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DATETIME.HXX
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1988-08-18
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// datetime.hxx
//
// defines the OS/2 date and time classes
//
// (c) Copyright 1988 Aspen Scientific
// All Rights Reserved.
// the date-and-time class definition
class DateAndTime {
friend struct DateAndTimePlus; // allow use of private members
// the following is for private class use
DATETIME *dtBuf; // OS/2 date and time buffer
char *showBuf; // format buffer
char *showDateOnly; // format buffer for date
char *showTimeOnly; // format buffer for time
static char *errorMsg; // an "error" message
static char **monthName; // month names
static char **dayName; // names of days of week
int showSize; // the size of the show buffer
int dateSize; // the size of the date only
int timeSize; // the size of the time only
// the following is for public use
public:
DateAndTime(int dt =0, int tm =0); // constructor
~DateAndTime(); // destructor
// make date and time current
void Update() { DosGetDateTime((PDATETIME) dtBuf); }
char *Show(); // return string for full info
char *ShowDate(); // return only a date string
char *ShowTime(); // return only a time string
// return the size of the date and time buffers
int Size() { return (showSize); }
int DateSize() { return (dateSize); }
int TimeSize() { return (timeSize); }
};
// now, derive a class from DateAndTime to handle
// looking at each member of the dtBuf structure.
struct DateAndTimePlus : public DateAndTime {
// we have no data to hide, only public functions to declare.
// therefore, we will use a struct, rather than a class.
// the constructor: it takes the same arguments as
// its base, and calls the base constructor with the
// arguments. the constructor for this class actually
// does nothing more than help to construct its base.
DateAndTimePlus(int dt =0, int tm =0) : (dt, tm) { }
// the destructor: see the constructor
~DateAndTimePlus() { }
int GetHours() { return ( dtBuf->hours ); }
int GetMinutes() { return ( dtBuf->minutes ); }
int GetSeconds() { return ( dtBuf->seconds ); }
int GetHundredths() { return ( dtBuf->hundredths ); }
int GetDay() { return ( dtBuf->day ); }
int GetMonth() { return ( dtBuf->month ); }
int GetYear() { return ( dtBuf->year ); }
int GetTimeZone() { return ( dtBuf->timezone ); }
int GetWeekDay() { return ( dtBuf->weekday ); }
};