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OFSet Class Reference

An abstract class for an unordered set of unique objects. More...

#import <ObjFW/OFSet.h>

Inheritance diagram for OFSet:
OFObject <OFCollection> <OFCopying> <OFMutableCopying> <OFSerialization> <OFObject> OFMutableSet OFCountedSet

Instance Methods

(id) - initWithSet:
 Initializes an already allocated set with the specified set. More...
 
(id) - initWithArray:
 Initializes an already allocated set with the specified array. More...
 
(id) - initWithObjects:
 Initializes an already allocated set with the specified objects. More...
 
(id) - initWithObjects:count:
 Initializes an already allocated set with the specified objects. More...
 
(id) - initWithObject:arguments:
 Initializes an already allocated set with the specified object and va_list. More...
 
(bool) - isSubsetOfSet:
 Returns whether the receiver is a subset of the specified set. More...
 
(bool) - intersectsSet:
 Returns whether the receiver and the specified set have at least one object in common. More...
 
(OFSet *) - setBySubtractingSet:
 Creates a new set which contains the objects which are in the receiver, but not in the specified set. More...
 
(OFSet *) - setByIntersectingWithSet:
 Creates a new set by creating the intersection of the receiver and the specified set. More...
 
(OFSet *) - setByAddingSet:
 Creates a new set by creating the union of the receiver and the specified set. More...
 
(OFArray *) - allObjects
 Returns an array of all objects in the set. More...
 
(nullable ObjectType) - anyObject
 Returns an arbitrary object in the set. More...
 
(bool) - containsObject:
 Checks whether the set contains an object equal to the specified object. More...
 
(nullable id) - valueForKey:
 Returns the value for the specified key. More...
 
(void) - setValue:forKey:
 Set the value for the specified key. More...
 
(OFEnumerator *) - objectEnumerator
 Returns an OFEnumerator to enumerate through all objects of the set. More...
 
(void) - enumerateObjectsUsingBlock:
 Executes a block for each object in the set. More...
 
(OFSet *) - filteredSetUsingBlock:
 Creates a new set, only containing the objects for which the block returns true. 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...
 
(nullable void *) - allocMemoryWithSize:
 Allocates memory and stores it in the object's memory pool. More...
 
(nullable 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...
 
(bool) - allowsWeakReference
 Returns whether the class allows weak references. More...
 
(bool) - retainWeakReference
 Retain a weak reference to this object. More...
 
- Instance Methods inherited from <OFCopying>
(id) - copy
 Copies the object. More...
 
- Instance Methods inherited from <OFMutableCopying>
(id) - mutableCopy
 Creates a mutable copy of the 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) + set
 Creates a new set. More...
 
(instancetype) + setWithSet:
 Creates a new set with the specified set. More...
 
(instancetype) + setWithArray:
 Creates a new set with the specified array. More...
 
(instancetype) + setWithObjects:
 Creates a new set with the specified objects. More...
 
(instancetype) + setWithObjects:count:
 Creates a new set with the specified objects. 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...
 
(nullable 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

An abstract class for an unordered set of unique objects.

Warning
Do not mutate objects that are in a set! Changing the hash of objects in a set breaks the internal representation of the set!

Method Documentation

◆ allObjects()

- (OFArray *) allObjects

Returns an array of all objects in the set.

Returns
An array of all objects in the set

◆ anyObject()

- (id) anyObject

Returns an arbitrary object in the set.

Returns
An arbitrary object in the set

◆ containsObject:()

- (bool) containsObject: (ObjectType)  object

Checks whether the set contains an object equal to the specified object.

Parameters
objectThe object which is checked for being in the set
Returns
A boolean whether the set contains the specified object

◆ enumerateObjectsUsingBlock:()

- (void) enumerateObjectsUsingBlock: (of_set_enumeration_block_t block

Executes a block for each object in the set.

Parameters
blockThe block to execute for each object in the set

◆ filteredSetUsingBlock:()

- (OFSet *) filteredSetUsingBlock: (of_set_filter_block_t block

Creates a new set, only containing the objects for which the block returns true.

Parameters
blockA block which determines if the object should be in the new set
Returns
A new, autoreleased OFSet

◆ initWithArray:()

- (id) initWithArray: (OFArray *)  array

Initializes an already allocated set with the specified array.

Parameters
arrayThe array to initialize the set with
Returns
An initialized set with the specified array

◆ initWithObject:arguments:()

- (id) initWithObject: (ObjectType)  firstObject
arguments: (va_list)  arguments 

Initializes an already allocated set with the specified object and va_list.

Parameters
firstObjectThe first object for the set
argumentsA va_list with the other objects
Returns
An initialized set with the specified object and va_list

◆ initWithObjects:()

- (id) initWithObjects: (ObjectType)  firstObject
,   ... 

Initializes an already allocated set with the specified objects.

Parameters
firstObjectThe first object for the set
Returns
An initialized set with the specified objects

◆ initWithObjects:count:()

- (id) initWithObjects: (ObjectType const _Nonnull *_Nonnull)  objects
count: (size_t)  count 

Initializes an already allocated set with the specified objects.

Parameters
objectsAn array of objects for the set
countThe number of objects in the specified array
Returns
An initialized set with the specified objects

◆ initWithSet:()

- (id) initWithSet: (OFSet *)  set

Initializes an already allocated set with the specified set.

Parameters
setThe set to initialize the set with
Returns
An initialized set with the specified set

◆ intersectsSet:()

- (bool) intersectsSet: (OFSet *)  set

Returns whether the receiver and the specified set have at least one object in common.

Returns
Whether the receiver and the specified set have at least one object in common

◆ isSubsetOfSet:()

- (bool) isSubsetOfSet: (OFSet *)  set

Returns whether the receiver is a subset of the specified set.

Returns
Whether the receiver is a subset of the specified set

◆ objectEnumerator()

- (OFEnumerator *) objectEnumerator

Returns an OFEnumerator to enumerate through all objects of the set.

Returns
An OFEnumerator to enumerate through all objects of the set

◆ set()

+ (instancetype) set

Creates a new set.

Returns
A new, autoreleased set

◆ setByAddingSet:()

- (OFSet *) setByAddingSet: (OFSet *)  set

Creates a new set by creating the union of the receiver and the specified set.

Parameters
setThe set to create the union with

◆ setByIntersectingWithSet:()

- (OFSet *) setByIntersectingWithSet: (OFSet *)  set

Creates a new set by creating the intersection of the receiver and the specified set.

Parameters
setThe set to intersect with

◆ setBySubtractingSet:()

- (OFSet *) setBySubtractingSet: (OFSet *)  set

Creates a new set which contains the objects which are in the receiver, but not in the specified set.

Parameters
setThe set whose objects will not be in the new set

◆ setValue:forKey:()

- (void) setValue: (id)  value
forKey: (OFString *)  key 

Set the value for the specified key.

If the key starts with an @, the @ is stripped and [super setValue:forKey:] is called. If the key does not start with an @, setValue:forKey: is called for each object.

Note
A OFNull value is translated to nil!
Parameters
valueThe value for the specified key
keyThe key of the value to set

◆ setWithArray:()

+ (instancetype) setWithArray: (OFArray *)  array

Creates a new set with the specified array.

Parameters
arrayThe array to initialize the set with
Returns
A new, autoreleased set with the specified array

◆ setWithObjects:()

+ (instancetype) setWithObjects: (ObjectType)  firstObject
,   ... 

Creates a new set with the specified objects.

Parameters
firstObjectThe first object for the set
Returns
A new, autoreleased set with the specified objects

◆ setWithObjects:count:()

+ (instancetype) setWithObjects: (ObjectType const _Nonnull *_Nonnull)  objects
count: (size_t)  count 

Creates a new set with the specified objects.

Parameters
objectsAn array of objects for the set
countThe number of objects in the specified array
Returns
A new, autoreleased set with the specified objects

◆ setWithSet:()

+ (instancetype) setWithSet: (OFSet *)  set

Creates a new set with the specified set.

Parameters
setThe set to initialize the set with
Returns
A new, autoreleased set with the specified set

◆ valueForKey:()

- (id) valueForKey: (OFString *)  key

Returns the value for the specified key.

If the key starts with an @, the @ is stripped and [super valueForKey:] is called. If the key does not start with an @, a new set with the value for the specified key for each object is returned.

Note
Unlike with OFArray, any nil values are removed!
Parameters
keyThe key of the value to return
Returns
The value for the specified key

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