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NSObject+TBKAssociatedObject.h
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NSObject+TBKAssociatedObject.h
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/*!
@project TabBarKit
@header NSObject+TBKAssociatedObject.h
@copyright (c) 2010 - 2011, David Morford
@shoutout Andy Matuschak for the orginial idea.
*/
#import <Foundation/Foundation.h>
#import <Foundation/NSObjCRuntime.h>
#import <objc/runtime.h>
typedef objc_AssociationPolicy TBKAssociationPolicy;
enum {
TBKAssociationPolicyAssign = OBJC_ASSOCIATION_ASSIGN,
TBKAssociationPolicyRetainNonatomic = OBJC_ASSOCIATION_RETAIN_NONATOMIC,
TBKAssociationPolicyCopyNonatomic = OBJC_ASSOCIATION_COPY_NONATOMIC,
TBKAssociationPolicyRetain = OBJC_ASSOCIATION_RETAIN,
TBKAssociationPolicyCopy = OBJC_ASSOCIATION_COPY
};
/*!
@category NSObject (TBKAssociatedObject)
@abstract
*/
@interface NSObject (TBKAssociatedObject)
-(id) associatedValueForKey:(void *)aKey;
/*!
@abstract Retains value
*/
-(void) associateValue:(id)aValue withKey:(void *)aKey;
-(void) removeAssociatedValueForKey:(void *)aKey;
/*!
@method associateValue:withKey:policy:
@abstract Associated a value and a policy with an object instance.
@discussion Used to associate a TBKTabBarItems and TBKTabBarController instance with
contained view controllers without requiring a silly protocol or subclass. Yum.
@param aValue
@param aKey
@param aPolicy
*/
-(void) associateValue:(id)aValue withKey:(void *)aKey policy:(TBKAssociationPolicy)aPolicy;
@end