BC++ compialtion fix (?)

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

diff --git a/src/common/datetime.cpp b/src/common/datetime.cpp
index 99d5d7f0c85c734091bd6bf4a6c1f8be0307ddf7..8ca53f3b258e2b0676ac854b88c2d187d83921b9 100644 (file)
--- a/src/common/datetime.cpp
+++ b/src/common/datetime.cpp
@@ -92,7 +92,7 @@
 #endif // broken strptime()
 
 #ifndef WX_TIMEZONE
-    #if defined(__MINGW32__) || defined(__VISAGECPP__)
+    #if defined(__BORLANDC__) || defined(__MINGW32__) || defined(__VISAGECPP__)
         #define WX_TIMEZONE _timezone
     #else // unknown platform - try timezone
         #define WX_TIMEZONE timezone
@@ -584,7 +584,6 @@ wxDateTime::Month wxDateTime::GetCurrentMonth(wxDateTime::Calendar cal)
     {
         case Gregorian:
             return Now().GetMonth();
-            break;
 
         case Julian:
             wxFAIL_MSG(_T("TODO"));
@@ -612,7 +611,6 @@ wxDateTime::wxDateTime_t wxDateTime::GetNumberOfDays(int year, Calendar cal)
         case Gregorian:
         case Julian:
             return IsLeapYear(year) ? 366 : 365;
-            break;
 
         default:
             wxFAIL_MSG(_T("unsupported calendar"));
@@ -835,7 +833,8 @@ wxDateTime wxDateTime::GetBeginDST(int year, Country country)
 
         dt += wxTimeSpan::Hours(1);
 
-        dt.MakeGMT();
+        // disable DST tests because it could result in an infinite recursion!
+        dt.MakeGMT(TRUE);
     }
     else switch ( country )
     {
@@ -935,7 +934,8 @@ wxDateTime wxDateTime::GetEndDST(int year, Country country)
 
         dt += wxTimeSpan::Hours(1);
 
-        dt.MakeGMT();
+        // disable DST tests because it could result in an infinite recursion!
+        dt.MakeGMT(TRUE);
     }
     else switch ( country )
     {
@@ -1117,7 +1117,7 @@ wxDateTime& wxDateTime::Set(double jdn)
 
     jdn *= MILLISECONDS_PER_DAY;
 
-    m_time = jdn;
+    m_time.Assign(jdn);
 
     return *this;
 }
@@ -1128,6 +1128,9 @@ wxDateTime& wxDateTime::Set(double jdn)
 
 wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
 {
+#ifdef __VMS__
+   int time2;
+#endif
     wxASSERT_MSG( IsValid(), _T("invalid wxDateTime") );
 
     time_t time = GetTicks();
@@ -1146,7 +1149,12 @@ wxDateTime::Tm wxDateTime::GetTm(const TimeZone& tz) const
         else
         {
             time += tz.GetOffset();
-            if ( time >= 0 )
+#ifdef __VMS__ /* time is unsigned so VMS gives a warning on the original */
+          time2 = (int) time;
+          if ( time2 >= 0 )
+#else
+          if ( time >= 0 )
+#endif
             {
                 tm = gmtime(&time);
 
@@ -1499,7 +1507,7 @@ wxDateTime::wxDateTime_t wxDateTime::GetDayOfYear(const TimeZone& tz) const
 
 wxDateTime::wxDateTime_t wxDateTime::GetWeekOfYear(const TimeZone& tz) const
 {
-#if 0
+#if 1
     // the first week of the year is the one which contains Jan, 4 (according
     // to ISO standard rule), so the year day N0 = 4 + 7*W always lies in the
     // week W+1. As any day N = 7*W + 4 + (N - 4)%7, it lies in the same week
@@ -1521,8 +1529,9 @@ wxDateTime::wxDateTime_t wxDateTime::GetWeekOfYear(const TimeZone& tz) const
     }
 
     return week;
-#else // this seems to be a bit simpler and I believe is also correct
-    return (WeekDay)((GetDayOfYear() - (GetWeekDay() - 1 + 7) % 7 + 7) / 7);
+#else // 0
+    // an attempt at doing it simpler - but this doesn't quite work...
+    return (WeekDay)((GetDayOfYear(tz) - (GetWeekDay(tz) - 1 + 7) % 7 + 7) / 7);
 #endif // 0/1
 }
 
@@ -1622,12 +1631,13 @@ int wxDateTime::IsDST(wxDateTime::Country country) const
     }
 }
 
-wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz)
+wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz, bool noDST)
 {
     int secDiff = GetTimeZone() + tz.GetOffset();
 
-    // we need to know whether DST is or not in effect for this date
-    if ( IsDST() == 1 )
+    // we need to know whether DST is or not in effect for this date unless
+    // the test disabled by the caller
+    if ( !noDST && (IsDST() == 1) )
     {
         // FIXME we assume that the DST is always shifted by 1 hour
         secDiff -= 3600;
@@ -1642,6 +1652,9 @@ wxDateTime& wxDateTime::MakeTimezone(const TimeZone& tz)
 
 wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
 {
+#ifdef __VMS__
+   int time2;
+#endif
     wxCHECK_MSG( format, _T(""), _T("NULL format in wxDateTime::Format") );
 
     time_t time = GetTicks();
@@ -1661,7 +1674,12 @@ wxString wxDateTime::Format(const wxChar *format, const TimeZone& tz) const
         {
             time += tz.GetOffset();
 
+#ifdef __VMS__ /* time is unsigned so VMS gives a warning on the original */
+            time2 = (int) time;
+            if ( time2 >= 0 )
+#else
             if ( time >= 0 )
+#endif
             {
                 tm = gmtime(&time);
 
@@ -2277,7 +2295,7 @@ const wxChar *wxDateTime::ParseRfc822Date(const wxChar* date)
 
     // the spec was correct
     Set(day, mon, year, hour, min, sec);
-    MakeTimezone(60*offset);
+    MakeTimezone((wxDateTime_t)(60*offset));
 
     return p;
 }
@@ -2381,7 +2399,7 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
 
                     // this is the format which corresponds to ctime() output
                     // and strptime("%c") should parse it, so try it first
-                    static const wxChar *fmtCtime = _T("%a %b %e %H:%M:%S %Y");
+                    static const wxChar *fmtCtime = _T("%a %b %d %H:%M:%S %Y");
 
                     const wxChar *result = dt.ParseFormat(input, fmtCtime);
                     if ( !result )
@@ -2607,18 +2625,27 @@ const wxChar *wxDateTime::ParseFormat(const wxChar *date,
                 {
                     wxDateTime dt;
 
-                    wxString fmtDate;
+                    wxString fmtDate, fmtDateAlt;
                     if ( IsWestEuropeanCountry(GetCountry()) ||
                          GetCountry() == Russia )
                     {
                         fmtDate = _T("%d/%m/%y");
+                        fmtDateAlt = _T("%m/%d/%y");
                     }
                     else // assume USA
                     {
                         fmtDate = _T("%m/%d/%y");
+                        fmtDateAlt = _T("%d/%m/%y");
                     }
 
                     const wxChar *result = dt.ParseFormat(input, fmtDate);
+
+                    if ( !result )
+                    {
+                        // ok, be nice and try another one
+                        result = dt.ParseFormat(input, fmtDateAlt);
+                    }
+
                     if ( !result )
                     {
                         // bad luck