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OFDate Class Reference

A class for storing, accessing and comparing dates. More...

#import <ObjFW/OFDate.h>

Inheritance diagram for OFDate:
OFObject <OFCopying> <OFComparing> <OFSerialization> <OFObject> <OFObject>

Instance Methods

(id) - initWithTimeIntervalSince1970:
 Initializes an already allocated OFDate with the specified date and time since 1970-01-01T00:00:00Z. More...
 
(id) - initWithTimeIntervalSinceNow:
 Initializes an already allocated OFDate with the specified date and time since now. More...
 
(id) - initWithDateString:format:
 Initializes an already allocated OFDate with the specified string in the specified format. More...
 
(id) - initWithLocalDateString:format:
 Initializes an already allocated OFDate with the specified string in the specified format. More...
 
(uint32_t) - microsecond
 Returns the microsecond of the date. More...
 
(uint8_t) - second
 Returns the second of the date. More...
 
(uint8_t) - minute
 Returns the minute of the date. More...
 
(uint8_t) - hour
 Returns the hour of the date. More...
 
(uint8_t) - localHour
 Returns the hour of the date in local time. More...
 
(uint8_t) - dayOfMonth
 Returns the day of the month. More...
 
(uint8_t) - localDayOfMonth
 Returns the day of the month of the date in local time. More...
 
(uint8_t) - monthOfYear
 Returns the month of the year of the date. More...
 
(uint8_t) - localMonthOfYear
 Returns the month of the year of the date in local time. More...
 
(uint16_t) - year
 Returns the year of the date. More...
 
(uint16_t) - localYear
 Returns the year of the date in local time. More...
 
(uint8_t) - dayOfWeek
 Returns the day of the week of the date. More...
 
(uint8_t) - localDayOfWeek
 Returns the day of the week of the date in local time. More...
 
(uint16_t) - dayOfYear
 Returns the day of the year of the date. More...
 
(uint16_t) - localDayOfYear
 Returns the day of the year of the date in local time. More...
 
(OFString *) - dateStringWithFormat:
 Creates a string of the date with the specified format. More...
 
(OFString *) - localDateStringWithFormat:
 Creates a string of the local date with the specified format. More...
 
(OFDate *) - earlierDate:
 Returns the earlier of the two dates. More...
 
(OFDate *) - laterDate:
 Returns the later of the two dates. More...
 
(of_time_interval_t- timeIntervalSince1970
 Returns the seconds since 1970-01-01T00:00:00Z. More...
 
(of_time_interval_t- timeIntervalSinceDate:
 Returns the seconds the receiver is after the date. More...
 
(of_time_interval_t- timeIntervalSinceNow
 Returns the seconds the receiver is in the future. More...
 
(OFDate *) - dateByAddingTimeInterval:
 Creates a new date with the specified time interval added. More...
 
- Instance Methods inherited from OFObject
(id) - init
 Initializes an already allocated object. More...
 
(OFString *) - className
 Returns the name of the object's class. More...
 
(OFString *) - description
 Returns a description for the object. More...
 
(void *) - allocMemoryWithSize:
 Allocates memory and stores it in the object's memory pool. More...
 
(void *) - allocMemoryWithSize:count:
 Allocates memory for the specified number of items and stores it in the object's memory pool. More...
 
(nullable void *) - resizeMemory:size:
 Resizes memory in the object's memory pool to the specified size. More...
 
(nullable void *) - resizeMemory:size:count:
 Resizes memory in the object's memory pool to the specific number of items of the specified size. More...
 
(void) - freeMemory:
 Frees allocated memory and removes it from the object's memory pool. More...
 
(void) - dealloc
 Deallocates the object. More...
 
(void) - performSelector:afterDelay:
 Performs the specified selector after the specified delay. More...
 
(void) - performSelector:withObject:afterDelay:
 Performs the specified selector with the specified object after the specified delay. More...
 
(void) - performSelector:withObject:withObject:afterDelay:
 Performs the specified selector with the specified objects after the specified delay. More...
 
(void) - performSelector:onThread:waitUntilDone:
 Performs the specified selector on the specified thread. More...
 
(void) - performSelector:onThread:withObject:waitUntilDone:
 Performs the specified selector on the specified thread with the specified object. More...
 
(void) - performSelector:onThread:withObject:withObject:waitUntilDone:
 Performs the specified selector on the specified thread with the specified objects. More...
 
(void) - performSelectorOnMainThread:waitUntilDone:
 Performs the specified selector on the main thread. More...
 
(void) - performSelectorOnMainThread:withObject:waitUntilDone:
 Performs the specified selector on the main thread with the specified object. More...
 
(void) - performSelectorOnMainThread:withObject:withObject:waitUntilDone:
 Performs the specified selector on the main thread with the specified objects. More...
 
(void) - performSelector:onThread:afterDelay:
 Performs the specified selector on the specified thread after the specified delay. More...
 
(void) - performSelector:onThread:withObject:afterDelay:
 Performs the specified selector on the specified thread with the specified object after the specified delay. More...
 
(void) - performSelector:onThread:withObject:withObject:afterDelay:
 Performs the specified selector on the specified thread with the specified objects after the specified delay. More...
 
(nullable id) - forwardingTargetForSelector:
 This method is called when resolveClassMethod: or resolveInstanceMethod: returned false. It should return a target to which the message should be forwarded. More...
 
(void) - doesNotRecognizeSelector:
 Handles messages which are not understood by the receiver. More...
 
(OFString *) - stringBySerializing
 Creates a string by serializing the receiver. More...
 
- Instance Methods inherited from <OFObject>
(bool) - isKindOfClass:
 Returns a boolean whether the object of the specified kind. More...
 
(bool) - isMemberOfClass:
 Returns a boolean whether the object is a member of the specified class. More...
 
(bool) - respondsToSelector:
 Returns a boolean whether the object responds to the specified selector. More...
 
(nullable IMP) - methodForSelector:
 Returns the implementation for the specified selector. More...
 
(nullable const char *) - typeEncodingForSelector:
 Returns the type encoding for the specified selector. More...
 
(nullable id) - performSelector:
 Performs the specified selector. More...
 
(nullable id) - performSelector:withObject:
 Performs the specified selector with the specified object. More...
 
(nullable id) - performSelector:withObject:withObject:
 Performs the specified selector with the specified objects. More...
 
(bool) - isEqual:
 Checks two objects for equality. More...
 
(uint32_t) - hash
 Calculates a hash for the object. More...
 
(id) - retain
 Increases the retain count. More...
 
(unsigned int) - retainCount
 Returns the retain count. More...
 
(void) - release
 Decreases the retain count. More...
 
(id) - autorelease
 Adds the object to the topmost OFAutoreleasePool of the thread's autorelease pool stack. More...
 
(id) - self
 Returns the receiver. More...
 
(bool) - isProxy
 Returns whether the object is a proxy object. More...
 
- Instance Methods inherited from <OFCopying>
(id) - copy
 Copies the object. More...
 
- Instance Methods inherited from <OFComparing>
(of_comparison_result_t- compare:
 Compares the object with another object. More...
 
- Instance Methods inherited from <OFSerialization>
(id) - initWithSerialization:
 Initializes the object with the specified XML element serialization. More...
 
(OFXMLElement *) - XMLElementBySerializing
 Serializes the object into an XML element. More...
 

Class Methods

(instancetype) + date
 Creates a new OFDate with the current date and time. More...
 
(instancetype) + dateWithTimeIntervalSince1970:
 Creates a new OFDate with the specified date and time since 1970-01-01T00:00:00Z. More...
 
(instancetype) + dateWithTimeIntervalSinceNow:
 Creates a new OFDate with the specified date and time since now. More...
 
(instancetype) + dateWithDateString:format:
 Creates a new OFDate with the specified string in the specified format. More...
 
(instancetype) + dateWithLocalDateString:format:
 Creates a new OFDate with the specified string in the specified format. More...
 
(instancetype) + distantFuture
 Returns a date in the distant future. More...
 
(instancetype) + distantPast
 Returns a date in the distant past. More...
 
- Class Methods inherited from OFObject
(void) + load
 A method which is called once when the class is loaded into the runtime. More...
 
(void) + unload
 A method which is called when the class is unloaded from the runtime. More...
 
(void) + initialize
 A method which is called the moment before the first call to the class is being made. More...
 
(id) + alloc
 Allocates memory for an instance of the class and sets up the memory pool for the object. More...
 
(id) + new
 Allocates memory for a new instance and calls init on it. More...
 
(Class) + class
 Returns the class. More...
 
(OFString *) + className
 Returns the name of the class as a string. More...
 
(bool) + isSubclassOfClass:
 Returns a boolean whether the class is a subclass of the specified class. More...
 
(Class) + superclass
 Returns the superclass of the class. More...
 
(bool) + instancesRespondToSelector:
 Checks whether instances of the class respond to a given selector. More...
 
(bool) + conformsToProtocol:
 Checks whether the class conforms to a given protocol. More...
 
(nullable IMP) + instanceMethodForSelector:
 Returns the implementation of the instance method for the specified selector. More...
 
(nullable const char *) + typeEncodingForInstanceSelector:
 Returns the type encoding of the instance method for the specified selector. More...
 
(OFString *) + description
 Returns a description for the class, which is usually the class name. More...
 
(nullable IMP) + replaceClassMethod:withMethodFromClass:
 Replaces a class method with a class method from another class. More...
 
(nullable IMP) + replaceInstanceMethod:withMethodFromClass:
 Replaces an instance method with an instance method from another class. More...
 
(nullable IMP) + replaceClassMethod:withImplementation:typeEncoding:
 Replaces or adds a class method. More...
 
(nullable IMP) + replaceInstanceMethod:withImplementation:typeEncoding:
 Replaces or adds an instance method. More...
 
(void) + inheritMethodsFromClass:
 Adds all methods from the specified class to the class that is the receiver. More...
 
(bool) + resolveClassMethod:
 Try to resolve the specified class method. More...
 
(bool) + resolveInstanceMethod:
 Try to resolve the specified instance method. More...
 
(id) + copy
 Returns the class. More...
 

Detailed Description

A class for storing, accessing and comparing dates.

Method Documentation

+ (instancetype) date

Creates a new OFDate with the current date and time.

Returns
A new, autoreleased OFDate with the current date and time
- (OFDate *) dateByAddingTimeInterval: (of_time_interval_t seconds

Creates a new date with the specified time interval added.

Parameters
secondsThe seconds after the date
Returns
A new, autoreleased OFDate
- (OFString *) dateStringWithFormat: (OFConstantString*)  format

Creates a string of the date with the specified format.

See the manpage for strftime for information on the format.

Parameters
formatThe format for the date string
Returns
A new, autoreleased OFString
+ (instancetype) dateWithDateString: (OFString*)  string
format: (OFString*)  format 

Creates a new OFDate with the specified string in the specified format.

The time zone used is UTC. See dateWithLocalDateString:format: if you want local time.

See the manpage for strftime for information on the format.

Warning
The format is currently limited to the following format specifiers: %d, %e, %H, %m, %M, %S, %y, %Y, %%, %n and %t.
Parameters
stringThe string describing the date
formatThe format of the string describing the date
Returns
A new, autoreleased OFDate with the specified date and time
+ (instancetype) dateWithLocalDateString: (OFString*)  string
format: (OFString*)  format 

Creates a new OFDate with the specified string in the specified format.

See the manpage for strftime for information on the format.

Warning
The format is currently limited to the following format specifiers: %d, %e, %H, %m, %M, %S, %y, %Y, %%, %n and %t.
Parameters
stringThe string describing the date
formatThe format of the string describing the date
Returns
A new, autoreleased OFDate with the specified date and time
+ (instancetype) dateWithTimeIntervalSince1970: (of_time_interval_t seconds

Creates a new OFDate with the specified date and time since 1970-01-01T00:00:00Z.

Parameters
secondsThe seconds since 1970-01-01T00:00:00Z
Returns
A new, autoreleased OFDate with the specified date and time
+ (instancetype) dateWithTimeIntervalSinceNow: (of_time_interval_t seconds

Creates a new OFDate with the specified date and time since now.

Parameters
secondsThe seconds since now
Returns
A new, autoreleased OFDate with the specified date and time
- (uint8_t) dayOfMonth

Returns the day of the month.

Returns
The day of the month of the date
- (uint8_t) dayOfWeek

Returns the day of the week of the date.

Returns
The day of the week of the date
- (uint16_t) dayOfYear

Returns the day of the year of the date.

Returns
The day of the year of the date
+ (instancetype) distantFuture

Returns a date in the distant future.

The date is system-dependant.

Returns
A date in the distant future
+ (instancetype) distantPast

Returns a date in the distant past.

The date is system-dependant.

Returns
A date in the distant past
- (OFDate *) earlierDate: (OFDate*)  otherDate

Returns the earlier of the two dates.

If the argument is nil, it returns the receiver.

Parameters
otherDateAnother date
Returns
The earlier date of the two dates
- (uint8_t) hour

Returns the hour of the date.

Returns
The hour of the date
- (id) initWithDateString: (OFString*)  string
format: (OFString*)  format 

Initializes an already allocated OFDate with the specified string in the specified format.

The time zone used is UTC. If a time zone is specified anyway, an OFInvalidFormatException is thrown. See initWithLocalDateString:format: if you want to specify a time zone.

See the manpage for strftime for information on the format.

Warning
The format is currently limited to the following format specifiers: %d, %e, %H, %m, %M, %S, %y, %Y, %%, %n and %t.
Parameters
stringThe string describing the date
formatThe format of the string describing the date
Returns
An initialized OFDate with the specified date and time
- (id) initWithLocalDateString: (OFString*)  string
format: (OFString*)  format 

Initializes an already allocated OFDate with the specified string in the specified format.

If no time zone is specified, local time is assumed.

See the manpage for strftime for information on the format.

Warning
The format is currently limited to the following format specifiers: %d, %e, %H, %m, %M, %S, %y, %Y, %%, %n and %t.
Parameters
stringThe string describing the date
formatThe format of the string describing the date
Returns
An initialized OFDate with the specified date and time
- (id) initWithTimeIntervalSince1970: (of_time_interval_t seconds

Initializes an already allocated OFDate with the specified date and time since 1970-01-01T00:00:00Z.

Parameters
secondsThe seconds since 1970-01-01T00:00:00Z
Returns
An initialized OFDate with the specified date and time
- (id) initWithTimeIntervalSinceNow: (of_time_interval_t seconds

Initializes an already allocated OFDate with the specified date and time since now.

Parameters
secondsThe seconds since now
Returns
An initialized OFDate with the specified date and time
- (OFDate *) laterDate: (OFDate*)  otherDate

Returns the later of the two dates.

If the argument is nil, it returns the receiver.

Parameters
otherDateAnother date
Returns
The later date of the two dates
- (OFString *) localDateStringWithFormat: (OFConstantString*)  format

Creates a string of the local date with the specified format.

See the manpage for strftime for information on the format.

Parameters
formatThe format for the date string
Returns
A new, autoreleased OFString
- (uint8_t) localDayOfMonth

Returns the day of the month of the date in local time.

Returns
The day of the month of the date in local time
- (uint8_t) localDayOfWeek

Returns the day of the week of the date in local time.

Returns
The day of the week of the date in local time
- (uint16_t) localDayOfYear

Returns the day of the year of the date in local time.

Returns
The day of the year of the date in local time
- (uint8_t) localHour

Returns the hour of the date in local time.

Returns
The hour of the date in local time
- (uint8_t) localMonthOfYear

Returns the month of the year of the date in local time.

Returns
The month of the year of the date in local time
- (uint16_t) localYear

Returns the year of the date in local time.

Returns
The year of the date in local time
- (uint32_t) microsecond

Returns the microsecond of the date.

Returns
The microsecond of the date
- (uint8_t) minute

Returns the minute of the date.

Returns
The minute of the date
- (uint8_t) monthOfYear

Returns the month of the year of the date.

Returns
The month of the year of the date
- (uint8_t) second

Returns the second of the date.

Returns
The second of the date
- (of_time_interval_t) timeIntervalSince1970

Returns the seconds since 1970-01-01T00:00:00Z.

Returns
The seconds since 1970-01-01T00:00:00Z
- (of_time_interval_t) timeIntervalSinceDate: (OFDate*)  otherDate

Returns the seconds the receiver is after the date.

Parameters
otherDateDate date to generate the difference with receiver
Returns
The seconds the receiver is after the date.
- (of_time_interval_t) timeIntervalSinceNow

Returns the seconds the receiver is in the future.

Returns
The seconds the receiver is in the future
- (uint16_t) year

Returns the year of the date.

Returns
The year of the date

The documentation for this class was generated from the following files: