BC_Utilities/BCDictionaryExtensions.m at main · HouptLab/BC_Utilities · GitHub

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//
//  BCDictionaryExtensions.m
//  Caravan
//
//  Created by Tom Houpt on 15/3/18.
//  Copyright (c) 2015 Tom Houpt. All rights reserved.
//

#import "BCDictionaryExtensions.h"

@implementation NSDictionary  (BCExtensions)

-(NSObject *) objectAtKeyPath:(NSString *)path;{

    NSDictionary *currentDictionary = self;
    NSArray *keys = [path componentsSeparatedByString:@"/"];

    for (NSString *eachKey in keys) {

        NSObject *nextObject = [currentDictionary objectForKey:eachKey];


        if (eachKey == [keys lastObject]) {

            return nextObject;
        }

        if (nextObject == nil) {

            return nextObject;
        }

        else if (![nextObject isKindOfClass:[NSDictionary class]]) {

            return nil;

        }

        currentDictionary = (NSDictionary *)nextObject;
    }

    return nil;

}

@end