41 lines
1.3 KiB
Objective-C
41 lines
1.3 KiB
Objective-C
#import "NSDictionary+Merge.h"
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@implementation NSDictionary (Merge)
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+ (NSDictionary *)dictionaryByMerging:(NSDictionary *)dict1 with:(NSDictionary *)dict2 {
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NSMutableDictionary *result = [dict1 mutableCopy];
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[dict2 enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
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if(![dict1 objectForKey:key]) {
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[result setObject:obj forKey:key];
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} else if([obj isKindOfClass:[NSDictionary class]]) {
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NSDictionary *newVal = [[dict1 objectForKey:key] dictionaryByMergingWith:(NSDictionary *)obj];
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[result setObject:newVal forKey:key];
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} else {
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BOOL isEmpty = NO;
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id objTarget = [dict1 objectForKey:key];
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if([objTarget isKindOfClass:[NSString class]]) {
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NSString *val = (NSString *)objTarget;
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isEmpty = [val length] == 0;
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} else if([objTarget isKindOfClass:[NSNumber class]]) {
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NSNumber *val = (NSNumber *)objTarget;
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isEmpty = [val isEqualTo:@(0)];
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} else if([objTarget isKindOfClass:[NSData class]]) {
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NSData *val = (NSData *)objTarget;
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isEmpty = [val length] == 0;
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}
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if(isEmpty) {
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[result setObject:obj forKey:key];
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}
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}
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}];
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return (NSDictionary *)[NSDictionary dictionaryWithDictionary:result];
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}
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- (NSDictionary *)dictionaryByMergingWith:(NSDictionary *)dict {
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return [[self class] dictionaryByMerging:self with:dict];
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}
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@end
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