namespace
{
-#ifdef HAVE_STRPTIME
-
-#if wxUSE_UNIX && !defined(HAVE_STRPTIME_DECL)
- // configure detected that we had strptime() but not its declaration,
- // provide it ourselves
- extern "C" char *strptime(const char *, const char *, struct tm *);
-#endif
-
-// strptime() wrapper: call strptime() for the string starting at the given
-// iterator and fill output tm struct with the results and modify input to
-// point to the end of the string consumed by strptime() if successful,
-// otherwise return false and don't modify anything
-bool
-CallStrptime(const wxString& str,
- wxString::const_iterator& p,
- const char *fmt,
- tm *tm)
-{
- // convert from iterator to char pointer: this is simple as wxCStrData
- // already supports this
- const char * const start = str.c_str() + (p - str.begin());
-
- const char * const end = strptime(start, fmt, tm);
- if ( !end )
- return false;
-
- // convert back from char pointer to iterator: unfortunately we have no way
- // to do it efficiently currently so create a temporary string just to
- // compute the number of characters between start and end
- p += wxString(start, end - start).length();
-
- return true;
-}
-
-#endif // HAVE_STRPTIME
-
enum
{
DateLang_English = 1,
// scans all digits (but no more than len) and returns the resulting number
bool GetNumericToken(size_t len,
wxString::const_iterator& p,
+ const wxString::const_iterator& end,
unsigned long *number)
{
size_t n = 1;
wxString s;
- while ( wxIsdigit(*p) )
+ while ( p != end && wxIsdigit(*p) )
{
s += *p++;
}
// scans all alphabetic characters and returns the resulting string
-wxString GetAlphaToken(wxString::const_iterator& p)
+wxString
+GetAlphaToken(wxString::const_iterator& p,
+ const wxString::const_iterator& end)
{
wxString s;
- while ( wxIsalpha(*p) )
+ while ( p != end && wxIsalpha(*p) )
{
s += *p++;
}
// FIXME-VC6: using wxString() instead of wxEmptyString in the
// line below results in error C2062: type 'class
// wxString (__cdecl *)(void)' unexpected
- const wxString& fmtAlt = wxEmptyString,
- const wxString& fmtAlt2 = wxString())
+ const wxString& fmtAlt = wxEmptyString)
{
const wxString str(p, end);
wxString::const_iterator endParse;
wxDateTime dt;
if ( dt.ParseFormat(str, fmt, &endParse) ||
- (!fmtAlt.empty() && dt.ParseFormat(str, fmtAlt, &endParse)) ||
- (!fmtAlt2.empty() && dt.ParseFormat(str, fmtAlt2, &endParse)) )
+ (!fmtAlt.empty() && dt.ParseFormat(str, fmtAlt, &endParse)) )
{
p += endParse - str.begin();
}
return true;
}
-#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__
-
bool
wxDateTime::ParseFormat(const wxString& date,
const wxString& format,
const wxDateTime& dateDef,
- wxString::const_iterator *end)
+ wxString::const_iterator *endParse)
{
wxCHECK_MSG( !format.empty(), false, "format can't be empty" );
- wxCHECK_MSG( end, false, "end iterator pointer must be specified" );
+ wxCHECK_MSG( endParse, false, "end iterator pointer must be specified" );
wxString str;
unsigned long num;
int year = 0;
wxString::const_iterator input = date.begin();
+ const wxString::const_iterator end = date.end();
for ( wxString::const_iterator fmt = format.begin(); fmt != format.end(); ++fmt )
{
if ( *fmt != _T('%') )
{
// a white space in the format string matches 0 or more white
// spaces in the input
- while ( wxIsspace(*input) )
+ while ( input != end && wxIsspace(*input) )
{
input++;
}
{
// any other character (not whitespace, not '%') must be
// matched by itself in the input
- if ( *input++ != *fmt )
+ if ( input == end || *input++ != *fmt )
{
// no match
return false;
{
wday = GetWeekDayFromName
(
- GetAlphaToken(input),
+ GetAlphaToken(input, end),
*fmt == 'a' ? Name_Abbr : Name_Full,
DateLang_Local
);
{
mon = GetMonthFromName
(
- GetAlphaToken(input),
+ GetAlphaToken(input, end),
*fmt == 'b' ? Name_Abbr : Name_Full,
DateLang_Local
);
case _T('c'): // locale default date and time representation
{
-#ifdef HAVE_STRPTIME
- struct tm tm;
+ wxDateTime dt;
- // 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
- if ( CallStrptime(date, input, "%c", &tm) )
- {
- hour = tm.tm_hour;
- min = tm.tm_min;
- sec = tm.tm_sec;
+ const wxString
+ fmtDateTime = wxLocale::GetInfo(wxLOCALE_DATE_TIME_FMT);
+ if ( !fmtDateTime.empty() )
+ dt = ParseFormatAt(input, end, fmtDateTime);
- year = 1900 + tm.tm_year;
- mon = (Month)tm.tm_mon;
- mday = tm.tm_mday;
+ if ( !dt.IsValid() )
+ {
+ // also try the format which corresponds to ctime()
+ // output (i.e. the "C" locale default)
+ dt = ParseFormatAt(input, end, wxS("%a %b %d %H:%M:%S %Y"));
}
- else // strptime() failed; try generic heuristic code
-#endif // HAVE_STRPTIME
+
+ if ( !dt.IsValid() )
{
+ // and finally also the two generic date/time formats
+ dt = ParseFormatAt(input, end, wxS("%x %X"), wxS("%X %x"));
+ }
- // try the format which corresponds to ctime() output
- // first, then the generic date/time formats
- const wxDateTime dt = ParseFormatAt
- (
- input,
- date.end(),
- wxS("%a %b %d %H:%M:%S %Y"),
- wxS("%x %X"),
- wxS("%X %x")
- );
- if ( !dt.IsValid() )
- return false;
+ if ( !dt.IsValid() )
+ return false;
- Tm tm = dt.GetTm();
+ const Tm tm = dt.GetTm();
- hour = tm.hour;
- min = tm.min;
- sec = tm.sec;
+ hour = tm.hour;
+ min = tm.min;
+ sec = tm.sec;
- year = tm.year;
- mon = tm.mon;
- mday = tm.mday;
- }
+ year = tm.year;
+ mon = tm.mon;
+ mday = tm.mday;
haveDay = haveMon = haveYear =
haveHour = haveMin = haveSec = true;
break;
case _T('d'): // day of a month (01-31)
- if ( !GetNumericToken(width, input, &num) ||
+ if ( !GetNumericToken(width, input, end, &num) ||
(num > 31) || (num < 1) )
{
// no match
break;
case _T('H'): // hour in 24h format (00-23)
- if ( !GetNumericToken(width, input, &num) || (num > 23) )
+ if ( !GetNumericToken(width, input, end, &num) || (num > 23) )
{
// no match
return false;
break;
case _T('I'): // hour in 12h format (01-12)
- if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ !num || (num > 12) )
{
// no match
return false;
break;
case _T('j'): // day of the year
- if ( !GetNumericToken(width, input, &num) || !num || (num > 366) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ !num || (num > 366) )
{
// no match
return false;
break;
case _T('l'): // milliseconds (0-999)
- if ( !GetNumericToken(width, input, &num) )
+ if ( !GetNumericToken(width, input, end, &num) )
return false;
haveMsec = true;
break;
case _T('m'): // month as a number (01-12)
- if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ !num || (num > 12) )
{
// no match
return false;
break;
case _T('M'): // minute as a decimal number (00-59)
- if ( !GetNumericToken(width, input, &num) || (num > 59) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (num > 59) )
{
// no match
return false;
case _T('p'): // AM or PM string
{
- wxString am, pm, token = GetAlphaToken(input);
+ wxString am, pm, token = GetAlphaToken(input, end);
// some locales have empty AM/PM tokens and thus when formatting
// dates with the %p specifier nothing is generated; when trying to
case _T('r'): // time as %I:%M:%S %p
{
wxDateTime dt;
- if ( !dt.ParseFormat(wxString(input, date.end()),
+ if ( !dt.ParseFormat(wxString(input, end),
wxS("%I:%M:%S %p"), &input) )
return false;
haveHour = haveMin = haveSec = true;
- Tm tm = dt.GetTm();
+ const Tm tm = dt.GetTm();
hour = tm.hour;
min = tm.min;
sec = tm.sec;
case _T('R'): // time as %H:%M
{
const wxDateTime
- dt = ParseFormatAt(input, date.end(), wxS("%H:%M"));
+ dt = ParseFormatAt(input, end, wxS("%H:%M"));
if ( !dt.IsValid() )
return false;
haveHour =
haveMin = true;
- Tm tm = dt.GetTm();
+ const 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) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (num > 61) )
{
// no match
return false;
case _T('T'): // time as %H:%M:%S
{
const wxDateTime
- dt = ParseFormatAt(input, date.end(), wxS("%H:%M:%S"));
+ dt = ParseFormatAt(input, end, wxS("%H:%M:%S"));
if ( !dt.IsValid() )
return false;
haveMin =
haveSec = true;
- Tm tm = dt.GetTm();
+ const 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(width, input, &num) || (wday > 6) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (wday > 6) )
{
// no match
return false;
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
- {
- struct tm tm;
-
- if ( CallStrptime(date, input, "%x", &tm) )
- {
- haveDay = haveMon = haveYear = true;
-
- year = 1900 + tm.tm_year;
- mon = (Month)tm.tm_mon;
- mday = tm.tm_mday;
-
- break;
- }
- }
-#endif // HAVE_STRPTIME
-
{
- wxString fmtDate,
- fmtDateAlt;
+ wxString
+ fmtDate = wxLocale::GetInfo(wxLOCALE_SHORT_DATE_FMT),
+ fmtDateAlt = wxLocale::GetInfo(wxLOCALE_LONG_DATE_FMT);
-#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 // __WINDOWS__
{
if ( IsWestEuropeanCountry(GetCountry()) ||
GetCountry() == Russia )
{
- fmtDate = _T("%d/%m/%y");
- fmtDateAlt = _T("%m/%d/%y");
- }
+ fmtDate = wxS("%d/%m/%Y");
+ fmtDateAlt = wxS("%m/%d/%Y");
+ }
else // assume USA
{
- fmtDate = _T("%m/%d/%y");
- fmtDateAlt = _T("%d/%m/%y");
+ fmtDate = wxS("%m/%d/%Y");
+ fmtDateAlt = wxS("%d/%m/%Y");
}
}
- const wxDateTime
- dt = ParseFormatAt(input, date.end(),
- fmtDate, fmtDateAlt);
+ wxDateTime
+ dt = ParseFormatAt(input, end, fmtDate, fmtDateAlt);
+
if ( !dt.IsValid() )
- return false;
+ {
+ // try with short years too
+ fmtDate.Replace("%Y","%y");
+ fmtDateAlt.Replace("%Y","%y");
+ dt = ParseFormatAt(input, end, fmtDate, fmtDateAlt);
- Tm tm = dt.GetTm();
+ if ( !dt.IsValid() )
+ return false;
+ }
+
+ const Tm tm = dt.GetTm();
haveDay =
haveMon =
break;
case _T('X'): // locale default time representation
-#ifdef HAVE_STRPTIME
{
- // use strptime() to do it for us (FIXME !Unicode friendly)
- struct tm tm;
- if ( !CallStrptime(date, input, "%X", &tm) )
- return false;
+ wxString fmtTime = wxLocale::GetInfo(wxLOCALE_TIME_FMT),
+ fmtTimeAlt;
- haveHour = haveMin = haveSec = true;
+ if ( fmtTime.empty() )
+ {
+ // 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
+ fmtTime = "%T";
+ fmtTimeAlt = "%r";
+ }
- 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
const wxDateTime
- dt = ParseFormatAt(input, date.end(), "%T", "%r");
+ dt = ParseFormatAt(input, end, fmtTime, fmtTimeAlt);
if ( !dt.IsValid() )
return false;
haveMin =
haveSec = true;
- Tm tm = dt.GetTm();
+ const Tm tm = dt.GetTm();
hour = tm.hour;
min = tm.min;
sec = tm.sec;
}
-#endif // HAVE_STRPTIME/!HAVE_STRPTIME
break;
case _T('y'): // year without century (00-99)
- if ( !GetNumericToken(width, input, &num) || (num > 99) )
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (num > 99) )
{
// no match
return false;
break;
case _T('Y'): // year with century
- if ( !GetNumericToken(width, input, &num) )
+ if ( !GetNumericToken(width, input, end, &num) )
{
// no match
return false;
break;
case _T('Z'): // timezone name
- wxFAIL_MSG(_T("TODO"));
+ // FIXME: currently we just ignore everything that looks like a
+ // time zone here
+ GetAlphaToken(input, end);
break;
case _T('%'): // a percent sign
if ( haveWDay && GetWeekDay() != wday )
return false;
- *end = input;
+ *endParse = input;
return true;
}
{ wxTRANSLATE("tomorrow"), 1 },
};
+ const size_t lenRest = date.end() - p;
for ( size_t n = 0; n < WXSIZEOF(literalDates); n++ )
{
const wxString dateStr = wxGetTranslation(literalDates[n].str);
size_t len = dateStr.length();
+ if ( len > lenRest )
+ continue;
+
const wxString::const_iterator pEnd = p + len;
if ( wxString(p, pEnd).CmpNoCase(dateStr) == 0 )
{
projects / wxWidgets.git / blobdiff