Fixed the drawing of the HRules so they don't try to iterate over all

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

diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp
index 5cceff453a28e1c34e91aa3229befe71f88ae983..672a97e7a96c8cd97a3cf54a427e2af21f91df6f 100644 (file)
--- a/src/common/datetime.cpp
+++ b/src/common/datetime.cpp
@@ -63,12 +63,14 @@
     #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"


@@ -78,6 +80,7 @@
 #include <ctype.h>
 
 #include "wx/datetime.h"
 #include <ctype.h>
 
 #include "wx/datetime.h"

+#include "wx/timer.h"           // for wxGetLocalTimeMillis()

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


@@ -98,13 +101,26 @@
     #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
         #define WX_TIMEZONE _timezone
     #elif defined(__MWERKS__)
     #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
         #define WX_TIMEZONE _timezone
     #elif defined(__MWERKS__)

-       long wxmw_timezone = 28800;
-       #define WX_TIMEZONE wxmw_timezone ;
+        long wxmw_timezone = 28800;
+        #define WX_TIMEZONE wxmw_timezone;

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

+// ----------------------------------------------------------------------------
+// macros
+// ----------------------------------------------------------------------------
+
+// debugging helper: just a convenient replacement of wxCHECK()
+#define wxDATETIME_CHECK(expr, msg)     \
+        if ( !(expr) )                  \
+        {                               \
+            wxFAIL_MSG(msg);            \
+            *this = wxInvalidDateTime;  \
+            return *this;               \
+        }
+

 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // private classes
 // ----------------------------------------------------------------------------


@@ -138,10 +154,16 @@ 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


@@ -172,9 +194,12 @@ static const wxDateTime::wxDateTime_t gs_cumulatedDays[2][MONTHS_IN_YEAR] =
 // global data
 // ----------------------------------------------------------------------------
 
 // global data
 // ----------------------------------------------------------------------------
 

-static wxDateTime gs_dtDefault;
+// in the fine tradition of ANSI C we use our equivalent of (time_t)-1 to
+// indicate an invalid wxDateTime object

 
 

-wxDateTime& wxDefaultDateTime = gs_dtDefault;
+static const wxDateTime gs_dtDefault;
+
+const wxDateTime& wxDefaultDateTime = gs_dtDefault;

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


@@ -231,9 +256,9 @@ static int GetTimeZone()
     {
         // just call localtime() instead of figuring out whether this system
         // supports tzset(), _tzset() or something else
     {
         // 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;

 
 

+        (void)localtime(&t);

         s_timezoneSet = TRUE;
     }
 
         s_timezoneSet = TRUE;
     }
 


@@ -390,13 +415,17 @@ static wxDateTime::WeekDay GetWeekDayFromName(const wxString& name, int flags)
     return wd;
 }
 
     return wd;
 }
 

-// scans all digits and returns the resulting number
-static bool GetNumericToken(const wxChar*& p, unsigned long *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)

 {
 {

+    size_t n = 1;

     wxString s;
     while ( wxIsdigit(*p) )
     {
         s += *p++;
     wxString s;
     while ( wxIsdigit(*p) )
     {
         s += *p++;

+
+        if ( len && ++n > len )
+            break;

     }
 
     return !!s && s.ToULong(number);
     }
 
     return !!s && s.ToULong(number);


@@ -1032,11 +1061,15 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country)
 // constructors and assignment operators
 // ----------------------------------------------------------------------------
 
 // constructors and assignment operators
 // ----------------------------------------------------------------------------
 

+// return the current time with ms precision
+/* static */ wxDateTime wxDateTime::UNow()
+{
+    return wxDateTime(wxGetLocalTimeMillis());
+}
+

 // 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);
 


@@ -1060,7 +1093,9 @@ wxDateTime& wxDateTime::Set(const struct tm& tm)
 
         wxFAIL_MSG( _T("mktime() failed") );
 
 
         wxFAIL_MSG( _T("mktime() failed") );
 

-        return wxInvalidDateTime;
+        *this = wxInvalidDateTime;
+
+        return *this;

     }
     else
     {
     }
     else
     {


@@ -1073,18 +1108,18 @@ 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
     // we allow seconds to be 61 to account for the leap seconds, even if we
     // don't use them really

-    wxCHECK_MSG( hour < 24 && second < 62 && minute < 60 && millisec < 1000,
-                 wxInvalidDateTime,
-                 _T("Invalid time in wxDateTime::Set()") );
+    wxDATETIME_CHECK( hour < 24 &&
+                      second < 62 &&
+                      minute < 60 &&
+                      millisec < 1000,
+                      _T("Invalid time in wxDateTime::Set()") );

 
     // get the current date from system
     struct tm *tm = GetTmNow();
 
 
     // get the current date from system
     struct tm *tm = GetTmNow();
 

-    wxCHECK_MSG( tm, wxInvalidDateTime, _T("localtime() failed") );
+    wxDATETIME_CHECK( tm, _T("localtime() failed") );

 
     // adjust the time
     tm->tm_hour = hour;
 
     // adjust the time
     tm->tm_hour = hour;


@@ -1105,17 +1140,16 @@ wxDateTime& wxDateTime::Set(wxDateTime_t day,
                             wxDateTime_t second,
                             wxDateTime_t millisec)
 {
                             wxDateTime_t second,
                             wxDateTime_t millisec)
 {

-    wxASSERT_MSG( IsValid(), _T("invalid wxDateTime") );
-
-    wxCHECK_MSG( hour < 24 && second < 62 && minute < 60 && millisec < 1000,
-                 wxInvalidDateTime,
-                 _T("Invalid time in wxDateTime::Set()") );
+    wxDATETIME_CHECK( hour < 24 &&
+                      second < 62 &&
+                      minute < 60 &&
+                      millisec < 1000,
+                      _T("Invalid time in wxDateTime::Set()") );

 
     ReplaceDefaultYearMonthWithCurrent(&year, &month);
 
 
     ReplaceDefaultYearMonthWithCurrent(&year, &month);
 

-    wxCHECK_MSG( (0 < day) && (day <= GetNumberOfDays(month, year)),
-                 wxInvalidDateTime,
-                 _T("Invalid date in wxDateTime::Set()") );
+    wxDATETIME_CHECK( (0 < day) && (day <= GetNumberOfDays(month, year)),
+                      _T("Invalid date in wxDateTime::Set()") );

 
     // the range of time_t type (inclusive)
     static const int yearMinInRange = 1970;
 
     // the range of time_t type (inclusive)
     static const int yearMinInRange = 1970;


@@ -1207,12 +1241,12 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
             tm = localtime(&time);
 
             // should never happen
             tm = localtime(&time);
 
             // should never happen

-            wxCHECK_MSG( tm, Tm(), _T("gmtime() failed") );
+            wxCHECK_MSG( tm, Tm(), _T("localtime() failed") );

         }
         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


@@ -1232,7 +1266,11 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
 
         if ( tm )
         {
 
         if ( tm )
         {

-            return Tm(*tm, tz);
+            // adjust the milliseconds
+            Tm tm2(*tm, tz);
+            long timeOnly = (m_time % MILLISECONDS_PER_DAY).ToLong();
+            tm2.msec = (wxDateTime_t)(timeOnly % 1000);
+            return tm2;

         }
         //else: use generic code below
     }
         }
         //else: use generic code below
     }


@@ -1294,8 +1332,6 @@ 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;


@@ -1464,7 +1500,7 @@ wxDateTime& wxDateTime::SetToLastMonthDay(Month month,
 
 wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday)
 {
 
 wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday)
 {

-    wxCHECK_MSG( weekday != Inv_WeekDay, wxInvalidDateTime, _T("invalid weekday") );
+    wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") );

 
     WeekDay wdayThis = GetWeekDay();
     if ( weekday == wdayThis )
 
     WeekDay wdayThis = GetWeekDay();
     if ( weekday == wdayThis )


@@ -1474,7 +1510,7 @@ wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday)
     }
     else if ( weekday < wdayThis )
     {
     }
     else if ( weekday < wdayThis )
     {

-        return Substract(wxDateSpan::Days(wdayThis - weekday));
+        return Subtract(wxDateSpan::Days(wdayThis - weekday));

     }
     else // weekday > wdayThis
     {
     }
     else // weekday > wdayThis
     {


@@ -1484,7 +1520,7 @@ wxDateTime& wxDateTime::SetToWeekDayInSameWeek(WeekDay weekday)
 
 wxDateTime& wxDateTime::SetToNextWeekDay(WeekDay weekday)
 {
 
 wxDateTime& wxDateTime::SetToNextWeekDay(WeekDay weekday)
 {

-    wxCHECK_MSG( weekday != Inv_WeekDay, wxInvalidDateTime, _T("invalid weekday") );
+    wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") );

 
     int diff;
     WeekDay wdayThis = GetWeekDay();
 
     int diff;
     WeekDay wdayThis = GetWeekDay();


@@ -1508,7 +1544,7 @@ wxDateTime& wxDateTime::SetToNextWeekDay(WeekDay weekday)
 
 wxDateTime& wxDateTime::SetToPrevWeekDay(WeekDay weekday)
 {
 
 wxDateTime& wxDateTime::SetToPrevWeekDay(WeekDay weekday)
 {

-    wxCHECK_MSG( weekday != Inv_WeekDay, wxInvalidDateTime, _T("invalid weekday") );
+    wxDATETIME_CHECK( weekday != Inv_WeekDay, _T("invalid weekday") );

 
     int diff;
     WeekDay wdayThis = GetWeekDay();
 
     int diff;
     WeekDay wdayThis = GetWeekDay();


@@ -1527,7 +1563,7 @@ wxDateTime& wxDateTime::SetToPrevWeekDay(WeekDay weekday)
         diff = wdayThis - weekday;
     }
 
         diff = wdayThis - weekday;
     }
 

-    return Substract(wxDateSpan::Days(diff));
+    return Subtract(wxDateSpan::Days(diff));

 }
 
 bool wxDateTime::SetToWeekDay(WeekDay weekday,
 }
 
 bool wxDateTime::SetToWeekDay(WeekDay weekday,


@@ -1656,8 +1692,8 @@ wxDateTime::wxDateTime_t wxDateTime::GetWeekOfMonth(wxDateTime::WeekFlags flags,
 wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday)
 {
     int year = GetYear();
 wxDateTime& wxDateTime::SetToYearDay(wxDateTime::wxDateTime_t yday)
 {
     int year = GetYear();

-    wxCHECK_MSG( (0 < yday) && (yday <= GetNumberOfDays(year)),
-                 wxInvalidDateTime, _T("invalid year day") );
+    wxDATETIME_CHECK( (0 < yday) && (yday <= GetNumberOfDays(year)),
+                      _T("invalid year day") );

 
     bool isLeap = IsLeapYear(year);
     for ( Month mon = Jan; mon < Inv_Month; wxNextMonth(mon) )
 
     bool isLeap = IsLeapYear(year);
     for ( Month mon = Jan; mon < Inv_Month; wxNextMonth(mon) )


@@ -1745,7 +1781,7 @@ wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz, bool noDST)
         secDiff -= 3600;
     }
 
         secDiff -= 3600;
     }
 

-    return Substract(wxTimeSpan::Seconds(secDiff));
+    return Subtract(wxTimeSpan::Seconds(secDiff));

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


@@ -1756,8 +1792,10 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
 {
     wxCHECK_MSG( format, _T(""), _T("NULL format in wxDateTime::Format") );
 
 {
     wxCHECK_MSG( format, _T(""), _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

     time_t time = GetTicks();
     time_t time = GetTicks();

-    if ( time != (time_t)-1 )
+    if ( (time != (time_t)-1) && !wxStrstr(format, _T("%l")) )

     {
         // use strftime()
         tm *tm;
     {
         // use strftime()
         tm *tm;


@@ -1773,7 +1811,7 @@ 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


@@ -1799,7 +1837,8 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
     }
 
     // we only parse ANSI C format specifications here, no POSIX 2
     }
 
     // we only parse ANSI C format specifications here, no POSIX 2

-    // complications, no GNU extensions
+    // complications, no GNU extensions but we do add support for a "%l" format
+    // specifier allowing to get the number of milliseconds

     Tm tm = GetTm(tz);
 
     // used for calls to strftime() when we only deal with time
     Tm tm = GetTm(tz);
 
     // used for calls to strftime() when we only deal with time


@@ -1833,6 +1872,7 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
                 break;
 
             case _T('j'):               // day of year has 3 digits
                 break;
 
             case _T('j'):               // day of year has 3 digits

+            case _T('l'):               // milliseconds have 3 digits

                 fmt = _T("%03d");
                 break;
 
                 fmt = _T("%03d");
                 break;
 


@@ -2019,6 +2059,10 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
                     res += wxString::Format(fmt, GetDayOfYear(tz));
                     break;
 
                     res += wxString::Format(fmt, GetDayOfYear(tz));
                     break;
 

+                case _T('l'):       // milliseconds (NOT STANDARD)
+                    res += wxString::Format(fmt, GetMillisecond(tz));
+                    break;
+

                 case _T('m'):       // month as a number (01-12)
                     res += wxString::Format(fmt, tm.mon + 1);
                     break;
                 case _T('m'):       // month as a number (01-12)
                     res += wxString::Format(fmt, tm.mon + 1);
                     break;


@@ -2466,7 +2510,17 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         }
 
         // start of a format specification
         }
 
         // start of a format specification

-        switch ( *++fmt )
+
+        // parse the optional width
+        size_t width = 0;
+        while ( isdigit(*++fmt) )
+        {
+            width *= 10;
+            width += *fmt - _T('0');
+        }
+
+        // then the format itself
+        switch ( *fmt )

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


@@ -2539,7 +2593,8 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('d'):       // day of a month (01-31)
                 break;
 
             case _T('d'):       // day of a month (01-31)

-                if ( !GetNumericToken(input, &num) || (num > 31) )
+                if ( !GetNumericToken(width, input, &num) ||
+                        (num > 31) || (num < 1) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2552,7 +2607,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('H'):       // hour in 24h format (00-23)
                 break;
 
             case _T('H'):       // hour in 24h format (00-23)

-                if ( !GetNumericToken(input, &num) || (num > 23) )
+                if ( !GetNumericToken(width, input, &num) || (num > 23) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2563,7 +2618,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('I'):       // hour in 12h format (01-12)
                 break;
 
             case _T('I'):       // hour in 12h format (01-12)

-                if ( !GetNumericToken(input, &num) || !num || (num > 12) )
+                if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2575,7 +2630,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('j'):       // day of the year
                 break;
 
             case _T('j'):       // day of the year

-                if ( !GetNumericToken(input, &num) || !num || (num > 366) )
+                if ( !GetNumericToken(width, input, &num) || !num || (num > 366) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2586,7 +2641,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('m'):       // month as a number (01-12)
                 break;
 
             case _T('m'):       // month as a number (01-12)

-                if ( !GetNumericToken(input, &num) || !num || (num > 12) )
+                if ( !GetNumericToken(width, input, &num) || !num || (num > 12) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2597,7 +2652,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('M'):       // minute as a decimal number (00-59)
                 break;
 
             case _T('M'):       // minute as a decimal number (00-59)

-                if ( !GetNumericToken(input, &num) || (num > 59) )
+                if ( !GetNumericToken(width, input, &num) || (num > 59) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2661,7 +2716,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 }
 
             case _T('S'):       // second as a decimal number (00-61)
                 }
 
             case _T('S'):       // second as a decimal number (00-61)

-                if ( !GetNumericToken(input, &num) || (num > 61) )
+                if ( !GetNumericToken(width, input, &num) || (num > 61) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2691,7 +2746,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('w'):       // weekday as a number (0-6), Sunday = 0
                 break;
 
             case _T('w'):       // weekday as a number (0-6), Sunday = 0

-                if ( !GetNumericToken(input, &num) || (wday > 6) )
+                if ( !GetNumericToken(width, input, &num) || (wday > 6) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2820,18 +2875,21 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 break;
 
             case _T('y'):       // year without century (00-99)
                 break;
 
             case _T('y'):       // year without century (00-99)

-                if ( !GetNumericToken(input, &num) || (num > 99) )
+                if ( !GetNumericToken(width, input, &num) || (num > 99) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 }
 
                 haveYear = TRUE;
                 {
                     // no match
                     return (wxChar *)NULL;
                 }
 
                 haveYear = TRUE;

-                year = 1900 + (wxDateTime_t)num;
+
+                // TODO should have an option for roll over date instead of
+                //      hard coding it here
+                year = (num > 30 ? 1900 : 2000) + (wxDateTime_t)num;

                 break;
 
             case _T('Y'):       // year with century
                 break;
 
             case _T('Y'):       // year with century

-                if ( !GetNumericToken(input, &num) )
+                if ( !GetNumericToken(width, input, &num) )

                 {
                     // no match
                     return (wxChar *)NULL;
                 {
                     // no match
                     return (wxChar *)NULL;


@@ -2870,7 +2928,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
         // take this date as default
         tmDef = dateDef.GetTm();
     }
         // take this date as default
         tmDef = dateDef.GetTm();
     }

-    else if ( m_time != 0 )
+    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();


@@ -2987,7 +3045,7 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
     {
         wxString date = wxGetTranslation(literalDates[n].str);
         size_t len = date.length();
     {
         wxString date = wxGetTranslation(literalDates[n].str);
         size_t len = date.length();

-        if ( wxString(p, len).CmpNoCase(date) == 0 )
+        if ( wxStrlen(p) >= len && (wxString(p, len).CmpNoCase(date) == 0) )

         {
             // nothing can follow this, so stop here
             p += len;
         {
             // nothing can follow this, so stop here
             p += len;


@@ -3003,6 +3061,11 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
         }
     }
 
         }
     }
 

+    // We try to guess what we have here: for each new (numeric) token, we
+    // determine if it can be a month, day or a year. Of course, there is an
+    // ambiguity as some numbers may be days as well as months, so we also
+    // have the ability to back track.
+

     // what do we have?
     bool haveDay = FALSE,       // the months day?
          haveWDay = FALSE,      // the day of week?
     // what do we have?
     bool haveDay = FALSE,       // the months day?
          haveWDay = FALSE,      // the day of week?


@@ -3016,10 +3079,14 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
     int year = 0;
 
     // tokenize the string
     int year = 0;
 
     // tokenize the string

-    wxStringTokenizer tok(p, _T(",/-\t\n "));
+    size_t nPosCur = 0;
+    static const wxChar *dateDelimiters = _T(".,/-\t\n ");
+    wxStringTokenizer tok(p, dateDelimiters);

     while ( tok.HasMoreTokens() )
     {
         wxString token = tok.GetNextToken();
     while ( tok.HasMoreTokens() )
     {
         wxString token = tok.GetNextToken();

+        if ( !token )
+            continue;

 
         // is it a number?
         unsigned long val;
 
         // is it a number?
         unsigned long val;


@@ -3029,125 +3096,85 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
 
             bool isDay = FALSE,
                  isMonth = FALSE,
 
             bool isDay = FALSE,
                  isMonth = FALSE,

-                 // only years are counted from 0
-                 isYear = (val == 0) || (val > 31);
-            if ( !isYear )
+                 isYear = FALSE;
+
+            if ( !haveMon && val > 0 && val <= 12 )

             {
             {

-                // may be the month or month day or the year, assume the
-                // month day by default and fallback to month if the range
-                // allow it or to the year if our assumption doesn't work
-                if ( haveDay )
+                // assume it is month
+                isMonth = TRUE;
+            }
+            else // not the month
+            {
+                wxDateTime_t maxDays = haveMon
+                    ? GetNumOfDaysInMonth(haveYear ? year : Inv_Year, mon)
+                    : 31;
+
+                // can it be day?
+                if ( (val == 0) || (val > (unsigned long)maxDays) )  // cast to shut up compiler warning in BCC

                 {
                 {

-                    // we already have the day, so may only be a month or year
-                    if ( val > 12 )
-                    {
-                        isYear = TRUE;
-                    }
-                    else
-                    {
-                        isMonth = TRUE;
-                    }
+                    isYear = TRUE;

                 }
                 }

-                else // it may be day
+                else

                 {
                     isDay = TRUE;
                 {
                     isDay = TRUE;

-
-                    // check the range
-                    if ( haveMon )
-                    {
-                        if ( val > GetNumOfDaysInMonth(haveYear ? year
-                                                                : Inv_Year,
-                                                       mon) )
-                        {
-                            // oops, it can't be a day finally
-                            isDay = FALSE;
-
-                            if ( val > 12 )
-                            {
-                                isYear = TRUE;
-                            }
-                            else
-                            {
-                                isMonth = TRUE;
-                            }
-                        }
-                    }

                 }
             }
 
                 }
             }
 

-            // remember that we have this and stop the scan if it's the second
-            // time we find this, except for the day logic (see there)

             if ( isYear )
             {
                 if ( haveYear )
             if ( isYear )
             {
                 if ( haveYear )

-                {

                     break;
                     break;

-                }

 
                 haveYear = TRUE;
 
 
                 haveYear = TRUE;
 

-                // no roll over - 99 means 99, not 1999 for us

                 year = (wxDateTime_t)val;
             }
                 year = (wxDateTime_t)val;
             }

-            else if ( isMonth )
+            else if ( isDay )

             {
             {

-                if ( haveMon )
-                {
+                if ( haveDay )

                     break;
                     break;

-                }

 
 

-                haveMon = TRUE;
+                haveDay = TRUE;

 
 

-                mon = (wxDateTime::Month)val;
+                day = (wxDateTime_t)val;

             }
             }

-            else
+            else if ( isMonth )

             {
             {

-                wxASSERT_MSG( isDay, _T("logic error") );
-
-                if ( haveDay )
-                {
-                    // may be were mistaken when we found it for the first
-                    // time? may be it was a month or year instead?
-                    //
-                    // this ability to "backtrack" allows us to correctly parse
-                    // both things like 01/13 and 13/01 - but, of course, we
-                    // still can't resolve the ambiguity in 01/02 (it will be
-                    // Feb 1 for us, not Jan 2 as americans might expect!)
-                    if ( (day <= 12) && !haveMon )
-                    {
-                        // exchange day and month
-                        mon = (wxDateTime::Month)day;
-
-                        haveMon = TRUE;
-                    }
-                    else if ( !haveYear )
-                    {
-                        // exchange day and year
-                        year = day;
-
-                        haveYear = TRUE;
-                    }
-                }
-
-                haveDay = TRUE;
+                haveMon = TRUE;

 
 

-                day = (wxDateTime_t)val;
+                mon = (Month)(val - 1);

             }
         }
         else // not a number
         {
             }
         }
         else // not a number
         {

-            mon = GetMonthFromName(token, Name_Full | Name_Abbr);
-            if ( mon != Inv_Month )
+            // be careful not to overwrite the current mon value
+            Month mon2 = GetMonthFromName(token, Name_Full | Name_Abbr);
+            if ( mon2 != Inv_Month )

             {
                 // 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;
             }
                 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 )


@@ -3160,7 +3187,7 @@ 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[] =


@@ -3186,7 +3213,7 @@ 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;


@@ -3215,23 +3242,25 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
 
                     haveDay = TRUE;
 
 
                     haveDay = TRUE;
 

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

                 }
             }
         }
                 }
             }
         }

+
+        nPosCur = tok.GetPosition();

     }
 
     // either no more tokens or the scan was stopped by something we couldn't
     // parse - in any case, see if we can construct a date from what we have
     if ( !haveDay && !haveWDay )
     {
     }
 
     // either no more tokens or the scan was stopped by something we couldn't
     // parse - in any case, see if we can construct a date from what we have
     if ( !haveDay && !haveWDay )
     {

-        wxLogDebug(_T("no day, no weekday hence no date."));
+        wxLogDebug(_T("ParseDate: no day, no weekday hence no date."));

 
         return (wxChar *)NULL;
     }
 
     if ( haveWDay && (haveMon || haveYear || haveDay) &&
 
         return (wxChar *)NULL;
     }
 
     if ( haveWDay && (haveMon || haveYear || haveDay) &&

-         !(haveMon && haveMon && haveYear) )
+         !(haveDay && haveMon && haveYear) )

     {
         // without adjectives (which we don't support here) the week day only
         // makes sense completely separately or with the full date
     {
         // without adjectives (which we don't support here) the week day only
         // makes sense completely separately or with the full date


@@ -3239,6 +3268,38 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
         return (wxChar *)NULL;
     }
 
         return (wxChar *)NULL;
     }
 

+    if ( !haveWDay && haveYear && !(haveDay && haveMon) )
+    {
+        // may be we have month and day instead of day and year?
+        if ( haveDay && !haveMon )
+        {
+            if ( day <= 12  )
+            {
+                // exchange day and month
+                mon = (wxDateTime::Month)(day - 1);
+
+                // we're in the current year then
+                if ( (year > 0) &&
+                        (unsigned)year <= GetNumOfDaysInMonth(Inv_Year, mon) )
+                {
+                    day = year;
+
+                    haveMon = TRUE;
+                    haveYear = FALSE;
+                }
+                //else: no, can't exchange, leave haveMon == FALSE
+            }
+        }
+
+        if ( !haveMon )
+        {
+            // if we give the year, month and day must be given too
+            wxLogDebug(_T("ParseDate: day and month should be specified if year is."));
+
+            return (wxChar *)NULL;
+        }
+    }
+

     if ( !haveMon )
     {
         mon = GetCurrentMonth();
     if ( !haveMon )
     {
         mon = GetCurrentMonth();


@@ -3259,6 +3320,8 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
             if ( GetWeekDay() != wday )
             {
                 // inconsistency detected
             if ( GetWeekDay() != wday )
             {
                 // inconsistency detected

+                wxLogDebug(_T("ParseDate: inconsistent day/weekday."));
+

                 return (wxChar *)NULL;
             }
         }
                 return (wxChar *)NULL;
             }
         }


@@ -3270,8 +3333,16 @@ const wxChar *wxDateTime::ParseDate(const wxChar *date)
         SetToWeekDayInSameWeek(wday);
     }
 
         SetToWeekDayInSameWeek(wday);
     }
 

-    // return the pointer to the next char
-    return p + wxStrlen(p) - wxStrlen(tok.GetString());
+    // return the pointer to the first unparsed char
+    p += nPosCur;
+    if ( nPosCur && wxStrchr(dateDelimiters, *(p - 1)) )
+    {
+        // if we couldn't parse the token after the delimiter, put back the
+        // delimiter as well
+        p--;
+    }
+
+    return p;

 }
 
 const wxChar *wxDateTime::ParseTime(const wxChar *time)
 }
 
 const wxChar *wxDateTime::ParseTime(const wxChar *time)


@@ -3302,8 +3373,12 @@ const wxChar *wxDateTime::ParseTime(const wxChar *time)
         }
     }
 
         }
     }
 

-    // 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?


@@ -3312,8 +3387,8 @@ 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 )


@@ -3324,8 +3399,8 @@ 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 )


@@ -3336,8 +3411,9 @@ 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


@@ -3358,6 +3434,19 @@ 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
 //


@@ -3381,60 +3470,126 @@ wxString wxTimeSpan::Format(const wxChar *format) const
     wxString str;
     str.Alloc(wxStrlen(format));
 
     wxString str;
     str.Alloc(wxStrlen(format));
 

-    for ( const wxChar *pch = format; pch; pch++ )
+    // 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;
 
     {
         wxChar ch = *pch;
 

-        if ( ch == '%' )
+        if ( ch == _T('%') )

         {
         {

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

 
 

-            ch = *pch++;
+            ch = *++pch;    // get the format spec char

             switch ( ch )
             {
                 default:
                     wxFAIL_MSG( _T("invalid format character") );
                     // fall through
 
             switch ( ch )
             {
                 default:
                     wxFAIL_MSG( _T("invalid format character") );
                     // fall through
 

-                case '%':
-                    // will get to str << ch below
-                    break;
+                case _T('%'):
+                    str += ch;

 
 

-                case 'D':
-                    tmp.Printf(_T("%d"), GetDays());
-                    break;
+                    // skip the part below switch
+                    continue;

 
 

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

                     break;
 
                     break;
 

-                case 'H':
-                    tmp.Printf(_T("%02d"), GetHours());
+                case _T('E'):
+                    partBiggest = Part_Week;
+                    n = GetWeeks();

                     break;
 
                     break;
 

-                case 'l':
-                    tmp.Printf(_T("%03ld"), GetMilliseconds().ToLong());
+                case _T('H'):
+                    n = GetHours();
+                    if ( partBiggest < Part_Hour )
+                    {
+                        n %= HOURS_PER_DAY;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Hour;
+                    }
+
+                    fmtPrefix += _T("02");

                     break;
 
                     break;
 

-                case 'M':
-                    tmp.Printf(_T("%02d"), GetMinutes());
+                case _T('l'):
+                    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;
 
                     break;
 

-                case 'S':
-                    tmp.Printf(_T("%02ld"), GetSeconds().ToLong());
+                case _T('M'):
+                    n = GetMinutes();
+                    if ( partBiggest < Part_Min )
+                    {
+                        n %= MIN_PER_HOUR;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Min;
+                    }
+
+                    fmtPrefix += _T("02");

                     break;
                     break;

-            }

 
 

-            if ( !!tmp )
-            {
-                str += tmp;
+                case _T('S'):
+                    n = GetSeconds().ToLong();
+                    if ( partBiggest < Part_Sec )
+                    {
+                        n %= SEC_PER_MIN;
+                    }
+                    else
+                    {
+                        partBiggest = Part_Sec;
+                    }

 
 

-                // skip str += ch below
-                continue;
+                    fmtPrefix += _T("02");
+                    break;

             }
             }

-        }

 
 

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

     }
 
     return str;
     }
 
     return str;


@@ -3446,7 +3601,7 @@ wxString wxTimeSpan::Format(const wxChar *format) const
 
 #include "wx/arrimpl.cpp"
 
 
 #include "wx/arrimpl.cpp"
 

-WX_DEFINE_OBJARRAY(wxDateTimeArray)
+WX_DEFINE_OBJARRAY(wxDateTimeArray);

 
 static int wxCMPFUNC_CONV
 wxDateTimeCompareFunc(wxDateTime **first, wxDateTime **second)
 
 static int wxCMPFUNC_CONV
 wxDateTimeCompareFunc(wxDateTime **first, wxDateTime **second)


@@ -3558,4 +3713,4 @@ size_t wxDateTimeWorkDays::DoGetHolidaysInRange(const wxDateTime& dtStart,
     return holidays.GetCount();
 }
 
     return holidays.GetCount();
 }
 

-
+#endif // wxUSE_DATETIME