fixed wxXmlResource::Load's detection of filenames to be done as early as possible

[wxWidgets.git] / src / common / datetime.cpp

diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp
index 315a4e1dc525b437714b3853f0b7a0ca92a30e3a..1547b4a14e14bc0c957be8820626b8e0a9f14531 100644 (file)
--- a/src/common/datetime.cpp
+++ b/src/common/datetime.cpp
@@ -70,6 +70,7 @@
     #include "wx/intl.h"
     #include "wx/stopwatch.h"           // for wxGetLocalTimeMillis()
     #include "wx/module.h"
     #include "wx/intl.h"
     #include "wx/stopwatch.h"           // for wxGetLocalTimeMillis()
     #include "wx/module.h"

+    #include "wx/crt.h"

 #endif // WX_PRECOMP
 
 #include "wx/thread.h"
 #endif // WX_PRECOMP
 
 #include "wx/thread.h"


@@ -92,17 +93,17 @@ const long wxDateTime::TIME_T_FACTOR = 1000l;
 
 template<> void wxStringReadValue(const wxString &s , wxDateTime &data )
 {
 
 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 )
 {
 }
 
 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<wxDateTime> , wxFromStringConverter<wxDateTime>)
 
 }
 
 wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter<wxDateTime> , wxFromStringConverter<wxDateTime>)
 

-#endif
+#endif // wxUSE_EXTENDED_RTTI

 
 //
 // ----------------------------------------------------------------------------
 
 //
 // ----------------------------------------------------------------------------


@@ -137,13 +138,6 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter<wxDateTime> , wxFromStringCon
     #include <wtime.h>
 #endif
 
     #include <wtime.h>
 #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
 #if !defined(WX_TIMEZONE) && !defined(WX_GMTOFF_IN_TM)
     #if defined(__WXPALMOS__)
         #define WX_GMTOFF_IN_TM


@@ -170,7 +164,39 @@ wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter<wxDateTime> , wxFromStringCon
     #elif defined(__DARWIN__)
         #define WX_GMTOFF_IN_TM
     #elif defined(__WXWINCE__) && defined(__VISUALC8__)
     #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
         #define WX_TIMEZONE _timezone

+        #endif

     #else // unknown platform - try timezone
         #define WX_TIMEZONE timezone
     #endif
     #else // unknown platform - try timezone
         #define WX_TIMEZONE timezone
     #endif


@@ -210,7 +236,18 @@ struct tm *wxLocaltime_r(const time_t* ticks, struct tm* temp)
   // thread local storage for localtime anyway.
   wxMutexLocker locker(timeLock);
 #endif
   // thread local storage for localtime anyway.
   wxMutexLocker locker(timeLock);
 #endif

-  memcpy(temp, localtime(ticks), sizeof(struct tm));
+
+  // Borland CRT crashes when passed 0 ticks for some reason, see SF bug 1704438
+#ifdef __BORLANDC__
+  if ( !*ticks )
+      return NULL;
+#endif
+
+  const tm * const t = localtime(ticks);
+  if ( !t )
+      return NULL;
+
+  memcpy(temp, t, sizeof(struct tm));

   return temp;
 }
 #endif // !HAVE_LOCALTIME_R
   return temp;
 }
 #endif // !HAVE_LOCALTIME_R


@@ -223,6 +260,16 @@ struct tm *wxGmtime_r(const time_t* ticks, struct tm* temp)
   // using thread local storage for gmtime anyway.
   wxMutexLocker locker(timeLock);
 #endif
   // using thread local storage for gmtime anyway.
   wxMutexLocker locker(timeLock);
 #endif

+
+#ifdef __BORLANDC__
+  if ( !*ticks )
+      return NULL;
+#endif
+
+  const tm * const t = gmtime(ticks);
+  if ( !t )
+      return NULL;
+

   memcpy(temp, gmtime(ticks), sizeof(struct tm));
   return temp;
 }
   memcpy(temp, gmtime(ticks), sizeof(struct tm));
   return temp;
 }


@@ -314,8 +361,8 @@ static const wxDateTime::wxDateTime_t gs_cumulatedDays[2][MONTHS_IN_YEAR] =
 // global data
 // ----------------------------------------------------------------------------
 
 // 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
 
 // in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to
 // indicate an invalid wxDateTime object


@@ -329,11 +376,14 @@ wxDateTime::Country wxDateTime::ms_country = wxDateTime::Country_Unknown;
 
 // debugger helper: shows what the date really is
 #ifdef __WXDEBUG__
 
 // debugger helper: shows what the date really is
 #ifdef __WXDEBUG__

-extern const wxChar *wxDumpDate(const wxDateTime* dt)
+extern const char *wxDumpDate(const wxDateTime* dt)

 {
 {

-    static wxChar buf[128];
+    static char buf[128];

 
 

-    wxStrcpy(buf, dt->Format(_T("%Y-%m-%d (%a) %H:%M:%S")));
+    wxString fmt(dt->Format("%Y-%m-%d (%a) %H:%M:%S"));
+    wxStrlcpy(buf,
+              (fmt + " (" + dt->GetValue().ToString() + " ticks)").ToAscii(),
+              WXSIZEOF(buf));

 
     return buf;
 }
 
     return buf;
 }


@@ -429,7 +479,7 @@ static long GetTruncatedJDN(wxDateTime::wxDateTime_t day,
 #ifdef HAVE_STRFTIME
 
 // this function is a wrapper around strftime(3) adding error checking
 #ifdef HAVE_STRFTIME
 
 // this function is a wrapper around strftime(3) adding error checking

-static wxString CallStrftime(const wxChar *format, const tm* tm)
+static wxString CallStrftime(const wxString& format, const tm* tm)

 {
     wxChar buf[4096];
     // Create temp wxString here to work around mingw/cygwin bug 1046059
 {
     wxChar buf[4096];
     // Create temp wxString here to work around mingw/cygwin bug 1046059


@@ -438,8 +488,10 @@ static wxString CallStrftime(const wxChar *format, const tm* tm)
 
     if ( !wxStrftime(buf, WXSIZEOF(buf), format, tm) )
     {
 
     if ( !wxStrftime(buf, WXSIZEOF(buf), format, tm) )
     {

-        // buffer is too small?
+        // if the format is valid, buffer must be too small?

         wxFAIL_MSG(_T("strftime() failed"));
         wxFAIL_MSG(_T("strftime() failed"));

+
+        buf[0] = '\0';

     }
 
     s = buf;
     }
 
     s = buf;


@@ -457,13 +509,13 @@ static wxString CallStrftime(const wxChar *format, const tm* tm)
 #endif
 
 // Unicode-friendly strptime() wrapper
 #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
 {
     // 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;
     wxCharBuffer inputMB(wxConvertWX2MB(input));
 #else // ASCII
     const char * const inputMB = input;


@@ -473,7 +525,7 @@ CallStrptime(const wxChar *input, const char *fmt, tm *tm)
     if ( !result )
         return NULL;
 
     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
     // FIXME: this is wrong in presence of surrogates &c
     return input + (result - inputMB.data());
 #else // ASCII


@@ -589,7 +641,9 @@ struct tm *wxDateTime::GetTmNow(struct tm *tmstruct)
 }
 
 // scans all digits (but no more than len) and returns the resulting number
 }
 
 // scans all digits (but no more than len) and returns the resulting number

-static bool GetNumericToken(size_t len, const wxChar*& p, unsigned long *number)
+static bool GetNumericToken(size_t len,
+                            const wxStringCharType*& p,
+                            unsigned long *number)

 {
     size_t n = 1;
     wxString s;
 {
     size_t n = 1;
     wxString s;


@@ -605,7 +659,7 @@ static bool GetNumericToken(size_t len, const wxChar*& p, unsigned long *number)
 }
 
 // scans all alphabetic characters and returns the resulting string
 }
 
 // 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) )
 {
     wxString s;
     while ( wxIsalpha(*p) )


@@ -660,7 +714,7 @@ void wxDateTime::Tm::ComputeWeekDay()
     // compute the week day from day/month/year: we use the dumbest algorithm
     // possible: just compute our JDN and then use the (simple to derive)
     // formula: weekday = (JDN + 1.5) % 7
     // compute the week day from day/month/year: we use the dumbest algorithm
     // possible: just compute our JDN and then use the (simple to derive)
     // formula: weekday = (JDN + 1.5) % 7

-    wday = (wxDateTime::wxDateTime_t)((wxDateTime::WeekDay)(GetTruncatedJDN(mday, mon, year) + 2) % 7);
+    wday = (wxDateTime::wxDateTime_t)((GetTruncatedJDN(mday, mon, year) + 2) % 7);

 }
 
 void wxDateTime::Tm::AddMonths(int monDiff)
 }
 
 void wxDateTime::Tm::AddMonths(int monDiff)


@@ -1177,9 +1231,6 @@ wxDateTime wxDateTime::GetBeginDST(int year, Country country)
         }
 
         dt += wxTimeSpan::Hours(1);
         }
 
         dt += wxTimeSpan::Hours(1);

-
-        // disable DST tests because it could result in an infinite recursion!
-        dt.MakeGMT(true);

     }
     else switch ( country )
     {
     }
     else switch ( country )
     {


@@ -1222,6 +1273,17 @@ wxDateTime wxDateTime::GetBeginDST(int year, Country country)
                             wxFAIL_MSG( _T("no first Sunday in April?") );
                         }
                     }
                             wxFAIL_MSG( _T("no first Sunday in April?") );
                         }
                     }

+                    else if ( year > 2006 )
+                    // Energy Policy Act of 2005, Pub. L. no. 109-58, 119 Stat 594 (2005).
+                    // Starting in 2007, daylight time begins in the United States on the
+                    // second Sunday in March and ends on the first Sunday in November
+                    {
+                        if ( !dt.SetToWeekDay(Sun, 2, Mar, year) )
+                        {
+                            // weird...
+                            wxFAIL_MSG( _T("no second Sunday in March?") );
+                        }
+                    }

                     else
                     {
                         if ( !dt.SetToWeekDay(Sun, 1, Apr, year) )
                     else
                     {
                         if ( !dt.SetToWeekDay(Sun, 1, Apr, year) )


@@ -1278,9 +1340,6 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country)
         }
 
         dt += wxTimeSpan::Hours(1);
         }
 
         dt += wxTimeSpan::Hours(1);

-
-        // disable DST tests because it could result in an infinite recursion!
-        dt.MakeGMT(true);

     }
     else switch ( country )
     {
     }
     else switch ( country )
     {


@@ -1301,21 +1360,36 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country)
                     dt.Set(30, Sep, year);
                     break;
 
                     dt.Set(30, Sep, year);
                     break;
 

-                default:
-                    // DST ends at 2 a.m. on the last Sunday of October
-                    if ( !dt.SetToLastWeekDay(Sun, Oct, year) )
+                default: // default for switch (year)
+                    if ( year > 2006 )
+                      // Energy Policy Act of 2005, Pub. L. no. 109-58, 119 Stat 594 (2005).
+                      // Starting in 2007, daylight time begins in the United States on the
+                      // second Sunday in March and ends on the first Sunday in November

                     {
                     {

-                        // weirder and weirder...
-                        wxFAIL_MSG( _T("no last Sunday in October?") );
+                        if ( !dt.SetToWeekDay(Sun, 1, Nov, year) )
+                        {
+                            // weird...
+                            wxFAIL_MSG( _T("no first Sunday in November?") );
+                        }
+                    }
+                    else
+                     // pre-2007
+                     // DST ends at 2 a.m. on the last Sunday of October
+                    {
+                        if ( !dt.SetToLastWeekDay(Sun, Oct, year) )
+                        {
+                            // weirder and weirder...
+                            wxFAIL_MSG( _T("no last Sunday in October?") );
+                        }

                     }
 
                     dt += wxTimeSpan::Hours(2);
 
                     }
 
                     dt += wxTimeSpan::Hours(2);
 

-                    // TODO what about timezone??
+            // TODO: what about timezone??

             }
             break;
 
             }
             break;
 

-        default:
+        default: // default for switch (country)

             // assume October 26th as the end of the DST - totally bogus too
             dt.Set(26, Oct, year);
     }
             // assume October 26th as the end of the DST - totally bogus too
             dt.Set(26, Oct, year);
     }


@@ -1496,6 +1570,16 @@ wxDateTime& wxDateTime::ResetTime()
     return *this;
 }
 
     return *this;
 }
 

+wxDateTime wxDateTime::GetDateOnly() const
+{
+    Tm tm = GetTm();
+    tm.msec =
+    tm.sec =
+    tm.min =
+    tm.hour = 0;
+    return wxDateTime(tm);
+}
+

 // ----------------------------------------------------------------------------
 // DOS Date and Time Format functions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // DOS Date and Time Format functions
 // ----------------------------------------------------------------------------


@@ -1549,6 +1633,7 @@ unsigned long wxDateTime::GetAsDOS() const
     time_t ticks = GetTicks();
     struct tm tmstruct;
     struct tm *tm = wxLocaltime_r(&ticks, &tmstruct);
     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;
 
     long year = tm->tm_year;
     year -= 80;


@@ -2247,15 +2332,16 @@ wxDateTime& wxDateTime::MakeFromTimezone(const TimeZone& tz, bool noDST)
 // wxDateTime to/from text representations
 // ----------------------------------------------------------------------------
 
 // wxDateTime to/from text representations
 // ----------------------------------------------------------------------------
 

-wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
+wxString wxDateTime::Format(const wxString& format, const TimeZone& tz) const

 {
 {

-    wxCHECK_MSG( format, wxEmptyString, _T("NULL format in wxDateTime::Format") );
-
-    time_t time = GetTicks();
+    wxCHECK_MSG( !format.empty(), wxEmptyString,
+                 _T("NULL format in wxDateTime::Format") );

 
     // we have to use our own implementation if the date is out of range of
     // strftime() or if we use non standard specificators
 #ifdef HAVE_STRFTIME
 
     // 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

+    time_t time = GetTicks();
+

     if ( (time != (time_t)-1) && !wxStrstr(format, _T("%l")) )
     {
         // use strftime()
     if ( (time != (time_t)-1) && !wxStrstr(format, _T("%l")) )
     {
         // use strftime()


@@ -2317,7 +2403,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
     tmTimeOnly.tm_isdst = 0;        // no DST, we adjust for tz ourselves
 
     wxString tmp, res, fmt;
     tmTimeOnly.tm_isdst = 0;        // no DST, we adjust for tz ourselves
 
     wxString tmp, res, fmt;

-    for ( const wxChar *p = format; *p; p++ )
+    for ( wxString::const_iterator p = format.begin(); p != format.end(); ++p )

     {
         if ( *p != _T('%') )
         {
     {
         if ( *p != _T('%') )
         {


@@ -2328,7 +2414,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
         }
 
         // set the default format
         }
 
         // set the default format

-        switch ( *++p )
+        switch ( (*++p).GetValue() )

         {
             case _T('Y'):               // year has 4 digits
                 fmt = _T("%04d");
         {
             case _T('Y'):               // year has 4 digits
                 fmt = _T("%04d");


@@ -2357,7 +2443,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
             restart = false;
 
             // start of the format specification
             restart = false;
 
             // start of the format specification

-            switch ( *p )
+            switch ( (*p).GetValue() )

             {
                 case _T('a'):       // a weekday name
                 case _T('A'):
             {
                 case _T('a'):       // a weekday name
                 case _T('A'):


@@ -2396,7 +2482,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
                     // will change if one of these years is leap and the other one
                     // is not!
                     {
                     // 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
                         // 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


@@ -2438,41 +2524,15 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
                             nLostWeekDays += year++ % 4 ? 1 : 2;
                         }
 
                             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") );
+                        // 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;

 
 

-                        wxString strYear, strYear2;
-                        strYear.Printf(_T("%d"), year);
-                        strYear2.Printf(_T("%d"), year % 100);
+                        wxASSERT_MSG( year >= 1970 && year < 2000,
+                                      _T("logic error in wxDateTime::Format") );

 
 

-                        // 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;
-                            }
-
-                            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
 
                         // use strftime() to format the same date but in supported
                         // year


@@ -2496,25 +2556,23 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
                                                                   : _T("%x"),
                                                     &tmAdjusted);
 
                                                                   : _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;
                     }
 
                         res += str;
                     }


@@ -2657,12 +2715,12 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
 // RFC822 time specs.
 //
 // TODO a great candidate for using reg exps
 // 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
     if ( comma )
     {
         // the part before comma is the weekday


@@ -2675,7 +2733,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
         {
             wxLogDebug(_T("no space after weekday in RFC822 time spec"));
 
         {
             wxLogDebug(_T("no space after weekday in RFC822 time spec"));
 

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         p++; // skip space
         }
 
         p++; // skip space


@@ -2686,7 +2744,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
     {
         wxLogDebug(_T("day number expected in RFC822 time spec, none found"));
 
     {
         wxLogDebug(_T("day number expected in RFC822 time spec, none found"));
 

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     wxDateTime_t day = (wxDateTime_t)(*p++ - _T('0'));
     }
 
     wxDateTime_t day = (wxDateTime_t)(*p++ - _T('0'));


@@ -2698,7 +2756,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
     if ( *p++ != _T(' ') )
     {
 
     if ( *p++ != _T(' ') )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     // the following 3 letters specify the month
     }
 
     // the following 3 letters specify the month


@@ -2732,21 +2790,21 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
     {
         wxLogDebug(_T("Invalid RFC 822 month name '%s'"), monName.c_str());
 
     {
         wxLogDebug(_T("Invalid RFC 822 month name '%s'"), monName.c_str());
 

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     p += 3;
 
     if ( *p++ != _T(' ') )
     {
     }
 
     p += 3;
 
     if ( *p++ != _T(' ') )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     // next is the year
     if ( !wxIsdigit(*p) )
     {
         // no year?
     }
 
     // next is the year
     if ( !wxIsdigit(*p) )
     {
         // no year?

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     int year = *p++ - _T('0');
     }
 
     int year = *p++ - _T('0');


@@ -2754,7 +2812,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
     if ( !wxIsdigit(*p) )
     {
         // should have at least 2 digits in the year
     if ( !wxIsdigit(*p) )
     {
         // should have at least 2 digits in the year

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     year *= 10;
     }
 
     year *= 10;


@@ -2769,7 +2827,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
         if ( !wxIsdigit(*p) )
         {
             // no 3 digit years please
         if ( !wxIsdigit(*p) )
         {
             // no 3 digit years please

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         year *= 10;
         }
 
         year *= 10;


@@ -2778,20 +2836,20 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
     if ( *p++ != _T(' ') )
     {
 
     if ( *p++ != _T(' ') )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     // time is in the format hh:mm:ss and seconds are optional
     if ( !wxIsdigit(*p) )
     {
     }
 
     // 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) )
     {
     }
 
     wxDateTime_t hour = (wxDateTime_t)(*p++ - _T('0'));
 
     if ( !wxIsdigit(*p) )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     hour *= 10;
     }
 
     hour *= 10;


@@ -2799,37 +2857,38 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
     if ( *p++ != _T(':') )
     {
 
     if ( *p++ != _T(':') )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     if ( !wxIsdigit(*p) )
     {
     }
 
     if ( !wxIsdigit(*p) )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     wxDateTime_t min = (wxDateTime_t)(*p++ - _T('0'));
 
     if ( !wxIsdigit(*p) )
     {
     }
 
     wxDateTime_t min = (wxDateTime_t)(*p++ - _T('0'));
 
     if ( !wxIsdigit(*p) )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     min *= 10;
     min = (wxDateTime_t)(min + *p++ - _T('0'));
 
     wxDateTime_t sec = 0;
     }
 
     min *= 10;
     min = (wxDateTime_t)(min + *p++ - _T('0'));
 
     wxDateTime_t sec = 0;

-    if ( *p++ == _T(':') )
+    if ( *p == _T(':') )

     {
     {

+        p++;

         if ( !wxIsdigit(*p) )
         {
         if ( !wxIsdigit(*p) )
         {

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         sec = (wxDateTime_t)(*p++ - _T('0'));
 
         if ( !wxIsdigit(*p) )
         {
         }
 
         sec = (wxDateTime_t)(*p++ - _T('0'));
 
         if ( !wxIsdigit(*p) )
         {

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         sec *= 10;
         }
 
         sec *= 10;


@@ -2838,7 +2897,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
     if ( *p++ != _T(' ') )
     {
 
     if ( *p++ != _T(' ') )
     {

-        return (wxChar *)NULL;
+        return NULL;

     }
 
     // and now the interesting part: the timezone
     }
 
     // and now the interesting part: the timezone


@@ -2850,7 +2909,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
         if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
         {
 
         if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
         {

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         // hours
         }
 
         // hours


@@ -2860,7 +2919,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
         if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
         {
 
         if ( !wxIsdigit(*p) || !wxIsdigit(*(p + 1)) )
         {

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         // minutes
         }
 
         // minutes


@@ -2892,7 +2951,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
             {
                 wxLogDebug(_T("Invalid militaty timezone '%c'"), *p);
 
             {
                 wxLogDebug(_T("Invalid militaty timezone '%c'"), *p);
 

-                return (wxChar *)NULL;
+                return NULL;

             }
 
             offset = offsets[*p++ - _T('A')];
             }
 
             offset = offsets[*p++ - _T('A')];


@@ -2927,7 +2986,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
             {
                 wxLogDebug(_T("Unknown RFC 822 timezone '%s'"), p);
 
             {
                 wxLogDebug(_T("Unknown RFC 822 timezone '%s'"), p);
 

-                return (wxChar *)NULL;
+                return NULL;

             }
 
             p += tz.length();
             }
 
             p += tz.length();


@@ -2939,9 +2998,13 @@ 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);
 
     // 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));

 
 

-    return p;
+    const size_t endpos = p - date.wx_str();
+    if ( end )
+        *end = date.begin() + endpos;
+
+    return date.c_str() + endpos;

 }
 
 #ifdef __WINDOWS__
 }
 
 #ifdef __WINDOWS__


@@ -3104,12 +3167,13 @@ static wxString GetLocaleDateFormat()
 
 #endif // __WINDOWS__
 
 
 #endif // __WINDOWS__
 

-const wxChar *wxDateTime::ParseFormat(const wxChar *date,
-                                      const wxChar *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, (wxChar *)NULL,
-                 _T("NULL pointer in wxDateTime::ParseFormat()") );
+    wxCHECK_MSG( !format.empty(), NULL, "format can't be empty" );

 
     wxString str;
     unsigned long num;
 
     wxString str;
     unsigned long num;


@@ -3137,8 +3201,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
     wxDateTime::Month mon = Inv_Month;
     int year = 0;
 
     wxDateTime::Month mon = Inv_Month;
     int year = 0;
 

-    const wxChar *input = date;
-    for ( const wxChar *fmt = format; *fmt; fmt++ )
+    const wxStringCharType *input = date.wx_str();
+    for ( wxString::const_iterator fmt = format.begin(); fmt != format.end(); ++fmt )

     {
         if ( *fmt != _T('%') )
         {
     {
         if ( *fmt != _T('%') )
         {


@@ -3158,7 +3222,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( *input++ != *fmt )
                 {
                     // no match
                 if ( *input++ != *fmt )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
             }
 
                 }
             }
 


@@ -3179,7 +3243,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         // the default widths for the various fields
         if ( !width )
         {
         // the default widths for the various fields
         if ( !width )
         {

-            switch ( *fmt )
+            switch ( (*fmt).GetValue() )

             {
                 case _T('Y'):               // year has 4 digits
                     width = 4;
             {
                 case _T('Y'):               // year has 4 digits
                     width = 4;


@@ -3201,7 +3265,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         }
 
         // then the format itself
         }
 
         // then the format itself

-        switch ( *fmt )
+        switch ( (*fmt).GetValue() )

         {
             case _T('a'):       // a weekday name
             case _T('A'):
         {
             case _T('a'):       // a weekday name
             case _T('A'):


@@ -3211,7 +3275,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     if ( wday == Inv_WeekDay )
                     {
                         // no match
                     if ( wday == Inv_WeekDay )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
                 }
                 haveWDay = true;
                     }
                 }
                 haveWDay = true;


@@ -3225,7 +3289,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     if ( mon == Inv_Month )
                     {
                         // no match
                     if ( mon == Inv_Month )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
                 }
                 haveMon = true;
                     }
                 }
                 haveMon = true;


@@ -3235,25 +3299,16 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 {
                     wxDateTime dt;
 
                 {
                     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 wxChar *result = dt.ParseFormat(input, fmtCtime);
-                    if ( !result )
-                    {
-                        result = dt.ParseFormat(input, _T("%x %X"));
-                    }
-
-                    if ( !result )
-                    {
-                        result = dt.ParseFormat(input, _T("%X %x"));
-                    }
+                    const wxString inc(input);

 
 

-                    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
                     {
                         // we've tried everything and still no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
 
                     Tm tm = dt.GetTm();
                     }
 
                     Tm tm = dt.GetTm();


@@ -3269,7 +3324,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     mon = tm.mon;
                     mday = tm.mday;
 
                     mon = tm.mon;
                     mday = tm.mday;
 

-                    input = result;
+                    input += endc - inc.begin();

                 }
                 break;
 
                 }
                 break;
 


@@ -3278,7 +3333,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                         (num > 31) || (num < 1) )
                 {
                     // no match
                         (num > 31) || (num < 1) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 // we can't check whether the day range is correct yet, will
                 }
 
                 // we can't check whether the day range is correct yet, will


@@ -3291,7 +3346,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || (num > 23) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || (num > 23) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveHour = true;
                 }
 
                 haveHour = true;


@@ -3302,7 +3357,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveHour = true;
                 }
 
                 haveHour = true;


@@ -3314,7 +3369,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || !num || (num > 366) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || !num || (num > 366) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveYDay = true;
                 }
 
                 haveYDay = true;


@@ -3325,7 +3380,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveMon = true;
                 }
 
                 haveMon = true;


@@ -3336,7 +3391,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || (num > 59) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || (num > 59) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveMin = true;
                 }
 
                 haveMin = true;


@@ -3349,7 +3404,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
                     GetAmPmStrings(&am, &pm);
                     if (am.empty() && pm.empty())
 
                     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;
                     if ( token.CmpNoCase(pm) == 0 )
                     {
                         isPM = true;


@@ -3357,7 +3412,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     else if ( token.CmpNoCase(am) != 0 )
                     {
                         // no match
                     else if ( token.CmpNoCase(am) != 0 )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
                 }
                 break;
                     }
                 }
                 break;


@@ -3365,11 +3420,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
             case _T('r'):       // time as %I:%M:%S %p
                 {
                     wxDateTime dt;
             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
                     if ( !input )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
 
                     haveHour = haveMin = haveSec = true;
                     }
 
                     haveHour = haveMin = haveSec = true;


@@ -3384,11 +3439,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
             case _T('R'):       // time as %H:%M
                 {
                     wxDateTime dt;
             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
                     if ( !input )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
 
                     haveHour = haveMin = true;
                     }
 
                     haveHour = haveMin = true;


@@ -3403,7 +3458,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || (num > 61) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || (num > 61) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveSec = true;
                 }
 
                 haveSec = true;


@@ -3417,7 +3472,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     if ( !input )
                     {
                         // no match
                     if ( !input )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
 
                     haveHour = haveMin = haveSec = true;
                     }
 
                     haveHour = haveMin = haveSec = true;


@@ -3433,7 +3488,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || (wday > 6) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || (wday > 6) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveWDay = true;
                 }
 
                 haveWDay = true;


@@ -3448,7 +3503,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 {
                     struct tm tm;
 
                 {
                     struct tm tm;
 

-                    const wxChar *result = CallStrptime(input, "%x", &tm);
+                    const wxStringCharType *
+                        result = CallStrptime(input, "%x", &tm);

                     if ( result )
                     {
                         input = result;
                     if ( result )
                     {
                         input = result;


@@ -3474,7 +3530,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     // Windows for the right way of formatting the date:
                     fmtDate = GetLocaleDateFormat();
                     if ( fmtDate.empty() )
                     // Windows for the right way of formatting the date:
                     fmtDate = GetLocaleDateFormat();
                     if ( fmtDate.empty() )

-#endif
+#endif // __WINDOWS__

                     {
                         if ( IsWestEuropeanCountry(GetCountry()) ||
                              GetCountry() == Russia )
                     {
                         if ( IsWestEuropeanCountry(GetCountry()) ||
                              GetCountry() == Russia )


@@ -3489,29 +3545,29 @@ 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();
 
                     }
 
                     Tm tm = dt.GetTm();
 

-                    haveDay = haveMon = haveYear = true;
+                    haveDay =
+                    haveMon =
+                    haveYear = true;

 
                     year = tm.year;
                     mon = tm.mon;
                     mday = tm.mday;
 
 
                     year = tm.year;
                     mon = tm.mon;
                     mday = tm.mday;
 

-                    input = result;
+                    input += endDate - indate.begin();

                 }
 
                 break;
                 }
 
                 break;


@@ -3524,7 +3580,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     input = CallStrptime(input, "%X", &tm);
                     if ( !input )
                     {
                     input = CallStrptime(input, "%X", &tm);
                     if ( !input )
                     {

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
 
                     haveHour = haveMin = haveSec = true;
                     }
 
                     haveHour = haveMin = haveSec = true;


@@ -3543,19 +3599,22 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     // common cases
                     wxDateTime dt;
 
                     // common cases
                     wxDateTime dt;
 

-                    const wxChar *result = dt.ParseFormat(input, _T("%T"));
+                    const wxStringCharType *
+                        result = dt.ParseFormat(input, wxS("%T"));

                     if ( !result )
                     {
                     if ( !result )
                     {

-                        result = dt.ParseFormat(input, _T("%r"));
+                        result = dt.ParseFormat(input, wxS("%r"));

                     }
 
                     if ( !result )
                     {
                         // no match
                     }
 
                     if ( !result )
                     {
                         // no match

-                        return (wxChar *)NULL;
+                        return NULL;

                     }
 
                     }
 

-                    haveHour = haveMin = haveSec = true;
+                    haveHour =
+                    haveMin =
+                    haveSec = true;

 
                     Tm tm = dt.GetTm();
                     hour = tm.hour;
 
                     Tm tm = dt.GetTm();
                     hour = tm.hour;


@@ -3571,7 +3630,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) || (num > 99) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) || (num > 99) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveYear = true;
                 }
 
                 haveYear = true;


@@ -3585,7 +3644,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( !GetNumericToken(width, input, &num) )
                 {
                     // no match
                 if ( !GetNumericToken(width, input, &num) )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
 
                 haveYear = true;
                 }
 
                 haveYear = true;


@@ -3600,7 +3659,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 if ( *input++ != _T('%') )
                 {
                     // no match
                 if ( *input++ != _T('%') )
                 {
                     // no match

-                    return (wxChar *)NULL;
+                    return NULL;

                 }
                 break;
 
                 }
                 break;
 


@@ -3610,7 +3669,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 // fall through
 
             default:            // not a known format spec
                 // fall through
 
             default:            // not a known format spec

-                return (wxChar *)NULL;
+                return NULL;

         }
     }
 
         }
     }
 


@@ -3635,6 +3694,11 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
     Tm tm = tmDef;
 
     // set the date
     Tm tm = tmDef;
 
     // set the date

+    if ( haveMon )
+    {
+        tm.mon = mon;
+    }
+

     if ( haveYear )
     {
         tm.year = year;
     if ( haveYear )
     {
         tm.year = year;


@@ -3643,16 +3707,15 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
     // TODO we don't check here that the values are consistent, if both year
     //      day and month/day were found, we just ignore the year day and we
     //      also always ignore the week day
     // TODO we don't check here that the values are consistent, if both year
     //      day and month/day were found, we just ignore the year day and we
     //      also always ignore the week day

-    if ( haveMon && haveDay )
+    if ( haveDay )

     {
     {

-        if ( mday > GetNumOfDaysInMonth(tm.year, mon) )
+        if ( mday > GetNumOfDaysInMonth(tm.year, tm.mon) )

         {
             wxLogDebug(_T("bad month day in wxDateTime::ParseFormat"));
 
         {
             wxLogDebug(_T("bad month day in wxDateTime::ParseFormat"));
 

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         }
 

-        tm.mon = mon;

         tm.mday = mday;
     }
     else if ( haveYDay )
         tm.mday = mday;
     }
     else if ( haveYDay )


@@ -3661,7 +3724,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         {
             wxLogDebug(_T("bad year day in wxDateTime::ParseFormat"));
 
         {
             wxLogDebug(_T("bad year day in wxDateTime::ParseFormat"));
 

-            return (wxChar *)NULL;
+            return NULL;

         }
 
         Tm tm2 = wxDateTime(1, Jan, tm.year).SetToYearDay(yday).GetTm();
         }
 
         Tm tm2 = wxDateTime(1, Jan, tm.year).SetToYearDay(yday).GetTm();


@@ -3704,73 +3767,82 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         return NULL;
     }
 
         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();
 
     // 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
     {
         // 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
     {
     }
     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
 
     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)
 
 {
     // 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
     {
     while ( wxIsspace(*p) )
         p++;
 
     // some special cases
     static struct
     {

-        const wxChar *str;
+        const char *str;

         int dayDiffFromToday;
     } literalDates[] =
     {
         int dayDiffFromToday;
     } literalDates[] =
     {


@@ -3798,7 +3870,11 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                     *this += wxDateSpan::Days(dayDiffFromToday);
                 }
 
                     *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;

             }
         }
     }
             }
         }
     }


@@ -3822,7 +3898,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
 
     // tokenize the string
     size_t nPosCur = 0;
 
     // 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() )
     {
     wxStringTokenizer tok(p, dateDelimiters);
     while ( tok.HasMoreTokens() )
     {


@@ -3931,8 +4007,8 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
             }
             else // not a valid month name
             {
             }
             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 )
                 {
                     // a week day
                     if ( haveWDay )


@@ -3940,12 +4016,14 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                         break;
                     }
 
                         break;
                     }
 

+                    wday = wday2;
+

                     haveWDay = true;
                 }
                 else // not a valid weekday name
                 {
                     // try the ordinals
                     haveWDay = true;
                 }
                 else // not a valid weekday name
                 {
                     // try the ordinals

-                    static const wxChar *ordinals[] =
+                    static const char *ordinals[] =

                     {
                         wxTRANSLATE("first"),
                         wxTRANSLATE("second"),
                     {
                         wxTRANSLATE("first"),
                         wxTRANSLATE("second"),


@@ -4081,7 +4159,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                 // inconsistency detected
                 wxLogDebug(_T("ParseDate: inconsistent day/weekday."));
 
                 // inconsistency detected
                 wxLogDebug(_T("ParseDate: inconsistent day/weekday."));
 

-                return (wxChar *)NULL;
+                return NULL;

             }
         }
     }
             }
         }
     }


@@ -4101,17 +4179,20 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
         p--;
     }
 
         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
     {
     // first try some extra things
     static const struct
     {

-        const wxChar *name;
+        const char *name;

         wxDateTime_t  hour;
     } stdTimes[] =
     {
         wxDateTime_t  hour;
     } stdTimes[] =
     {


@@ -4129,56 +4210,35 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time)
             // casts required by DigitalMars
             Set(stdTimes[n].hour, wxDateTime_t(0), wxDateTime_t(0));
 
             // 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
         }
     }
 
     // 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"));
-    }
-
-    if ( !result )
-    {
-        // 12hour with AM/PM but without seconds?
-        result = ParseFormat(time, _T("%I:%M %p"));
-    }
+        "%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 )
-    {
-        // without seconds?
-        result = ParseFormat(time, _T("%H:%M"));
-    }
-
-    if ( !result )
-    {
-        // just the hour and AM/PM?
-        result = ParseFormat(time, _T("%I %p"));
-    }
+        // TODO: parse timezones
+    };

 
 

-    if ( !result )
+    for ( size_t nFmt = 0; nFmt < WXSIZEOF(timeFormats); nFmt++ )

     {
     {

-        // just the hour?
-        result = ParseFormat(time, _T("%H"));
+        const char *result = ParseFormat(time, timeFormats[nFmt], end);
+        if ( result )
+            return result;

     }
 
     }
 

-    if ( !result )
-    {
-        // 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"));
-    }
-
-    // TODO: parse timezones
-
-    return result;
+    return NULL;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -4238,12 +4298,21 @@ enum TimeSpanPart
 // And, to be better than MFC :-), we also have
 //  %E          number of wEeks
 //  %l          milliseconds (000 - 999)
 // And, to be better than MFC :-), we also have
 //  %E          number of wEeks
 //  %l          milliseconds (000 - 999)

-wxString wxTimeSpan::Format(const wxChar *format) const
+wxString wxTimeSpan::Format(const wxString& format) const

 {
 {

-    wxCHECK_MSG( format, wxEmptyString, _T("NULL format in wxTimeSpan::Format") );
+    // we deal with only positive time spans here and just add the sign in
+    // front for the negative ones
+    if ( IsNegative() )
+    {
+        wxString str(Negate().Format(format));
+        return "-" + str;
+    }
+
+    wxCHECK_MSG( !format.empty(), wxEmptyString,
+                 _T("NULL format in wxTimeSpan::Format") );

 
     wxString str;
 
     wxString str;

-    str.Alloc(wxStrlen(format));
+    str.Alloc(format.length());

 
     // Suppose we have wxTimeSpan ts(1 /* hour */, 2 /* min */, 3 /* sec */)
     //
 
     // Suppose we have wxTimeSpan ts(1 /* hour */, 2 /* min */, 3 /* sec */)
     //


@@ -4261,7 +4330,7 @@ wxString wxTimeSpan::Format(const wxChar *format) const
     // we remember the most important unit found so far
     TimeSpanPart partBiggest = Part_MSec;
 
     // we remember the most important unit found so far
     TimeSpanPart partBiggest = Part_MSec;
 

-    for ( const wxChar *pch = format; *pch; pch++ )
+    for ( wxString::const_iterator pch = format.begin(); pch != format.end(); ++pch )

     {
         wxChar ch = *pch;
 
     {
         wxChar ch = *pch;
 


@@ -4310,13 +4379,6 @@ wxString wxTimeSpan::Format(const wxChar *format) const
                     n = GetHours();
                     if ( partBiggest < Part_Hour )
                     {
                     n = GetHours();
                     if ( partBiggest < Part_Hour )
                     {

-                        if ( n < 0 )
-                        {
-                            // the sign has already been taken into account
-                            // when outputting the biggest part
-                            n = -n;
-                        }
-

                         n %= HOURS_PER_DAY;
                     }
                     else
                         n %= HOURS_PER_DAY;
                     }
                     else


@@ -4331,9 +4393,6 @@ wxString wxTimeSpan::Format(const wxChar *format) const
                     n = GetMilliseconds().ToLong();
                     if ( partBiggest < Part_MSec )
                     {
                     n = GetMilliseconds().ToLong();
                     if ( partBiggest < Part_MSec )
                     {

-                        if ( n < 0 )
-                            n = -n;
-

                         n %= 1000;
                     }
                     //else: no need to reset partBiggest to Part_MSec, it is
                         n %= 1000;
                     }
                     //else: no need to reset partBiggest to Part_MSec, it is


@@ -4346,9 +4405,6 @@ wxString wxTimeSpan::Format(const wxChar *format) const
                     n = GetMinutes();
                     if ( partBiggest < Part_Min )
                     {
                     n = GetMinutes();
                     if ( partBiggest < Part_Min )
                     {

-                        if ( n < 0 )
-                            n = -n;
-

                         n %= MIN_PER_HOUR;
                     }
                     else
                         n %= MIN_PER_HOUR;
                     }
                     else


@@ -4363,9 +4419,6 @@ wxString wxTimeSpan::Format(const wxChar *format) const
                     n = GetSeconds().ToLong();
                     if ( partBiggest < Part_Sec )
                     {
                     n = GetSeconds().ToLong();
                     if ( partBiggest < Part_Sec )
                     {

-                        if ( n < 0 )
-                            n = -n;
-

                         n %= SEC_PER_MIN;
                     }
                     else
                         n %= SEC_PER_MIN;
                     }
                     else


@@ -4379,10 +4432,6 @@ wxString wxTimeSpan::Format(const wxChar *format) const
 
             if ( digits )
             {
 
             if ( digits )
             {

-                // negative numbers need one extra position for '-' display
-                if ( n < 0 )
-                    digits++;
-

                 fmtPrefix << _T("0") << digits;
             }
 
                 fmtPrefix << _T("0") << digits;
             }
 


@@ -4563,4 +4612,30 @@ WXDLLIMPEXP_BASE void wxPrevWDay(wxDateTime::WeekDay& wd)
                                : (wxDateTime::WeekDay)(wd - 1);
 }
 
                                : (wxDateTime::WeekDay)(wd - 1);
 }
 

+#ifdef __WXMSW__
+
+wxDateTime& wxDateTime::SetFromMSWSysTime(const SYSTEMTIME& st)
+{
+    return Set(st.wDay,
+            static_cast<wxDateTime::Month>(wxDateTime::Jan + st.wMonth - 1),
+            st.wYear,
+            0, 0, 0);
+}
+
+void wxDateTime::GetAsMSWSysTime(SYSTEMTIME* st) const
+{
+    const wxDateTime::Tm tm(GetTm());
+
+    st->wYear = (WXWORD)tm.year;
+    st->wMonth = (WXWORD)(tm.mon - wxDateTime::Jan + 1);
+    st->wDay = tm.mday;
+
+    st->wDayOfWeek =
+    st->wHour =
+    st->wMinute =
+    st->wSecond =
+    st->wMilliseconds = 0;
+}
+#endif // __WXMSW__
+

 #endif // wxUSE_DATETIME
 #endif // wxUSE_DATETIME