NSDictionary+Extension.m

//
//  NSDictionary+Extension.m
//  Extension
//
//  Created by 刘功武 on 2020/9/15.
//  Copyright © 2020 . All rights reserved.
//

#import "NSDictionary+Extension.h"

@implementation NSDictionary (Extension)

#if DEBUG
- (NSString *)descriptionWithLocale:(id)locale indent:(NSUInteger)level {
    NSMutableString *desc       = [NSMutableString string];
    NSMutableString *tabString  = [[NSMutableString alloc] initWithCapacity:level];
    for (NSUInteger i = 0; i < level; ++i) {
        [tabString appendString:@"\t"];
    }
    
    NSString *tab = @"";
    if (level > 0) {
        tab = tabString;
    }
    
    [desc appendString:@"\t{\n"];
    
    /**遍历数组,self就是当前的数组*/
    for (id key in self.allKeys) {
        id obj = [self objectForKey:key];
        
        if ([obj isKindOfClass:[NSString class]]) {
            [desc appendFormat:@"%@\t%@ = \"%@\",\n", tab, key, obj];
        } else if ([obj isKindOfClass:[NSArray class]]
                   || [obj isKindOfClass:[NSDictionary class]]
                   || [obj isKindOfClass:[NSSet class]]) {
            [desc appendFormat:@"%@\t%@ = %@,\n", tab, key, [obj descriptionWithLocale:locale indent:level + 1]];
        } else if ([obj isKindOfClass:[NSData class]]) {
            /**如果是NSData类型，尝试去解析结果，以打印出可阅读的数据*/
            NSError *error = nil;
            NSObject *result =  [NSJSONSerialization JSONObjectWithData:obj
                                                                options:NSJSONReadingMutableContainers
                                                                  error:&error];
            /**解析成功*/
            if (error == nil && result != nil) {
                if ([result isKindOfClass:[NSDictionary class]]
                    || [result isKindOfClass:[NSArray class]]
                    || [result isKindOfClass:[NSSet class]]) {
                    NSString *str = [((NSDictionary *)result) descriptionWithLocale:locale indent:level + 1];
                    [desc appendFormat:@"%@\t%@ = %@,\n", tab, key, str];
                } else if ([obj isKindOfClass:[NSString class]]) {
                    [desc appendFormat:@"%@\t%@ = \"%@\",\n", tab, key, result];
                }
            } else {
                @try {
                    NSString *str = [[NSString alloc] initWithData:obj encoding:NSUTF8StringEncoding];
                    if (str != nil) {
                        [desc appendFormat:@"%@\t%@ = \"%@\",\n", tab, key, str];
                    } else {
                        [desc appendFormat:@"%@\t%@ = %@,\n", tab, key, obj];
                    }
                }
                @catch (NSException *exception) {
                    [desc appendFormat:@"%@\t%@ = %@,\n", tab, key, obj];
                }
            }
        } else {
            [desc appendFormat:@"%@\t%@ = %@,\n", tab, key, obj];
        }
    }
    
    [desc appendFormat:@"%@}", tab];
    
    return desc;
}
#endif

@end