- wxDateTime_t hour = *p++ - _T('0');
-
- if ( !wxIsdigit(*p) )
- {
- return (wxChar *)NULL;
- }
-
- hour *= 10;
- hour += *p++ - _T('0');
-
- if ( *p++ != _T(':') )
- {
- return (wxChar *)NULL;
- }
-
- if ( !wxIsdigit(*p) )
- {
- return (wxChar *)NULL;
- }
-
- wxDateTime_t min = *p++ - _T('0');
-
- if ( !wxIsdigit(*p) )
- {
- return (wxChar *)NULL;
- }
-
- min *= 10;
- min += *p++ - _T('0');
-
- wxDateTime_t sec = 0;
- if ( *p++ == _T(':') )
- {
- if ( !wxIsdigit(*p) )
- {
- return (wxChar *)NULL;
- }
-
- sec = *p++ - _T('0');
-
- if ( !wxIsdigit(*p) )
- {
- return (wxChar *)NULL;
- }
-
- sec *= 10;
- sec += *p++ - _T('0');
- }
-
- if ( *p++ != _T(' ') )
- {
- return (wxChar *)NULL;
- }
-
- // and now the interesting part: the timezone
- int offset;
- if ( *p == _T('-') || *p == _T('+') )
- {
- // the explicit offset given: it has the form of hhmm
- bool plus = *p++ == _T('+');
-
- if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
- {
- return (wxChar *)NULL;
- }
-
- // hours
- offset = 60*(10*(*p - _T('0')) + (*(p + 1) - _T('0')));
-
- p += 2;
-
- if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
- {
- return (wxChar *)NULL;
- }
-
- // minutes
- offset += 10*(*p - _T('0')) + (*(p + 1) - _T('0'));
-
- if ( !plus )
- {
- offset = -offset;
- }
-
- p += 2;
- }
- else
- {
- // the symbolic timezone given: may be either military timezone or one
- // of standard abbreviations
- if ( !*(p + 1) )
- {
- // military: Z = UTC, J unused, A = -1, ..., Y = +12
- static const int offsets[26] =
- {
- //A B C D E F G H I J K L M
- -1, -2, -3, -4, -5, -6, -7, -8, -9, 0, -10, -11, -12,
- //N O P R Q S T U V W Z Y Z
- +1, +2, +3, +4, +5, +6, +7, +8, +9, +10, +11, +12, 0
- };
-
- if ( *p < _T('A') || *p > _T('Z') || *p == _T('J') )
- {
- wxLogDebug(_T("Invalid militaty timezone '%c'"), *p);
-
- return (wxChar *)NULL;
- }
-
- offset = offsets[*p++ - _T('A')];
- }
- else
- {
- // abbreviation
- wxString tz = p;
- if ( tz == _T("UT") || tz == _T("UTC") || tz == _T("GMT") )
- offset = 0;
- else if ( tz == _T("AST") )
- offset = AST - GMT0;
- else if ( tz == _T("ADT") )
- offset = ADT - GMT0;
- else if ( tz == _T("EST") )
- offset = EST - GMT0;
- else if ( tz == _T("EDT") )
- offset = EDT - GMT0;
- else if ( tz == _T("CST") )
- offset = CST - GMT0;
- else if ( tz == _T("CDT") )
- offset = CDT - GMT0;
- else if ( tz == _T("MST") )
- offset = MST - GMT0;
- else if ( tz == _T("MDT") )
- offset = MDT - GMT0;
- else if ( tz == _T("PST") )
- offset = PST - GMT0;
- else if ( tz == _T("PDT") )
- offset = PDT - GMT0;
- else
- {
- wxLogDebug(_T("Unknown RFC 822 timezone '%s'"), p);
-
- return (wxChar *)NULL;
- }
-
- p += tz.length();
- }
-
- // make it minutes
- offset *= 60;
- }
-
- // the spec was correct
- Set(day, mon, year, hour, min, sec);
- MakeTimezone(60*(wxDateTime_t)offset);
-
- return p;
-}
-
-const wxChar *wxDateTime::ParseFormat(const wxChar *date,
- const wxChar *format,
- const wxDateTime& dateDef)
-{
- wxCHECK_MSG( date && format, (wxChar *)NULL,
- _T("NULL pointer in wxDateTime::ParseFormat()") );
-
- wxString str;
- 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
-
- // and the value of the items we have (init them to get rid of warnings)
- wxDateTime_t sec = 0,
- min = 0,
- hour = 0;
- WeekDay wday = Inv_WeekDay;
- wxDateTime_t yday = 0,
- mday = 0;
- wxDateTime::Month mon = Inv_Month;
- int year = 0;
-
- const wxChar *input = date;
- for ( const wxChar *fmt = format; *fmt; fmt++ )
- {
- if ( *fmt != _T('%') )
- {
- if ( wxIsspace(*fmt) )
- {
- // a white space in the format string matches 0 or more white
- // spaces in the input
- while ( wxIsspace(*input) )
- {
- input++;
- }
- }
- else // !space
- {
- // any other character (not whitespace, not '%') must be
- // matched by itself in the input
- if ( *input++ != *fmt )
- {
- // no match
- return (wxChar *)NULL;
- }
- }
-
- // done with this format char
- continue;
- }
-
- // start of a format specification
- switch ( *++fmt )
- {
- case _T('a'): // a weekday name
- case _T('A'):
- {
- int flag = *fmt == _T('a') ? Name_Abbr : Name_Full;
- wday = GetWeekDayFromName(GetAlphaToken(input), flag);
- if ( wday == Inv_WeekDay )
- {
- // no match
- return (wxChar *)NULL;
- }
- }
- haveWDay = TRUE;
- break;
-
- case _T('b'): // a month name
- case _T('B'):
- {
- int flag = *fmt == _T('b') ? Name_Abbr : Name_Full;
- mon = GetMonthFromName(GetAlphaToken(input), flag);
- if ( mon == Inv_Month )
- {
- // no match
- return (wxChar *)NULL;
- }
- }
- haveMon = TRUE;
- break;
-
- case _T('c'): // locale default date and time representation
- {
- wxDateTime dt;
-
- // this is the format which corresponds to ctime() output
- // and strptime("%c") should parse it, so try it first
- static const wxChar *fmtCtime = _T("%a %b %e %H:%M:%S %Y");
-
- const wxChar *result = dt.ParseFormat(input, fmtCtime);
- if ( !result )
- {
- result = dt.ParseFormat(input, _T("%x %X"));
- }
-
- if ( !result )
- {
- result = dt.ParseFormat(input, _T("%X %x"));
- }
-
- if ( !result )
- {
- // we've tried everything and still no match
- return (wxChar *)NULL;
- }
-
- Tm tm = dt.GetTm();
-
- haveDay = haveMon = haveYear =
- haveHour = haveMin = haveSec = TRUE;
-
- hour = tm.hour;
- min = tm.min;
- sec = tm.sec;
-
- year = tm.year;
- mon = tm.mon;
- mday = tm.mday;
-
- input = result;
- }
- break;
-
- case _T('d'): // day of a month (01-31)
- if ( !GetNumericToken(input, &num) || (num > 31) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- // we can't check whether the day range is correct yet, will
- // do it later - assume ok for now
- haveDay = TRUE;
- mday = (wxDateTime_t)num;
- break;
-
- case _T('H'): // hour in 24h format (00-23)
- if ( !GetNumericToken(input, &num) || (num > 23) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveHour = TRUE;
- hour = (wxDateTime_t)num;
- break;
-
- case _T('I'): // hour in 12h format (01-12)
- if ( !GetNumericToken(input, &num) || !num || (num > 12) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveHour = TRUE;
- hourIsIn12hFormat = TRUE;
- hour = num % 12; // 12 should be 0
- break;
-
- case _T('j'): // day of the year
- if ( !GetNumericToken(input, &num) || !num || (num > 366) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveYDay = TRUE;
- yday = (wxDateTime_t)num;
- break;
-
- case _T('m'): // month as a number (01-12)
- if ( !GetNumericToken(input, &num) || !num || (num > 12) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveMon = TRUE;
- mon = (Month)(num - 1);
- break;
-
- case _T('M'): // minute as a decimal number (00-59)
- if ( !GetNumericToken(input, &num) || (num > 59) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveMin = TRUE;
- min = (wxDateTime_t)num;
- break;
-
- case _T('p'): // AM or PM string
- {
- wxString am, pm, token = GetAlphaToken(input);
-
- GetAmPmStrings(&am, &pm);
- if ( token.CmpNoCase(pm) == 0 )
- {
- isPM = TRUE;
- }
- else if ( token.CmpNoCase(am) != 0 )
- {
- // no match
- return (wxChar *)NULL;
- }
- }
- break;
-
- case _T('r'): // time as %I:%M:%S %p
- {
- wxDateTime dt;
- input = dt.ParseFormat(input, _T("%I:%M:%S %p"));
- if ( !input )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveHour = haveMin = haveSec = TRUE;
-
- Tm tm = dt.GetTm();
- hour = tm.hour;
- min = tm.min;
- sec = tm.sec;
- }
- break;
-
- case _T('R'): // time as %H:%M
- {
- wxDateTime dt;
- input = dt.ParseFormat(input, _T("%H:%M"));
- if ( !input )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveHour = haveMin = TRUE;
-
- Tm tm = dt.GetTm();
- hour = tm.hour;
- min = tm.min;
- }
-
- case _T('S'): // second as a decimal number (00-61)
- if ( !GetNumericToken(input, &num) || (num > 61) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveSec = TRUE;
- sec = (wxDateTime_t)num;
- break;
-
- case _T('T'): // time as %H:%M:%S
- {
- wxDateTime dt;
- input = dt.ParseFormat(input, _T("%H:%M:%S"));
- if ( !input )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveHour = haveMin = haveSec = TRUE;
-
- Tm tm = dt.GetTm();
- hour = tm.hour;
- min = tm.min;
- sec = tm.sec;
- }
- break;
-
- case _T('w'): // weekday as a number (0-6), Sunday = 0
- if ( !GetNumericToken(input, &num) || (wday > 6) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveWDay = TRUE;
- wday = (WeekDay)num;
- break;
-
- case _T('x'): // locale default date representation
-#ifdef HAVE_STRPTIME
- // 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)
- {
- struct tm tm;
- const wxChar *result = strptime(input, "%x", &tm);
- if ( result )
- {
- input = result;
-
- haveDay = haveMon = haveYear = TRUE;
-
- year = 1900 + tm.tm_year;
- mon = (Month)tm.tm_mon;
- mday = tm.tm_mday;
-
- break;
- }
- }
-#endif // HAVE_STRPTIME
-
- // TODO query the LOCALE_IDATE setting under Win32
- {
- wxDateTime dt;
-
- wxString fmtDate;
- if ( IsWestEuropeanCountry(GetCountry()) ||
- GetCountry() == Russia )
- {
- fmtDate = _T("%d/%m/%y");
- }
- else // assume USA
- {
- fmtDate = _T("%m/%d/%y");
- }
-
- const wxChar *result = dt.ParseFormat(input, fmtDate);
- if ( !result )
- {
- // bad luck
- return (wxChar *)NULL;
- }
-
- Tm tm = dt.GetTm();
-
- haveDay = haveMon = haveYear = TRUE;
-
- year = tm.year;
- mon = tm.mon;
- mday = tm.mday;
-
- input = result;
- }
-
- break;
-
- case _T('X'): // locale default time representation
-#ifdef HAVE_STRPTIME
- {
- // use strptime() to do it for us (FIXME !Unicode friendly)
- struct tm tm;
- input = strptime(input, "%X", &tm);
- if ( !input )
- {
- return (wxChar *)NULL;
- }
-
- haveHour = haveMin = haveSec = TRUE;
-
- hour = tm.tm_hour;
- min = tm.tm_min;
- sec = tm.tm_sec;
- }
-#else // !HAVE_STRPTIME
- // TODO under Win32 we can query the LOCALE_ITIME system
- // setting which says whether the default time format is
- // 24 or 12 hour
- {
- // try to parse what follows as "%H:%M:%S" and, if this
- // fails, as "%I:%M:%S %p" - this should catch the most
- // common cases
- wxDateTime dt;
-
- const wxChar *result = dt.ParseFormat(input, _T("%T"));
- if ( !result )
- {
- result = dt.ParseFormat(input, _T("%r"));
- }
-
- if ( !result )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveHour = haveMin = haveSec = TRUE;
-
- Tm tm = dt.GetTm();
- hour = tm.hour;
- min = tm.min;
- sec = tm.sec;
-
- input = result;
- }
-#endif // HAVE_STRPTIME/!HAVE_STRPTIME
- break;
-
- case _T('y'): // year without century (00-99)
- if ( !GetNumericToken(input, &num) || (num > 99) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveYear = TRUE;
- year = 1900 + num;
- break;
-
- case _T('Y'): // year with century
- if ( !GetNumericToken(input, &num) )
- {
- // no match
- return (wxChar *)NULL;
- }
-
- haveYear = TRUE;
- year = (wxDateTime_t)num;
- break;
-
- case _T('Z'): // timezone name
- wxFAIL_MSG(_T("TODO"));
- break;
-
- case _T('%'): // a percent sign
- if ( *input++ != _T('%') )
- {
- // no match
- return (wxChar *)NULL;
- }
- break;
-
- case 0: // the end of string
- wxFAIL_MSG(_T("unexpected format end"));
-
- // fall through
-
- default: // not a known format spec
- return (wxChar *)NULL;
- }
- }
-
- // format matched, try to construct a date from what we have now
- Tm tmDef;
- if ( dateDef.IsValid() )
- {
- // take this date as default
- tmDef = dateDef.GetTm();
- }
- else if ( m_time != 0 )
- {
- // if this date is valid, don't change it
- tmDef = GetTm();
- }
- else
- {
- // no default and this date is invalid - fall back to Today()
- tmDef = Today().GetTm();
- }
-
- Tm tm = tmDef;
-
- // set the date
- if ( haveYear )
- {
- tm.year = year;
- }
-
- // TODO we don't check here that the values are consistent, if both year
- // day and month/day were found, we just ignore the year day and we
- // also always ignore the week day
- if ( haveMon && haveDay )
- {
- if ( mday > GetNumOfDaysInMonth(tm.year, mon) )
- {
- wxLogDebug(_T("bad month day in wxDateTime::ParseFormat"));
-
- return (wxChar *)NULL;
- }
-
- tm.mon = mon;
- tm.mday = mday;
- }
- else if ( haveYDay )
- {
- if ( yday > GetNumberOfDays(tm.year) )
- {
- wxLogDebug(_T("bad year day in wxDateTime::ParseFormat"));
-
- return (wxChar *)NULL;
- }
-
- Tm tm2 = wxDateTime(1, Jan, tm.year).SetToYearDay(yday).GetTm();
-
- tm.mon = tm2.mon;
- tm.mday = tm2.mday;
- }
-
- // deal with AM/PM
- if ( haveHour && hourIsIn12hFormat && isPM )
- {
- // translate to 24hour format
- hour += 12;
- }
- //else: either already in 24h format or no translation needed
-
- // set the time
- if ( haveHour )
- {
- tm.hour = hour;
- }
-
- if ( haveMin )
- {
- tm.min = min;
- }
-
- if ( haveSec )
- {
- tm.sec = sec;
- }
-
- Set(tm);
-
- return input;
-}
-
-const wxChar *wxDateTime::ParseDateTime(const wxChar *date)
projects / wxWidgets.git / blobdiff