//------------ Begin of function DateInfo::date_str ---------//
//
// Convert from julian date format to string date format
// Return a date string in the format of DD MMM YYYY e.g. 15 Jan 1992
//
// Julian day is the number of days since the date Jan 1, 4713 BC
// Ex. Jan 1, 1981 is 2444606
//
// <long> julianDate = the julian date to be converted
// [int] shortMonthStr = short month string or not (e.g. Jan instead of January)
// (default : 0)
//
// Return : <char*> the formated date string
//
char* DateInfo::date_str( long julianDate, int shortMonthStr)
{
int year, month, day, nDays, maxDays ;
long totalDays ;
static char strBuf[16];
if ( julianDate > 5373484 || julianDate < JULIAN_ADJUSTMENT )
{
strBuf[0]=0;
return strBuf;
}
totalDays = (long) (julianDate) - JULIAN_ADJUSTMENT ;
year = (int) ((double)totalDays/365.2425) + 1 ;
nDays = (int) (totalDays - ytoj(year)) ;
if ( nDays <= 0 )
{
year-- ;
nDays = (int) (totalDays - ytoj(year)) ;
}
if (year%4 == 0 && year%100 != 0 || year%400 == 0)
maxDays = 366 ;
else
maxDays = 365 ;
if ( nDays > maxDays )
{
year++ ;
nDays -= maxDays ;
}
if ( month_day( year, nDays, month, day ) < 0 )
{
strBuf[0]=0;
return strBuf;
}
//--------------------------------------------//
static String str;
if( shortMonthStr )
{
// TRANSLATORS: <Month> <Day>, <Year>
snprintf(str, MAX_STR_LEN+1, _("%s %d, %d"), _(short_month_str_array[month-1]), day, year);
}
else
{
snprintf(str, MAX_STR_LEN+1, _("%s %d, %d"), _(month_str_array[month-1]), day, year);
}
return str;
}
//------------ Begin of function DateInfo::get_date ---------//
//
// Return year, month or day of the given julian date
//
// <long> julianDate = the julian date to be converted
// <char> returnType = 'Y'-year, 'M'-month, 'D'-day
//
// Return : the year, month or day of the julian date
// -1 if the julian date passed is invalid
//
int DateInfo::get_date( long julianDate, char returnType )
{
int year, month, day, nDays, maxDays ;
long totalDays ;
if ( julianDate > 5373484 || julianDate < JULIAN_ADJUSTMENT )
return -1;
totalDays = (long) (julianDate) - JULIAN_ADJUSTMENT ;
year = (int) ((double)totalDays/365.2425) + 1 ;
nDays = (int) (totalDays - ytoj(year)) ;
if ( nDays <= 0 )
{
year-- ;
nDays = (int) (totalDays - ytoj(year)) ;
}
if (year%4 == 0 && year%100 != 0 || year%400 == 0)
maxDays = 366 ;
else
maxDays = 365 ;
if ( nDays > maxDays )
{
year++ ;
nDays -= maxDays ;
}
if ( month_day( year, nDays, month, day ) < 0 )
return -1;
//............................................//
switch( returnType )
{
case 'Y':
return year;
case 'M': // return the month
return month;
case 'D':
return day;
}
return 0;
}
//------------ Begin of function DateInfo::julain ----------//
//
// Convert from year, month, day integer format to julian date format
//
// Julian day is the number of days since the date Jan 1, 4713 BC
// Ex. Jan 1, 1981 is 2444606
//
// <int> year, month, day = the components of the date
//
// Return : <long> the julian date
// -1 illegal given date
//
long DateInfo::julian( int year, int month, int day )
{
long total, dayYear ;
dayYear = day_year( year, month, day) ;
if (dayYear < 1)
return( -1) ; /* Illegal Date */
total = ytoj(year) ;
total+= dayYear ;
total+= JULIAN_ADJUSTMENT ;
return total;
}
//------------ Begin of function DateInfo::date_str ---------//
//
// Convert from julian date format to string date format
// Return a date string in the format of DD MMM YYYY e.g. 15 Jan 1992
//
// Julian day is the number of days since the date Jan 1, 4713 BC
// Ex. Jan 1, 1981 is 2444606
//
// <long> julianDate = the julian date to be converted
// [int] shortMonthStr = short month string or not (e.g. Jan instead of January)
// (default : 0)
//
// Return : <char*> the formated date string
//
char* DateInfo::date_str( long julianDate, int shortMonthStr)
{
int year, month, day, nDays, maxDays ;
long totalDays ;
static char strBuf[16];
if ( julianDate > 5373484 || julianDate < JULIAN_ADJUSTMENT )
{
strBuf[0]=NULL;
return strBuf;
}
totalDays = (long) (julianDate) - JULIAN_ADJUSTMENT ;
year = (int) ((double)totalDays/365.2425) + 1 ;
nDays = (int) (totalDays - ytoj(year)) ;
if ( nDays <= 0 )
{
year-- ;
nDays = (int) (totalDays - ytoj(year)) ;
}
if (year%4 == 0 && year%100 != 0 || year%400 == 0)
maxDays = 366 ;
else
maxDays = 365 ;
if ( nDays > maxDays )
{
year++ ;
nDays -= maxDays ;
}
if ( month_day( year, nDays, month, day ) < 0 )
{
strBuf[0]=NULL;
return strBuf;
}
//--------------------------------------------//
static String str;
#if(defined(SPANISH))
if( shortMonthStr )
{
str = itoa(day,strBuf,10); // day
str += "-";
strcpy(strBuf, translate.process(month_str_array[month-1]));
if(strlen(strBuf) > 3)
strBuf[3] = '\0'; // limit month to 3 chars
str += strBuf; // month
str += "-";
str += itoa(year,strBuf,10); // year
}
else
{
str = itoa(day,strBuf,10); // day
str += " de ";
str += translate.process(month_str_array[month-1]);
str += " de ";
str += itoa(year,strBuf,10); // year
}
#elif(defined(FRENCH))
str = itoa(day,strBuf,10); // day
str += " ";
if( shortMonthStr )
{
strcpy(strBuf, translate.process(month_str_array[month-1]));
if(strlen(strBuf) > 3)
strBuf[3] = '\0'; // limit month to 4 chars
if(month == 7) // Juillet(July) abbreviated to Jul.
strBuf[2] = 'l';
str += strBuf; // month
}
else
{
str += translate.process(month_str_array[month-1]);
}
str += " ";
str += itoa(year,strBuf,10); // year
#else
// GERMAN and US
str = translate.process(month_str_array[month-1]);
if( shortMonthStr )
str = str.left(3);
str += " ";
str += itoa(day,strBuf,10);
str += ", ";
str += itoa(year,strBuf,10);
#endif
return str;
}
