X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fc3398f8e01e1b364fd5fecf2282f445657bf804..6b6267d320a02bfa4baef63916824ed4f5caf9ab:/src/common/datetime.cpp diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp index 5cceff453a..5c212e190e 100644 --- a/src/common/datetime.cpp +++ b/src/common/datetime.cpp @@ -78,6 +78,7 @@ #include #include "wx/datetime.h" +#include "wx/timer.h" // for wxGetLocalTimeMillis() // ---------------------------------------------------------------------------- // conditional compilation @@ -98,8 +99,8 @@ #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__) #define WX_TIMEZONE _timezone #elif defined(__MWERKS__) - long wxmw_timezone = 28800; - #define WX_TIMEZONE wxmw_timezone ; + long wxmw_timezone = 28800; + #define WX_TIMEZONE wxmw_timezone; #else // unknown platform - try timezone #define WX_TIMEZONE timezone #endif @@ -390,13 +391,17 @@ static wxDateTime::WeekDay GetWeekDayFromName(const wxString& name, int flags) return wd; } -// scans all digits and returns the resulting number -static bool GetNumericToken(const wxChar*& p, unsigned long *number) +// scans all digits (but no more than len) and returns the resulting number +static bool GetNumericToken(size_t len, const wxChar*& p, unsigned long *number) { + size_t n = 1; wxString s; while ( wxIsdigit(*p) ) { s += *p++; + + if ( len && ++n > len ) + break; } return !!s && s.ToULong(number); @@ -1032,6 +1037,12 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country) // constructors and assignment operators // ---------------------------------------------------------------------------- +// return the current time with ms precision +/* static */ wxDateTime wxDateTime::UNow() +{ + return wxDateTime(wxGetLocalTimeMillis()); +} + // the values in the tm structure contain the local time wxDateTime& wxDateTime::Set(const struct tm& tm) { @@ -1207,7 +1218,7 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const tm = localtime(&time); // should never happen - wxCHECK_MSG( tm, Tm(), _T("gmtime() failed") ); + wxCHECK_MSG( tm, Tm(), _T("localtime() failed") ); } else { @@ -1232,7 +1243,11 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const if ( tm ) { - return Tm(*tm, tz); + // adjust the milliseconds + Tm tm2(*tm, tz); + long timeOnly = (m_time % MILLISECONDS_PER_DAY).ToLong(); + tm2.msec = (wxDateTime_t)(timeOnly % 1000); + return tm2; } //else: use generic code below } @@ -1474,7 +1489,7 @@ wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday) } else if ( weekday < wdayThis ) { - return Substract(wxDateSpan::Days(wdayThis - weekday)); + return Subtract(wxDateSpan::Days(wdayThis - weekday)); } else // weekday > wdayThis { @@ -1527,7 +1542,7 @@ wxDateTime& wxDateTime::SetToPrevWeekDay(WeekDay weekday) diff = wdayThis - weekday; } - return Substract(wxDateSpan::Days(diff)); + return Subtract(wxDateSpan::Days(diff)); } bool wxDateTime::SetToWeekDay(WeekDay weekday, @@ -1745,7 +1760,7 @@ wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz, bool noDST) secDiff -= 3600; } - return Substract(wxTimeSpan::Seconds(secDiff)); + return Subtract(wxTimeSpan::Seconds(secDiff)); } // ---------------------------------------------------------------------------- @@ -1756,8 +1771,10 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const { wxCHECK_MSG( format, _T(""), _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 time_t time = GetTicks(); - if ( time != (time_t)-1 ) + if ( (time != (time_t)-1) && !wxStrstr(format, _T("%l")) ) { // use strftime() tm *tm; @@ -1799,7 +1816,8 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const } // we only parse ANSI C format specifications here, no POSIX 2 - // complications, no GNU extensions + // complications, no GNU extensions but we do add support for a "%l" format + // specifier allowing to get the number of milliseconds Tm tm = GetTm(tz); // used for calls to strftime() when we only deal with time @@ -1833,6 +1851,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const break; case _T('j'): // day of year has 3 digits + case _T('l'): // milliseconds have 3 digits fmt = _T("%03d"); break; @@ -2019,6 +2038,10 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const res += wxString::Format(fmt, GetDayOfYear(tz)); break; + case _T('l'): // milliseconds (NOT STANDARD) + res += wxString::Format(fmt, GetMillisecond(tz)); + break; + case _T('m'): // month as a number (01-12) res += wxString::Format(fmt, tm.mon + 1); break; @@ -2466,7 +2489,17 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, } // start of a format specification - switch ( *++fmt ) + + // parse the optional width + size_t width = 0; + while ( isdigit(*++fmt) ) + { + width *= 10; + width += *fmt - _T('0'); + } + + // then the format itself + switch ( *fmt ) { case _T('a'): // a weekday name case _T('A'): @@ -2539,7 +2572,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('d'): // day of a month (01-31) - if ( !GetNumericToken(input, &num) || (num > 31) ) + if ( !GetNumericToken(width, input, &num) || + (num > 31) || (num < 1) ) { // no match return (wxChar *)NULL; @@ -2552,7 +2586,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('H'): // hour in 24h format (00-23) - if ( !GetNumericToken(input, &num) || (num > 23) ) + if ( !GetNumericToken(width, input, &num) || (num > 23) ) { // no match return (wxChar *)NULL; @@ -2563,7 +2597,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('I'): // hour in 12h format (01-12) - if ( !GetNumericToken(input, &num) || !num || (num > 12) ) + if ( !GetNumericToken(width, input, &num) || !num || (num > 12) ) { // no match return (wxChar *)NULL; @@ -2575,7 +2609,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('j'): // day of the year - if ( !GetNumericToken(input, &num) || !num || (num > 366) ) + if ( !GetNumericToken(width, input, &num) || !num || (num > 366) ) { // no match return (wxChar *)NULL; @@ -2586,7 +2620,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('m'): // month as a number (01-12) - if ( !GetNumericToken(input, &num) || !num || (num > 12) ) + if ( !GetNumericToken(width, input, &num) || !num || (num > 12) ) { // no match return (wxChar *)NULL; @@ -2597,7 +2631,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('M'): // minute as a decimal number (00-59) - if ( !GetNumericToken(input, &num) || (num > 59) ) + if ( !GetNumericToken(width, input, &num) || (num > 59) ) { // no match return (wxChar *)NULL; @@ -2661,7 +2695,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, } case _T('S'): // second as a decimal number (00-61) - if ( !GetNumericToken(input, &num) || (num > 61) ) + if ( !GetNumericToken(width, input, &num) || (num > 61) ) { // no match return (wxChar *)NULL; @@ -2691,7 +2725,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('w'): // weekday as a number (0-6), Sunday = 0 - if ( !GetNumericToken(input, &num) || (wday > 6) ) + if ( !GetNumericToken(width, input, &num) || (wday > 6) ) { // no match return (wxChar *)NULL; @@ -2820,18 +2854,21 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, break; case _T('y'): // year without century (00-99) - if ( !GetNumericToken(input, &num) || (num > 99) ) + if ( !GetNumericToken(width, input, &num) || (num > 99) ) { // no match return (wxChar *)NULL; } haveYear = TRUE; - year = 1900 + (wxDateTime_t)num; + + // TODO should have an option for roll over date instead of + // hard coding it here + year = (num > 30 ? 1900 : 2000) + (wxDateTime_t)num; break; case _T('Y'): // year with century - if ( !GetNumericToken(input, &num) ) + if ( !GetNumericToken(width, input, &num) ) { // no match return (wxChar *)NULL; @@ -2870,7 +2907,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, // take this date as default tmDef = dateDef.GetTm(); } +#ifdef __WIN16__ else if ( m_time != 0 ) +#else + else if ( m_time != wxLongLong(0) ) +#endif { // if this date is valid, don't change it tmDef = GetTm(); @@ -2987,7 +3028,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) { wxString date = wxGetTranslation(literalDates[n].str); size_t len = date.length(); - if ( wxString(p, len).CmpNoCase(date) == 0 ) + if ( wxStrlen(p) >= len && (wxString(p, len).CmpNoCase(date) == 0) ) { // nothing can follow this, so stop here p += len; @@ -3003,6 +3044,11 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) } } + // We try to guess what we have here: for each new (numeric) token, we + // determine if it can be a month, day or a year. Of course, there is an + // ambiguity as some numbers may be days as well as months, so we also + // have the ability to back track. + // what do we have? bool haveDay = FALSE, // the months day? haveWDay = FALSE, // the day of week? @@ -3016,10 +3062,14 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) int year = 0; // tokenize the string - wxStringTokenizer tok(p, _T(",/-\t\n ")); + size_t nPosCur = 0; + static const wxChar *dateDelimiters = _T(".,/-\t\n "); + wxStringTokenizer tok(p, dateDelimiters); while ( tok.HasMoreTokens() ) { wxString token = tok.GetNextToken(); + if ( !token ) + continue; // is it a number? unsigned long val; @@ -3029,115 +3079,60 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) bool isDay = FALSE, isMonth = FALSE, - // only years are counted from 0 - isYear = (val == 0) || (val > 31); - if ( !isYear ) + isYear = FALSE; + + if ( !haveMon && val > 0 && val <= 12 ) { - // may be the month or month day or the year, assume the - // month day by default and fallback to month if the range - // allow it or to the year if our assumption doesn't work - if ( haveDay ) + // assume it is month + isMonth = TRUE; + } + else // not the month + { + wxDateTime_t maxDays = haveMon + ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon) + : 31; + + // can it be day? + if ( (val == 0) || (val > maxDays) ) { - // we already have the day, so may only be a month or year - if ( val > 12 ) - { - isYear = TRUE; - } - else - { - isMonth = TRUE; - } + isYear = TRUE; } - else // it may be day + else { isDay = TRUE; - - // check the range - if ( haveMon ) - { - if ( val > GetNumOfDaysInMonth(haveYear ? year - : Inv_Year, - mon) ) - { - // oops, it can't be a day finally - isDay = FALSE; - - if ( val > 12 ) - { - isYear = TRUE; - } - else - { - isMonth = TRUE; - } - } - } } } - // remember that we have this and stop the scan if it's the second - // time we find this, except for the day logic (see there) if ( isYear ) { if ( haveYear ) - { break; - } haveYear = TRUE; - // no roll over - 99 means 99, not 1999 for us year = (wxDateTime_t)val; } - else if ( isMonth ) + else if ( isDay ) { - if ( haveMon ) - { + if ( haveDay ) break; - } - haveMon = TRUE; + haveDay = TRUE; - mon = (wxDateTime::Month)val; + day = (wxDateTime_t)val; } - else + else if ( isMonth ) { - wxASSERT_MSG( isDay, _T("logic error") ); - - if ( haveDay ) - { - // may be were mistaken when we found it for the first - // time? may be it was a month or year instead? - // - // this ability to "backtrack" allows us to correctly parse - // both things like 01/13 and 13/01 - but, of course, we - // still can't resolve the ambiguity in 01/02 (it will be - // Feb 1 for us, not Jan 2 as americans might expect!) - if ( (day <= 12) && !haveMon ) - { - // exchange day and month - mon = (wxDateTime::Month)day; - - haveMon = TRUE; - } - else if ( !haveYear ) - { - // exchange day and year - year = day; - - haveYear = TRUE; - } - } - - haveDay = TRUE; + haveMon = TRUE; - day = (wxDateTime_t)val; + mon = (Month)(val - 1); } } else // not a number { - mon = GetMonthFromName(token, Name_Full | Name_Abbr); - if ( mon != Inv_Month ) + // be careful not to overwrite the current mon value + Month mon2 = GetMonthFromName(token, Name_Full | Name_Abbr); + if ( mon2 != Inv_Month ) { // it's a month if ( haveMon ) @@ -3145,6 +3140,8 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) break; } + mon = mon2; + haveMon = TRUE; } else @@ -3219,19 +3216,21 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) } } } + + nPosCur = tok.GetPosition(); } // either no more tokens or the scan was stopped by something we couldn't // parse - in any case, see if we can construct a date from what we have if ( !haveDay && !haveWDay ) { - wxLogDebug(_T("no day, no weekday hence no date.")); + wxLogDebug(_T("ParseDate: no day, no weekday hence no date.")); return (wxChar *)NULL; } if ( haveWDay && (haveMon || haveYear || haveDay) && - !(haveMon && haveMon && haveYear) ) + !(haveDay && haveMon && haveYear) ) { // without adjectives (which we don't support here) the week day only // makes sense completely separately or with the full date @@ -3239,6 +3238,37 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) return (wxChar *)NULL; } + if ( !haveWDay && haveYear && !(haveDay && haveMon) ) + { + // may be we have month and day instead of day and year? + if ( haveDay && !haveMon ) + { + if ( day <= 12 ) + { + // exchange day and month + mon = (wxDateTime::Month)(day - 1); + + // we're in the current year then + if ( year <= GetNumOfDaysInMonth(Inv_Year, mon) ) + { + day = year; + + haveMon = TRUE; + haveYear = FALSE; + } + //else: no, can't exchange, leave haveMon == FALSE + } + } + + if ( !haveMon ) + { + // if we give the year, month and day must be given too + wxLogDebug(_T("ParseDate: day and month should be specified if year is.")); + + return (wxChar *)NULL; + } + } + if ( !haveMon ) { mon = GetCurrentMonth(); @@ -3259,6 +3289,8 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) if ( GetWeekDay() != wday ) { // inconsistency detected + wxLogDebug(_T("ParseDate: inconsistent day/weekday.")); + return (wxChar *)NULL; } } @@ -3270,8 +3302,16 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) SetToWeekDayInSameWeek(wday); } - // return the pointer to the next char - return p + wxStrlen(p) - wxStrlen(tok.GetString()); + // return the pointer to the first unparsed char + p += nPosCur; + if ( nPosCur && wxStrchr(dateDelimiters, *(p - 1)) ) + { + // if we couldn't parse the token after the delimiter, put back the + // delimiter as well + p--; + } + + return p; } const wxChar *wxDateTime::ParseTime(const wxChar *time) @@ -3381,46 +3421,46 @@ wxString wxTimeSpan::Format(const wxChar *format) const wxString str; str.Alloc(wxStrlen(format)); - for ( const wxChar *pch = format; pch; pch++ ) + for ( const wxChar *pch = format; *pch; pch++ ) { wxChar ch = *pch; - if ( ch == '%' ) + if ( ch == _T('%') ) { wxString tmp; - ch = *pch++; + ch = *++pch; // get the format spec char switch ( ch ) { default: wxFAIL_MSG( _T("invalid format character") ); // fall through - case '%': + case _T('%'): // will get to str << ch below break; - case 'D': + case _T('D'): tmp.Printf(_T("%d"), GetDays()); break; - case 'E': + case _T('E'): tmp.Printf(_T("%d"), GetWeeks()); break; - case 'H': + case _T('H'): tmp.Printf(_T("%02d"), GetHours()); break; - case 'l': + case _T('l'): tmp.Printf(_T("%03ld"), GetMilliseconds().ToLong()); break; - case 'M': + case _T('M'): tmp.Printf(_T("%02d"), GetMinutes()); break; - case 'S': + case _T('S'): tmp.Printf(_T("%02ld"), GetSeconds().ToLong()); break; } @@ -3446,7 +3486,7 @@ wxString wxTimeSpan::Format(const wxChar *format) const #include "wx/arrimpl.cpp" -WX_DEFINE_OBJARRAY(wxDateTimeArray) +WX_DEFINE_OBJARRAY(wxDateTimeArray); static int wxCMPFUNC_CONV wxDateTimeCompareFunc(wxDateTime **first, wxDateTime **second)