return a real empty value in readDateTime

1 files changed, 13 insertions, 3 deletions

diff --git a/microkde/kdecore/klocale.cpp b/microkde/kdecore/klocale.cpp
index 8b4513e..27acfec 100644
--- a/microkde/kdecore/klocale.cpp
+++ b/microkde/kdecore/klocale.cpp
@@ -86,786 +86,796 @@ KLocale::KLocale() : mCalendarSystem( 0 )
 
     mWeekStartsMonday = true;
     mHourF24Format = true;
     mIntDateFormat = Default;
     mIntTimeFormat = Default;
     mLanguage = 0;  
     mDateFormat = "%a %Y %b %d";
     mDateFormatShort = "%Y-%m-%d"; 
     mTimeZoneList << i18n ("-11:00 US/Samoa")
             << i18n ("-10:00 US/Hawaii")
             << i18n ("-09:00 US/Alaska")
             << i18n ("-08:00 US/Pacific")
             << i18n ("-07:00 US/Mountain")
             << i18n ("-06:00 US/Central")
             << i18n ("-05:00 US/Eastern")
             << i18n ("-04:00 Brazil/West")
             << i18n ("-03:00 Brazil/East")
             << i18n ("-02:00 Brazil/DeNoronha")
             << i18n ("-01:00 Atlantic/Azores")
             << i18n (" 00:00 Europe/London(UTC)")
             << i18n ("+01:00 Europe/Oslo(CET)")
             << i18n ("+02:00 Europe/Helsinki")
             << i18n ("+03:00 Europe/Moscow")
             << i18n ("+04:00 Indian/Mauritius")
             << i18n ("+05:00 Indian/Maldives")
             << i18n ("+06:00 Indian/Chagos")
             << i18n ("+07:00 Asia/Bangkok")
             << i18n ("+08:00 Asia/Hongkong")
             << i18n ("+09:00 Asia/Tokyo")
             << i18n ("+10:00 Asia/Vladivostok")
             << i18n ("+11:00 Asia/Magadan")
             << i18n ("+12:00 Asia/Kamchatka")
             //  << i18n (" xx:xx User defined offset")
             << i18n (" Local Time");
     mSouthDaylight = false;
     mTimeZoneOffset = 0;
     daylightEnabled = false;
 }
 
 void KLocale::setDateFormat( QString s )
 {
     mDateFormat = s;
 }
 
 void KLocale::setDateFormatShort( QString s )
 {
     mDateFormatShort = s;
 }
 
 void KLocale::setHore24Format ( bool b )
 {
     mHourF24Format = b;
 }
 void KLocale::setWeekStartMonday( bool b )
 {
     mWeekStartsMonday = b;
 }
 
 KLocale::IntDateFormat KLocale::getIntDateFormat( )
 {
     return mIntDateFormat;
 
 }
 void KLocale::setIntDateFormat( KLocale::IntDateFormat i )
 {
     mIntDateFormat = i;
 }
 KLocale::IntDateFormat KLocale::getIntTimeFormat( )
 {
     return mIntTimeFormat;
 
 }
 void KLocale::setIntTimeFormat( KLocale::IntDateFormat i )
 {
     mIntTimeFormat = i;
 }
 
 void KLocale::setLanguage( int i )
 {
     mLanguage = i;
 }
 QString KLocale::translate( const char *index ) const
 {
   return i18n( index );
 }
 
 QString KLocale::translate( const char *, const char *fallback) const
 {
   return i18n( fallback );
 }
 
 QString KLocale::formatTime(const QTime &pTime, bool includeSecs, IntDateFormat intIntDateFormat) const
 {
     const QString rst = timeFormat(intIntDateFormat);
 
     // only "pm/am" here can grow, the rest shrinks, but
     // I'm rather safe than sorry
     QChar *buffer = new QChar[rst.length() * 3 / 2 + 30];
 
     uint index = 0;
     bool escape = false;
     int number = 0;
 
     for ( uint format_index = 0; format_index < rst.length(); format_index++ )
         {
             if ( !escape )
                 {
                     if ( rst.at( format_index ).unicode() == '%' )
                         escape = true;
                     else
                         buffer[index++] = rst.at( format_index );
                 }
             else
                 {
                     switch ( rst.at( format_index ).unicode() )
                         {
                         case '%':
                             buffer[index++] = '%';
                             break;
                         case 'H':
                             put_it_in( buffer, index, pTime.hour() );
                             break;
                         case 'I':
                             put_it_in( buffer, index, ( pTime.hour() + 11) % 12 + 1 );
                             break;
                         case 'M':
                             put_it_in( buffer, index, pTime.minute() );
                             break;
                         case 'S':
                             if (includeSecs)
                                 put_it_in( buffer, index, pTime.second() );
                             else
                                 {
                                     // we remove the seperator sign before the seconds and
                                     // assume that works everywhere
                                     --index;
                                     break;
                                 }
                             break;
                         case 'k':
                             number = pTime.hour();
                         case 'l':
                             // to share the code
                             if ( rst.at( format_index ).unicode() == 'l' )
                                 number = (pTime.hour() + 11) % 12 + 1;
                             if ( number / 10 )
                                 buffer[index++] = number / 10 + '0';
                             buffer[index++] = number % 10 + '0';
                             break;
                         case 'p':
                             {
                                 QString s;
                                 if ( pTime.hour() >= 12 )
                                     put_it_in( buffer, index, i18n("pm") );
                                 else
                                     put_it_in( buffer, index, i18n("am") );
                                 break;
                             }
                         default:
                             buffer[index++] = rst.at( format_index );
                             break;
                         }
                     escape = false;
                 }
         }
     QString ret( buffer, index );
     delete [] buffer;
     return ret;
 }    
 
 QString KLocale::formatDate(const QDate &pDate, bool shortFormat, IntDateFormat intIntDateFormat) const
 {
   const QString rst = shortFormat?dateFormatShort(intIntDateFormat):dateFormat(intIntDateFormat);
 
   // I'm rather safe than sorry
   QChar *buffer = new QChar[rst.length() * 3 / 2 + 50];
 
   unsigned int index = 0;
   bool escape = false;
   int number = 0;
 
   for ( uint format_index = 0; format_index < rst.length(); ++format_index )
     {
       if ( !escape )
 	{
 	  if ( rst.at( format_index ).unicode() == '%' )
 	    escape = true;
 	  else
 	    buffer[index++] = rst.at( format_index );
 	}
       else
 	{
 	  switch ( rst.at( format_index ).unicode() )
 	    {
 	    case '%':
 	      buffer[index++] = '%';
 	      break;
 	    case 'Y':
 	      put_it_in( buffer, index, pDate.year() / 100 );
 	    case 'y':
 	      put_it_in( buffer, index, pDate.year() % 100 );
 	      break;
 	    case 'n':
 	      number = pDate.month();
 	    case 'e':
 	      // to share the code
 	      if ( rst.at( format_index ).unicode() == 'e' )
 		number = pDate.day();
 	      if ( number / 10 )
 		buffer[index++] = number / 10 + '0';
 	      buffer[index++] = number % 10 + '0';
 	      break;
 	    case 'm':
 	      put_it_in( buffer, index, pDate.month() );
 	      break;
 	    case 'b':
 	      put_it_in( buffer, index, monthName(pDate.month(), true) );
 	      break;
 	    case 'B':
 	      put_it_in( buffer, index, monthName(pDate.month(), false) );
 	      break;
 	    case 'd':
 	      put_it_in( buffer, index, pDate.day() );
 	      break;
 	    case 'a':
 	      put_it_in( buffer, index, weekDayName(pDate.dayOfWeek(), true) );
 	      break;
 	    case 'A':
 	      put_it_in( buffer, index, weekDayName(pDate.dayOfWeek(), false) );
 	      break;
 	    default:
 	      buffer[index++] = rst.at( format_index );
 	      break;
 	    }
 	  escape = false;
 	}
     }
   QString ret( buffer, index );
   delete [] buffer;
   return ret;
 }
 
 QString KLocale::formatDateTime(const QDateTime &pDateTime,
 				bool shortFormat,
 				bool includeSeconds,
 				IntDateFormat intIntDateFormat) const
 {
   QString format("%1 %2");
 
   if ( intIntDateFormat == Default )
     format = "%1 %2";
   else if ( intIntDateFormat == Format1 )
     format = "%1 %2";
   else  if ( intIntDateFormat == ISODate )
     format = "%1T%2";
 
-  return format.arg(formatDate( pDateTime.date(), shortFormat, intIntDateFormat ))
+  QString res = format.arg(formatDate( pDateTime.date(), shortFormat, intIntDateFormat ))
                .arg(formatTime( pDateTime.time(), includeSeconds , intIntDateFormat ));
+
+  //qDebug("KLocale::formatDateTime transformed %s, into %s", pDateTime.toString().latin1(), res.latin1() );
+
+  return res;
 }
 
 QString KLocale::formatDateTime(const QDateTime &pDateTime, IntDateFormat intIntDateFormat) const
 {
   return formatDateTime(pDateTime, true, true, intIntDateFormat);
 }
 
 QDate KLocale::readDate(const QString &intstr, bool* ok) const
 {
   QDate date;
   date = readDate(intstr, true, ok);
   if (date.isValid()) return date;
   return readDate(intstr, false, ok);
 }
 
 QDate KLocale::readDate(const QString &intstr, bool shortFormat, bool* ok) const
 {
   QString fmt = (shortFormat ? dateFormatShort() : dateFormat()).simplifyWhiteSpace();
   return readDate( intstr, fmt, ok );
 }
 
 QDate KLocale::readDate(const QString &intstr, const QString &fmt, bool* ok) const
 {
   //kdDebug(173) << "KLocale::readDate intstr=" << intstr << " fmt=" << fmt << endl;
   QString str = intstr.simplifyWhiteSpace().lower();
   int day = -1, month = -1;
   // allow the year to be omitted if not in the format
   int year = QDate::currentDate().year();
   uint strpos = 0;
   uint fmtpos = 0;
 
   while (fmt.length() > fmtpos || str.length() > strpos)
     {
       if ( !(fmt.length() > fmtpos && str.length() > strpos) )
         goto error;
 
       QChar c = fmt.at(fmtpos++);
 
       if (c != '%') {
         if (c.isSpace())
           strpos++;
         else if (c != str.at(strpos++))
           goto error;
         continue;
       }
 
       // remove space at the begining
       if (str.length() > strpos && str.at(strpos).isSpace())
         strpos++;
 
       c = fmt.at(fmtpos++);
       switch (c)
       {
 	case 'a':
 	case 'A':
 	  // this will just be ignored
 	  { // Cristian Tache: porting to Win: Block added because of "j" redefinition
   	  for (int j = 1; j < 8; j++) {
   	    QString s = weekDayName(j, c == 'a').lower();
   	    int len = s.length();
   	    if (str.mid(strpos, len) == s)
   	      strpos += len;
   	  }
   	  break;
   	}
 	case 'b':
 	case 'B':
 	  { // Cristian Tache: porting to Win: Block added because of "j" redefinition
   	  for (int j = 1; j < 13; j++) {
   	    QString s = monthName(j, c == 'b').lower();
   	    int len = s.length();
   	    if (str.mid(strpos, len) == s) {
   	      month = j;
   	      strpos += len;
   	    }
   	  }
   	  break;
   	}
 	case 'd':
 	case 'e':
 	  day = readInt(str, strpos);
 	  if (day < 1 || day > 31)
 	    goto error;
 
 	  break;
 
 	case 'n':
 	case 'm':
 	  month = readInt(str, strpos);
 	  if (month < 1 || month > 12)
 	    goto error;
 
 	  break;
 
 	case 'Y':
 	case 'y':
 	  year = readInt(str, strpos);
 	  if (year < 0)
 	    goto error;
 	  // Qt treats a year in the range 0-100 as 1900-1999.
 	  // It is nicer for the user if we treat 0-68 as 2000-2068
 	  if (year < 69)
 	    year += 2000;
 	  else if (c == 'y')
 	    year += 1900;
 
 	  break;
 	}
     }
   //kdDebug(173) << "KLocale::readDate day=" << day << " month=" << month << " year=" << year << endl;
   if ( year != -1 && month != -1 && day != -1 )
   {
     if (ok) *ok = true;
     return QDate(year, month, day);
   }
  error:
   if (ok) *ok = false;
   return QDate(); // invalid date
 }
 
 QTime KLocale::readTime(const QString &intstr, bool *ok) const
 {
   QTime _time;
   _time = readTime(intstr, true, ok);
   if (_time.isValid()) return _time;
   return readTime(intstr, false, ok);
 }
 
 QTime KLocale::readTime(const QString &intstr, bool seconds, bool *ok) const
 {
   QString str = intstr.simplifyWhiteSpace().lower();
   QString Format = timeFormat().simplifyWhiteSpace();
   if (!seconds)
     Format.replace(QRegExp(QString::fromLatin1(".%S")), QString::null);
 
   int hour = -1, minute = -1, second = seconds ? -1 : 0; // don't require seconds
 
   bool g_12h = false;
   bool pm = false;
   uint strpos = 0;
   uint Formatpos = 0;
 
   while (Format.length() > Formatpos || str.length() > strpos)
     {
       if ( !(Format.length() > Formatpos && str.length() > strpos) ) goto error;
 
       QChar c = Format.at(Formatpos++);
 
       if (c != '%')
 	{
 	  if (c.isSpace())
 	    strpos++;
 	  else if (c != str.at(strpos++))
 	    goto error;
 	  continue;
 	}
 
       // remove space at the begining
       if (str.length() > strpos && str.at(strpos).isSpace())
 	strpos++;
 
       c = Format.at(Formatpos++);
       switch (c)
 	{
 	case 'p':
 	  {
 	    QString s;
 	    s = i18n("pm").lower();
 	    int len = s.length();
 	    if (str.mid(strpos, len) == s)
 	      {
 		pm = true;
 		strpos += len;
 	      }
 	    else
 	      {
 		s = i18n("am").lower();
 		len = s.length();
 		if (str.mid(strpos, len) == s) {
 		  pm = false;
 		  strpos += len;
 		}
 		else
 		  goto error;
 	      }
 	  }
 	  break;
 
 	case 'k':
 	case 'H':
 	  g_12h = false;
 	  hour = readInt(str, strpos);
 	  if (hour < 0 || hour > 23)
 	    goto error;
 
 	  break;
 
 	case 'l':
 	case 'I':
 	  g_12h = true;
 	  hour = readInt(str, strpos);
 	  if (hour < 1 || hour > 12)
 	    goto error;
 
 	  break;
 
 	case 'M':
 	  minute = readInt(str, strpos);
 	  if (minute < 0 || minute > 59)
 	    goto error;
 
 	  break;
 
 	case 'S':
 	  second = readInt(str, strpos);
 	  if (second < 0 || second > 59)
 	    goto error;
 
 	  break;
 	}
     }
   if (g_12h)
     {
       hour %= 12;
       if (pm) hour += 12;
     }
 
   if (ok) *ok = true;
   return QTime(hour, minute, second);
 
  error:
   if (ok) *ok = false;
   return QTime(-1, -1, -1); // return invalid date if it didn't work
   // This will be removed in the near future, since it gives a warning on stderr.
   // The presence of the bool* (since KDE-3.0) removes the need for an invalid QTime.
 }
 
 QDateTime KLocale::readDateTime(const QString &intstr, 
 				IntDateFormat intIntDateFormat, 
 				bool* ok) const
 {
   bool ok1, ok2;
 
   // AT the moment we can not read any other format then ISODate
   if ( intIntDateFormat != ISODate )
     {
       qDebug("KLocale::readDateTime, only ISODate is supported.");
       return QDateTime();
     }  
 
   int pos = intstr.find("T");
   QString date = intstr.left(pos);
   QString time = intstr.mid(pos+1);
 
   QString dformat = dateFormat(intIntDateFormat);
   QString tformat = timeFormat(intIntDateFormat);
 
   QDate m_date = readDate(date, dformat, &ok1);
   QTime m_time = readTime(time, tformat, &ok2);
 
+  QDateTime m_dt;
+
   if (ok)
     {
       if ((ok1 == false) || (ok2 == false))
 	*ok = false;
       else
 	*ok = true;
     }
-  QDateTime m_dt;
+
+  //only set values if both operations returned true.
+  if ((ok1 == true) && (ok2 == true))
+    {
   m_dt.setDate(m_date);
   m_dt.setTime(m_time);
+    }
 
-  qDebug("KLocale::readDateTime() transformed %s into %s (%s), %s (%s) : err1=%i, err2=%i", intstr.latin1(), date.latin1(), dformat.latin1(), time.latin1(), tformat.latin1(), ok1, ok2);
+  //qDebug("KLocale::readDateTime() transformed %s into %s (%s), %s (%s) : err1=%i, err2=%i", intstr.latin1(), date.latin1(), dformat.latin1(), time.latin1(), tformat.latin1(), ok1, ok2);
   return m_dt;
 }
 
 QDate KLocale::readDate(const QString &intstr, 
 				IntDateFormat intIntDateFormat, 
 				bool* ok) const
 {
   bool ok1;
 
   QString dformat = dateFormat(intIntDateFormat);
 
   QDate m_date = readDate(intstr, dformat, &ok1);
 
   if (ok)
     *ok = ok1;
 
   //qDebug("KLocale::readDate() transformed %s into %s (%s), %s (%s) : err1=%i, err2=%i", intstr.latin1(), date.latin1(), dformat.latin1(), time.latin1(), tformat.latin1(), ok1, ok2);
   return m_date;
 }
 
 
 bool KLocale::use12Clock() const
 {
     return !mHourF24Format ;;
 }
 
 bool KLocale::weekStartsMonday() const
 {
     return mWeekStartsMonday;
 }
 
 int KLocale::weekStartDay() const
 {
     if ( mWeekStartsMonday )
         return 1;
     return 7;
 }
 
 QString KLocale::weekDayName(int i,bool shortName) const
 {
   if ( shortName )
     switch ( i )
       {
       case 1:  return i18n("Monday", "Mon");
       case 2:  return i18n("Tuesday", "Tue");
       case 3:  return i18n("Wednesday", "Wed");
       case 4:  return i18n("Thursday", "Thu");
       case 5:  return i18n("Friday", "Fri");
       case 6:  return i18n("Saturday", "Sat");
       case 7:  return i18n("Sunday", "Sun");
       }
   else
     switch ( i )
       {
       case 1:  return i18n("Monday");
       case 2:  return i18n("Tuesday");
       case 3:  return i18n("Wednesday");
       case 4:  return i18n("Thursday");
       case 5:  return i18n("Friday");
       case 6:  return i18n("Saturday");
       case 7:  return i18n("Sunday");
       }
 
   return QString::null;
 }
 
 QString KLocale::monthName(int i,bool shortName) const
 {
   if ( shortName )
     switch ( i )
       {
       case 1:   return i18n("January", "Jan");
       case 2:   return i18n("February", "Feb");
       case 3:   return i18n("March", "Mar");
       case 4:   return i18n("April", "Apr");
       case 5:   return i18n("May short", "May");
       case 6:   return i18n("June", "Jun");
       case 7:   return i18n("July", "Jul");
       case 8:   return i18n("August", "Aug");
       case 9:   return i18n("September", "Sep");
       case 10:  return i18n("October", "Oct");
       case 11:  return i18n("November", "Nov");
       case 12:  return i18n("December", "Dec");
       }
   else
     switch (i)
       {
       case 1:   return i18n("January");
       case 2:   return i18n("February");
       case 3:   return i18n("March");
       case 4:   return i18n("April");
       case 5:   return i18n("May long", "May");
       case 6:   return i18n("June");
       case 7:   return i18n("July");
       case 8:   return i18n("August");
       case 9:   return i18n("September");
       case 10:  return i18n("October");
       case 11:  return i18n("November");
       case 12:  return i18n("December");
       }
 
   return QString::null;
 }
 
 QString KLocale::country() const
 {
   return QString::null;
 }
 
 QString KLocale::dateFormat(IntDateFormat intIntDateFormat) const
 {
   const IntDateFormat dformat = (intIntDateFormat == Undefined)?mIntDateFormat:intIntDateFormat;
     
   if ( dformat == ISODate )
     return "%Y-%m-%d";
 
     if ( QApplication::desktop()->width() < 480 ) {
         if ( dformat == Default )
             return "%a %d %b %Y";
         else  if ( dformat == Format1 )
             return "%a %b %d %Y";
     } else {
         if ( dformat == Default )
             return "%A %d %B %Y";
         else  if ( dformat == Format1 )
             return "%A %B %d %Y";
 
     }
     return  mDateFormat ;
 }
 
 QString KLocale::dateFormatShort(IntDateFormat intIntDateFormat) const
 {
   const IntDateFormat dformat = (intIntDateFormat == Undefined)?mIntDateFormat:intIntDateFormat;
  
   if ( dformat == Default )
         return "%d.%m.%Y"; 
     else  if ( dformat == Format1 )
         return "%m.%d.%Y"; 
     else  if ( dformat == ISODate )  // = Qt::ISODate
         return "%Y-%m-%d"; 
   return mDateFormatShort ;
 
 }
 
 
 QString KLocale::timeFormat(IntDateFormat intIntTimeFormat) const
 {
     const IntDateFormat tformat = (intIntTimeFormat == Undefined)?mIntTimeFormat:intIntTimeFormat;
  
     if ( tformat == Default )
       if ( mHourF24Format)
 	return "%H:%M:%S";
       else
 	return "%I:%M:%S%p";
 
     else  if ( tformat == Format1 )
       if ( mHourF24Format)
         return "%H:%M:%S";
       else
 	return "%I:%M:%S%p";
 
     else  if ( tformat == ISODate )  // = Qt::ISODate
       if ( mHourF24Format)
         return "%H:%M:%S";
       else
 	return "%I:%M:%S%p";
 
 }
 
 void KLocale::insertCatalogue ( const QString & )
 {
 }
 
 KCalendarSystem *KLocale::calendar()
 {
   if ( !mCalendarSystem ) {
     mCalendarSystem = new KCalendarSystemGregorian;
   }
   
   return mCalendarSystem;
 }
 
 int KLocale::timezoneOffset( QString timeZone )
 {
     int ret = 1001;
     int index = mTimeZoneList.findIndex( timeZone );
     if ( index < 24 ) 
        ret =  ( index-11 ) * 60 ;
     return ret;
 }
 
 QStringList KLocale::timeZoneList() const
 {
     return mTimeZoneList;
 }
 void KLocale::setTimezone( const QString &timeZone )
 {
     mTimeZoneOffset = timezoneOffset( timeZone );
 }
 
 void KLocale::setDaylightSaving( bool b, int start , int end )
 {
     daylightEnabled = b;
     daylightStart = start;
     daylightEnd = end;
     mSouthDaylight = (end < start);
     // qDebug("klocale daylight %d %d %d ", b,  start ,  end );
 }
 
 int KLocale::localTimeOffset( const QDateTime &dt )
 {
     bool addDaylight = false;
     if ( daylightEnabled ) {
         int d_end, d_start;
         int dayofyear = dt.date().dayOfYear();
         int year = dt.date().year();
         int add = 0;
         if (  QDate::leapYear(year) )
             add = 1;
         QDate date (  year,1,1 );
         if ( daylightEnd > 59 )
             d_end = daylightEnd +add;
         else
             d_end = daylightEnd;
         if ( daylightStart > 59 )
             d_start = daylightStart +add;
         else
             d_start = daylightStart;
         QDate s_date = date.addDays( d_start -1 );
         QDate e_date = date.addDays( d_end -1 );
         int dof = s_date.dayOfWeek();
         if ( dof < 7 )
             s_date = s_date.addDays( -dof );
         dof = e_date.dayOfWeek();
         if ( dof < 7 )
             e_date = e_date.addDays( -dof );
         QTime startTime ( 3,0,0 );
         QDateTime startDt( s_date,  startTime );
         QDateTime endDt( e_date,  startTime );
         //qDebug("dayligt saving start %s end %s ",startDt.toString().latin1(),endDt.toString().latin1( ));
         if ( mSouthDaylight ) {
             if ( ! ( endDt < dt && dt < startDt) )
                 addDaylight = true;  
            } else {
             if ( startDt < dt && dt < endDt )
                 addDaylight = true;  
            
             
         }
     }
     int addMin = 0;
     if ( addDaylight )
         addMin = 60;
     return mTimeZoneOffset + addMin;
 }