/* * Copyright (c) 2008-2021 Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This file is part of ObjFW. It may be distributed under the terms of the * Q Public License 1.0, which can be found in the file LICENSE.QPL included in * the packaging of this file. * * Alternatively, it may be distributed under the terms of the GNU General * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #import "OFASN1Boolean.h" #import "OFData.h" #import "OFString.h" #import "OFInvalidArgumentException.h" #import "OFInvalidFormatException.h" @implementation OFASN1Boolean @synthesize booleanValue = _booleanValue; + (instancetype)booleanWithBooleanValue: (bool)booleanValue { return [[[self alloc] initWithBooleanValue: booleanValue] autorelease]; } - (instancetype)initWithBooleanValue: (bool)booleanValue { self = [super init]; _booleanValue = booleanValue; return self; } - (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass tagNumber: (of_asn1_tag_number_t)tagNumber constructed: (bool)constructed DEREncodedContents: (OFData *)DEREncodedContents { unsigned char value; @try { if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL || tagNumber != OF_ASN1_TAG_NUMBER_BOOLEAN || constructed) @throw [OFInvalidArgumentException exception]; if (DEREncodedContents.itemSize != 1 || DEREncodedContents.count != 1) @throw [OFInvalidFormatException exception]; value = *(unsigned char *)[DEREncodedContents itemAtIndex: 0]; if (value != 0 && value != 0xFF) @throw [OFInvalidFormatException exception]; } @catch (id e) { [self release]; @throw e; } return [self initWithBooleanValue: !!value]; } - (instancetype)init { OF_INVALID_INIT_METHOD } - (OFData *)ASN1DERRepresentation { char buffer[] = { OF_ASN1_TAG_NUMBER_BOOLEAN, 1, (_booleanValue ? 0xFF : 0x00) }; return [OFData dataWithItems: buffer count: sizeof(buffer)]; } - (bool)isEqual: (id)object { OFASN1Boolean *boolean; if (object == self) return true; if (![object isKindOfClass: [OFASN1Boolean class]]) return false; boolean = object; if (boolean->_booleanValue != _booleanValue) return false; return true; } - (unsigned long)hash { return _booleanValue; } - (OFString *)description { return (_booleanValue ? @"<OFASN1Boolean: true>" : @"<OFASN1Boolean: false>"); } @end