NSSet+HYBUnicodeReadable.m

//
//  NSSet+HYBUnicodeReadable.m
//  demo
//
//  Created by huangyibiao on 15/12/29.
//  Copyright © 2015年 huangyibiao. All rights reserved.
//

#import "NSSet+HYBUnicodeReadable.h"

@implementation NSSet (HYBUnicodeReadable)

#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 = (level > 0) ? tabString : @"\t";
    
    [desc appendString:@"{(\n"];
    
    NSArray *tempArray = [self allObjects];
    
    for (int i = 0; i < tempArray.count; i++)
    {
        id obj = tempArray[i];
        
        if ([obj isKindOfClass:[NSDictionary class]]
            || [obj isKindOfClass:[NSArray class]]
            || [obj isKindOfClass:[NSSet class]])
        {
            NSString *str = [((NSDictionary *)obj) descriptionWithLocale:locale indent:level + 1];
            (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t%@\n", tab, str] : [desc appendFormat:@"%@\t%@,\n", tab, str];
        }
        else if ([obj isKindOfClass:[NSString class]])
        {
            (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t\"%@\"\n", tab, obj] : [desc appendFormat:@"%@\t\"%@\",\n", tab, obj];
        }
        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];
                    (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t%@\n", tab, str] : [desc appendFormat:@"%@\t%@,\n", tab, str];
                }
                else if ([obj isKindOfClass:[NSString class]])
                {
                    (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t\"%@\"\n", tab, result] : [desc appendFormat:@"%@\t\"%@\",\n", tab, result];
                }
            }
            else {
                @try {
                    NSString *str = [[NSString alloc] initWithData:obj encoding:NSUTF8StringEncoding];
                    if (str != nil) {
                        (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t\"%@\"\n", tab, str] : [desc appendFormat:@"%@\t\"%@\",\n", tab, str];
                    } else {
                        (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t%@\n", tab, obj] : [desc appendFormat:@"%@\t%@,\n", tab, obj];
                    }
                }
                @catch (NSException *exception) {
                    (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t%@\n", tab, obj] : [desc appendFormat:@"%@\t%@,\n", tab, obj];
                }
            }
        } else {
            (i == (tempArray.count-1)) ? [desc appendFormat:@"%@\t%@\n", tab, obj] : [desc appendFormat:@"%@\t%@,\n", tab, obj];
        }
    }
    
    [desc appendFormat:@"%@)}", tab];
    
    return desc;
}

#endif

@end