/usr/include/bobcat/datetime is in libbobcat-dev 3.19.01-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#define INCLUDED_BOBCAT_DATETIME_
#include <ctime>
#include <iosfwd>
namespace FBB
{
class DateTime
{
typedef struct tm TimeStruct;
friend std::ostream &operator<<(std::ostream &str,
DateTime const &dt);
friend std::istream &operator>>(std::istream &str, DateTime &dt);
friend bool operator==(DateTime const &left, DateTime const &right);
friend bool operator!=(DateTime const &left, DateTime const &right);
friend bool operator<(DateTime const &left, DateTime const &right);
friend bool operator<=(DateTime const &left, DateTime const &right);
friend bool operator>(DateTime const &left, DateTime const &right);
friend bool operator>=(DateTime const &left, DateTime const &right);
public:
enum TimeType
{
LOCALTIME,
UTC
};
enum Month
{
JANUARY,
FEBRUARY,
MARCH,
APRIL,
MAY,
JUNE,
JULY,
AUGUST,
SEPTEMBER,
OCTOBER,
NOVEMBER,
DECEMBER,
};
enum Relative
{
THIS_YEAR,
LAST,
NEXT,
THIS_WEEK,
};
enum Weekday
{
SUNDAY,
MONDAY,
TUESDAY,
WEDNESDAY,
THURSDAY,
FRIDAY,
SATURDAY,
};
enum TriVal
{
UNKNOWN = -1,
NO,
YES
};
enum TimeFields
{
SECONDS = 1 << 0,
MINUTES = 1 << 1,
HOURS = 1 << 2,
MONTHDAY = 1 << 3,
MONTH = 1 << 4,
YEAR = 1 << 5
};
private:
TimeType d_type; // current type of info in d_tm member
// (LOCALTIME (implied when using displayZone)
// or UTC)
time_t d_utcSec; // time in seconds (UTC)
time_t d_displayZoneShift; // correction to UTC when displaying
// times
// this takes care of dst as well.
int d_dstShift; // 3600 or 0: add to displayZoneShift
TimeStruct d_tm; // time's elements
bool d_ok;
size_t d_errno;
static char const *s_month[];
static char const *s_day[];
public:
explicit DateTime(TimeType type = UTC); // 1. time displayed as
// TimeType
// shifts in minutes
explicit DateTime(int tzShift); // 2. LOCALTIME:
// UTC +
// tzShift (= TZ + DST)
// 3. specify UTC/LOCAL time in
DateTime(time_t time, TimeType type); // seconds
// 4. LOCALTIME: time (UTC) +
DateTime(time_t time, int tzShift); // tzShift (= TZ + DST)
// with TimeStruct tm constructor arguments dst, day of the year,
// day of the week are ignored:
// 5. specify tm fields as
// either UTC or LOCALTIME
// using the default
// tzShift
DateTime(TimeStruct const &tm, TimeType type = UTC);
// 6. specify UTC tm fields
// display + tzShift
DateTime(TimeStruct const &tm, int tzShift);
// 7. specify UTC/LOCAL text
// time
explicit DateTime(std::string const &timeStr, TimeType type = UTC);
// 7dep. Deprecated. Avoid
DateTime(std::string const &timeStr, TimeType type, int);
// 8. specify UTC text time
// display +
// displayZoneShift
DateTime(std::string const &timeStr, int tzShift);
// 8dep.: Deprecated: avoid
DateTime(std::string const &timeStr, int displayZoneShift, int);
DateTime &operator+=(time_t seconds); // 1.
DateTime &operator+=(TimeStruct const &tm); // 2.
DateTime &operator-=(time_t seconds); // opsubis1.f
DateTime &operator-=(TimeStruct const &tm);
operator bool() const; // opbool.f
bool setDay(int day); // 'int' values may be negative or
bool setHours(int hours); // postive.
bool setMinutes(int minutes);
bool setMonth(Month month, Relative where = THIS_YEAR);
bool setMonth(int month); // set month, using 0: january this yr
// correct for overflows.
bool setSeconds(int seconds);
bool setTime(time_t time); // utc time
bool setWeekday(Weekday weekday, Relative where = NEXT);
bool setYear(size_t year);
bool setFields(TimeStruct const &tmStruct, int fields);
void setValid(); // .f
int displayZoneShift() const; // .f
TriVal dst() const; // .f
size_t error() const; // .f
size_t hours() const; // .f
size_t minutes() const; // .f
Month month() const; // .f
size_t monthDayNr() const; // .f
std::string rfc2822() const;
std::string rfc3339() const;
size_t seconds() const; // .f
time_t time() const; // .f
TimeStruct const *timeStruct() const;
bool valid() const; // .f
Weekday weekday() const; // .f
size_t year() const; // .f
size_t yearDay() const; // starts counting at 0 .f
size_t yearDayNr() const; // starts counting at 1 .f
size_t weekNr() const; // starts counting at 1
DateTime utc() const; // .f
DateTime localTime() const; // .f
DateTime to(TimeType type) const;
DateTime timeZoneShift(int displayZoneShift) const; // .f
private:
// used by constructors
void d_tm2d_tm(int displayZoneShift); // cons 6, 8
void d_tm2timeType(); // cons 5, 7
void d_tm2utcSec();
void displayShift2d_tm();
bool updateTime(TimeStruct &tm);
void setDisplayZone(time_t displayZoneShift);
void parse(std::istream &in);
void parseFromDayName(std::istream &in);
std::ostream &timeStr(std::ostream &out) const;
time_t timeStruct2utcSec(TimeStruct *ts); // sets d_ok
void utcSec2timeStruct(TimeStruct *ts, // sets d_ok .f
time_t time);
int dstCorrection(bool *ok) const;
int dstCorrection();
time_t defaultDisplayZoneShift() const; // seconds
static int zoneShiftSeconds(int shiftMinutes); // .f
// shifts multiples of 30'
// at most +/-12 hours away
};
inline int DateTime::displayZoneShift() const
{
return d_displayZoneShift;
}
inline DateTime::TriVal DateTime::dst() const
{
return static_cast<TriVal>(d_tm.tm_isdst);
}
inline size_t DateTime::error() const
{
return d_errno;
}
inline size_t DateTime::hours() const
{
return d_tm.tm_hour;
}
inline DateTime DateTime::localTime() const
{
return to(LOCALTIME);
}
inline size_t DateTime::minutes() const
{
return d_tm.tm_min;
}
inline DateTime::Month DateTime::month() const
{
return static_cast<Month>(d_tm.tm_mon);
}
inline size_t DateTime::monthDayNr() const
{
return d_tm.tm_mday;
}
inline DateTime::operator bool() const
{
return d_ok;
}
inline DateTime &DateTime::operator-=(time_t seconds)
{
return operator+=(-seconds);
}
inline size_t DateTime::seconds() const
{
return d_tm.tm_sec;
}
inline void DateTime::setValid()
{
d_ok = true;
}
inline time_t DateTime::time() const
{
return d_utcSec;
}
inline DateTime DateTime::timeZoneShift(int displayZoneShift) const
{
return DateTime(d_utcSec, displayZoneShift);
}
inline DateTime DateTime::utc() const
{
return to(UTC);
}
inline bool DateTime::valid() const
{
return d_ok;
}
inline DateTime::Weekday DateTime::weekday() const
{
return static_cast<Weekday>(d_tm.tm_wday);
}
inline size_t DateTime::year() const
{
return d_tm.tm_year + 1900;
}
inline size_t DateTime::yearDay() const
{
return d_tm.tm_yday;
}
inline size_t DateTime::yearDayNr() const
{
return d_tm.tm_yday + 1;
}
// Free functions
inline DateTime operator+(DateTime const &left, // d_type
time_t right)
{
return DateTime(left) += right;
}
inline DateTime operator+(DateTime const &left, // d_type
tm const &right)
{
return DateTime(left) += right;
}
inline bool operator==(DateTime const &left, DateTime const &right)
{
return left.d_utcSec == right.d_utcSec;
}
inline bool operator>=(DateTime const &left, DateTime const &right)
{
return left.d_utcSec >= right.d_utcSec;
}
inline bool operator>(DateTime const &left, DateTime const &right)
{
return left.d_utcSec > right.d_utcSec;
}
inline bool operator<=(DateTime const &left, DateTime const &right)
{
return left.d_utcSec <= right.d_utcSec;
}
inline bool operator<(DateTime const &left, DateTime const &right)
{
return left.d_utcSec < right.d_utcSec;
}
inline bool operator!=(DateTime const &left, DateTime const &right)
{
return left.d_utcSec != right.d_utcSec;
}
inline DateTime operator-(DateTime const &left, // d_type
time_t right)
{
return DateTime(left) -= right;
}
inline DateTime operator-(DateTime const &left, // d_type
tm const &right)
{
return DateTime(left) -= right;
}
} // FBB
#endif
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