement << (wxChar)-2; } - // replace all occurences of year with it + // replace all occurrences of year with it bool wasReplaced = fmt.Replace(strYear, replacement) > 0; if ( !wasReplaced ) wasReplaced = fmt.Replace(strYear2, replacement2) > 0; @@ -2302,14 +2419,14 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const : _T("%x"), &tmAdjusted); - // now replace the occurence of 1999 with the real year + // now replace the occurrence of 1999 with the real year wxString strYearReal, strYearReal2; strYearReal.Printf(_T("%04d"), yearReal); strYearReal2.Printf(_T("%02d"), yearReal % 100); str.Replace(strYear, strYearReal); str.Replace(strYear2, strYearReal2); - // and replace back all occurences of replacement string + // and replace back all occurrences of replacement string if ( wasReplaced ) { str.Replace(replacement2, strYear2); @@ -2318,6 +2435,11 @@ 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) @@ -2354,7 +2476,11 @@ 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) @@ -2377,7 +2503,11 @@ 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) @@ -2389,7 +2519,9 @@ 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: @@ -2627,7 +2759,7 @@ 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 @@ -2729,6 +2861,166 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) return p; } +#ifdef __WINDOWS__ + +// returns the string containing strftime() format used for short dates in the +// current locale or an empty string +static wxString GetLocaleDateFormat() +{ + wxString fmtWX; + + // 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 + // according to MSDN 80 chars is max allowed for short date format + wxChar fmt[81]; + if ( ::GetLocaleInfo(lcid, LOCALE_SSHORTDATE, fmt, WXSIZEOF(fmt)) ) + { + wxChar chLast = _T('\0'); + size_t lastCount = 0; + for ( const wxChar *p = fmt; /* NUL handled inside */; p++ ) + { + if ( *p == chLast ) + { + lastCount++; + continue; + } + + switch ( *p ) + { + // these characters come in groups, start counting them + case _T('d'): + case _T('M'): + case _T('y'): + case _T('g'): + chLast = *p; + lastCount = 1; + break; + + default: + // first deal with any special characters we have had + if ( lastCount ) + { + switch ( chLast ) + { + case _T('d'): + switch ( lastCount ) + { + case 1: // d + case 2: // dd + // these two are the same as we + // don't distinguish between 1 and + // 2 digits for days + fmtWX += _T("%d"); + break; + + case 3: // ddd + fmtWX += _T("%a"); + break; + + case 4: // dddd + fmtWX += _T("%A"); + break; + + default: + wxFAIL_MSG( _T("too many 'd's") ); + } + break; + + case _T('M'): + switch ( lastCount ) + { + case 1: // M + case 2: // MM + // as for 'd' and 'dd' above + fmtWX += _T("%m"); + break; + + case 3: + fmtWX += _T("%b"); + break; + + case 4: + fmtWX += _T("%B"); + break; + + default: + wxFAIL_MSG( _T("too many 'M's") ); + } + break; + + case _T('y'): + switch ( lastCount ) + { + case 1: // y + case 2: // yy + fmtWX += _T("%y"); + break; + + case 4: // yyyy + fmtWX += _T("%Y"); + break; + + default: + wxFAIL_MSG( _T("wrong number of 'y's") ); + } + break; + + case _T('g'): + // strftime() doesn't have era string, + // ignore this format + wxASSERT_MSG( lastCount <= 2, + _T("too many 'g's") ); + break; + + default: + wxFAIL_MSG( _T("unreachable") ); + } + + chLast = _T('\0'); + lastCount = 0; + } + + // not a special character so must be just a separator, + // treat as is + if ( *p != _T('\0') ) + { + if ( *p == _T('%') ) + { + // this one needs to be escaped + fmtWX += _T('%'); + } + + fmtWX += *p; + } + } + + if ( *p == _T('\0') ) + break; + } + } + //else: GetLocaleInfo() failed, leave fmtDate value unchanged and + // try our luck with the default formats + } + //else: default C locale, default formats should work + + return fmtWX; +} + +#endif // __WINDOWS__ + const wxChar *wxDateTime::ParseFormat(const wxChar *date, const wxChar *format, const wxDateTime& dateDef) @@ -3022,6 +3314,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, hour = tm.hour; min = tm.min; } + break; case _T('S'): // second as a decimal number (00-61) if ( !GetNumericToken(width, input, &num) || (num > 61) ) @@ -3088,26 +3381,34 @@ 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 ) - { - fmtDate = _T("%d/%m/%y"); - fmtDateAlt = _T("%m/%d/%y"); - } - else // assume USA + wxString fmtDate, + fmtDateAlt; + +#ifdef __WINDOWS__ + // The above doesn't work for all locales, try to query + // Windows for the right way of formatting the date: + fmtDate = GetLocaleDateFormat(); + if ( fmtDate.empty() ) +#endif { - fmtDate = _T("%m/%d/%y"); - fmtDateAlt = _T("%d/%m/%y"); + if ( IsWestEuropeanCountry(GetCountry()) || + GetCountry() == Russia ) + { + fmtDate = _T("%d/%m/%y"); + fmtDateAlt = _T("%m/%d/%y"); + } + else // assume USA + { + fmtDate = _T("%m/%d/%y"); + fmtDateAlt = _T("%d/%m/%y"); + } } const wxChar *result = dt.ParseFormat(input, fmtDate); - if ( !result ) + if ( !result && !fmtDateAlt.empty() ) { // ok, be nice and try another one result = dt.ParseFormat(input, fmtDateAlt); @@ -3470,14 +3771,14 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) } else // may be either day or year { - wxDateTime_t maxDays = (wxDateTime_t)( + wxDateTime_t max_days = (wxDateTime_t)( haveMon ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon) : 31 ); // can it be day? - if ( (val == 0) || (val > (unsigned long)maxDays) ) + if ( (val == 0) || (val > (unsigned long)max_days) ) { // no isYear = true;