X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/12e8247795963d724765d3108aeac5b96dbee83a..8ef9a526cea6ecc3853f327a76da14561b36f82a:/src/common/datetime.cpp?ds=sidebyside diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp index 9067100085..3d131c9503 100644 --- a/src/common/datetime.cpp +++ b/src/common/datetime.cpp @@ -93,17 +93,17 @@ const long wxDateTime::TIME_T_FACTOR = 1000l; template<> void wxStringReadValue(const wxString &s , wxDateTime &data ) { - data.ParseFormat(s,wxT("%Y-%m-%d %H:%M:%S")) ; + data.ParseFormat(s,"%Y-%m-%d %H:%M:%S", NULL); } template<> void wxStringWriteValue(wxString &s , const wxDateTime &data ) { - s = data.Format(wxT("%Y-%m-%d %H:%M:%S")) ; + s = data.Format("%Y-%m-%d %H:%M:%S"); } wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter , wxFromStringConverter) -#endif +#endif // wxUSE_EXTENDED_RTTI // // ---------------------------------------------------------------------------- @@ -138,13 +138,6 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter , wxFromStringCon #include #endif -// define a special symbol for VC8 instead of writing tests for 1400 repeatedly -#ifdef __VISUALC__ - #if __VISUALC__ >= 1400 - #define __VISUALC8__ - #endif -#endif - #if !defined(WX_TIMEZONE) && !defined(WX_GMTOFF_IN_TM) #if defined(__WXPALMOS__) #define WX_GMTOFF_IN_TM @@ -171,7 +164,39 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter , wxFromStringCon #elif defined(__DARWIN__) #define WX_GMTOFF_IN_TM #elif defined(__WXWINCE__) && defined(__VISUALC8__) + // _timezone is not present in dynamic run-time library + #if 0 + // Solution (1): use the function equivalent of _timezone + static long wxGetTimeZone() + { + static long s_Timezone = MAXLONG; // invalid timezone + if (s_Timezone == MAXLONG) + { + int t; + _get_timezone(& t); + s_Timezone = (long) t; + } + return s_Timezone; + } + #define WX_TIMEZONE wxGetTimeZone() + #elif 1 + // Solution (2): using GetTimeZoneInformation + static long wxGetTimeZone() + { + static long timezone = MAXLONG; // invalid timezone + if (timezone == MAXLONG) + { + TIME_ZONE_INFORMATION tzi; + ::GetTimeZoneInformation(&tzi); + timezone = tzi.Bias; + } + return timezone; + } + #define WX_TIMEZONE wxGetTimeZone() + #else + // Old method using _timezone: this symbol doesn't exist in the dynamic run-time library (i.e. using /MD) #define WX_TIMEZONE _timezone + #endif #else // unknown platform - try timezone #define WX_TIMEZONE timezone #endif @@ -336,8 +361,8 @@ 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"); +const char *wxDefaultDateTimeFormat = "%c"; +const char *wxDefaultTimeSpanFormat = "%H:%M:%S"; // in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to // indicate an invalid wxDateTime object @@ -479,13 +504,13 @@ static wxString CallStrftime(const wxString& format, const tm* tm) #endif // Unicode-friendly strptime() wrapper -static const wxChar * -CallStrptime(const wxChar *input, const char *fmt, tm *tm) +static const wxStringCharType * +CallStrptime(const wxStringCharType *input, const char *fmt, tm *tm) { // the problem here is that strptime() returns pointer into the string we // passed to it while we're really interested in the pointer into the // original, Unicode, string so we try to transform the pointer back -#if wxUSE_UNICODE +#if wxUSE_UNICODE_WCHAR wxCharBuffer inputMB(wxConvertWX2MB(input)); #else // ASCII const char * const inputMB = input; @@ -495,7 +520,7 @@ CallStrptime(const wxChar *input, const char *fmt, tm *tm) if ( !result ) return NULL; -#if wxUSE_UNICODE +#if wxUSE_UNICODE_WCHAR // FIXME: this is wrong in presence of surrogates &c return input + (result - inputMB.data()); #else // ASCII @@ -611,7 +636,9 @@ struct tm *wxDateTime::GetTmNow(struct tm *tmstruct) } // 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) +static bool GetNumericToken(size_t len, + const wxStringCharType*& p, + unsigned long *number) { size_t n = 1; wxString s; @@ -627,7 +654,7 @@ static bool GetNumericToken(size_t len, const wxChar*& p, unsigned long *number) } // scans all alphabetic characters and returns the resulting string -static wxString GetAlphaToken(const wxChar*& p) +static wxString GetAlphaToken(const wxStringCharType*& p) { wxString s; while ( wxIsalpha(*p) ) @@ -1199,9 +1226,6 @@ 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); } else switch ( country ) { @@ -1300,9 +1324,6 @@ 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); } else switch ( country ) { @@ -1581,6 +1602,7 @@ unsigned long wxDateTime::GetAsDOS() const time_t ticks = GetTicks(); struct tm tmstruct; struct tm *tm = wxLocaltime_r(&ticks, &tmstruct); + wxCHECK_MSG( tm, ULONG_MAX, _T("time can't be represented in DOS format") ); long year = tm->tm_year; year -= 80; @@ -2429,7 +2451,7 @@ wxString wxDateTime::Format(const wxString& format, const TimeZone& tz) const // will change if one of these years is leap and the other one // is not! { - // find the YEAR: normally, for any year X, Jan 1 or the + // find the YEAR: normally, for any year X, Jan 1 of the // year X + 28 is the same weekday as Jan 1 of X (because // the weekday advances by 1 for each normal X and by 2 // for each leap X, hence by 5 every 4 years or by 35 @@ -2471,41 +2493,15 @@ wxString wxDateTime::Format(const wxString& format, const TimeZone& tz) const nLostWeekDays += year++ % 4 ? 1 : 2; } - // Keep year below 2000 so the 2digit year number - // can never match the month or day of the month - if (year>=2000) year-=28; - // at any rate, we couldn't go further than 1988 + 9 + 28! - wxASSERT_MSG( year < 2030, - _T("logic error in wxDateTime::Format") ); - - wxString strYear, strYear2; - strYear.Printf(_T("%d"), year); - strYear2.Printf(_T("%d"), year % 100); + // finally move the year below 2000 so that the 2-digit + // year number can never match the month or day of the + // month when we do the replacements below + if ( year >= 2000 ) + year -= 28; - // find four strings not occurring in format (this is surely - // not the optimal way of doing it... improvements welcome!) - wxString fmt2 = format; - wxString replacement,replacement2,replacement3,replacement4; - for (int rnr=1; rnr<5 ; rnr++) - { - wxString r = (wxChar)-rnr; - while ( fmt2.Find(r) != wxNOT_FOUND ) - { - r << (wxChar)-rnr; - } + wxASSERT_MSG( year >= 1970 && year < 2000, + _T("logic error in wxDateTime::Format") ); - switch (rnr) - { - case 1: replacement=r; break; - case 2: replacement2=r; break; - case 3: replacement3=r; break; - case 4: replacement4=r; break; - } - } - // replace all occurrences of year with it - bool wasReplaced = fmt2.Replace(strYear, replacement) > 0; - // evaluation order ensures we always attempt the replacement. - wasReplaced = (fmt2.Replace(strYear2, replacement2) > 0) || wasReplaced; // use strftime() to format the same date but in supported // year @@ -2529,25 +2525,23 @@ wxString wxDateTime::Format(const wxString& format, const TimeZone& tz) const : _T("%x"), &tmAdjusted); - // now replace the occurrence of 1999 with the real year - // we do this in two stages to stop the 2 digit year - // matching any substring of the 4 digit year. - // Any day,month hours and minutes components should be safe due - // to ensuring the range of the years. - wxString strYearReal, strYearReal2; - strYearReal.Printf(_T("%04d"), yearReal); - strYearReal2.Printf(_T("%02d"), yearReal % 100); - str.Replace(strYear, replacement3); - str.Replace(strYear2,replacement4); - str.Replace(replacement3, strYearReal); - str.Replace(replacement4, strYearReal2); - - // and replace back all occurrences of replacement string - if ( wasReplaced ) - { - str.Replace(replacement2, strYear2); - str.Replace(replacement, strYear); - } + // now replace the replacement year with the real year: + // notice that we have to replace the 4 digit year with + // a unique string not appearing in strftime() output + // first to prevent the 2 digit year from matching any + // substring of the 4 digit year (but any day, month, + // hours or minutes components should be safe because + // they are never in 70-99 range) + wxString replacement("|"); + while ( str.find(replacement) != wxString::npos ) + replacement += '|'; + + str.Replace(wxString::Format("%d", year), + replacement); + str.Replace(wxString::Format("%d", year % 100), + wxString::Format("%d", yearReal % 100)); + str.Replace(replacement, + wxString::Format("%d", yearReal)); res += str; } @@ -2690,12 +2684,12 @@ wxString wxDateTime::Format(const wxString& format, const TimeZone& tz) const // RFC822 time specs. // // TODO a great candidate for using reg exps -const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) +const char * +wxDateTime::ParseRfc822Date(const wxString& date, wxString::const_iterator *end) { - wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") ); - - const wxChar *p = date; - const wxChar *comma = wxStrchr(p, _T(',')); + // TODO: rewrite using iterators instead of wxChar pointers + const wxStringCharType *p = date.wx_str(); + const wxStringCharType *comma = wxStrchr(p, wxS(',')); if ( comma ) { // the part before comma is the weekday @@ -2708,7 +2702,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) { wxLogDebug(_T("no space after weekday in RFC822 time spec")); - return (wxChar *)NULL; + return NULL; } p++; // skip space @@ -2719,7 +2713,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) { wxLogDebug(_T("day number expected in RFC822 time spec, none found")); - return (wxChar *)NULL; + return NULL; } wxDateTime_t day = (wxDateTime_t)(*p++ - _T('0')); @@ -2731,7 +2725,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( *p++ != _T(' ') ) { - return (wxChar *)NULL; + return NULL; } // the following 3 letters specify the month @@ -2765,21 +2759,21 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) { wxLogDebug(_T("Invalid RFC 822 month name '%s'"), monName.c_str()); - return (wxChar *)NULL; + return NULL; } p += 3; if ( *p++ != _T(' ') ) { - return (wxChar *)NULL; + return NULL; } // next is the year if ( !wxIsdigit(*p) ) { // no year? - return (wxChar *)NULL; + return NULL; } int year = *p++ - _T('0'); @@ -2787,7 +2781,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( !wxIsdigit(*p) ) { // should have at least 2 digits in the year - return (wxChar *)NULL; + return NULL; } year *= 10; @@ -2802,7 +2796,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( !wxIsdigit(*p) ) { // no 3 digit years please - return (wxChar *)NULL; + return NULL; } year *= 10; @@ -2811,20 +2805,20 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( *p++ != _T(' ') ) { - return (wxChar *)NULL; + return NULL; } // time is in the format hh:mm:ss and seconds are optional if ( !wxIsdigit(*p) ) { - return (wxChar *)NULL; + return NULL; } wxDateTime_t hour = (wxDateTime_t)(*p++ - _T('0')); if ( !wxIsdigit(*p) ) { - return (wxChar *)NULL; + return NULL; } hour *= 10; @@ -2832,19 +2826,19 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( *p++ != _T(':') ) { - return (wxChar *)NULL; + return NULL; } if ( !wxIsdigit(*p) ) { - return (wxChar *)NULL; + return NULL; } wxDateTime_t min = (wxDateTime_t)(*p++ - _T('0')); if ( !wxIsdigit(*p) ) { - return (wxChar *)NULL; + return NULL; } min *= 10; @@ -2855,14 +2849,14 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) { if ( !wxIsdigit(*p) ) { - return (wxChar *)NULL; + return NULL; } sec = (wxDateTime_t)(*p++ - _T('0')); if ( !wxIsdigit(*p) ) { - return (wxChar *)NULL; + return NULL; } sec *= 10; @@ -2871,7 +2865,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( *p++ != _T(' ') ) { - return (wxChar *)NULL; + return NULL; } // and now the interesting part: the timezone @@ -2883,7 +2877,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) ) { - return (wxChar *)NULL; + return NULL; } // hours @@ -2893,7 +2887,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) ) { - return (wxChar *)NULL; + return NULL; } // minutes @@ -2925,7 +2919,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) { wxLogDebug(_T("Invalid militaty timezone '%c'"), *p); - return (wxChar *)NULL; + return NULL; } offset = offsets[*p++ - _T('A')]; @@ -2960,7 +2954,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) { wxLogDebug(_T("Unknown RFC 822 timezone '%s'"), p); - return (wxChar *)NULL; + return NULL; } p += tz.length(); @@ -2972,9 +2966,13 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date) // the spec was correct, construct the date from the values we found Set(day, mon, year, hour, min, sec); - MakeFromTimezone(TimeZone((wxDateTime_t)(offset*SEC_PER_MIN))); + MakeFromTimezone(TimeZone::Make(offset*SEC_PER_MIN)); + + const size_t endpos = p - date.wx_str(); + if ( end ) + *end = date.begin() + endpos; - return p; + return date.c_str() + endpos; } #ifdef __WINDOWS__ @@ -3137,12 +3135,13 @@ static wxString GetLocaleDateFormat() #endif // __WINDOWS__ -const wxChar *wxDateTime::ParseFormat(const wxChar *date, - const wxString& format, - const wxDateTime& dateDef) +const char * +wxDateTime::ParseFormat(const wxString& date, + const wxString& format, + const wxDateTime& dateDef, + wxString::const_iterator *end) { - wxCHECK_MSG( date && !format.empty(), (wxChar *)NULL, - _T("NULL pointer in wxDateTime::ParseFormat()") ); + wxCHECK_MSG( !format.empty(), NULL, "format can't be empty" ); wxString str; unsigned long num; @@ -3170,7 +3169,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, wxDateTime::Month mon = Inv_Month; int year = 0; - const wxChar *input = date; + const wxStringCharType *input = date.wx_str(); for ( wxString::const_iterator fmt = format.begin(); fmt != format.end(); ++fmt ) { if ( *fmt != _T('%') ) @@ -3191,7 +3190,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( *input++ != *fmt ) { // no match - return (wxChar *)NULL; + return NULL; } } @@ -3244,7 +3243,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( wday == Inv_WeekDay ) { // no match - return (wxChar *)NULL; + return NULL; } } haveWDay = true; @@ -3258,7 +3257,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( mon == Inv_Month ) { // no match - return (wxChar *)NULL; + return NULL; } } haveMon = true; @@ -3268,25 +3267,16 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, { 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 %d %H:%M:%S %Y"); + const wxString inc(input); - 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 ) + // try the format which corresponds to ctime() output first + wxString::const_iterator endc; + if ( !dt.ParseFormat(inc, wxS("%a %b %d %H:%M:%S %Y"), &endc) && + !dt.ParseFormat(inc, wxS("%x %X"), &endc) && + !dt.ParseFormat(inc, wxS("%X %x"), &endc) ) { // we've tried everything and still no match - return (wxChar *)NULL; + return NULL; } Tm tm = dt.GetTm(); @@ -3302,7 +3292,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, mon = tm.mon; mday = tm.mday; - input = result; + input += endc - inc.begin(); } break; @@ -3311,7 +3301,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, (num > 31) || (num < 1) ) { // no match - return (wxChar *)NULL; + return NULL; } // we can't check whether the day range is correct yet, will @@ -3324,7 +3314,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || (num > 23) ) { // no match - return (wxChar *)NULL; + return NULL; } haveHour = true; @@ -3335,7 +3325,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || !num || (num > 12) ) { // no match - return (wxChar *)NULL; + return NULL; } haveHour = true; @@ -3347,7 +3337,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || !num || (num > 366) ) { // no match - return (wxChar *)NULL; + return NULL; } haveYDay = true; @@ -3358,7 +3348,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || !num || (num > 12) ) { // no match - return (wxChar *)NULL; + return NULL; } haveMon = true; @@ -3369,7 +3359,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || (num > 59) ) { // no match - return (wxChar *)NULL; + return NULL; } haveMin = true; @@ -3382,7 +3372,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, GetAmPmStrings(&am, &pm); if (am.empty() && pm.empty()) - return (wxChar *)NULL; // no am/pm strings defined + return NULL; // no am/pm strings defined if ( token.CmpNoCase(pm) == 0 ) { isPM = true; @@ -3390,7 +3380,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, else if ( token.CmpNoCase(am) != 0 ) { // no match - return (wxChar *)NULL; + return NULL; } } break; @@ -3398,11 +3388,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, case _T('r'): // time as %I:%M:%S %p { wxDateTime dt; - input = dt.ParseFormat(input, _T("%I:%M:%S %p")); + input = dt.ParseFormat(input, wxS("%I:%M:%S %p")); if ( !input ) { // no match - return (wxChar *)NULL; + return NULL; } haveHour = haveMin = haveSec = true; @@ -3417,11 +3407,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, case _T('R'): // time as %H:%M { wxDateTime dt; - input = dt.ParseFormat(input, _T("%H:%M")); + input = dt.ParseFormat(input, wxS("%H:%M")); if ( !input ) { // no match - return (wxChar *)NULL; + return NULL; } haveHour = haveMin = true; @@ -3436,7 +3426,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || (num > 61) ) { // no match - return (wxChar *)NULL; + return NULL; } haveSec = true; @@ -3450,7 +3440,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !input ) { // no match - return (wxChar *)NULL; + return NULL; } haveHour = haveMin = haveSec = true; @@ -3466,7 +3456,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || (wday > 6) ) { // no match - return (wxChar *)NULL; + return NULL; } haveWDay = true; @@ -3481,7 +3471,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, { struct tm tm; - const wxChar *result = CallStrptime(input, "%x", &tm); + const wxStringCharType * + result = CallStrptime(input, "%x", &tm); if ( result ) { input = result; @@ -3507,7 +3498,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, // Windows for the right way of formatting the date: fmtDate = GetLocaleDateFormat(); if ( fmtDate.empty() ) -#endif +#endif // __WINDOWS__ { if ( IsWestEuropeanCountry(GetCountry()) || GetCountry() == Russia ) @@ -3522,29 +3513,29 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, } } - const wxChar *result = dt.ParseFormat(input, fmtDate); - - if ( !result && !fmtDateAlt.empty() ) + const wxString indate(input); + wxString::const_iterator endDate; + if ( !dt.ParseFormat(indate, fmtDate, &endDate) ) { - // ok, be nice and try another one - result = dt.ParseFormat(input, fmtDateAlt); - } - - if ( !result ) - { - // bad luck - return (wxChar *)NULL; + // try another one if we have it + if ( fmtDateAlt.empty() || + !dt.ParseFormat(indate, fmtDateAlt, &endDate) ) + { + return NULL; + } } Tm tm = dt.GetTm(); - haveDay = haveMon = haveYear = true; + haveDay = + haveMon = + haveYear = true; year = tm.year; mon = tm.mon; mday = tm.mday; - input = result; + input += endDate - indate.begin(); } break; @@ -3557,7 +3548,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, input = CallStrptime(input, "%X", &tm); if ( !input ) { - return (wxChar *)NULL; + return NULL; } haveHour = haveMin = haveSec = true; @@ -3576,19 +3567,22 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, // common cases wxDateTime dt; - const wxChar *result = dt.ParseFormat(input, _T("%T")); + const wxStringCharType * + result = dt.ParseFormat(input, wxS("%T")); if ( !result ) { - result = dt.ParseFormat(input, _T("%r")); + result = dt.ParseFormat(input, wxS("%r")); } if ( !result ) { // no match - return (wxChar *)NULL; + return NULL; } - haveHour = haveMin = haveSec = true; + haveHour = + haveMin = + haveSec = true; Tm tm = dt.GetTm(); hour = tm.hour; @@ -3604,7 +3598,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) || (num > 99) ) { // no match - return (wxChar *)NULL; + return NULL; } haveYear = true; @@ -3618,7 +3612,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( !GetNumericToken(width, input, &num) ) { // no match - return (wxChar *)NULL; + return NULL; } haveYear = true; @@ -3633,7 +3627,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, if ( *input++ != _T('%') ) { // no match - return (wxChar *)NULL; + return NULL; } break; @@ -3643,7 +3637,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, // fall through default: // not a known format spec - return (wxChar *)NULL; + return NULL; } } @@ -3682,7 +3676,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, { wxLogDebug(_T("bad month day in wxDateTime::ParseFormat")); - return (wxChar *)NULL; + return NULL; } tm.mon = mon; @@ -3694,7 +3688,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, { wxLogDebug(_T("bad year day in wxDateTime::ParseFormat")); - return (wxChar *)NULL; + return NULL; } Tm tm2 = wxDateTime(1, Jan, tm.year).SetToYearDay(yday).GetTm(); @@ -3737,73 +3731,82 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date, return NULL; } - return input; + const size_t endpos = input - date.wx_str(); + if ( end ) + *end = date.begin() + endpos; + + return date.c_str() + endpos; } -const wxChar *wxDateTime::ParseDateTime(const wxChar *date) +const char * +wxDateTime::ParseDateTime(const wxString& date, wxString::const_iterator *end) { - wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") ); - // Set to current day and hour, so strings like '14:00' becomes today at // 14, not some other random date wxDateTime dtDate = wxDateTime::Today(); wxDateTime dtTime = wxDateTime::Today(); - const wxChar* pchTime; - - // Try to parse the beginning of the string as a date - const wxChar* pchDate = dtDate.ParseDate(date); + wxString::const_iterator + endTime, + endDate, + endBoth; - // We got a date in the beginning, see if there is a time specified after the date - if ( pchDate ) + // If we got a date in the beginning, see if there is a time specified + // after the date + if ( dtDate.ParseDate(date, &endDate) ) { // Skip spaces, as the ParseTime() function fails on spaces - while ( wxIsspace(*pchDate) ) - pchDate++; + while ( endDate != date.end() && wxIsspace(*endDate) ) + ++endDate; - pchTime = dtTime.ParseTime(pchDate); + const wxString timestr(endDate, date.end()); + if ( !dtTime.ParseTime(timestr, &endTime) ) + return NULL; + + endBoth = endDate + (endTime - timestr.begin()); } else // no date in the beginning { - // check and see if we have a time followed by a date - pchTime = dtTime.ParseTime(date); - if ( pchTime ) - { - while ( wxIsspace(*pchTime) ) - pchTime++; + // check if we have a time followed by a date + if ( !dtTime.ParseTime(date, &endTime) ) + return NULL; - pchDate = dtDate.ParseDate(pchTime); - } - } + while ( endTime != date.end() && wxIsspace(*endTime) ) + ++endTime; - // If we have a date specified, set our own data to the same date - if ( !pchDate || !pchTime ) - return NULL; + const wxString datestr(endTime, date.end()); + if ( !dtDate.ParseDate(datestr, &endDate) ) + return NULL; + + endBoth = endTime + (endDate - datestr.begin()); + } Set(dtDate.GetDay(), dtDate.GetMonth(), dtDate.GetYear(), dtTime.GetHour(), dtTime.GetMinute(), dtTime.GetSecond(), dtTime.GetMillisecond()); // Return endpoint of scan - return pchDate > pchTime ? pchDate : pchTime; + if ( end ) + *end = endBoth; + + return date.c_str() + (endBoth - date.begin()); } -const wxChar *wxDateTime::ParseDate(const wxChar *date) +const char * +wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end) { // this is a simplified version of ParseDateTime() which understands only // "today" (for wxDate compatibility) and digits only otherwise (and not // all esoteric constructions ParseDateTime() knows about) - wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") ); - - const wxChar *p = date; + const wxStringCharType *p = date.wx_str(); while ( wxIsspace(*p) ) p++; // some special cases static struct { - const wxChar *str; + const char *str; int dayDiffFromToday; } literalDates[] = { @@ -3831,7 +3834,11 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) *this += wxDateSpan::Days(dayDiffFromToday); } - return p; + const size_t endpos = p - date.wx_str(); + + if ( end ) + *end = date.begin() + endpos; + return date.c_str() + endpos; } } } @@ -3855,7 +3862,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) // tokenize the string size_t nPosCur = 0; - static const wxChar *dateDelimiters = _T(".,/-\t\r\n "); + static const wxStringCharType *dateDelimiters = wxS(".,/-\t\r\n "); wxStringTokenizer tok(p, dateDelimiters); while ( tok.HasMoreTokens() ) { @@ -3964,8 +3971,8 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) } else // not a valid month name { - wday = GetWeekDayFromName(token, Name_Full | Name_Abbr); - if ( wday != Inv_WeekDay ) + WeekDay wday2 = GetWeekDayFromName(token, Name_Full | Name_Abbr); + if ( wday2 != Inv_WeekDay ) { // a week day if ( haveWDay ) @@ -3973,12 +3980,14 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) break; } + wday = wday2; + haveWDay = true; } else // not a valid weekday name { // try the ordinals - static const wxChar *ordinals[] = + static const char *ordinals[] = { wxTRANSLATE("first"), wxTRANSLATE("second"), @@ -4114,7 +4123,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) // inconsistency detected wxLogDebug(_T("ParseDate: inconsistent day/weekday.")); - return (wxChar *)NULL; + return NULL; } } } @@ -4134,17 +4143,20 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date) p--; } - return p; + const size_t endpos = p - date.wx_str(); + if ( end ) + *end = date.begin() + endpos; + + return date.c_str() + endpos; } -const wxChar *wxDateTime::ParseTime(const wxChar *time) +const char * +wxDateTime::ParseTime(const wxString& time, wxString::const_iterator *end) { - wxCHECK_MSG( time, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") ); - // first try some extra things static const struct { - const wxChar *name; + const char *name; wxDateTime_t hour; } stdTimes[] = { @@ -4162,56 +4174,35 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time) // casts required by DigitalMars Set(stdTimes[n].hour, wxDateTime_t(0), wxDateTime_t(0)); - return time + len; + if ( end ) + *end = time.begin() + len; + + return time.c_str() + len; } } // 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 ) + static const char *timeFormats[] = { - // normally, it's the same, but why not try it? - result = ParseFormat(time, _T("%H:%M:%S")); - } + "%I:%M:%S %p", // 12hour with AM/PM + "%H:%M:%S", // could be the same or 24 hour one so try it too + "%I:%M %p", // 12hour with AM/PM but without seconds + "%H:%M:%S", // and a possibly 24 hour version without seconds + "%X", // possibly something from above or maybe something + // completely different -- try it last - if ( !result ) - { - // 12hour with AM/PM but without seconds? - result = ParseFormat(time, _T("%I:%M %p")); - } - - if ( !result ) - { - // without seconds? - result = ParseFormat(time, _T("%H:%M")); - } - - if ( !result ) - { - // just the hour and AM/PM? - result = ParseFormat(time, _T("%I %p")); - } - - if ( !result ) - { - // just the hour? - result = ParseFormat(time, _T("%H")); - } + // TODO: parse timezones + }; - if ( !result ) + for ( size_t nFmt = 0; nFmt < WXSIZEOF(timeFormats); nFmt++ ) { - // 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")); + const char *result = ParseFormat(time, timeFormats[nFmt], end); + if ( result ) + return result; } - // TODO: parse timezones - - return result; + return NULL; } // ----------------------------------------------------------------------------