/* * Copyright (c) 2008, 2009, 2010, 2011 * Jonathan Schleifer <js@webkeks.org> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #define OF_MUTABLE_SET_M #import "OFMutableSet.h" #import "OFDictionary.h" #import "OFArray.h" #import "OFNumber.h" #import "OFAutoreleasePool.h" @implementation OFMutableSet - (void)addObject: (id)object { [dictionary _setObject: [OFNumber numberWithSize: 1] forKey: object copyKey: NO]; mutations++; } - (void)removeObject: (id)object { [dictionary removeObjectForKey: object]; mutations++; } - (void)minusSet: (OFSet*)set { OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init]; OFEnumerator *enumerator = [set objectEnumerator]; id object; while ((object = [enumerator nextObject]) != nil) [self removeObject: object]; [pool release]; } - (void)intersectSet: (OFSet*)set { OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init]; OFArray *objects = [dictionary allKeys]; id *cArray = [objects cArray]; size_t count = [objects count]; size_t i; for (i = 0; i < count; i++) if (![set containsObject: cArray[i]]) [self removeObject: cArray[i]]; [pool release]; } - (void)unionSet: (OFSet*)set { OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init]; OFEnumerator *enumerator = [set objectEnumerator]; id object; while ((object = [enumerator nextObject]) != nil) [self addObject: object]; [pool release]; } @end