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/** Interface for NSSet, NSMutableSet, NSCountedSet for GNUStep
Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Created: Sep 1995
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02111 USA.
AutogsdocSource: NSSet.m
AutogsdocSource: NSCountedSet.m
*/
#ifndef _NSSet_h_GNUSTEP_BASE_INCLUDE
#define _NSSet_h_GNUSTEP_BASE_INCLUDE
#import <GNUstepBase/GSVersionMacros.h>
#import <Foundation/NSObject.h>
#import <Foundation/NSEnumerator.h>
#import <GNUstepBase/GSBlocks.h>
#if defined(__cplusplus)
extern "C" {
#endif
@class GS_GENERIC_CLASS(NSArray, ElementT);
@class GS_GENERIC_CLASS(NSEnumerator, ElementT);
@class GS_GENERIC_CLASS(NSDictionary, KeyT:id<NSCopying>, ValT);
@class NSString;
@interface GS_GENERIC_CLASS(NSSet, __covariant ElementT) : NSObject <NSCoding,
NSCopying,
NSMutableCopying,
NSFastEnumeration>
+ (instancetype) set;
+ (instancetype) setWithArray: (GS_GENERIC_CLASS(NSArray, ElementT)*)objects;
+ (instancetype) setWithObject: (GS_GENERIC_TYPE(ElementT))anObject;
+ (instancetype) setWithObjects: (GS_GENERIC_TYPE(ElementT))firstObject, ...;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
+ (instancetype) setWithObjects: (const GS_GENERIC_TYPE(ElementT)[])objects
count: (NSUInteger)count;
#endif
+ (instancetype) setWithSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)aSet;
- (GS_GENERIC_CLASS(NSArray, ElementT)*) allObjects;
- (GS_GENERIC_TYPE(ElementT)) anyObject;
- (BOOL) containsObject: (GS_GENERIC_TYPE(ElementT))anObject;
- (NSUInteger) count;
- (NSString*) description;
- (NSString*) descriptionWithLocale: (id)locale;
- (instancetype) init;
- (instancetype) initWithArray: (GS_GENERIC_CLASS(NSArray, ElementT)*)other;
- (instancetype) initWithObjects: (GS_GENERIC_TYPE(ElementT))firstObject, ...;
- (instancetype) initWithObjects: (const GS_GENERIC_TYPE(ElementT)[])objects
count: (NSUInteger)count;
- (instancetype) initWithSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other;
- (instancetype) initWithSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other
copyItems: (BOOL)flag;
- (BOOL) intersectsSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)otherSet;
- (BOOL) isEqualToSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other;
- (BOOL) isSubsetOfSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)otherSet;
- (void) makeObjectsPerform: (SEL)aSelector;
- (void) makeObjectsPerform: (SEL)aSelector withObject: (id)argument;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (void) makeObjectsPerformSelector: (SEL)aSelector;
- (void) makeObjectsPerformSelector: (SEL)aSelector withObject: (id)argument;
#endif
- (GS_GENERIC_TYPE(ElementT)) member: (GS_GENERIC_TYPE(ElementT))anObject;
- (GS_GENERIC_CLASS(NSEnumerator, ElementT)*) objectEnumerator;
#if OS_API_VERSION(MAC_OS_X_VERSION_10_6, GS_API_LATEST)
DEFINE_BLOCK_TYPE(GSSetEnumeratorBlock, void, GS_GENERIC_TYPE(ElementT), BOOL*);
DEFINE_BLOCK_TYPE(GSSetFilterBlock, BOOL, GS_GENERIC_TYPE(ElementT), BOOL*);
/**
* Enumerate over the collection using a given block. The first argument is
* the object. The second argument is a pointer to a BOOL indicating
* whether the enumeration should stop. Setting this to YES will interupt
* the enumeration.
*/
- (void) enumerateObjectsUsingBlock:(GSSetEnumeratorBlock)aBlock;
/**
* Enumerate over the collection using the given block. The first argument is
* the object. The second argument is a pointer to a BOOL indicating whether
* the enumeration should stop. Setting this to YES will interrupt the
* enumeration.
*
* The opts argument is a bitfield. Setting the NSNSEnumerationConcurrent flag
* specifies that it is thread-safe. The NSEnumerationReverse bit specifies
* that it should be enumerated in reverse order.
*/
- (void) enumerateObjectsWithOptions: (NSEnumerationOptions)opts
usingBlock: (GSSetEnumeratorBlock)aBlock;
- (GS_GENERIC_CLASS(NSSet, ElementT) *) objectsPassingTest:
(GSSetFilterBlock)aBlock;
- (GS_GENERIC_CLASS(NSSet, ElementT) *) objectsWithOptions:
(NSEnumerationOptions)opts
passingTest: (GSSetFilterBlock)aBlock;
#endif
#if OS_API_VERSION(MAC_OS_X_VERSION_10_5,GS_API_LATEST)
- (GS_GENERIC_CLASS(NSSet, ElementT) *) setByAddingObject:
(GS_GENERIC_TYPE(ElementT))anObject;
- (GS_GENERIC_CLASS(NSSet, ElementT) *) setByAddingObjectsFromSet:
(GS_GENERIC_CLASS(NSSet, ElementT) *)other;
- (GS_GENERIC_CLASS(NSSet, ElementT) *) setByAddingObjectsFromArray:
(GS_GENERIC_CLASS(NSArray, ElementT) *)other;
#endif
@end
@interface GS_GENERIC_CLASS(NSMutableSet, ElementT):
GS_GENERIC_CLASS(NSSet, ElementT)
+ (instancetype) setWithCapacity: (NSUInteger)numItems;
- (void) addObject: (GS_GENERIC_TYPE(ElementT))anObject;
- (void) addObjectsFromArray: (GS_GENERIC_CLASS(NSArray, ElementT)*)array;
- (instancetype) initWithCapacity: (NSUInteger)numItems;
- (void) intersectSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other;
- (void) minusSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other;
- (void) removeAllObjects;
- (void) removeObject: (GS_GENERIC_TYPE(ElementT))anObject;
#if OS_API_VERSION(GS_API_MACOSX, GS_API_LATEST)
- (void) setSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other;
#endif
- (void) unionSet: (GS_GENERIC_CLASS(NSSet, ElementT)*)other;
@end
@interface GS_GENERIC_CLASS(NSCountedSet, ElementT) :
GS_GENERIC_CLASS(NSMutableSet, ElementT)
- (NSUInteger) countForObject: (GS_GENERIC_TYPE(ElementT))anObject;
@end
#if OS_API_VERSION(GS_API_NONE, GS_API_NONE)
/**
* Utility methods for using a counted set to handle uniquing of objects.
*/
@interface GS_GENERIC_CLASS(NSCountedSet, ElementT) (GNU_Uniquing)
/**
* <p>
* This method removes from the set all objects whose count is
* less than or equal to the specified value.
* </p>
* <p>
* This is useful where a counted set is used for uniquing objects.
* The set can be periodically purged of objects that have only
* been added once - and are therefore simply wasting space.
* </p>
*/
- (void) purge: (NSInteger)level;
/**
* <p>
* If the supplied object (or one equal to it as determined by
* the [NSObject-isEqual:] method) is already present in the set, the
* count for that object is incremented, the supplied object
* is released, and the object in the set is retained and returned.
* Otherwise, the supplied object is added to the set and returned.
* </p>
* <p>
* This method is useful for uniquing objects - the init method of
* a class need simply end with -
* <code>
* return [myUniquingSet unique: self];
* </code>
* </p>
*/
- (GS_GENERIC_TYPE(ElementT)) unique:
(GS_GENERIC_TYPE(ElementT)) NS_CONSUMED anObject NS_RETURNS_RETAINED;
@end
/*
* Functions for managing a global uniquing set.
*/
/*
* GSUniquing() turns on/off the action of the GSUnique() function.
* if uniquing is turned off, GSUnique() simply returns its argument.
*
*/
void GSUniquing(BOOL flag);
/*
* GSUnique() returns an object that is equal to the one passed to it.
* If the returned object is not the same object as the object passed in,
* the original object is released and the returned object is retained.
* Thus, an -init method that wants to implement uniquing simply needs
* to end with 'return GSUnique(self);'
*/
id GSUnique(id NS_CONSUMED anObject) NS_RETURNS_RETAINED;
/*
* Management functions -
*/
/*
* GSUPurge() can be used to purge infrequently referenced objects from the
* set by removing any objec whose count is less than or equal to that given.
*
*/
void GSUPurge(NSUInteger count);
/*
* GSUSet() can be used to artificially set the count for a particular object
* Setting the count to zero will remove the object from the global set.
*/
id GSUSet(id anObject, NSUInteger count);
#endif /* GS_API_NONE */
#if defined(__cplusplus)
}
#endif
#endif
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