// Author: Vadim Zeitlin
// Modified by:
// Created: 11.05.99
-// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// parts of code taken from sndcal library by Scott E. Lee:
//
#if !defined(wxUSE_DATETIME) || wxUSE_DATETIME
#ifndef WX_PRECOMP
- #ifdef __WXMSW__
+ #ifdef __WINDOWS__
#include "wx/msw/wrapwin.h"
#endif
#include "wx/string.h"
#endif // WX_PRECOMP
#include "wx/thread.h"
-#include "wx/tokenzr.h"
#include <ctype.h>
#endif
#include "wx/datetime.h"
+#include "wx/time.h"
// ============================================================================
// implementation of wxDateTime
// ============================================================================
// ----------------------------------------------------------------------------
-// wxDateTime to/from text representations
+// helpers shared between datetime.cpp and datetimefmt.cpp
+// ----------------------------------------------------------------------------
+
+extern void InitTm(struct tm& tm);
+
+extern wxString CallStrftime(const wxString& format, const tm* tm);
+
+// ----------------------------------------------------------------------------
+// constants (see also datetime.cpp)
+// ----------------------------------------------------------------------------
+
+static const int DAYS_PER_WEEK = 7;
+
+static const int HOURS_PER_DAY = 24;
+
+static const int SEC_PER_MIN = 60;
+
+static const int MIN_PER_HOUR = 60;
+
+// ----------------------------------------------------------------------------
+// parsing helpers
// ----------------------------------------------------------------------------
-wxString wxDateTime::Format(const wxString& format, const TimeZone& tz) const
+namespace
{
- wxCHECK_MSG( !format.empty(), wxEmptyString,
- _T("NULL format in wxDateTime::Format") );
+// all the functions below taking non-const wxString::const_iterator p advance
+// it until the end of the match
+
+// 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 ( p != end && wxIsdigit(*p) )
+ {
+ s += *p++;
+
+ if ( len && ++n > len )
+ break;
+ }
+
+ return !s.empty() && s.ToULong(number);
+}
+
+// scans all alphabetic characters and returns the resulting string
+wxString
+GetAlphaToken(wxString::const_iterator& p,
+ const wxString::const_iterator& end)
+{
+ wxString s;
+ while ( p != end && wxIsalpha(*p) )
+ {
+ s += *p++;
+ }
+
+ return s;
+}
+
+enum
+{
+ DateLang_English = 1,
+ DateLang_Local = 2
+};
+
+// return the month if the string is a month name or Inv_Month otherwise
+//
+// flags can contain wxDateTime::Name_Abbr/Name_Full or both of them and lang
+// can be either DateLang_Local (default) to interpret string as a localized
+// month name or DateLang_English to parse it as a standard English name or
+// their combination to interpret it in any way
+wxDateTime::Month
+GetMonthFromName(wxString::const_iterator& p,
+ const wxString::const_iterator& end,
+ int flags,
+ int lang)
+{
+ const wxString::const_iterator pOrig = p;
+ const wxString name = GetAlphaToken(p, end);
+ if ( name.empty() )
+ return wxDateTime::Inv_Month;
+
+ wxDateTime::Month mon;
+ for ( mon = wxDateTime::Jan; mon < wxDateTime::Inv_Month; wxNextMonth(mon) )
+ {
+ // case-insensitive comparison either one of or with both abbreviated
+ // and not versions
+ if ( flags & wxDateTime::Name_Full )
+ {
+ if ( lang & DateLang_English )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetEnglishMonthName(mon,
+ wxDateTime::Name_Full)) == 0 )
+ break;
+ }
+
+ if ( lang & DateLang_Local )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetMonthName(mon,
+ wxDateTime::Name_Full)) == 0 )
+ break;
+ }
+ }
+
+ if ( flags & wxDateTime::Name_Abbr )
+ {
+ if ( lang & DateLang_English )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetEnglishMonthName(mon,
+ wxDateTime::Name_Abbr)) == 0 )
+ break;
+ }
+
+ if ( lang & DateLang_Local )
+ {
+ // some locales (e.g. French one) use periods for the
+ // abbreviated month names but it's never part of name so
+ // compare it specially
+ wxString nameAbbr = wxDateTime::GetMonthName(mon,
+ wxDateTime::Name_Abbr);
+ const bool hasPeriod = *nameAbbr.rbegin() == '.';
+ if ( hasPeriod )
+ nameAbbr.erase(nameAbbr.end() - 1);
+
+ if ( name.CmpNoCase(nameAbbr) == 0 )
+ {
+ if ( hasPeriod )
+ {
+ // skip trailing period if it was part of the match
+ if ( *p == '.' )
+ ++p;
+ else // no match as no matching period
+ continue;
+ }
+
+ break;
+ }
+ }
+ }
+ }
+
+ if ( mon == wxDateTime::Inv_Month )
+ p = pOrig;
+
+ return mon;
+}
+
+// return the weekday if the string is a weekday name or Inv_WeekDay otherwise
+//
+// flags and lang parameters have the same meaning as for GetMonthFromName()
+// above
+wxDateTime::WeekDay
+GetWeekDayFromName(wxString::const_iterator& p,
+ const wxString::const_iterator& end,
+ int flags, int lang)
+{
+ const wxString::const_iterator pOrig = p;
+ const wxString name = GetAlphaToken(p, end);
+ if ( name.empty() )
+ return wxDateTime::Inv_WeekDay;
+
+ wxDateTime::WeekDay wd;
+ for ( wd = wxDateTime::Sun; wd < wxDateTime::Inv_WeekDay; wxNextWDay(wd) )
+ {
+ if ( flags & wxDateTime::Name_Full )
+ {
+ if ( lang & DateLang_English )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetEnglishWeekDayName(wd,
+ wxDateTime::Name_Full)) == 0 )
+ break;
+ }
+
+ if ( lang & DateLang_Local )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetWeekDayName(wd,
+ wxDateTime::Name_Full)) == 0 )
+ break;
+ }
+ }
+
+ if ( flags & wxDateTime::Name_Abbr )
+ {
+ if ( lang & DateLang_English )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetEnglishWeekDayName(wd,
+ wxDateTime::Name_Abbr)) == 0 )
+ break;
+ }
+
+ if ( lang & DateLang_Local )
+ {
+ if ( name.CmpNoCase(wxDateTime::GetWeekDayName(wd,
+ wxDateTime::Name_Abbr)) == 0 )
+ break;
+ }
+ }
+ }
+
+ if ( wd == wxDateTime::Inv_WeekDay )
+ p = pOrig;
+
+ return wd;
+}
+
+// parses string starting at given iterator using the specified format and,
+// optionally, a fall back format (and optionally another one... but it stops
+// there, really)
+//
+// if unsuccessful, returns invalid wxDateTime without changing p; otherwise
+// advance p to the end of the match and returns wxDateTime containing the
+// results of the parsing
+wxDateTime
+ParseFormatAt(wxString::const_iterator& p,
+ const wxString::const_iterator& end,
+ const wxString& fmt,
+ // 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 str(p, end);
+ wxString::const_iterator endParse;
+ wxDateTime dt;
+
+ // Use a default date outside of the DST period to avoid problems with
+ // parsing the time differently depending on the today's date (which is used
+ // as the fall back date if none is explicitly specified).
+ static const wxDateTime dtDef(1, wxDateTime::Jan, 2012);
+
+ if ( dt.ParseFormat(str, fmt, dtDef, &endParse) ||
+ (!fmtAlt.empty() && dt.ParseFormat(str, fmtAlt, dtDef, &endParse)) )
+ {
+ p += endParse - str.begin();
+ }
+ //else: all formats failed
+
+ return dt;
+}
+
+} // anonymous namespace
+
+// ----------------------------------------------------------------------------
+// wxDateTime to/from text representations
+// ----------------------------------------------------------------------------
+
+wxString wxDateTime::Format(const wxString& formatp, const TimeZone& tz) const
+{
+ wxCHECK_MSG( !formatp.empty(), wxEmptyString,
+ wxT("NULL format in wxDateTime::Format") );
+
+ wxString format = formatp;
+#ifdef __WXOSX__
+ format.Replace("%c",wxLocale::GetInfo(wxLOCALE_DATE_TIME_FMT));
+ format.Replace("%x",wxLocale::GetInfo(wxLOCALE_SHORT_DATE_FMT));
+ format.Replace("%X",wxLocale::GetInfo(wxLOCALE_TIME_FMT));
+#endif
// we have to use our own implementation if the date is out of range of
- // strftime() or if we use non standard specificators
-#ifdef HAVE_STRFTIME
+ // strftime() or if we use non standard specifiers (notice that "%z" is
+ // special because it is de facto standard under Unix but is not supported
+ // under Windows)
+#ifdef wxHAS_STRFTIME
time_t time = GetTicks();
- if ( (time != (time_t)-1) && !wxStrstr(format, _T("%l")) )
+ if ( (time != (time_t)-1) && !wxStrstr(format, wxT("%l"))
+#ifdef __WINDOWS__
+ && !wxStrstr(format, wxT("%z"))
+#endif
+ )
{
// use strftime()
struct tm tmstruct;
struct tm *tm;
- if ( tz.GetOffset() == -GetTimeZone() )
+ if ( tz.GetOffset() == -wxGetTimeZone() )
{
// we are working with local time
tm = wxLocaltime_r(&time, &tmstruct);
// should never happen
- wxCHECK_MSG( tm, wxEmptyString, _T("wxLocaltime_r() failed") );
+ wxCHECK_MSG( tm, wxEmptyString, wxT("wxLocaltime_r() failed") );
}
else
{
tm = wxGmtime_r(&time, &tmstruct);
// should never happen
- wxCHECK_MSG( tm, wxEmptyString, _T("wxGmtime_r() failed") );
+ wxCHECK_MSG( tm, wxEmptyString, wxT("wxGmtime_r() failed") );
}
else
{
}
}
//else: use generic code below
-#endif // HAVE_STRFTIME
+#endif // wxHAS_STRFTIME
// we only parse ANSI C format specifications here, no POSIX 2
// complications, no GNU extensions but we do add support for a "%l" format
// used for calls to strftime() when we only deal with time
struct tm tmTimeOnly;
+ memset(&tmTimeOnly, 0, sizeof(tmTimeOnly));
tmTimeOnly.tm_hour = tm.hour;
tmTimeOnly.tm_min = tm.min;
tmTimeOnly.tm_sec = tm.sec;
- tmTimeOnly.tm_wday = 0;
- tmTimeOnly.tm_yday = 0;
- tmTimeOnly.tm_mday = 1; // any date will do
+ tmTimeOnly.tm_mday = 1; // any date will do, use 1976-01-01
tmTimeOnly.tm_mon = 0;
tmTimeOnly.tm_year = 76;
tmTimeOnly.tm_isdst = 0; // no DST, we adjust for tz ourselves
wxString tmp, res, fmt;
for ( wxString::const_iterator p = format.begin(); p != format.end(); ++p )
{
- if ( *p != _T('%') )
+ if ( *p != wxT('%') )
{
// copy as is
res += *p;
// set the default format
switch ( (*++p).GetValue() )
{
- case _T('Y'): // year has 4 digits
- fmt = _T("%04d");
+ case wxT('Y'): // year has 4 digits
+ case wxT('z'): // time zone as well
+ fmt = wxT("%04d");
break;
- case _T('j'): // day of year has 3 digits
- case _T('l'): // milliseconds have 3 digits
- fmt = _T("%03d");
+ case wxT('j'): // day of year has 3 digits
+ case wxT('l'): // milliseconds have 3 digits
+ fmt = wxT("%03d");
break;
- case _T('w'): // week day as number has only one
- fmt = _T("%d");
+ case wxT('w'): // week day as number has only one
+ fmt = wxT("%d");
break;
default:
// the format is "%02d" (for all the rest) or we have the
// field width preceding the format in which case it will
// override the default format anyhow
- fmt = _T("%02d");
+ fmt = wxT("%02d");
}
bool restart = true;
// start of the format specification
switch ( (*p).GetValue() )
{
- case _T('a'): // a weekday name
- case _T('A'):
+ case wxT('a'): // a weekday name
+ case wxT('A'):
// second parameter should be true for abbreviated names
res += GetWeekDayName(tm.GetWeekDay(),
- *p == _T('a') ? Name_Abbr : Name_Full);
+ *p == wxT('a') ? Name_Abbr : Name_Full);
break;
- case _T('b'): // a month name
- case _T('B'):
+ case wxT('b'): // a month name
+ case wxT('B'):
res += GetMonthName(tm.mon,
- *p == _T('b') ? Name_Abbr : Name_Full);
+ *p == wxT('b') ? Name_Abbr : Name_Full);
break;
- case _T('c'): // locale default date and time representation
- case _T('x'): // locale default date representation
-#ifdef HAVE_STRFTIME
+ case wxT('c'): // locale default date and time representation
+ case wxT('x'): // locale default date representation
+#ifdef wxHAS_STRFTIME
//
// the problem: there is no way to know what do these format
// specifications correspond to for the current locale.
// (indirectly) set the year correctly
while ( (nLostWeekDays % 7) != 0 )
{
- nLostWeekDays += year++ % 4 ? 1 : 2;
+ nLostWeekDays += (year++ % 4) ? 1 : 2;
}
// finally move the year below 2000 so that the 2-digit
year -= 28;
wxASSERT_MSG( year >= 1970 && year < 2000,
- _T("logic error in wxDateTime::Format") );
+ wxT("logic error in wxDateTime::Format") );
// use strftime() to format the same date but in supported
tmAdjusted.tm_mon = tm.mon;
tmAdjusted.tm_year = year - 1900;
tmAdjusted.tm_isdst = 0; // no DST, already adjusted
- wxString str = CallStrftime(*p == _T('c') ? _T("%c")
- : _T("%x"),
+ wxString str = CallStrftime(*p == wxT('c') ? wxT("%c")
+ : wxT("%x"),
&tmAdjusted);
// now replace the replacement year with the real year:
res += str;
}
-#else // !HAVE_STRFTIME
+#else // !wxHAS_STRFTIME
// 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 // HAVE_STRFTIME/!HAVE_STRFTIME
+#endif // wxHAS_STRFTIME/!wxHAS_STRFTIME
break;
- case _T('d'): // day of a month (01-31)
+ case wxT('d'): // day of a month (01-31)
res += wxString::Format(fmt, tm.mday);
break;
- case _T('H'): // hour in 24h format (00-23)
+ case wxT('H'): // hour in 24h format (00-23)
res += wxString::Format(fmt, tm.hour);
break;
- case _T('I'): // hour in 12h format (01-12)
+ case wxT('I'): // hour in 12h format (01-12)
{
// 24h -> 12h, 0h -> 12h too
int hour12 = tm.hour > 12 ? tm.hour - 12
}
break;
- case _T('j'): // day of the year
+ case wxT('j'): // day of the year
res += wxString::Format(fmt, GetDayOfYear(tz));
break;
- case _T('l'): // milliseconds (NOT STANDARD)
+ case wxT('l'): // milliseconds (NOT STANDARD)
res += wxString::Format(fmt, GetMillisecond(tz));
break;
- case _T('m'): // month as a number (01-12)
+ case wxT('m'): // month as a number (01-12)
res += wxString::Format(fmt, tm.mon + 1);
break;
- case _T('M'): // minute as a decimal number (00-59)
+ case wxT('M'): // minute as a decimal number (00-59)
res += wxString::Format(fmt, tm.min);
break;
- case _T('p'): // AM or PM string
-#ifdef HAVE_STRFTIME
- res += CallStrftime(_T("%p"), &tmTimeOnly);
-#else // !HAVE_STRFTIME
+ case wxT('p'): // AM or PM string
+#ifdef wxHAS_STRFTIME
+ res += CallStrftime(wxT("%p"), &tmTimeOnly);
+#else // !wxHAS_STRFTIME
res += (tmTimeOnly.tm_hour > 12) ? wxT("pm") : wxT("am");
-#endif // HAVE_STRFTIME/!HAVE_STRFTIME
+#endif // wxHAS_STRFTIME/!wxHAS_STRFTIME
break;
- case _T('S'): // second as a decimal number (00-61)
+ case wxT('S'): // second as a decimal number (00-61)
res += wxString::Format(fmt, tm.sec);
break;
- case _T('U'): // week number in the year (Sunday 1st week day)
+ case wxT('U'): // week number in the year (Sunday 1st week day)
res += wxString::Format(fmt, GetWeekOfYear(Sunday_First, tz));
break;
- case _T('W'): // week number in the year (Monday 1st week day)
+ case wxT('W'): // week number in the year (Monday 1st week day)
res += wxString::Format(fmt, GetWeekOfYear(Monday_First, tz));
break;
- case _T('w'): // weekday as a number (0-6), Sunday = 0
+ case wxT('w'): // weekday as a number (0-6), Sunday = 0
res += wxString::Format(fmt, tm.GetWeekDay());
break;
- // case _T('x'): -- handled with "%c"
+ // case wxT('x'): -- handled with "%c"
- case _T('X'): // locale default time representation
+ case wxT('X'): // locale default time representation
// just use strftime() to format the time for us
-#ifdef HAVE_STRFTIME
- res += CallStrftime(_T("%X"), &tmTimeOnly);
-#else // !HAVE_STRFTIME
+#ifdef wxHAS_STRFTIME
+ res += CallStrftime(wxT("%X"), &tmTimeOnly);
+#else // !wxHAS_STRFTIME
res += wxString::Format(wxT("%02d:%02d:%02d"),tm.hour, tm.min, tm.sec);
-#endif // HAVE_STRFTIME/!HAVE_STRFTIME
+#endif // wxHAS_STRFTIME/!wxHAS_STRFTIME
break;
- case _T('y'): // year without century (00-99)
+ case wxT('y'): // year without century (00-99)
res += wxString::Format(fmt, tm.year % 100);
break;
- case _T('Y'): // year with century
+ case wxT('Y'): // year with century
res += wxString::Format(fmt, tm.year);
break;
- case _T('Z'): // timezone name
-#ifdef HAVE_STRFTIME
- res += CallStrftime(_T("%Z"), &tmTimeOnly);
+ case wxT('z'): // time zone as [-+]HHMM
+ {
+ int ofs = tz.GetOffset();
+
+ // The time zone offset does not include the DST, but
+ // we do need to take it into account when showing the
+ // time in the local time zone to the user.
+ if ( ofs == -wxGetTimeZone() && IsDST() == 1 )
+ {
+ // FIXME: As elsewhere in wxDateTime, we assume
+ // that the DST is always 1 hour, but this is not
+ // true in general.
+ ofs += 3600;
+ }
+
+ if ( ofs < 0 )
+ {
+ res += '-';
+ ofs = -ofs;
+ }
+ else
+ {
+ res += '+';
+ }
+
+ // Converts seconds to HHMM representation.
+ res += wxString::Format(fmt,
+ 100*(ofs/3600) + (ofs/60)%60);
+ }
+ break;
+
+ case wxT('Z'): // timezone name
+#ifdef wxHAS_STRFTIME
+ res += CallStrftime(wxT("%Z"), &tmTimeOnly);
#endif
break;
default:
// is it the format width?
- fmt.Empty();
- while ( *p == _T('-') || *p == _T('+') ||
- *p == _T(' ') || wxIsdigit(*p) )
+ for ( fmt.clear();
+ *p == wxT('-') || *p == wxT('+') ||
+ *p == wxT(' ') || wxIsdigit(*p);
+ ++p )
{
fmt += *p;
}
if ( !fmt.empty() )
{
// we've only got the flags and width so far in fmt
- fmt.Prepend(_T('%'));
- fmt.Append(_T('d'));
+ fmt.Prepend(wxT('%'));
+ fmt.Append(wxT('d'));
restart = true;
}
// no, it wasn't the width
- wxFAIL_MSG(_T("unknown format specificator"));
+ wxFAIL_MSG(wxT("unknown format specifier"));
// fall through and just copy it nevertheless
- case _T('%'): // a percent sign
+ case wxT('%'): // a percent sign
res += *p;
break;
case 0: // the end of string
- wxFAIL_MSG(_T("missing format at the end of string"));
+ wxFAIL_MSG(wxT("missing format at the end of string"));
// just put the '%' which was the last char in format
- res += _T('%');
+ res += wxT('%');
break;
}
}
//
// this function is "strict" by design - it must reject anything except true
// RFC822 time specs.
-//
-// TODO a great candidate for using reg exps
-const char *
+bool
wxDateTime::ParseRfc822Date(const wxString& date, wxString::const_iterator *end)
{
- // 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
-
- // skip it for now - we don't use but might check that it really
- // corresponds to the specfied date
- p = comma + 1;
-
- if ( *p != _T(' ') )
- {
- wxLogDebug(_T("no space after weekday in RFC822 time spec"));
-
- return NULL;
- }
-
- p++; // skip space
- }
-
- // the following 1 or 2 digits are the day number
+ const wxString::const_iterator pEnd = date.end();
+ wxString::const_iterator p = date.begin();
+
+ // 1. week day
+ const wxDateTime::WeekDay
+ wd = GetWeekDayFromName(p, pEnd, Name_Abbr, DateLang_English);
+ if ( wd == Inv_WeekDay )
+ return false;
+ //else: ignore week day for now, we could also check that it really
+ // corresponds to the specified date
+
+ // 2. separating comma
+ if ( *p++ != ',' || *p++ != ' ' )
+ return false;
+
+ // 3. day number
if ( !wxIsdigit(*p) )
- {
- wxLogDebug(_T("day number expected in RFC822 time spec, none found"));
+ return false;
- return NULL;
- }
-
- wxDateTime_t day = (wxDateTime_t)(*p++ - _T('0'));
+ wxDateTime_t day = (wxDateTime_t)(*p++ - '0');
if ( wxIsdigit(*p) )
{
day *= 10;
- day = (wxDateTime_t)(day + (*p++ - _T('0')));
- }
-
- if ( *p++ != _T(' ') )
- {
- return NULL;
+ day = (wxDateTime_t)(day + (*p++ - '0'));
}
- // the following 3 letters specify the month
- wxString monName(p, 3);
- Month mon;
- if ( monName == _T("Jan") )
- mon = Jan;
- else if ( monName == _T("Feb") )
- mon = Feb;
- else if ( monName == _T("Mar") )
- mon = Mar;
- else if ( monName == _T("Apr") )
- mon = Apr;
- else if ( monName == _T("May") )
- mon = May;
- else if ( monName == _T("Jun") )
- mon = Jun;
- else if ( monName == _T("Jul") )
- mon = Jul;
- else if ( monName == _T("Aug") )
- mon = Aug;
- else if ( monName == _T("Sep") )
- mon = Sep;
- else if ( monName == _T("Oct") )
- mon = Oct;
- else if ( monName == _T("Nov") )
- mon = Nov;
- else if ( monName == _T("Dec") )
- mon = Dec;
- else
- {
- wxLogDebug(_T("Invalid RFC 822 month name '%s'"), monName.c_str());
-
- return NULL;
- }
+ if ( *p++ != ' ' )
+ return false;
- p += 3;
+ // 4. month name
+ const Month mon = GetMonthFromName(p, pEnd, Name_Abbr, DateLang_English);
+ if ( mon == Inv_Month )
+ return false;
- if ( *p++ != _T(' ') )
- {
- return NULL;
- }
+ if ( *p++ != ' ' )
+ return false;
- // next is the year
+ // 5. year
if ( !wxIsdigit(*p) )
- {
- // no year?
- return NULL;
- }
+ return false;
- int year = *p++ - _T('0');
-
- if ( !wxIsdigit(*p) )
- {
- // should have at least 2 digits in the year
- return NULL;
- }
+ int year = *p++ - '0';
+ if ( !wxIsdigit(*p) ) // should have at least 2 digits in the year
+ return false;
year *= 10;
- year += *p++ - _T('0');
+ year += *p++ - '0';
// is it a 2 digit year (as per original RFC 822) or a 4 digit one?
if ( wxIsdigit(*p) )
{
year *= 10;
- year += *p++ - _T('0');
+ year += *p++ - '0';
if ( !wxIsdigit(*p) )
{
// no 3 digit years please
- return NULL;
+ return false;
}
year *= 10;
- year += *p++ - _T('0');
+ year += *p++ - '0';
}
- if ( *p++ != _T(' ') )
- {
- return NULL;
- }
+ if ( *p++ != ' ' )
+ return false;
- // time is in the format hh:mm:ss and seconds are optional
+ // 6. time in hh:mm:ss format with seconds being optional
if ( !wxIsdigit(*p) )
- {
- return NULL;
- }
+ return false;
- wxDateTime_t hour = (wxDateTime_t)(*p++ - _T('0'));
+ wxDateTime_t hour = (wxDateTime_t)(*p++ - '0');
if ( !wxIsdigit(*p) )
- {
- return NULL;
- }
+ return false;
hour *= 10;
- hour = (wxDateTime_t)(hour + (*p++ - _T('0')));
+ hour = (wxDateTime_t)(hour + (*p++ - '0'));
- if ( *p++ != _T(':') )
- {
- return NULL;
- }
+ if ( *p++ != ':' )
+ return false;
if ( !wxIsdigit(*p) )
- {
- return NULL;
- }
+ return false;
- wxDateTime_t min = (wxDateTime_t)(*p++ - _T('0'));
+ wxDateTime_t min = (wxDateTime_t)(*p++ - '0');
if ( !wxIsdigit(*p) )
- {
- return NULL;
- }
+ return false;
min *= 10;
- min = (wxDateTime_t)(min + *p++ - _T('0'));
+ min += (wxDateTime_t)(*p++ - '0');
wxDateTime_t sec = 0;
- if ( *p == _T(':') )
+ if ( *p == ':' )
{
p++;
if ( !wxIsdigit(*p) )
- {
- return NULL;
- }
+ return false;
- sec = (wxDateTime_t)(*p++ - _T('0'));
+ sec = (wxDateTime_t)(*p++ - '0');
if ( !wxIsdigit(*p) )
- {
- return NULL;
- }
+ return false;
sec *= 10;
- sec = (wxDateTime_t)(sec + *p++ - _T('0'));
+ sec += (wxDateTime_t)(*p++ - '0');
}
- if ( *p++ != _T(' ') )
- {
- return NULL;
- }
+ if ( *p++ != ' ' )
+ return false;
- // and now the interesting part: the timezone
- int offset wxDUMMY_INITIALIZE(0);
- if ( *p == _T('-') || *p == _T('+') )
+ // 7. now the interesting part: the timezone
+ int offset = 0; // just to suppress warnings
+ if ( *p == '-' || *p == '+' )
{
// the explicit offset given: it has the form of hhmm
- bool plus = *p++ == _T('+');
+ bool plus = *p++ == '+';
if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
- {
- return NULL;
- }
+ return false;
+
// hours
- offset = MIN_PER_HOUR*(10*(*p - _T('0')) + (*(p + 1) - _T('0')));
+ offset = MIN_PER_HOUR*(10*(*p - '0') + (*(p + 1) - '0'));
p += 2;
if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
- {
- return NULL;
- }
+ return false;
// minutes
- offset += 10*(*p - _T('0')) + (*(p + 1) - _T('0'));
+ offset += 10*(*p - '0') + (*(p + 1) - '0');
if ( !plus )
- {
offset = -offset;
- }
p += 2;
}
- else
+ else // not numeric
{
// the symbolic timezone given: may be either military timezone or one
// of standard abbreviations
+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 NULL;
- }
+ if ( *p < wxT('A') || *p > wxT('Z') || *p == wxT('J') )
+ return false;
- offset = offsets[*p++ - _T('A')];
+ offset = offsets[*p++ - 'A'];
}
else
{
// abbreviation
- wxString tz = p;
- if ( tz == _T("UT") || tz == _T("UTC") || tz == _T("GMT") )
+ const wxString tz(p, date.end());
+ if ( tz == wxT("UT") || tz == wxT("UTC") || tz == wxT("GMT") )
offset = 0;
- else if ( tz == _T("AST") )
+ else if ( tz == wxT("AST") )
offset = AST - GMT0;
- else if ( tz == _T("ADT") )
+ else if ( tz == wxT("ADT") )
offset = ADT - GMT0;
- else if ( tz == _T("EST") )
+ else if ( tz == wxT("EST") )
offset = EST - GMT0;
- else if ( tz == _T("EDT") )
+ else if ( tz == wxT("EDT") )
offset = EDT - GMT0;
- else if ( tz == _T("CST") )
+ else if ( tz == wxT("CST") )
offset = CST - GMT0;
- else if ( tz == _T("CDT") )
+ else if ( tz == wxT("CDT") )
offset = CDT - GMT0;
- else if ( tz == _T("MST") )
+ else if ( tz == wxT("MST") )
offset = MST - GMT0;
- else if ( tz == _T("MDT") )
+ else if ( tz == wxT("MDT") )
offset = MDT - GMT0;
- else if ( tz == _T("PST") )
+ else if ( tz == wxT("PST") )
offset = PST - GMT0;
- else if ( tz == _T("PDT") )
+ else if ( tz == wxT("PDT") )
offset = PDT - GMT0;
else
- {
- wxLogDebug(_T("Unknown RFC 822 timezone '%s'"), p);
-
- return NULL;
- }
+ return false;
p += tz.length();
}
offset *= MIN_PER_HOUR;
}
+
// the spec was correct, construct the date from the values we found
Set(day, mon, year, hour, min, sec);
MakeFromTimezone(TimeZone::Make(offset*SEC_PER_MIN));
- const size_t endpos = p - date.wx_str();
if ( end )
- *end = date.begin() + endpos;
+ *end = p;
- return date.c_str() + endpos;
+ 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()
+const char* wxDateTime::ParseRfc822Date(const char* date)
{
- 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('%');
- }
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseRfc822Date(dateStr, &end) )
+ return NULL;
- fmtWX += *p;
- }
- }
+ return date + dateStr.IterOffsetInMBStr(end);
+}
- 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
+const wchar_t* wxDateTime::ParseRfc822Date(const wchar_t* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseRfc822Date(dateStr, &end) )
+ return NULL;
- return fmtWX;
+ return date + (end - dateStr.begin());
}
-#endif // __WINDOWS__
-
-const char *
+bool
wxDateTime::ParseFormat(const wxString& date,
const wxString& format,
const wxDateTime& dateDef,
- wxString::const_iterator *end)
+ wxString::const_iterator *endParse)
{
- wxCHECK_MSG( !format.empty(), NULL, "format can't be empty" );
+ wxCHECK_MSG( !format.empty(), false, "format can't be empty" );
+ wxCHECK_MSG( endParse, false, "end iterator pointer must be specified" );
wxString str;
unsigned long num;
bool hourIsIn12hFormat = false, // or in 24h one?
isPM = false; // AM by default
+ bool haveTimeZone = false;
+
// and the value of the items we have (init them to get rid of warnings)
wxDateTime_t msec = 0,
sec = 0,
mday = 0;
wxDateTime::Month mon = Inv_Month;
int year = 0;
+ long timeZone = 0; // time zone in seconds as expected in Tm structure
- const wxStringCharType *input = date.wx_str();
+ 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('%') )
+ if ( *fmt != wxT('%') )
{
if ( wxIsspace(*fmt) )
{
// 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 NULL;
+ return false;
}
}
while ( wxIsdigit(*++fmt) )
{
width *= 10;
- width += *fmt - _T('0');
+ width += *fmt - '0';
}
// the default widths for the various fields
{
switch ( (*fmt).GetValue() )
{
- case _T('Y'): // year has 4 digits
+ case wxT('Y'): // year has 4 digits
width = 4;
break;
- case _T('j'): // day of year has 3 digits
- case _T('l'): // milliseconds have 3 digits
+ case wxT('j'): // day of year has 3 digits
+ case wxT('l'): // milliseconds have 3 digits
width = 3;
break;
- case _T('w'): // week day as number has only one
+ case wxT('w'): // week day as number has only one
width = 1;
break;
// then the format itself
switch ( (*fmt).GetValue() )
{
- case _T('a'): // a weekday name
- case _T('A'):
+ case wxT('a'): // a weekday name
+ case wxT('A'):
{
- int flag = *fmt == _T('a') ? Name_Abbr : Name_Full;
- wday = GetWeekDayFromName(GetAlphaToken(input), flag);
+ wday = GetWeekDayFromName
+ (
+ input, end,
+ *fmt == 'a' ? Name_Abbr : Name_Full,
+ DateLang_Local
+ );
if ( wday == Inv_WeekDay )
{
// no match
- return NULL;
+ return false;
}
}
haveWDay = true;
break;
- case _T('b'): // a month name
- case _T('B'):
+ case wxT('b'): // a month name
+ case wxT('B'):
{
- int flag = *fmt == _T('b') ? Name_Abbr : Name_Full;
- mon = GetMonthFromName(GetAlphaToken(input), flag);
+ mon = GetMonthFromName
+ (
+ input, end,
+ *fmt == 'b' ? Name_Abbr : Name_Full,
+ DateLang_Local
+ );
if ( mon == Inv_Month )
{
// no match
- return NULL;
+ return false;
}
}
haveMon = true;
break;
- case _T('c'): // locale default date and time representation
+ case wxT('c'): // locale default date and time representation
{
wxDateTime dt;
- const wxString inc(input);
+#if wxUSE_INTL
+ const wxString
+ fmtDateTime = wxLocale::GetInfo(wxLOCALE_DATE_TIME_FMT);
+ if ( !fmtDateTime.empty() )
+ dt = ParseFormatAt(input, end, fmtDateTime);
+#endif // wxUSE_INTL
+ 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"));
+ }
- // 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) )
+ if ( !dt.IsValid() )
{
- // we've tried everything and still no match
- return NULL;
+ // and finally also the two generic date/time formats
+ dt = ParseFormatAt(input, end, wxS("%x %X"), wxS("%X %x"));
}
- Tm tm = dt.GetTm();
+ if ( !dt.IsValid() )
+ return false;
- haveDay = haveMon = haveYear =
- haveHour = haveMin = haveSec = true;
+ const Tm tm = dt.GetTm();
hour = tm.hour;
min = tm.min;
mon = tm.mon;
mday = tm.mday;
- input += endc - inc.begin();
+ haveDay = haveMon = haveYear =
+ haveHour = haveMin = haveSec = true;
}
break;
- case _T('d'): // day of a month (01-31)
- if ( !GetNumericToken(width, input, &num) ||
+ case wxT('d'): // day of a month (01-31)
+ case 'e': // day of a month (1-31) (GNU extension)
+ if ( !GetNumericToken(width, input, end, &num) ||
(num > 31) || (num < 1) )
{
// no match
- return NULL;
+ return false;
}
// we can't check whether the day range is correct yet, will
mday = (wxDateTime_t)num;
break;
- case _T('H'): // hour in 24h format (00-23)
- if ( !GetNumericToken(width, input, &num) || (num > 23) )
+ case wxT('H'): // hour in 24h format (00-23)
+ if ( !GetNumericToken(width, input, end, &num) || (num > 23) )
{
// no match
- return NULL;
+ return false;
}
haveHour = true;
hour = (wxDateTime_t)num;
break;
- case _T('I'): // hour in 12h format (01-12)
- if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
+ case wxT('I'): // hour in 12h format (01-12)
+ if ( !GetNumericToken(width, input, end, &num) ||
+ !num || (num > 12) )
{
// no match
- return NULL;
+ return false;
}
haveHour = true;
hour = (wxDateTime_t)(num % 12); // 12 should be 0
break;
- case _T('j'): // day of the year
- if ( !GetNumericToken(width, input, &num) || !num || (num > 366) )
+ case wxT('j'): // day of the year
+ if ( !GetNumericToken(width, input, end, &num) ||
+ !num || (num > 366) )
{
// no match
- return NULL;
+ return false;
}
haveYDay = true;
yday = (wxDateTime_t)num;
break;
- case _T('l'): // milliseconds (0-999)
- if ( !GetNumericToken(width, input, &num) )
- return NULL;
+ case wxT('l'): // milliseconds (0-999)
+ if ( !GetNumericToken(width, input, end, &num) )
+ return false;
haveMsec = true;
msec = (wxDateTime_t)num;
break;
- case _T('m'): // month as a number (01-12)
- if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
+ case wxT('m'): // month as a number (01-12)
+ if ( !GetNumericToken(width, input, end, &num) ||
+ !num || (num > 12) )
{
// no match
- return NULL;
+ return false;
}
haveMon = true;
mon = (Month)(num - 1);
break;
- case _T('M'): // minute as a decimal number (00-59)
- if ( !GetNumericToken(width, input, &num) || (num > 59) )
+ case wxT('M'): // minute as a decimal number (00-59)
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (num > 59) )
{
// no match
- return NULL;
+ return false;
}
haveMin = true;
min = (wxDateTime_t)num;
break;
- case _T('p'): // AM or PM string
+ case wxT('p'): // AM or PM string
{
- wxString am, pm, token = GetAlphaToken(input);
-
+ wxString am, pm;
GetAmPmStrings(&am, &pm);
- if (am.empty() && pm.empty())
- return NULL; // no am/pm strings defined
- if ( token.CmpNoCase(pm) == 0 )
+
+ // we can never match %p in locales which don't use AM/PM
+ if ( am.empty() || pm.empty() )
+ return false;
+
+ const size_t pos = input - date.begin();
+ if ( date.compare(pos, pm.length(), pm) == 0 )
{
isPM = true;
+ input += pm.length();
}
- else if ( token.CmpNoCase(am) != 0 )
+ else if ( date.compare(pos, am.length(), am) == 0 )
{
- // no match
- return NULL;
+ input += am.length();
+ }
+ else // no match
+ {
+ return false;
}
}
break;
- case _T('r'): // time as %I:%M:%S %p
+ case wxT('r'): // time as %I:%M:%S %p
{
wxDateTime dt;
- input = dt.ParseFormat(input, wxS("%I:%M:%S %p"));
- if ( !input )
- {
- // no match
- return NULL;
- }
+ 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;
}
break;
- case _T('R'): // time as %H:%M
+ case wxT('R'): // time as %H:%M
{
- wxDateTime dt;
- input = dt.ParseFormat(input, wxS("%H:%M"));
- if ( !input )
- {
- // no match
- return NULL;
- }
+ const wxDateTime
+ dt = ParseFormatAt(input, end, wxS("%H:%M"));
+ if ( !dt.IsValid() )
+ return false;
- haveHour = haveMin = true;
+ 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) )
+ case wxT('S'): // second as a decimal number (00-61)
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (num > 61) )
{
// no match
- return NULL;
+ return false;
}
haveSec = true;
sec = (wxDateTime_t)num;
break;
- case _T('T'): // time as %H:%M:%S
+ case wxT('T'): // time as %H:%M:%S
{
- wxDateTime dt;
- input = dt.ParseFormat(input, _T("%H:%M:%S"));
- if ( !input )
- {
- // no match
- return NULL;
- }
+ const wxDateTime
+ dt = ParseFormatAt(input, end, wxS("%H:%M:%S"));
+ if ( !dt.IsValid() )
+ return false;
- haveHour = haveMin = haveSec = true;
+ haveHour =
+ 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) )
+ case wxT('w'): // weekday as a number (0-6), Sunday = 0
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (wday > 6) )
{
// no match
- return NULL;
+ return false;
}
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
+ case wxT('x'): // locale default date representation
{
- struct tm tm;
-
- const wxStringCharType *
- result = CallStrptime(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
-
- {
- wxDateTime dt;
- 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 wxUSE_INTL
+ wxString
+ fmtDate = wxLocale::GetInfo(wxLOCALE_SHORT_DATE_FMT),
+ fmtDateAlt = wxLocale::GetInfo(wxLOCALE_LONG_DATE_FMT);
+#else // !wxUSE_INTL
+ wxString fmtDate, fmtDateAlt;
+#endif // wxUSE_INTL/!wxUSE_INTL
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 wxString indate(input);
- wxString::const_iterator endDate;
- if ( !dt.ParseFormat(indate, fmtDate, &endDate) )
+ wxDateTime
+ dt = ParseFormatAt(input, end, fmtDate, fmtDateAlt);
+
+ if ( !dt.IsValid() )
{
- // try another one if we have it
- if ( fmtDateAlt.empty() ||
- !dt.ParseFormat(indate, fmtDateAlt, &endDate) )
- {
- return NULL;
- }
+ // try with short years too
+ fmtDate.Replace("%Y","%y");
+ fmtDateAlt.Replace("%Y","%y");
+ dt = ParseFormatAt(input, end, fmtDate, fmtDateAlt);
+
+ if ( !dt.IsValid() )
+ return false;
}
- Tm tm = dt.GetTm();
+ const Tm tm = dt.GetTm();
haveDay =
haveMon =
year = tm.year;
mon = tm.mon;
mday = tm.mday;
-
- input += endDate - indate.begin();
}
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 = CallStrptime(input, "%X", &tm);
- if ( !input )
- {
- return 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
+ case wxT('X'): // locale default time representation
{
- // 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 wxStringCharType *
- result = dt.ParseFormat(input, wxS("%T"));
- if ( !result )
+#if wxUSE_INTL
+ wxString fmtTime = wxLocale::GetInfo(wxLOCALE_TIME_FMT),
+ fmtTimeAlt;
+#else // !wxUSE_INTL
+ wxString fmtTime, fmtTimeAlt;
+#endif // wxUSE_INTL/!wxUSE_INTL
+ if ( fmtTime.empty() )
{
- result = dt.ParseFormat(input, wxS("%r"));
+ // 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";
}
- if ( !result )
- {
- // no match
- return NULL;
- }
+ const wxDateTime
+ dt = ParseFormatAt(input, end, fmtTime, fmtTimeAlt);
+ if ( !dt.IsValid() )
+ return false;
haveHour =
haveMin =
haveSec = true;
- Tm tm = dt.GetTm();
+ const 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(width, input, &num) || (num > 99) )
+ case wxT('y'): // year without century (00-99)
+ if ( !GetNumericToken(width, input, end, &num) ||
+ (num > 99) )
{
// no match
- return NULL;
+ return false;
}
haveYear = true;
year = (num > 30 ? 1900 : 2000) + (wxDateTime_t)num;
break;
- case _T('Y'): // year with century
- if ( !GetNumericToken(width, input, &num) )
+ case wxT('Y'): // year with century
+ if ( !GetNumericToken(width, input, end, &num) )
{
// no match
- return NULL;
+ return false;
}
haveYear = true;
year = (wxDateTime_t)num;
break;
- case _T('Z'): // timezone name
- wxFAIL_MSG(_T("TODO"));
+ case wxT('z'):
+ {
+ // check that we have something here at all
+ if ( input == end )
+ return false;
+
+ // and then check that it's either plus or minus sign
+ bool minusFound;
+ if ( *input == wxT('-') )
+ minusFound = true;
+ else if ( *input == wxT('+') )
+ minusFound = false;
+ else
+ return false; // no match
+
+ // here should follow 4 digits HHMM
+ ++input;
+ unsigned long tzHourMin;
+ if ( !GetNumericToken(4, input, end, &tzHourMin) )
+ return false; // no match
+
+ const unsigned hours = tzHourMin / 100;
+ const unsigned minutes = tzHourMin % 100;
+
+ if ( hours > 12 || minutes > 59 )
+ return false; // bad format
+
+ timeZone = 3600*hours + 60*minutes;
+ if ( minusFound )
+ timeZone = -timeZone;
+
+ haveTimeZone = true;
+ }
+ break;
+
+ case wxT('Z'): // timezone name
+ // FIXME: currently we just ignore everything that looks like a
+ // time zone here
+ GetAlphaToken(input, end);
break;
- case _T('%'): // a percent sign
- if ( *input++ != _T('%') )
+ case wxT('%'): // a percent sign
+ if ( input == end || *input++ != wxT('%') )
{
// no match
- return NULL;
+ return false;
}
break;
case 0: // the end of string
- wxFAIL_MSG(_T("unexpected format end"));
+ wxFAIL_MSG(wxT("unexpected format end"));
// fall through
default: // not a known format spec
- return NULL;
+ return false;
}
}
// also always ignore the week day
if ( haveDay )
{
- if ( mday > GetNumOfDaysInMonth(tm.year, tm.mon) )
- {
- wxLogDebug(_T("bad month day in wxDateTime::ParseFormat"));
-
- return NULL;
- }
+ if ( mday > GetNumberOfDays(tm.mon, tm.year) )
+ return false;
tm.mday = mday;
}
else if ( haveYDay )
{
if ( yday > GetNumberOfDays(tm.year) )
- {
- wxLogDebug(_T("bad year day in wxDateTime::ParseFormat"));
-
- return NULL;
- }
+ return false;
Tm tm2 = wxDateTime(1, Jan, tm.year).SetToYearDay(yday).GetTm();
Set(tm);
+ // If a time zone was specified and it is not the local time zone, we need
+ // to shift the time accordingly.
+ //
+ // Note that avoiding the call to MakeFromTimeZone is necessary to avoid
+ // DST problems.
+ if ( haveTimeZone && timeZone != -wxGetTimeZone() )
+ MakeFromTimezone(timeZone);
+
// finally check that the week day is consistent -- if we had it
if ( haveWDay && GetWeekDay() != wday )
- {
- wxLogDebug(_T("inconsistsnet week day in wxDateTime::ParseFormat()"));
+ return false;
+
+ *endParse = input;
+ return true;
+}
+
+const char*
+wxDateTime::ParseFormat(const char* date,
+ const wxString& format,
+ const wxDateTime& dateDef)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseFormat(dateStr, format, dateDef, &end) )
return NULL;
- }
- const size_t endpos = input - date.wx_str();
- if ( end )
- *end = date.begin() + endpos;
+ return date + dateStr.IterOffsetInMBStr(end);
+}
- return date.c_str() + endpos;
+const wchar_t*
+wxDateTime::ParseFormat(const wchar_t* date,
+ const wxString& format,
+ const wxDateTime& dateDef)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseFormat(dateStr, format, dateDef, &end) )
+ return NULL;
+
+ return date + (end - dateStr.begin());
}
-const char *
+bool
wxDateTime::ParseDateTime(const wxString& date, wxString::const_iterator *end)
{
- // 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();
+ wxCHECK_MSG( end, false, "end iterator pointer must be specified" );
+
+ wxDateTime
+ dtDate,
+ dtTime;
wxString::const_iterator
endTime,
const wxString timestr(endDate, date.end());
if ( !dtTime.ParseTime(timestr, &endTime) )
- return NULL;
+ return false;
endBoth = endDate + (endTime - timestr.begin());
}
{
// check if we have a time followed by a date
if ( !dtTime.ParseTime(date, &endTime) )
- return NULL;
+ return false;
while ( endTime != date.end() && wxIsspace(*endTime) )
++endTime;
const wxString datestr(endTime, date.end());
if ( !dtDate.ParseDate(datestr, &endDate) )
- return NULL;
+ return false;
endBoth = endTime + (endDate - datestr.begin());
}
dtTime.GetHour(), dtTime.GetMinute(), dtTime.GetSecond(),
dtTime.GetMillisecond());
- // Return endpoint of scan
- if ( end )
- *end = endBoth;
+ *end = endBoth;
+
+ return true;
+}
+
+const char* wxDateTime::ParseDateTime(const char* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseDateTime(dateStr, &end) )
+ return NULL;
+
+ return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseDateTime(const wchar_t* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseDateTime(dateStr, &end) )
+ return NULL;
- return date.c_str() + (endBoth - date.begin());
+ return date + (end - dateStr.begin());
}
-const char *
+bool
wxDateTime::ParseDate(const wxString& date, wxString::const_iterator *end)
{
+ wxCHECK_MSG( end, false, "end iterator pointer must be specified" );
+
// 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)
- const wxStringCharType *p = date.wx_str();
- while ( wxIsspace(*p) )
+ const wxString::const_iterator pBegin = date.begin();
+ const wxString::const_iterator pEnd = date.end();
+
+ wxString::const_iterator p = pBegin;
+ while ( p != pEnd && wxIsspace(*p) )
p++;
// some special cases
{ wxTRANSLATE("tomorrow"), 1 },
};
+ const size_t lenRest = pEnd - p;
for ( size_t n = 0; n < WXSIZEOF(literalDates); n++ )
{
const wxString dateStr = wxGetTranslation(literalDates[n].str);
size_t len = dateStr.length();
- if ( wxStrlen(p) >= len )
- {
- wxString str(p, len);
- if ( str.CmpNoCase(dateStr) == 0 )
- {
- // nothing can follow this, so stop here
- p += len;
- int dayDiffFromToday = literalDates[n].dayDiffFromToday;
- *this = Today();
- if ( dayDiffFromToday )
- {
- *this += wxDateSpan::Days(dayDiffFromToday);
- }
+ if ( len > lenRest )
+ continue;
- const size_t endpos = p - date.wx_str();
+ const wxString::const_iterator pEndStr = p + len;
+ if ( wxString(p, pEndStr).CmpNoCase(dateStr) == 0 )
+ {
+ // nothing can follow this, so stop here
+
+ p = pEndStr;
- if ( end )
- *end = date.begin() + endpos;
- return date.c_str() + endpos;
+ int dayDiffFromToday = literalDates[n].dayDiffFromToday;
+ *this = Today();
+ if ( dayDiffFromToday )
+ {
+ *this += wxDateSpan::Days(dayDiffFromToday);
}
+
+ *end = pEndStr;
+
+ return true;
}
}
haveMon = false, // the month?
haveYear = false; // the year?
+ bool monWasNumeric = false; // was month specified as a number?
+
// and the value of the items we have (init them to get rid of warnings)
WeekDay wday = Inv_WeekDay;
wxDateTime_t day = 0;
int year = 0;
// tokenize the string
- size_t nPosCur = 0;
- static const wxStringCharType *dateDelimiters = wxS(".,/-\t\r\n ");
- wxStringTokenizer tok(p, dateDelimiters);
- while ( tok.HasMoreTokens() )
+ while ( p != pEnd )
{
- wxString token = tok.GetNextToken();
- if ( !token )
+ // skip white space and date delimiters
+ if ( wxStrchr(".,/-\t\r\n ", *p) )
+ {
+ ++p;
continue;
+ }
+
+ // modify copy of the iterator as we're not sure if the next token is
+ // still part of the date at all
+ wxString::const_iterator pCopy = p;
- // is it a number?
+ // we can have either alphabetic or numeric token, start by testing if
+ // it's the latter
unsigned long val;
- if ( token.ToULong(&val) )
+ if ( GetNumericToken(10 /* max length */, pCopy, pEnd, &val) )
{
// guess what this number is
// dates like 2/29/1976 which would be rejected otherwise
wxDateTime_t max_days = (wxDateTime_t)(
haveMon
- ? GetNumOfDaysInMonth(haveYear ? year : 1976, mon)
+ ? GetNumberOfDays(mon, haveYear ? year : 1976)
: 31
);
else if ( isMonth )
{
haveMon = true;
+ monWasNumeric = true;
mon = (Month)(val - 1);
}
else // not a number
{
// be careful not to overwrite the current mon value
- Month mon2 = GetMonthFromName(token, Name_Full | Name_Abbr);
+ Month mon2 = GetMonthFromName
+ (
+ pCopy, pEnd,
+ Name_Full | Name_Abbr,
+ DateLang_Local | DateLang_English
+ );
if ( mon2 != Inv_Month )
{
// it's a month
if ( haveMon )
{
- // but we already have a month - maybe we guessed wrong?
- if ( !haveDay )
- {
- // no need to check in month range as always < 12, but
- // the days are counted from 1 unlike the months
- day = (wxDateTime_t)(mon + 1);
- haveDay = true;
- }
- else
- {
- // could possible be the year (doesn't the year come
- // before the month in the japanese format?) (FIXME)
+ // but we already have a month - maybe we guessed wrong
+ // when we had interpreted that numeric value as a month
+ // and it was the day number instead?
+ if ( haveDay || !monWasNumeric )
break;
- }
+
+ // assume we did and change our mind: reinterpret the month
+ // value as a day (notice that there is no need to check
+ // that it is valid as month values are always < 12, but
+ // the days are counted from 1 unlike the months)
+ day = (wxDateTime_t)(mon + 1);
+ haveDay = true;
}
mon = mon2;
}
else // not a valid month name
{
- WeekDay wday2 = GetWeekDayFromName(token, Name_Full | Name_Abbr);
+ WeekDay wday2 = GetWeekDayFromName
+ (
+ pCopy, pEnd,
+ Name_Full | Name_Abbr,
+ DateLang_Local | DateLang_English
+ );
if ( wday2 != Inv_WeekDay )
{
// a week day
if ( haveWDay )
- {
break;
- }
wday = wday2;
else // not a valid weekday name
{
// try the ordinals
- static const char *ordinals[] =
+ static const char *const ordinals[] =
{
wxTRANSLATE("first"),
wxTRANSLATE("second"),
size_t n;
for ( n = 0; n < WXSIZEOF(ordinals); n++ )
{
- if ( token.CmpNoCase(ordinals[n]) == 0 )
+ const wxString ord = wxGetTranslation(ordinals[n]);
+ const size_t len = ord.length();
+ if ( date.compare(p - pBegin, len, ord) == 0 )
{
+ p += len;
break;
}
}
}
}
- nPosCur = tok.GetPosition();
+ // advance iterator past a successfully parsed token
+ p = pCopy;
}
// 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("ParseDate: no day, no weekday hence no date."));
-
- return NULL;
- }
+ return false;
if ( haveWDay && (haveMon || haveYear || haveDay) &&
!(haveDay && haveMon && haveYear) )
// without adjectives (which we don't support here) the week day only
// makes sense completely separately or with the full date
// specification (what would "Wed 1999" mean?)
- return NULL;
+ return false;
}
if ( !haveWDay && haveYear && !(haveDay && haveMon) )
mon = (wxDateTime::Month)(day - 1);
// we're in the current year then
- if ( (year > 0) && (year <= (int)GetNumOfDaysInMonth(Inv_Year, mon)) )
+ if ( (year > 0) && (year <= (int)GetNumberOfDays(mon, Inv_Year)) )
{
day = (wxDateTime_t)year;
}
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 NULL;
- }
+ return false;
}
if ( !haveMon )
{
// normally we check the day above but the check is optimistic in case
// we find the day before its month/year so we have to redo it now
- if ( day > GetNumOfDaysInMonth(year, mon) )
- return NULL;
+ if ( day > GetNumberOfDays(mon, year) )
+ return false;
Set(day, mon, year);
{
// check that it is really the same
if ( GetWeekDay() != wday )
- {
- // inconsistency detected
- wxLogDebug(_T("ParseDate: inconsistent day/weekday."));
-
- return NULL;
- }
+ return false;
}
}
else // haveWDay
SetToWeekDayInSameWeek(wday);
}
- // 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--;
- }
+ *end = p;
- const size_t endpos = p - date.wx_str();
- if ( end )
- *end = date.begin() + endpos;
+ return true;
+}
+
+const char* wxDateTime::ParseDate(const char* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseDate(dateStr, &end) )
+ return NULL;
+
+ return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseDate(const wchar_t* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseDate(dateStr, &end) )
+ return NULL;
- return date.c_str() + endpos;
+ return date + (end - dateStr.begin());
}
-const char *
+bool
wxDateTime::ParseTime(const wxString& time, wxString::const_iterator *end)
{
+ wxCHECK_MSG( end, false, "end iterator pointer must be specified" );
+
// first try some extra things
static const struct
{
const char *name;
- wxDateTime_t hour;
+ wxDateTime_t hour;
} stdTimes[] =
{
{ wxTRANSLATE("noon"), 12 },
for ( size_t n = 0; n < WXSIZEOF(stdTimes); n++ )
{
- wxString timeString = wxGetTranslation(stdTimes[n].name);
- size_t len = timeString.length();
- if ( timeString.CmpNoCase(wxString(time, len)) == 0 )
+ const wxString timeString = wxGetTranslation(stdTimes[n].name);
+ if ( timeString.CmpNoCase(wxString(time, timeString.length())) == 0 )
{
// casts required by DigitalMars
Set(stdTimes[n].hour, wxDateTime_t(0), wxDateTime_t(0));
if ( end )
- *end = time.begin() + len;
+ *end = time.begin() + timeString.length();
- return time.c_str() + len;
+ return true;
}
}
// try all time formats we may think about in the order from longest to
// shortest
- static const char *timeFormats[] =
+ static const char *const timeFormats[] =
{
"%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
+ "%H:%M", // and a possibly 24 hour version without seconds
+ "%I %p", // just hour with AM/AM
+ "%H", // just hour in 24 hour version
"%X", // possibly something from above or maybe something
// completely different -- try it last
for ( size_t nFmt = 0; nFmt < WXSIZEOF(timeFormats); nFmt++ )
{
- const char *result = ParseFormat(time, timeFormats[nFmt], end);
- if ( result )
- return result;
+ if ( ParseFormat(time, timeFormats[nFmt], end) )
+ return true;
}
- return NULL;
+ return false;
+}
+
+const char* wxDateTime::ParseTime(const char* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseTime(dateStr, &end) )
+ return NULL;
+
+ return date + dateStr.IterOffsetInMBStr(end);
+}
+
+const wchar_t* wxDateTime::ParseTime(const wchar_t* date)
+{
+ wxString::const_iterator end;
+ wxString dateStr(date);
+ if ( !ParseTime(dateStr, &end) )
+ return NULL;
+
+ return date + (end - dateStr.begin());
}
// ----------------------------------------------------------------------------
}
wxCHECK_MSG( !format.empty(), wxEmptyString,
- _T("NULL format in wxTimeSpan::Format") );
+ wxT("NULL format in wxTimeSpan::Format") );
wxString str;
str.Alloc(format.length());
{
wxChar ch = *pch;
- if ( ch == _T('%') )
+ if ( ch == wxT('%') )
{
// the start of the format specification of the printf() below
- wxString fmtPrefix(_T('%'));
+ wxString fmtPrefix(wxT('%'));
// the number
long n;
switch ( ch )
{
default:
- wxFAIL_MSG( _T("invalid format character") );
+ wxFAIL_MSG( wxT("invalid format character") );
// fall through
- case _T('%'):
+ case wxT('%'):
str += ch;
// skip the part below switch
continue;
- case _T('D'):
+ case wxT('D'):
n = GetDays();
if ( partBiggest < Part_Day )
{
}
break;
- case _T('E'):
+ case wxT('E'):
partBiggest = Part_Week;
n = GetWeeks();
break;
- case _T('H'):
+ case wxT('H'):
n = GetHours();
if ( partBiggest < Part_Hour )
{
digits = 2;
break;
- case _T('l'):
+ case wxT('l'):
n = GetMilliseconds().ToLong();
if ( partBiggest < Part_MSec )
{
digits = 3;
break;
- case _T('M'):
+ case wxT('M'):
n = GetMinutes();
if ( partBiggest < Part_Min )
{
digits = 2;
break;
- case _T('S'):
+ case wxT('S'):
n = GetSeconds().ToLong();
if ( partBiggest < Part_Sec )
{
if ( digits )
{
- fmtPrefix << _T("0") << digits;
+ fmtPrefix << wxT("0") << digits;
}
- str += wxString::Format(fmtPrefix + _T("ld"), n);
+ str += wxString::Format(fmtPrefix + wxT("ld"), n);
}
else
{
projects / wxWidgets.git / blobdiff