91 lines
3.3 KiB
Objective-C
91 lines
3.3 KiB
Objective-C
//
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// NSArray+DTExtensions.h
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// APContact
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//
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// Created by 逆仞 on 14-3-18.
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// Copyright (c) 2014年 Alipay. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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typedef id (^NSArrayObjectValidator)(id object);
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/**
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* DTExtensions for reading value at index
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*/
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@interface NSArray (DTExtensions)
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@property(nonatomic, readonly, assign) NSUInteger count;
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//@property(nonatomic, readonly, retain) id firstObject;
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//@property(nonatomic, readonly, retain) id lastObject;
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- (id)objectOrNilAtIndex:(NSUInteger)index;
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- (BOOL)containsIndex:(NSUInteger)index;
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@end
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/**
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* DTExtensions for writing value at index
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*/
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@interface NSMutableArray (DTExtensions)
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- (void)addObjectOrNil:(id)anObject;
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- (BOOL)insertObjectOrNil:(id)anObject atIndex:(NSUInteger)index;
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- (BOOL)replaceObjectAtIndex:(NSUInteger)index withObjectOrNil:(id)anObject;
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@end
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// NOTE: add or not?
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/* C
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- (float)floatAtIndex:(NSUInteger)index;
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- (float)floatAtIndex:(NSUInteger)index defaultValue:(float)defaultValue;
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- (double)doubleAtIndex:(NSUInteger)index;
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- (double)doubleAtIndex:(NSUInteger)index defaultValue:(double)defaultValue; */
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/* C More
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- (long long)longLongAtIndex:(NSUInteger)index;
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- (unsigned long long)unsignedLongLongAtIndex:(NSUInteger)index; */
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/* OC
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- (BOOL)boolAtIndex:(NSUInteger)index;
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- (BOOL)boolAtIndex:(NSUInteger)index defaultValue:(BOOL)defaultValue;
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- (NSInteger)integerAtIndex:(NSUInteger)index;
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- (NSInteger)integerOrNotFoundAtIndex:(NSUInteger)index;
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- (NSInteger)integerAtIndex:(NSUInteger)index defaultValue:(NSInteger)defaultValue; */
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/* OC More
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- (NSUInteger)unsignedIntegerAtIndex:(NSUInteger)index;
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- (NSUInteger)unsignedIntegerOrNotFoundAtIndex:(NSUInteger)index;
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- (NSUInteger)unsignedIntegerAtIndex:(NSUInteger)index defaultValue:(NSUInteger)defaultValue; */
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/* OC Object
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- (NSNumber *)numberAtIndex:(NSUInteger)index;
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- (NSNumber *)numberAtIndex:(NSUInteger)index defaultValue:(NSNumber *)defaultValue;
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- (NSString *)stringAtIndex:(NSUInteger)index;
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- (NSString *)stringOrEmptyStringAtIndex:(NSUInteger)index;
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- (NSString *)stringAtIndex:(NSUInteger)index defaultValue:(NSString *)defaultValue;
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- (NSArray *)arrayAtIndex:(NSUInteger)index;
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- (NSArray *)arrayAtIndex:(NSUInteger)index defaultValue:(NSArray *)defaultValue;
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- (NSDictionary *)dictionaryAtIndex:(NSUInteger)index;
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- (NSDictionary *)dictionaryAtIndex:(NSUInteger)index defaultValue:(NSDictionary *)defaultValue;
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- (NSData *)dataAtIndex:(NSUInteger)index;
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- (NSData *)dataAtIndex:(NSUInteger)index defaultValue:(NSData *)defaultValue;
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- (NSDate *)dateAtIndex:(NSUInteger)index;
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- (NSDate *)dateAtIndex:(NSUInteger)index defaultValue:(NSDate *)defaultValue;
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- (NSURL *)URLAtIndex:(NSUInteger)index;
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- (NSURL *)URLAtIndex:(NSUInteger)index defaultValue:(NSURL *)defaultValue; */
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/* OC Object More
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- (id)objectAtIndex:(NSUInteger)index class:(Class)class;
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- (id)objectAtIndex:(NSUInteger)index class:(Class)class defaultValue:(id)defaultValue;
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- (id)objectAtIndex:(NSUInteger)index protocol:(Protocol *)protocol;
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- (id)objectAtIndex:(NSUInteger)index protocol:(Protocol *)protocol defaultValue:(id)defaultValue;
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- (id)objectAtIndex:(NSUInteger)index class:(Class)class protocol:(Protocol *)protocol;
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- (id)objectAtIndex:(NSUInteger)index class:(Class)class protocol:(Protocol *)protocol defaultValue:(id)defaultValue;
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- (id)objectAtIndex:(NSUInteger)index callback:(NSArrayObjectValidator)callback; */
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