Parse terrible news.ycombinator.com HTML in Obj-C with Hpple

gistfile1.m

- (void)loadCommentsOnStoryWithID:(NSString *)storyID result:(void(^)(NSArray *results))completionBlock
{
    NSString *queryURLString = [NSString stringWithFormat:@"https://news.ycombinator.com/item?id=%@",storyID];
    NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:queryURLString] cachePolicy:NSURLRequestReturnCacheDataElseLoad timeoutInterval:10];
    AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
    [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject)
    {
        
        NSMutableArray *comments = [NSMutableArray new];
        
        TFHpple * doc       = [[TFHpple alloc] initWithHTMLData:responseObject];
        NSArray * elements  = [doc searchWithXPathQuery:@"//html/body/center/table/tr[3]/td/table[2]"];
        
        if (!elements.count) { completionBlock(nil); return; };
        NSArray *rawElements = [[elements objectAtIndex:0] children];
        for (TFHppleElement *element in rawElements)
        {
            TFHpple *comment = [[TFHpple alloc] initWithHTMLData:[[element raw] dataUsingEncoding:NSUTF8StringEncoding]];
            
            NSArray *rawCommentQuery = [comment searchWithXPathQuery:@"//span/font"];
            if (!rawCommentQuery.count)continue;
            NSString *commentHTML = [[rawCommentQuery objectAtIndex:0] raw];
          
            NSArray *indentationLevelQuery = [comment searchWithXPathQuery:@"//td/img"];
            int indentationLevel = [[[indentationLevelQuery objectAtIndex:0] objectForKey:@"width"] intValue] / 40;
            
            NSArray *usernameQuery = [comment searchWithXPathQuery:@"//div/span/a"];
            NSString *username = [[usernameQuery objectAtIndex:0] text];
        
            NSArray *timeQuery = [comment searchWithXPathQuery:@"//td/div/span"];
            NSString *time = [[[timeQuery objectAtIndex:0] text] stringByReplacingOccurrencesOfString:@"  | " withString:@""];
            
            NSArray *replyIDQuery = [comment searchWithXPathQuery:@"//font/u/a"];
            if (!replyIDQuery.count)continue;
            NSString *replyID = [[replyIDQuery objectAtIndex:0] objectForKey:@"href"];
            
            MAMHNComment *newComment = [MAMHNComment new];
            [newComment setComment:commentHTML];
            [newComment setTime:time];
            [newComment setUsername:username];
            [newComment setReplyID:replyID];
            [newComment setIndentationLevel:indentationLevel];
            [comments addObject:newComment];
        }
        completionBlock(comments);
    }
    failure:^(AFHTTPRequestOperation *operation, NSError *error)
    {
        NSLog(@"%@",error.description);
    }];
    [operation start];
    
}