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https://github.com/gnustep/libs-base.git
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b2b14398d2
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@26606 72102866-910b-0410-8b05-ffd578937521
706 lines
19 KiB
Objective-C
706 lines
19 KiB
Objective-C
/* Mutable set proxies for GNUstep's KeyValueCoding
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Copyright (C) 2007 Free Software Foundation, Inc.
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Written by: Chris Farber <chris@chrisfarber.net>
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02111 USA.
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$Date: 2007-06-08 04:04:14 -0400 (Fri, 08 Jun 2007) $ $Revision: 25230 $
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*/
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#import "Foundation/NSInvocation.h"
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@interface NSKeyValueMutableSet : NSMutableSet
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{
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@protected
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id object;
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NSString *key;
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NSMutableSet *set;
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BOOL changeInProgress;
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}
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+ (NSKeyValueMutableSet*) setForKey: (NSString*)aKey ofObject: (id)anObject;
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- (id) initWithKey: (NSString*)aKey ofObject: (id)anObject;
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@end
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@interface NSKeyValueFastMutableSet : NSKeyValueMutableSet
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{
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@private
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NSInvocation *addObjectInvocation;
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NSInvocation *removeObjectInvocation;
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NSInvocation *addSetInvocation;
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NSInvocation *removeSetInvocation;
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NSInvocation *intersectInvocation;
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NSInvocation *setSetInvocation;
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}
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+ (id) setForKey: (NSString*)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized;
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- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized;
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@end
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@interface NSKeyValueSlowMutableSet : NSKeyValueMutableSet
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{
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@private
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NSInvocation *setSetInvocation;
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}
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+ (id) setForKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized;
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- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized;
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@end
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@interface NSKeyValueIvarMutableSet : NSKeyValueMutableSet
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{
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@private
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}
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+ (id) setForKey: (NSString *)aKey ofObject: (id)anObject;
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- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject;
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@end
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@implementation NSKeyValueMutableSet
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+ (NSKeyValueMutableSet *) setForKey: (NSString *)aKey ofObject: (id)anObject
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{
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NSKeyValueMutableSet *proxy;
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unsigned size = [aKey maximumLengthOfBytesUsingEncoding:
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NSUTF8StringEncoding];
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char keybuf[size + 1];
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[aKey getCString: keybuf
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maxLength: size + 1
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encoding: NSUTF8StringEncoding];
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if (islower(*keybuf))
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{
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*keybuf = toupper(*keybuf);
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}
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proxy = [NSKeyValueFastMutableSet setForKey: aKey
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ofObject: anObject
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withCapitalizedKey: keybuf];
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if (proxy == nil)
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{
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proxy = [NSKeyValueSlowMutableSet setForKey: aKey
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ofObject: anObject
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withCapitalizedKey: keybuf];
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if (proxy == nil)
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{
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proxy = [NSKeyValueIvarMutableSet setForKey: aKey
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ofObject: anObject];
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}
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}
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return proxy;
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}
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- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject
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{
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if ((self = [super init]) != nil)
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{
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object = anObject;
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key = [aKey copy];
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changeInProgress = NO;
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}
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return self;
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}
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- (unsigned) count
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{
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if (set == nil)
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{
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set = [object valueForKey: key];
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}
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return [set count];
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}
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- (id) member: (id)anObject
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{
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if (set == nil)
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{
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set = [object valueForKey: key];
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}
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return [set member: anObject];
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}
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- (NSEnumerator *) objectEnumerator
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{
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if (set == nil)
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{
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set = [object valueForKey: key];
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}
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return [set objectEnumerator];
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}
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- (void) removeAllObjects
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{
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if (set == nil)
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{
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set = [object valueForKey: key];
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}
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[set removeAllObjects];
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}
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@end
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@implementation NSKeyValueFastMutableSet
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+ (id) setForKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized
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{
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return [[[self alloc] initWithKey: aKey
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ofObject: anObject
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withCapitalizedKey: capitalized] autorelease];
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}
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- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized
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{
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SEL addObject;
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SEL removeObject;
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SEL addSet;
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SEL removeSet;
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SEL intersect;
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SEL setSet;
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BOOL canAdd = NO;
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BOOL canRemove = NO;
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addObject = NSSelectorFromString
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([NSString stringWithFormat: @"add%sObject:", capitalized]);
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removeObject = NSSelectorFromString
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([NSString stringWithFormat: @"remove%sObject:", capitalized]);
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addSet = NSSelectorFromString
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([NSString stringWithFormat: @"add%s:", capitalized]);
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removeSet = NSSelectorFromString
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([NSString stringWithFormat: @"remove%s:", capitalized]);
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if ([anObject respondsToSelector: addObject])
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{
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canAdd = YES;
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addObjectInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: addObject]] retain];
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[addObjectInvocation setTarget: anObject];
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[addObjectInvocation setSelector: addObject];
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}
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if ([anObject respondsToSelector: removeObject])
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{
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canRemove = YES;
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removeObjectInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: removeObject]] retain];
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[removeObjectInvocation setTarget: anObject];
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[removeObjectInvocation setSelector: removeObject];
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}
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if ([anObject respondsToSelector: addSet])
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{
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canAdd = YES;
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addSetInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: addSet]] retain];
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[addSetInvocation setTarget: anObject];
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[addSetInvocation setSelector: addSet];
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}
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if ([anObject respondsToSelector: removeSet])
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{
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canRemove = YES;
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removeSetInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: removeSet]] retain];
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[removeSetInvocation setTarget: anObject];
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[removeSetInvocation setSelector: removeSet];
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}
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if (!canAdd || !canRemove)
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{
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[self release];
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return nil;
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}
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if ((self = [super initWithKey: aKey ofObject: anObject]) != nil)
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{
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intersect = NSSelectorFromString
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([NSString stringWithFormat: @"intersect%s:", capitalized]);
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setSet = NSSelectorFromString
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([NSString stringWithFormat: @"set%s:", capitalized]);
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if ([anObject respondsToSelector: intersect])
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{
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intersectInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: intersect]] retain];
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[intersectInvocation setTarget: anObject];
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[intersectInvocation setSelector: intersect];
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}
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if ([anObject respondsToSelector: setSet])
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{
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setSetInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: setSet]] retain];
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[setSetInvocation setTarget: anObject];
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[setSetInvocation setSelector: setSet];
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}
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}
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return self;
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}
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- (void) dealloc
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{
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[setSetInvocation release];
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[intersectInvocation release];
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[removeSetInvocation release];
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[addSetInvocation release];
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[removeObjectInvocation release];
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[addObjectInvocation release];
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[super dealloc];
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}
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- (void) addObject: (id)anObject
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{
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if (addObjectInvocation)
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{
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if (!changeInProgress)
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{
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: [NSSet setWithObject: anObject]];
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}
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[addObjectInvocation setArgument: &anObject atIndex: 2];
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[addObjectInvocation invoke];
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if (!changeInProgress)
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{
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: [NSSet setWithObject: anObject]];
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}
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}
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else
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{
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[self unionSet: [NSSet setWithObject: anObject]];
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}
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}
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- (void) unionSet: (NSSet *)aSet
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{
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changeInProgress = YES;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: aSet];
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if (addSetInvocation)
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{
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[addSetInvocation setArgument: &aSet atIndex: 2];
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[addSetInvocation invoke];
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}
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else
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[super unionSet: aSet];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: aSet];
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changeInProgress = NO;
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}
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- (void) removeObject: (id)anObject
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{
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if (removeObjectInvocation)
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{
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if (!changeInProgress)
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{
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: [NSSet setWithObject: anObject]];
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}
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[removeObjectInvocation setArgument: &anObject atIndex: 2];
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[removeObjectInvocation invoke];
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if (!changeInProgress)
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{
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: [NSSet setWithObject: anObject]];
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}
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}
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else
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[self minusSet: [NSSet setWithObject: anObject]];
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}
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- (void) minusSet: (NSSet *)aSet
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{
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changeInProgress = YES;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: aSet];
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if (removeSetInvocation)
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{
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[removeSetInvocation setArgument: &aSet atIndex: 2];
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[removeSetInvocation invoke];
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}
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else
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{
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[super minusSet: aSet];
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}
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: aSet];
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changeInProgress = NO;
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}
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- (void) intersectSet: (NSSet *)aSet
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{
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changeInProgress = YES;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueIntersectSetMutation
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usingObjects: aSet];
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if (intersectInvocation)
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{
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[intersectInvocation setArgument: &aSet atIndex: 2];
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[intersectInvocation invoke];
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}
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else
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{
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[super intersectSet: aSet];
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}
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueIntersectSetMutation
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usingObjects: aSet];
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changeInProgress = NO;
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}
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- (void) setSet: (NSSet *)aSet
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{
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changeInProgress = YES;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueSetSetMutation
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usingObjects: aSet];
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if (setSetInvocation)
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{
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[setSetInvocation setArgument: &aSet atIndex: 2];
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[setSetInvocation invoke];
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}
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else
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{
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[super setSet: aSet];
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}
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueSetSetMutation
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usingObjects: aSet];
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changeInProgress = NO;
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}
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@end
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@implementation NSKeyValueSlowMutableSet
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+ (id) setForKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized
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{
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return [[[self alloc] initWithKey: aKey ofObject: anObject
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withCapitalizedKey: capitalized] autorelease];
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}
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- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject
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withCapitalizedKey: (const char *)capitalized;
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{
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SEL setSelector = NSSelectorFromString([NSString stringWithFormat:
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@"set%s:", capitalized]);
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if (![anObject respondsToSelector: setSelector])
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{
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[self release];
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return nil;
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}
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if ((self = [super initWithKey: aKey ofObject: anObject]) != nil)
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{
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setSetInvocation = [[NSInvocation invocationWithMethodSignature:
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[anObject methodSignatureForSelector: setSelector]] retain];
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[setSetInvocation setSelector: setSelector];
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[setSetInvocation setTarget: anObject];
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}
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return self;
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}
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- (void) setSet: (id)aSet
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{
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueSetSetMutation
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usingObjects: aSet];
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[setSetInvocation setArgument: &aSet atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueSetSetMutation
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usingObjects: aSet];
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}
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- (void) removeAllObjects
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{
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NSSet *nothing;
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NSSet *theSet = [NSSet setWithSet: [object valueForKey: key]];
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: theSet];
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nothing = [NSSet set];
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[setSetInvocation setArgument: ¬hing atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: theSet];
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}
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- (void) addObject: (id)anObject
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{
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NSMutableSet *temp;
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NSSet *unionSet;
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unionSet = [NSSet setWithObject: anObject];
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: unionSet];
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temp = [NSMutableSet setWithSet: [object valueForKey: key]];
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[temp addObject: anObject];
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[setSetInvocation setArgument: &temp atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: unionSet];
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}
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- (void) removeObject: (id)anObject
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{
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NSMutableSet *temp;
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NSSet *minusSet = [NSSet setWithObject: anObject];
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: minusSet];
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temp = [NSMutableSet setWithSet: [object valueForKey: key]];
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[temp removeObject: anObject];
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[setSetInvocation setArgument: &temp atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: minusSet];
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}
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- (void) unionSet: (id)anObject
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{
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NSMutableSet *temp;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: anObject];
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temp = [NSMutableSet setWithSet: [object valueForKey: key]];
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[temp unionSet: anObject];
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[setSetInvocation setArgument: &temp atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueUnionSetMutation
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usingObjects: anObject];
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}
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- (void) minusSet: (id)anObject
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{
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NSMutableSet *temp;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: anObject];
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temp = [NSMutableSet setWithSet: [object valueForKey: key]];
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[temp minusSet: anObject];
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[setSetInvocation setArgument: &temp atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueMinusSetMutation
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usingObjects: anObject];
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}
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- (void) intersectSet: (id)anObject
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{
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NSMutableSet *temp;
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[object willChangeValueForKey: key
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withSetMutation: NSKeyValueIntersectSetMutation
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usingObjects: anObject];
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temp = [NSMutableSet setWithSet: [object valueForKey: key]];
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[temp intersectSet: anObject];
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[setSetInvocation setArgument: &temp atIndex: 2];
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[setSetInvocation invoke];
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[object didChangeValueForKey: key
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withSetMutation: NSKeyValueIntersectSetMutation
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usingObjects: anObject];
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}
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@end
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@implementation NSKeyValueIvarMutableSet
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|
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+ (id) setForKey: (NSString *)aKey ofObject: (id)anObject
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{
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return [[[self alloc] initWithKey: aKey ofObject: anObject] autorelease];
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}
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|
|
|
- (id) initWithKey: (NSString *)aKey ofObject: (id)anObject
|
|
{
|
|
if ((self = [super initWithKey: aKey ofObject: anObject]) != nil)
|
|
{
|
|
unsigned size = [aKey maximumLengthOfBytesUsingEncoding:
|
|
NSUTF8StringEncoding];
|
|
char cKey[size + 2];
|
|
char *cKeyPtr = &cKey[0];
|
|
const char *type = 0;
|
|
|
|
int offset;
|
|
|
|
|
|
cKey[0] = '_';
|
|
[aKey getCString: cKeyPtr + 1
|
|
maxLength: size + 1
|
|
encoding: NSUTF8StringEncoding];
|
|
if (!GSObjCFindVariable (anObject, cKeyPtr, &type, &size, &offset))
|
|
{
|
|
GSObjCFindVariable (anObject, ++cKeyPtr, &type, &size, &offset);
|
|
}
|
|
set = GSObjCGetVal (anObject, cKeyPtr, NULL, type, size, offset);
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (unsigned) count
|
|
{
|
|
return [set count];
|
|
}
|
|
|
|
- (NSArray *) allObjects
|
|
{
|
|
return [set allObjects];
|
|
}
|
|
|
|
- (BOOL) containsObject: (id)anObject
|
|
{
|
|
return [set containsObject: anObject];
|
|
}
|
|
|
|
- (id) member: (id)anObject
|
|
{
|
|
return [set member: anObject];
|
|
}
|
|
|
|
- (void) addObject: (id)anObject
|
|
{
|
|
if (!changeInProgress)
|
|
{
|
|
[object willChangeValueForKey: key
|
|
withSetMutation: NSKeyValueUnionSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
[set addObject: anObject];
|
|
if (!changeInProgress)
|
|
{
|
|
[object didChangeValueForKey: key
|
|
withSetMutation: NSKeyValueUnionSetMutation
|
|
usingObjects: [NSSet setWithObject:anObject]];
|
|
}
|
|
}
|
|
|
|
- (void) removeObject: (id)anObject
|
|
{
|
|
if (!changeInProgress)
|
|
{
|
|
[object willChangeValueForKey: key
|
|
withSetMutation: NSKeyValueMinusSetMutation
|
|
usingObjects: [NSSet setWithObject:anObject]];
|
|
}
|
|
[set removeObject: anObject];
|
|
if (!changeInProgress)
|
|
{
|
|
[object didChangeValueForKey: key
|
|
withSetMutation: NSKeyValueMinusSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
}
|
|
|
|
- (void) unionSet: (id)anObject
|
|
{
|
|
if (!changeInProgress)
|
|
{
|
|
[object willChangeValueForKey: key
|
|
withSetMutation: NSKeyValueUnionSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
[set unionSet: anObject];
|
|
if (!changeInProgress)
|
|
{
|
|
[object didChangeValueForKey: key
|
|
withSetMutation: NSKeyValueUnionSetMutation
|
|
usingObjects: [NSSet setWithObject:anObject]];
|
|
}
|
|
}
|
|
|
|
- (void) minusSet: (id)anObject
|
|
{
|
|
if (!changeInProgress)
|
|
{
|
|
[object willChangeValueForKey: key
|
|
withSetMutation: NSKeyValueMinusSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
[set minusSet: anObject];
|
|
if (!changeInProgress)
|
|
{
|
|
[object didChangeValueForKey: key
|
|
withSetMutation: NSKeyValueMinusSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
}
|
|
|
|
- (void) intersectSet: (id)anObject
|
|
{
|
|
if (!changeInProgress)
|
|
{
|
|
[object willChangeValueForKey: key
|
|
withSetMutation: NSKeyValueIntersectSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
[set intersectSet: anObject];
|
|
if (!changeInProgress)
|
|
{
|
|
[object didChangeValueForKey: key
|
|
withSetMutation: NSKeyValueIntersectSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
}
|
|
|
|
- (void) setSet: (id)anObject
|
|
{
|
|
if (!changeInProgress)
|
|
{
|
|
[object willChangeValueForKey: key
|
|
withSetMutation: NSKeyValueSetSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
[set setSet: anObject];
|
|
if (!changeInProgress)
|
|
{
|
|
[object didChangeValueForKey: key
|
|
withSetMutation: NSKeyValueSetSetMutation
|
|
usingObjects: [NSSet setWithObject: anObject]];
|
|
}
|
|
}
|
|
@end
|