hoge.m

@implementation Hoge

- (NSAttributedString *)expandAttributedContent {
    DONStatusContentParser *parser = [[DONStatusContentParser alloc] initWithString:self.content];
    [parser parse];
    
    NSMutableAttributedString *body = [[NSMutableAttributedString alloc] initWithString:parser.textContent];
    [parser.linkRanges enumerateObjectsUsingBlock:^(NSValue * _Nonnull value, NSUInteger idx, BOOL * _Nonnull stop) {
        NSRange range = value.rangeValue;
        [body addAttribute:NSLinkAttributeName value:[parser.textContent substringWithRange:range] range:range];
    }];
    
    if (self.spoilerText.length) {
        [body insertAttributedString:[[NSAttributedString alloc] initWithString:self.spoilerText] atIndex:0];
        return body;
    } else {
        return body;
    }
}

@end