Cleaner fix.

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

diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp
index fa2ab9cabb27174a010d913c13f72b8cdaeef700..9c14cc43db07e0f51dca7e3d9af7db60f48f9577 100644 (file)
--- a/src/common/datetime.cpp
+++ b/src/common/datetime.cpp
@@ -13,7 +13,7 @@
 //               so long as the above copyright and this permission statement
 //               are retained in all copies.
 //
 //               so long as the above copyright and this permission statement
 //               are retained in all copies.
 //

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 /*
 ///////////////////////////////////////////////////////////////////////////////
 
 /*


@@ -52,7 +52,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "datetime.h"
 #endif
 
     #pragma implementation "datetime.h"
 #endif
 


@@ -63,28 +63,48 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

+#if !defined(wxUSE_DATETIME) || wxUSE_DATETIME
+

 #ifndef WX_PRECOMP
     #include "wx/string.h"
 #ifndef WX_PRECOMP
     #include "wx/string.h"

-    #include "wx/intl.h"

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

+#include "wx/intl.h"

 #include "wx/thread.h"
 #include "wx/tokenzr.h"
 #include "wx/module.h"
 
 #include "wx/thread.h"
 #include "wx/tokenzr.h"
 #include "wx/module.h"
 

-#define wxDEFINE_TIME_CONSTANTS // before including datetime.h
-

 #include <ctype.h>
 
 #include "wx/datetime.h"
 #include <ctype.h>
 
 #include "wx/datetime.h"

-#include "wx/timer.h"           // for wxGetLocalTimeMillis()
+#include "wx/stopwatch.h"           // for wxGetLocalTimeMillis()
+
+const long wxDateTime::TIME_T_FACTOR = 1000l;
+
+#if wxUSE_EXTENDED_RTTI
+
+template<> void wxStringReadValue(const wxString &s , wxDateTime &data )
+{
+    data.ParseFormat(s,wxT("%Y-%m-%d %H:%M:%S")) ;
+}
+
+template<> void wxStringWriteValue(wxString &s , const wxDateTime &data )
+{
+    s = data.Format(wxT("%Y-%m-%d %H:%M:%S")) ;
+}
+
+wxCUSTOM_TYPE_INFO(wxDateTime, wxToStringConverter<wxDateTime> , wxFromStringConverter<wxDateTime>)
+
+#endif

 
 

+//

 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
 

-#if defined(HAVE_STRPTIME) && defined(__LINUX__)
+#if defined(HAVE_STRPTIME) && defined(__GLIBC__) && \
+        ((__GLIBC__ == 2) && (__GLIBC_MINOR__ == 0))

     // glibc 2.0.7 strptime() is broken - the following snippet causes it to
     // crash (instead of just failing):
     //
     // glibc 2.0.7 strptime() is broken - the following snippet causes it to
     // crash (instead of just failing):
     //


@@ -95,16 +115,37 @@
     #undef HAVE_STRPTIME
 #endif // broken strptime()
 
     #undef HAVE_STRPTIME
 #endif // broken strptime()
 

-#ifndef WX_TIMEZONE
+#if defined(__MWERKS__) && wxUSE_UNICODE
+    #include <wtime.h>
+#endif
+
+#if !defined(WX_TIMEZONE) && !defined(WX_GMTOFF_IN_TM)

     #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
         #define WX_TIMEZONE _timezone
     #elif defined(__MWERKS__)
         long wxmw_timezone = 28800;
     #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
         #define WX_TIMEZONE _timezone
     #elif defined(__MWERKS__)
         long wxmw_timezone = 28800;

-        #define WX_TIMEZONE wxmw_timezone;
+        #define WX_TIMEZONE wxmw_timezone
+    #elif defined(__DJGPP__) || defined(__WINE__)
+        #include <sys/timeb.h>
+        #include <values.h>
+        static long wxGetTimeZone()
+        {
+            static long timezone = MAXLONG; // invalid timezone
+            if (timezone == MAXLONG)
+            {
+                struct timeb tb;
+                ftime(&tb);
+                timezone = tb.timezone;
+            }
+            return timezone;
+        }
+        #define WX_TIMEZONE wxGetTimeZone()
+    #elif defined(__DARWIN__)
+        #define WX_GMTOFF_IN_TM

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

-#endif // !WX_TIMEZONE
+#endif // !WX_TIMEZONE && !WX_GMTOFF_IN_TM

 
 // ----------------------------------------------------------------------------
 // macros
 
 // ----------------------------------------------------------------------------
 // macros


@@ -136,7 +177,7 @@ public:
     virtual void OnExit()
     {
         wxDateTimeHolidayAuthority::ClearAllAuthorities();
     virtual void OnExit()
     {
         wxDateTimeHolidayAuthority::ClearAllAuthorities();

-        wxDateTimeHolidayAuthority::ms_authorities.Clear();
+        wxDateTimeHolidayAuthority::ms_authorities.clear();

     }
 
 private:
     }
 
 private:


@@ -152,10 +193,16 @@ IMPLEMENT_DYNAMIC_CLASS(wxDateTimeHolidaysModule, wxModule)
 // some trivial ones
 static const int MONTHS_IN_YEAR = 12;
 
 // some trivial ones
 static const int MONTHS_IN_YEAR = 12;
 

-static const int SECONDS_IN_MINUTE = 60;
+static const int SEC_PER_MIN = 60;
+
+static const int MIN_PER_HOUR = 60;
+
+static const int HOURS_PER_DAY = 24;

 
 static const long SECONDS_PER_DAY = 86400l;
 
 
 static const long SECONDS_PER_DAY = 86400l;
 

+static const int DAYS_PER_WEEK = 7;
+

 static const long MILLISECONDS_PER_DAY = 86400000l;
 
 // this is the integral part of JDN of the midnight of Jan 1, 1970
 static const long MILLISECONDS_PER_DAY = 86400000l;
 
 // this is the integral part of JDN of the midnight of Jan 1, 1970


@@ -188,22 +235,10 @@ static const wxDateTime::wxDateTime_t gs_cumulatedDays[2][MONTHS_IN_YEAR] =
 
 // 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

-static const wxDateTime gs_dtDefault = wxLongLong((long)ULONG_MAX, ULONG_MAX);
-
-const wxDateTime& wxDefaultDateTime = gs_dtDefault;
+const wxDateTime wxDefaultDateTime;

 
 wxDateTime::Country wxDateTime::ms_country = wxDateTime::Country_Unknown;
 
 
 wxDateTime::Country wxDateTime::ms_country = wxDateTime::Country_Unknown;
 

-// ----------------------------------------------------------------------------
-// private globals
-// ----------------------------------------------------------------------------
-
-// a critical section is needed to protect GetTimeZone() static
-// variable in MT case
-#if wxUSE_THREADS
-    static wxCriticalSection gs_critsectTimezone;
-#endif // wxUSE_THREADS
-

 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------


@@ -235,25 +270,36 @@ wxDateTime::wxDateTime_t GetNumOfDaysInMonth(int year, wxDateTime::Month month)
     return daysInMonth[wxDateTime::IsLeapYear(year)][month];
 }
 
     return daysInMonth[wxDateTime::IsLeapYear(year)][month];
 }
 

-// ensure that the timezone variable is set by calling localtime
+// returns the time zone in the C sense, i.e. the difference UTC - local
+// (in seconds)

 static int GetTimeZone()
 {
 static int GetTimeZone()
 {

+#ifdef WX_GMTOFF_IN_TM

     // set to TRUE when the timezone is set
     static bool s_timezoneSet = FALSE;
     // set to TRUE when the timezone is set
     static bool s_timezoneSet = FALSE;

+    static long gmtoffset = LONG_MAX; // invalid timezone

 
 

-    wxCRIT_SECT_LOCKER(lock, gs_critsectTimezone);
-
+    // ensure that the timezone variable is set by calling localtime

     if ( !s_timezoneSet )
     {
         // just call localtime() instead of figuring out whether this system
         // supports tzset(), _tzset() or something else
     if ( !s_timezoneSet )
     {
         // just call localtime() instead of figuring out whether this system
         // supports tzset(), _tzset() or something else

-        time_t t;
-        (void)localtime(&t);
+        time_t t = 0;
+        struct tm *tm;

 
 

+        tm = localtime(&t);

         s_timezoneSet = TRUE;
         s_timezoneSet = TRUE;

+
+        // note that GMT offset is the opposite of time zone and so to return
+        // consistent results in both WX_GMTOFF_IN_TM and !WX_GMTOFF_IN_TM
+        // cases we have to negate it
+        gmtoffset = -tm->tm_gmtoff;

     }
 
     }
 

+    return (int)gmtoffset;
+#else // !WX_GMTOFF_IN_TM

     return (int)WX_TIMEZONE;
     return (int)WX_TIMEZONE;

+#endif // WX_GMTOFF_IN_TM/!WX_GMTOFF_IN_TM

 }
 
 // return the integral part of the JDN for the midnight of the given date (to
 }
 
 // return the integral part of the JDN for the midnight of the given date (to


@@ -296,7 +342,7 @@ static long GetTruncatedJDN(wxDateTime::wxDateTime_t day,
             - JDN_OFFSET;
 }
 
             - JDN_OFFSET;
 }
 

-// this function is a wrapper around strftime(3)
+// this function is a wrapper around strftime(3) adding error checking

 static wxString CallStrftime(const wxChar *format, const tm* tm)
 {
     wxChar buf[4096];
 static wxString CallStrftime(const wxChar *format, const tm* tm)
 {
     wxChar buf[4096];


@@ -309,6 +355,41 @@ static wxString CallStrftime(const wxChar *format, const tm* tm)
     return wxString(buf);
 }
 
     return wxString(buf);
 }
 

+#ifdef HAVE_STRPTIME
+
+// glibc2 doesn't define this in the headers unless _XOPEN_SOURCE is defined
+// which, unfortunately, wreaks havoc elsewhere
+#if defined(__GLIBC__) && (__GLIBC__ == 2)
+    extern "C" char *strptime(const char *, const char *, struct tm *);
+#endif
+
+// Unicode-friendly strptime() wrapper
+static const wxChar *
+CallStrptime(const wxChar *input, const char *fmt, tm *tm)
+{
+    // the problem here is that strptime() returns pointer into the string we
+    // passed to it while we're really interested in the pointer into the
+    // original, Unicode, string so we try to transform the pointer back
+#if wxUSE_UNICODE
+    wxCharBuffer inputMB(wxConvertWX2MB(input));
+#else // ASCII
+    const char * const inputMB = input;
+#endif // Unicode/Ascii
+
+    const char *result = strptime(inputMB, fmt, tm);
+    if ( !result )
+        return NULL;
+
+#if wxUSE_UNICODE
+    // FIXME: this is wrong in presence of surrogates &c
+    return input + (result - inputMB.data());
+#else // ASCII
+    return result;
+#endif // Unicode/Ascii
+}
+
+#endif // HAVE_STRPTIME
+

 // if year and/or month have invalid values, replace them with the current ones
 static void ReplaceDefaultYearMonthWithCurrent(int *year,
                                                wxDateTime::Month *month)
 // if year and/or month have invalid values, replace them with the current ones
 static void ReplaceDefaultYearMonthWithCurrent(int *year,
                                                wxDateTime::Month *month)


@@ -758,14 +839,29 @@ void wxDateTime::GetAmPmStrings(wxString *am, wxString *pm)
 {
     tm tm;
     InitTm(tm);
 {
     tm tm;
     InitTm(tm);

+    wxChar buffer[64];
+    // @Note: Do not call 'CallStrftime' here! CallStrftime checks the return code
+    // and causes an assertion failed if the buffer is to small (which is good) - OR -
+    // if strftime does not return anything because the format string is invalid - OR -
+    // if there are no 'am' / 'pm' tokens defined for the current locale (which is not good).
+    // wxDateTime::ParseTime will try several different formats to parse the time.
+    // As a result, GetAmPmStrings might get called, even if the current locale
+    // does not define any 'am' / 'pm' tokens. In this case, wxStrftime would
+    // assert, even though it is a perfectly legal use.

     if ( am )
     {
     if ( am )
     {

-        *am = CallStrftime(_T("%p"), &tm);
+        if (wxStrftime(buffer, sizeof buffer, _T("%p"), &tm) > 0)
+            *am = wxString(buffer);
+        else
+            *am = wxString();

     }
     if ( pm )
     {
         tm.tm_hour = 13;
     }
     if ( pm )
     {
         tm.tm_hour = 13;

-        *pm = CallStrftime(_T("%p"), &tm);
+        if (wxStrftime(buffer, sizeof buffer, _T("%p"), &tm) > 0)
+            *pm = wxString(buffer);
+        else
+            *pm = wxString();

     }
 }
 
     }
 }
 


@@ -1061,8 +1157,6 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country)
 // the values in the tm structure contain the local time
 wxDateTime& wxDateTime::Set(const struct tm& tm)
 {
 // the values in the tm structure contain the local time
 wxDateTime& wxDateTime::Set(const struct tm& tm)
 {

-    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime") );
-

     struct tm tm2(tm);
     time_t timet = mktime(&tm2);
 
     struct tm tm2(tm);
     time_t timet = mktime(&tm2);
 


@@ -1101,8 +1195,6 @@ wxDateTime& wxDateTime::Set(wxDateTime_t hour,
                             wxDateTime_t second,
                             wxDateTime_t millisec)
 {
                             wxDateTime_t second,
                             wxDateTime_t millisec)
 {

-    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime") );
-

     // we allow seconds to be 61 to account for the leap seconds, even if we
     // don't use them really
     wxDATETIME_CHECK( hour < 24 &&
     // we allow seconds to be 61 to account for the leap seconds, even if we
     // don't use them really
     wxDATETIME_CHECK( hour < 24 &&


@@ -1135,8 +1227,6 @@ wxDateTime& wxDateTime::Set(wxDateTime_t day,
                             wxDateTime_t second,
                             wxDateTime_t millisec)
 {
                             wxDateTime_t second,
                             wxDateTime_t millisec)
 {

-    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime") );
-

     wxDATETIME_CHECK( hour < 24 &&
                       second < 62 &&
                       minute < 60 &&
     wxDATETIME_CHECK( hour < 24 &&
                       second < 62 &&
                       minute < 60 &&


@@ -1219,6 +1309,83 @@ wxDateTime& wxDateTime::ResetTime()
     return *this;
 }
 
     return *this;
 }
 

+// ----------------------------------------------------------------------------
+// DOS Date and Time Format functions
+// ----------------------------------------------------------------------------
+// the dos date and time value is an unsigned 32 bit value in the format:
+// YYYYYYYMMMMDDDDDhhhhhmmmmmmsssss
+//
+// Y = year offset from 1980 (0-127)
+// M = month (1-12)
+// D = day of month (1-31)
+// h = hour (0-23)
+// m = minute (0-59)
+// s = bisecond (0-29) each bisecond indicates two seconds
+// ----------------------------------------------------------------------------
+
+wxDateTime& wxDateTime::SetFromDOS(unsigned long ddt)
+{
+    struct tm tm;
+    InitTm(tm);
+
+    long year = ddt & 0xFE000000;
+    year >>= 25;
+    year += 80;
+    tm.tm_year = year;
+
+    long month = ddt & 0x1E00000;
+    month >>= 21;
+    month -= 1;
+    tm.tm_mon = month;
+
+    long day = ddt & 0x1F0000;
+    day >>= 16;
+    tm.tm_mday = day;
+
+    long hour = ddt & 0xF800;
+    hour >>= 11;
+    tm.tm_hour = hour;
+
+    long minute = ddt & 0x7E0;
+    minute >>= 5;
+    tm.tm_min = minute;
+
+    long second = ddt & 0x1F;
+    tm.tm_sec = second * 2;
+
+    return Set(mktime(&tm));
+}
+
+unsigned long wxDateTime::GetAsDOS() const
+{
+    unsigned long ddt;
+    time_t ticks = GetTicks();
+    struct tm *tm = localtime(&ticks);
+
+    long year = tm->tm_year;
+    year -= 80;
+    year <<= 25;
+
+    long month = tm->tm_mon;
+    month += 1;
+    month <<= 21;
+
+    long day = tm->tm_mday;
+    day <<= 16;
+
+    long hour = tm->tm_hour;
+    hour <<= 11;
+
+    long minute = tm->tm_min;
+    minute <<= 5;
+
+    long second = tm->tm_sec;
+    second /= 2;
+
+    ddt = year | month | day | hour | minute | second;
+    return ddt;
+}
+

 // ----------------------------------------------------------------------------
 // time_t <-> broken down time conversions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // time_t <-> broken down time conversions
 // ----------------------------------------------------------------------------


@@ -1243,7 +1410,7 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
         else
         {
             time += (time_t)tz.GetOffset();
         else
         {
             time += (time_t)tz.GetOffset();

-#ifdef __VMS__ // time is unsigned so avoid warning
+#if defined(__VMS__) || defined(__WATCOMC__) // time is unsigned so avoid warning

             int time2 = (int) time;
             if ( time2 >= 0 )
 #else
             int time2 = (int) time;
             if ( time2 >= 0 )
 #else


@@ -1329,8 +1496,6 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
     // check that the algorithm gave us something reasonable
     wxASSERT_MSG( (0 < month) && (month <= 12), _T("invalid month") );
     wxASSERT_MSG( (1 <= day) && (day < 32), _T("invalid day") );
     // check that the algorithm gave us something reasonable
     wxASSERT_MSG( (0 < month) && (month <= 12), _T("invalid month") );
     wxASSERT_MSG( (1 <= day) && (day < 32), _T("invalid day") );

-    wxASSERT_MSG( (INT_MIN <= year) && (year <= INT_MAX),
-                  _T("year range overflow") );

 
     // construct Tm from these values
     Tm tm;
 
     // construct Tm from these values
     Tm tm;


@@ -1468,13 +1633,18 @@ wxDateTime& wxDateTime::Add(const wxDateSpan& diff)
 // Weekday and monthday stuff
 // ----------------------------------------------------------------------------
 
 // Weekday and monthday stuff
 // ----------------------------------------------------------------------------
 

-bool wxDateTime::SetToTheWeek(wxDateTime_t numWeek, WeekDay weekday)
+bool wxDateTime::SetToTheWeek(wxDateTime_t numWeek,
+                              WeekDay weekday,
+                              WeekFlags flags)

 {
 {

+    wxASSERT_MSG( numWeek > 0,
+                  _T("invalid week number: weeks are counted from 1") );
+

     int year = GetYear();
 
     // Jan 4 always lies in the 1st week of the year
     Set(4, Jan, year);
     int year = GetYear();
 
     // Jan 4 always lies in the 1st week of the year
     Set(4, Jan, year);

-    SetToWeekDayInSameWeek(weekday) += wxDateSpan::Weeks(numWeek);
+    SetToWeekDayInSameWeek(weekday, flags) += wxDateSpan::Weeks(numWeek - 1);

 
     if ( GetYear() != year )
     {
 
     if ( GetYear() != year )
     {


@@ -1497,17 +1667,34 @@ wxDateTime& wxDateTime::SetToLastMonthDay(Month month,
     return Set(GetNumOfDaysInMonth(year, month), month, year);
 }
 
     return Set(GetNumOfDaysInMonth(year, month), month, year);
 }
 

-wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday)
+wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday, WeekFlags flags)

 {
     wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") );
 
 {
     wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") );
 

-    WeekDay wdayThis = GetWeekDay();
+    int wdayThis = GetWeekDay();

     if ( weekday == wdayThis )
     {
         // nothing to do
         return *this;
     }
     if ( weekday == wdayThis )
     {
         // nothing to do
         return *this;
     }

-    else if ( weekday < wdayThis )
+
+    if ( flags == Default_First )
+    {
+        flags = GetCountry() == USA ? Sunday_First : Monday_First;
+    }
+
+    // the logic below based on comparing weekday and wdayThis works if Sun (0)
+    // is the first day in the week, but breaks down for Monday_First case so
+    // we adjust the week days in this case
+    if( flags == Monday_First )
+    {
+        if ( wdayThis == Sun )
+            wdayThis += 7;
+    }
+    //else: Sunday_First, nothing to do
+
+    // go forward or back in time to the day we want
+    if ( weekday < wdayThis )

     {
         return Subtract(wxDateSpan::Days(wdayThis - weekday));
     }
     {
         return Subtract(wxDateSpan::Days(wdayThis - weekday));
     }


@@ -1700,7 +1887,7 @@ wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday)
         // for Dec, we can't compare with gs_cumulatedDays[mon + 1], but we
         // don't need it neither - because of the CHECK above we know that
         // yday lies in December then
         // for Dec, we can't compare with gs_cumulatedDays[mon + 1], but we
         // don't need it neither - because of the CHECK above we know that
         // yday lies in December then

-        if ( (mon == Dec) || (yday < gs_cumulatedDays[isLeap][mon + 1]) )
+        if ( (mon == Dec) || (yday <= gs_cumulatedDays[isLeap][mon + 1]) )

         {
             Set(yday - gs_cumulatedDays[isLeap][mon], mon, year);
 
         {
             Set(yday - gs_cumulatedDays[isLeap][mon], mon, year);
 


@@ -1810,7 +1997,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
         {
             time += (int)tz.GetOffset();
 
         {
             time += (int)tz.GetOffset();
 

-#ifdef __VMS__ // time is unsigned so avoid the warning
+#if defined(__VMS__) || defined(__WATCOMC__) // time is unsigned so avoid warning

             int time2 = (int) time;
             if ( time2 >= 0 )
 #else
             int time2 = (int) time;
             if ( time2 >= 0 )
 #else


@@ -1875,6 +2062,10 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
                 fmt = _T("%03d");
                 break;
 
                 fmt = _T("%03d");
                 break;
 

+            case _T('w'):               // week day as number has only one
+                fmt = _T("%d");
+                break;
+

             default:
                 // it's either another valid format specifier in which case
                 // the format is "%02d" (for all the rest) or we have the
             default:
                 // it's either another valid format specifier in which case
                 // the format is "%02d" (for all the rest) or we have the


@@ -2512,12 +2703,36 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
         // parse the optional width
         size_t width = 0;
 
         // parse the optional width
         size_t width = 0;

-        while ( isdigit(*++fmt) )
+        while ( wxIsdigit(*++fmt) )

         {
             width *= 10;
             width += *fmt - _T('0');
         }
 
         {
             width *= 10;
             width += *fmt - _T('0');
         }
 

+        // the default widths for the various fields
+        if ( !width )
+        {
+            switch ( *fmt )
+            {
+                case _T('Y'):               // year has 4 digits
+                    width = 4;
+                    break;
+
+                case _T('j'):               // day of year has 3 digits
+                case _T('l'):               // milliseconds have 3 digits
+                    width = 3;
+                    break;
+
+                case _T('w'):               // week day as number has only one
+                    width = 1;
+                    break;
+
+                default:
+                    // default for all other fields
+                    width = 2;
+            }
+        }
+

         // then the format itself
         switch ( *fmt )
         {
         // then the format itself
         switch ( *fmt )
         {


@@ -2666,6 +2881,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                     wxString am, pm, token = GetAlphaToken(input);
 
                     GetAmPmStrings(&am, &pm);
                     wxString am, pm, token = GetAlphaToken(input);
 
                     GetAmPmStrings(&am, &pm);

+                    if (am.IsEmpty() && pm.IsEmpty())
+                        return (wxChar *)NULL;  // no am/pm strings defined

                     if ( token.CmpNoCase(pm) == 0 )
                     {
                         isPM = TRUE;
                     if ( token.CmpNoCase(pm) == 0 )
                     {
                         isPM = TRUE;


@@ -2757,12 +2974,13 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
             case _T('x'):       // locale default date representation
 #ifdef HAVE_STRPTIME
 
             case _T('x'):       // locale default date representation
 #ifdef HAVE_STRPTIME

-                // try using strptime() - it may fail even if the input is
+                // try using strptime() -- it may fail even if the input is

                 // correct but the date is out of range, so we will fall back
                 // correct but the date is out of range, so we will fall back

-                // to our generic code anyhow (FIXME !Unicode friendly)
+                // to our generic code anyhow

                 {
                     struct tm tm;
                 {
                     struct tm tm;

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

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


@@ -2827,7 +3045,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 {
                     // use strptime() to do it for us (FIXME !Unicode friendly)
                     struct tm tm;
                 {
                     // use strptime() to do it for us (FIXME !Unicode friendly)
                     struct tm tm;

-                    input = strptime(input, "%X", &tm);
+                    input = CallStrptime(input, "%X", &tm);

                     if ( !input )
                     {
                         return (wxChar *)NULL;
                     if ( !input )
                     {
                         return (wxChar *)NULL;


@@ -2927,11 +3145,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         // take this date as default
         tmDef = dateDef.GetTm();
     }
         // take this date as default
         tmDef = dateDef.GetTm();
     }

-#ifdef __WIN16__
-    else if ( m_time != 0 )
-#else
-    else if ( m_time != wxLongLong(0) )
-#endif
+    else if ( IsValid() )

     {
         // if this date is valid, don't change it
         tmDef = GetTm();
     {
         // if this date is valid, don't change it
         tmDef = GetTm();


@@ -3006,6 +3220,14 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
     Set(tm);
 
 
     Set(tm);
 

+    // 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 NULL;
+    }
+

     return input;
 }
 
     return input;
 }
 


@@ -3013,11 +3235,48 @@ const wxChar *wxDateTime::ParseDateTime(const wxChar *date)
 {
     wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") );
 
 {
     wxCHECK_MSG( date, (wxChar *)NULL, _T("NULL pointer in wxDateTime::Parse") );
 

-    // there is a public domain version of getdate.y, but it only works for
-    // English...
-    wxFAIL_MSG(_T("TODO"));
+    // 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);
+
+    // We got a date in the beginning, see if there is a time specified after the date
+    if ( pchDate )
+    {
+        // Skip spaces, as the ParseTime() function fails on spaces
+        while ( wxIsspace(*pchDate) )
+            pchDate++;
+
+        pchTime = dtTime.ParseTime(pchDate);
+    }
+    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++;
+
+            pchDate = dtDate.ParseDate(pchTime);
+        }
+    }
+
+    // If we have a date specified, set our own data to the same date
+    if ( !pchDate || !pchTime )
+        return NULL;
+
+    Set(dtDate.GetDay(), dtDate.GetMonth(), dtDate.GetYear(),
+        dtTime.GetHour(), dtTime.GetMinute(), dtTime.GetSecond(),
+        dtTime.GetMillisecond());

 
 

-    return (wxChar *)NULL;
+    // Return endpoint of scan
+    return pchDate > pchTime ? pchDate : pchTime;

 }
 
 const wxChar *wxDateTime::ParseDate(const wxChar *date)
 }
 
 const wxChar *wxDateTime::ParseDate(const wxChar *date)


@@ -3083,7 +3342,7 @@ 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\n ");
+    static const wxChar *dateDelimiters = _T(".,/-\t\r\n ");

     wxStringTokenizer tok(p, dateDelimiters);
     while ( tok.HasMoreTokens() )
     {
     wxStringTokenizer tok(p, dateDelimiters);
     while ( tok.HasMoreTokens() )
     {


@@ -3108,18 +3367,27 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
             }
             else // not the month
             {
             }
             else // not the month
             {

-                wxDateTime_t maxDays = haveMon
-                    ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon)
-                    : 31;
-
-                // can it be day?
-                if ( (val == 0) || (val > maxDays) )
+                if ( haveDay )

                 {
                 {

+                    // this can only be the year

                     isYear = TRUE;
                 }
                     isYear = TRUE;
                 }

-                else
+                else // may be either day or year

                 {
                 {

-                    isDay = TRUE;
+                    wxDateTime_t maxDays = haveMon
+                        ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon)
+                        : 31;
+
+                    // can it be day?
+                    if ( (val == 0) || (val > (unsigned long)maxDays) )
+                    {
+                        // no
+                        isYear = TRUE;
+                    }
+                    else // yes, suppose it's the day
+                    {
+                        isDay = TRUE;
+                    }

                 }
             }
 
                 }
             }
 


@@ -3157,14 +3425,27 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                 // it's a month
                 if ( haveMon )
                 {
                 // it's a month
                 if ( haveMon )
                 {

-                    break;
+                    // 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)
+                        break;
+                    }

                 }
 
                 mon = mon2;
 
                 haveMon = TRUE;
             }
                 }
 
                 mon = mon2;
 
                 haveMon = TRUE;
             }

-            else
+            else // not a valid month name

             {
                 wday = GetWeekDayFromName(token, Name_Full | Name_Abbr);
                 if ( wday != Inv_WeekDay )
             {
                 wday = GetWeekDayFromName(token, Name_Full | Name_Abbr);
                 if ( wday != Inv_WeekDay )


@@ -3177,7 +3458,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
 
                     haveWDay = TRUE;
                 }
 
                     haveWDay = TRUE;
                 }

-                else
+                else // not a valid weekday name

                 {
                     // try the ordinals
                     static const wxChar *ordinals[] =
                 {
                     // try the ordinals
                     static const wxChar *ordinals[] =


@@ -3203,7 +3484,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                         wxTRANSLATE("nineteenth"),
                         wxTRANSLATE("twentieth"),
                         // that's enough - otherwise we'd have problems with
                         wxTRANSLATE("nineteenth"),
                         wxTRANSLATE("twentieth"),
                         // that's enough - otherwise we'd have problems with

-                        // composite (or not) ordinals otherwise
+                        // composite (or not) ordinals

                     };
 
                     size_t n;
                     };
 
                     size_t n;


@@ -3232,7 +3513,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
 
                     haveDay = TRUE;
 
 
                     haveDay = TRUE;
 

-                    day = n + 1;
+                    day = (wxDateTime_t)(n + 1);

                 }
             }
         }
                 }
             }
         }


@@ -3269,7 +3550,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
                 mon = (wxDateTime::Month)(day - 1);
 
                 // we're in the current year then
                 mon = (wxDateTime::Month)(day - 1);
 
                 // we're in the current year then

-                if ( year <= GetNumOfDaysInMonth(Inv_Year, mon) )
+                if ( (year > 0) && (year <= (int)GetNumOfDaysInMonth(Inv_Year, mon)) )

                 {
                     day = year;
 
                 {
                     day = year;
 


@@ -3356,14 +3637,19 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time)
         size_t len = timeString.length();
         if ( timeString.CmpNoCase(wxString(time, len)) == 0 )
         {
         size_t len = timeString.length();
         if ( timeString.CmpNoCase(wxString(time, len)) == 0 )
         {

-            Set(stdTimes[n].hour, 0, 0);
+            // casts required by DigitalMars
+            Set(stdTimes[n].hour, wxDateTime_t(0), wxDateTime_t(0));

 
             return time + len;
         }
     }
 
 
             return time + len;
         }
     }
 

-    // try all time formats we may think about starting with the standard one
-    const wxChar *result = ParseFormat(time, _T("%X"));
+    // 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 )
     {
         // normally, it's the same, but why not try it?
     if ( !result )
     {
         // normally, it's the same, but why not try it?


@@ -3372,8 +3658,8 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time)
 
     if ( !result )
     {
 
     if ( !result )
     {

-        // 12hour with AM/PM?
-        result = ParseFormat(time, _T("%I:%M:%S %p"));
+        // 12hour with AM/PM but without seconds?
+        result = ParseFormat(time, _T("%I:%M %p"));

     }
 
     if ( !result )
     }
 
     if ( !result )


@@ -3384,8 +3670,8 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time)
 
     if ( !result )
     {
 
     if ( !result )
     {

-        // 12hour with AM/PM but without seconds?
-        result = ParseFormat(time, _T("%I:%M %p"));
+        // just the hour and AM/PM?
+        result = ParseFormat(time, _T("%I %p"));

     }
 
     if ( !result )
     }
 
     if ( !result )


@@ -3396,8 +3682,9 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time)
 
     if ( !result )
     {
 
     if ( !result )
     {

-        // just the hour and AM/PM?
-        result = ParseFormat(time, _T("%I %p"));
+        // 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
     }
 
     // TODO: parse timezones


@@ -3418,6 +3705,19 @@ bool wxDateTime::IsWorkDay(Country WXUNUSED(country)) const
 // wxTimeSpan
 // ============================================================================
 
 // wxTimeSpan
 // ============================================================================
 

+// this enum is only used in wxTimeSpan::Format() below but we can't declare
+// it locally to the method as it provokes an internal compiler error in egcs
+// 2.91.60 when building with -O2
+enum TimeSpanPart
+{
+    Part_Week,
+    Part_Day,
+    Part_Hour,
+    Part_Min,
+    Part_Sec,
+    Part_MSec
+};
+

 // not all strftime(3) format specifiers make sense here because, for example,
 // a time span doesn't have a year nor a timezone
 //
 // not all strftime(3) format specifiers make sense here because, for example,
 // a time span doesn't have a year nor a timezone
 //


@@ -3441,13 +3741,33 @@ wxString wxTimeSpan::Format(const wxChar *format) const
     wxString str;
     str.Alloc(wxStrlen(format));
 
     wxString str;
     str.Alloc(wxStrlen(format));
 

+    // Suppose we have wxTimeSpan ts(1 /* hour */, 2 /* min */, 3 /* sec */)
+    //
+    // Then, of course, ts.Format("%H:%M:%S") must return "01:02:03", but the
+    // question is what should ts.Format("%S") do? The code here returns "3273"
+    // in this case (i.e. the total number of seconds, not just seconds % 60)
+    // because, for me, this call means "give me entire time interval in
+    // seconds" and not "give me the seconds part of the time interval"
+    //
+    // If we agree that it should behave like this, it is clear that the
+    // interpretation of each format specifier depends on the presence of the
+    // other format specs in the string: if there was "%H" before "%M", we
+    // should use GetMinutes() % 60, otherwise just GetMinutes() &c
+
+    // we remember the most important unit found so far
+    TimeSpanPart partBiggest = Part_MSec;
+

     for ( const wxChar *pch = format; *pch; pch++ )
     {
         wxChar ch = *pch;
 
         if ( ch == _T('%') )
         {
     for ( const wxChar *pch = format; *pch; pch++ )
     {
         wxChar ch = *pch;
 
         if ( ch == _T('%') )
         {

-            wxString tmp;
+            // the start of the format specification of the printf() below
+            wxString fmtPrefix = _T('%');
+
+            // the number
+            long n;

 
             ch = *++pch;    // get the format spec char
             switch ( ch )
 
             ch = *++pch;    // get the format spec char
             switch ( ch )


@@ -3457,44 +3777,90 @@ wxString wxTimeSpan::Format(const wxChar *format) const
                     // fall through
 
                 case _T('%'):
                     // fall through
 
                 case _T('%'):

-                    // will get to str << ch below
-                    break;
+                    str += ch;
+
+                    // skip the part below switch
+                    continue;

 
                 case _T('D'):
 
                 case _T('D'):

-                    tmp.Printf(_T("%d"), GetDays());
+                    n = GetDays();
+                    if ( partBiggest < Part_Day )
+                    {
+                        n %= DAYS_PER_WEEK;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Day;
+                    }

                     break;
 
                 case _T('E'):
                     break;
 
                 case _T('E'):

-                    tmp.Printf(_T("%d"), GetWeeks());
+                    partBiggest = Part_Week;
+                    n = GetWeeks();

                     break;
 
                 case _T('H'):
                     break;
 
                 case _T('H'):

-                    tmp.Printf(_T("%02d"), GetHours());
+                    n = GetHours();
+                    if ( partBiggest < Part_Hour )
+                    {
+                        n %= HOURS_PER_DAY;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Hour;
+                    }
+
+                    fmtPrefix += _T("02");

                     break;
 
                 case _T('l'):
                     break;
 
                 case _T('l'):

-                    tmp.Printf(_T("%03ld"), GetMilliseconds().ToLong());
+                    n = GetMilliseconds().ToLong();
+                    if ( partBiggest < Part_MSec )
+                    {
+                        n %= 1000;
+                    }
+                    //else: no need to reset partBiggest to Part_MSec, it is
+                    //      the least significant one anyhow
+
+                    fmtPrefix += _T("03");

                     break;
 
                 case _T('M'):
                     break;
 
                 case _T('M'):

-                    tmp.Printf(_T("%02d"), GetMinutes());
+                    n = GetMinutes();
+                    if ( partBiggest < Part_Min )
+                    {
+                        n %= MIN_PER_HOUR;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Min;
+                    }
+
+                    fmtPrefix += _T("02");

                     break;
 
                 case _T('S'):
                     break;
 
                 case _T('S'):

-                    tmp.Printf(_T("%02ld"), GetSeconds().ToLong());
+                    n = GetSeconds().ToLong();
+                    if ( partBiggest < Part_Sec )
+                    {
+                        n %= SEC_PER_MIN;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Sec;
+                    }
+
+                    fmtPrefix += _T("02");

                     break;
             }
 
                     break;
             }
 

-            if ( !!tmp )
-            {
-                str += tmp;
-
-                // skip str += ch below
-                continue;
-            }
+            str += wxString::Format(fmtPrefix + _T("ld"), n);
+        }
+        else
+        {
+            // normal character, just copy
+            str += ch;

         }
         }

-
-        str += ch;

     }
 
     return str;
     }
 
     return str;


@@ -3526,7 +3892,7 @@ wxHolidayAuthoritiesArray wxDateTimeHolidayAuthority::ms_authorities;
 /* static */
 bool wxDateTimeHolidayAuthority::IsHoliday(const wxDateTime& dt)
 {
 /* static */
 bool wxDateTimeHolidayAuthority::IsHoliday(const wxDateTime& dt)
 {

-    size_t count = ms_authorities.GetCount();
+    size_t count = ms_authorities.size();

     for ( size_t n = 0; n < count; n++ )
     {
         if ( ms_authorities[n]->DoIsHoliday(dt) )
     for ( size_t n = 0; n < count; n++ )
     {
         if ( ms_authorities[n]->DoIsHoliday(dt) )


@@ -3546,9 +3912,9 @@ wxDateTimeHolidayAuthority::GetHolidaysInRange(const wxDateTime& dtStart,
 {
     wxDateTimeArray hol;
 
 {
     wxDateTimeArray hol;
 

-    holidays.Empty();
+    holidays.Clear();

 
 

-    size_t count = ms_authorities.GetCount();
+    size_t count = ms_authorities.size();

     for ( size_t nAuth = 0; nAuth < count; nAuth++ )
     {
         ms_authorities[nAuth]->DoGetHolidaysInRange(dtStart, dtEnd, hol);
     for ( size_t nAuth = 0; nAuth < count; nAuth++ )
     {
         ms_authorities[nAuth]->DoGetHolidaysInRange(dtStart, dtEnd, hol);


@@ -3558,7 +3924,7 @@ wxDateTimeHolidayAuthority::GetHolidaysInRange(const wxDateTime& dtStart,
 
     holidays.Sort(wxDateTimeCompareFunc);
 
 
     holidays.Sort(wxDateTimeCompareFunc);
 

-    return holidays.GetCount();
+    return holidays.size();

 }
 
 /* static */
 }
 
 /* static */


@@ -3570,7 +3936,12 @@ void wxDateTimeHolidayAuthority::ClearAllAuthorities()
 /* static */
 void wxDateTimeHolidayAuthority::AddAuthority(wxDateTimeHolidayAuthority *auth)
 {
 /* static */
 void wxDateTimeHolidayAuthority::AddAuthority(wxDateTimeHolidayAuthority *auth)
 {

-    ms_authorities.Add(auth);
+    ms_authorities.push_back(auth);
+}
+
+wxDateTimeHolidayAuthority::~wxDateTimeHolidayAuthority()
+{
+    // nothing to do here

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


@@ -3618,4 +3989,4 @@ size_t wxDateTimeWorkDays::DoGetHolidaysInRange(const wxDateTime& dtStart,
     return holidays.GetCount();
 }
 
     return holidays.GetCount();
 }
 

-
+#endif // wxUSE_DATETIME