Public Member Functions |
char * | c_str (void) |
| Extract char from string.
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| DateTimeString (time_t time) |
| Construct a date and time from C libraray time_t type.
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| DateTimeString (tm_t *tm) |
| Construct a date and time from C library time structure.
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| DateTimeString (char *pointer, size_t size=0) |
| Construct a date and time from ISO string buffer.
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| DateTimeString (int year, unsigned month, unsigned day, int hour=0, int minute=0, int second=0) |
| Construct a date and time object from explicit date and time values.
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| DateTimeString (DateTimeString &object) |
| Create a datetime object from another object.
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| DateTimeString (mode_t string=DateTimeString::BOTH) |
| Construct a new date and time object with current date and time.
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| operator char * (void) |
| Cast to string.
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void | set (void) |
| Set (update) the date and time with current date and time.
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void | set (mode_t string) |
| Set the string mode.
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virtual | ~DateTimeString () |
| Destroy date time string.
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| DateTime (time_t time) |
| Construct a date and time from C library time_t type.
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| DateTime (tm_t *tm) |
| Construct a date and time from C library time structure.
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| DateTime (char *pointer, size_t size=0) |
| Construct a date and time from ISO string buffer.
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| DateTime (int year, unsigned month, unsigned day, int hour=0, int minute=0, int second=0) |
| Construct a date and time object from explicit date and time values.
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| DateTime (DateTime &object) |
| Create a datetime object from another object.
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| DateTime () |
| Construct a new date and time object with current date and time.
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String | format (char *strftime) |
| Return date and time formatted using strftime format values.
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char * | get (char *buffer) |
| Get a ISO formatted date and time string for current object.
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time_t | get (void) |
| Get C library time_t type if object in C library epoch range.
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bool | isValid (void) |
| Test if object is valid.
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| operator bool () |
| Test is date and time is valid for is() operator.
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| operator double () |
| Convert date and time to julian day number.
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| operator long () |
| Casting operator to return date as number.
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bool | operator! () |
| Check if date and time is not valid.
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bool | operator!= (DateTime &datetime) |
| Compare date and time with another date and time to see if not same.
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DateTime | operator+ (long seconds) |
| Add seconds to datetime in an expression.
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DateTime & | operator++ () |
| Add a day from the current date and time.
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DateTime & | operator+= (long seconds) |
| Add seconds to the current datetime object.
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long | operator- (DateTime &datetime) |
| Operator to compute number of days between two dates.
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DateTime | operator- (long seconds) |
| Subtract seconds from datetime in an expression.
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DateTime & | operator-- () |
| Subtract a day from the current date and time.
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DateTime & | operator-= (long seconds) |
| Subtract seconds from current datetime object.
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bool | operator< (DateTime &datetime) |
| Compare date and time with another date and time to see if earlier.
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bool | operator<= (DateTime &datetime) |
| Compare date and time with another date and time to see if earlier or the same.
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DateTime & | operator= (DateTime &datetime) |
| Assign date and time from another datetime object.
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bool | operator== (DateTime &datetime) |
| Compare date and time with another date and time to see if the same.
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bool | operator> (DateTime &datetime) |
| Compare date and time with another date and time to see if later.
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bool | operator>= (DateTime &datetime) |
| Compare date and time with another date and time to see if later or the same.
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int | operator[] (index_t component) |
| Access time components.
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virtual | ~DateTime () |
| Destroy date and time object.
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| Date (time_t value) |
| Create a julian date from a time_t type.
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| Date (struct tm *object) |
| Create a julian date from a local or gmt date and time.
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| Date (char *pointer, size_t size=0) |
| Create a julian date from a ISO date string of a specified size.
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| Date (int year, unsigned month=1, unsigned day=1) |
| Create a julian date from an arbitrary year, month, and day.
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| Date (Date &object) |
| Create a julian date object from another object.
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| Date () |
| Construct a new julian date with today's date.
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unsigned | getDay (void) |
| Get the day of the month of the date.
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unsigned | getDayOfWeek (void) |
| Get the day of the week (0-7).
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long | getJulian (void) |
| Get the julian number of a date.
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unsigned | getMonth (void) |
| Get the month of the date (1-12).
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time_t | getTime (void) |
| Get a time_t for the julian date if in time_t epoch.
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int | getYear (void) |
| Get the year of the date.
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bool | operator!= (Date &date) |
| Compare julian dates if not same date.
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String | operator() () |
| Expression operator to return an ISO date string for the current julian date.
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long | operator* () |
| Access julian value.
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long | operator- (Date &date) |
| Operator to compute number of days between two dates.
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bool | operator< (Date &date) |
| Compare julian date if earlier than another date.
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bool | operator<= (Date &date) |
| Compare julian date if earlier than or equal to another date.
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Date & | operator= (Date &date) |
| Assign date from another date object.
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bool | operator== (Date &date) |
| Compare julian dates if same date.
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bool | operator> (Date &date) |
| Compare julian date if later than another date.
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bool | operator>= (Date &date) |
| Compare julian date if later than or equal to another date.
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void | set (char *pointer, size_t size=0) |
| Set the julian date based on an ISO date string of specified size.
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virtual | ~Date () |
| Destroy julian date object.
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int | getHour (void) |
| Get hours from midnight.
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int | getMinute (void) |
| Get minutes from current hour.
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int | getSecond (void) |
| Get seconds from current minute.
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bool | operator!= (Time &time) |
| Compare time with another time to see if not same time.
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String | operator() () |
| Convert to standard 24 hour time string.
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long | operator* () |
| Get object time in seconds.
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long | operator- (Time &reference) |
| Get difference (in seconds) between two times.
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bool | operator< (Time &time) |
| Compare time if earlier than another time.
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bool | operator<= (Time &time) |
| Compare time if earlier than or equal to another time.
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Time & | operator= (Time &time) |
| Assign a time as a copy of another time.
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bool | operator== (Time &time) |
| Compare time with another time to see if same time.
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bool | operator> (Time &time) |
| Compare time if later than another time.
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bool | operator>= (Time &time) |
| Compare time if later than or equal to another time.
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int | operator[] (index_t component) |
| Get component of time object.
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void | set (char *pointer, size_t size=0) |
| Set time from a hh:mm:ss formatted string.
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| Time (time_t value) |
| Create a time from the time portion of a time_t.
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| Time (tm_t *object) |
| Create a time from the time portion of a date and time object.
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| Time (char *pointer, size_t size=0) |
| Create a time from a hh:mm:ss formatted time string.
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| Time (int hour, int minute, int second) |
| Create a time from hours (0-23), minutes (0-59), and seconds (0-59).
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| Time (Time &object) |
| Create a time object from another object.
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| Time () |
| Create a time from current time.
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virtual | ~Time () |
| Destroy time object.
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A DateTime string class.
This can be used to access the date and time as a standard string without requiring an external buffer.
- Author
- David Sugar dyfet.nosp@m.@gnu.nosp@m.telep.nosp@m.hony.nosp@m..org a datetime class that returns strings.
- Examples:
- datetime.cpp.
Definition at line 899 of file datetime.h.