/***************************************************************************** * VLCHexNumberFormatter.m ***************************************************************************** * Copyright (C) 2017 VLC authors and VideoLAN * $Id$ * * Authors: Marvin Scholz * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ #import "VLCHexNumberFormatter.h" @implementation VLCHexNumberFormatter - (NSString *)stringForObjectValue:(id)obj { if (![obj isKindOfClass:[NSNumber class]]) { return nil; } NSString *string = [NSString stringWithFormat:@"%06" PRIX32, [obj intValue]]; return string; } - (BOOL)getObjectValue:(out id _Nullable __autoreleasing *)obj forString:(NSString *)string errorDescription:(out NSString *__autoreleasing _Nullable *)error { unsigned result = 0; NSScanner *scanner = [NSScanner scannerWithString:string]; BOOL success = [scanner scanHexInt:&result]; *obj = (success) ? [NSNumber numberWithInt:result] : nil; return success; } @end