/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* Jonathan Schleifer <js@heap.zone>
*
* 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 "OFASN1Enumerated.h"
#import "OFData.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
extern intmax_t of_asn1_der_integer_parse(const unsigned char *buffer,
size_t length);
@implementation OFASN1Enumerated
@synthesize integerValue = _integerValue;
+ (instancetype)enumeratedWithIntegerValue: (intmax_t)integerValue
{
return [[[self alloc] initWithIntegerValue: integerValue] autorelease];
}
- (instancetype)initWithIntegerValue: (intmax_t)integerValue
{
self = [super init];
_integerValue = integerValue;
return self;
}
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
tagNumber: (of_asn1_tag_number_t)tagNumber
constructed: (bool)constructed
DEREncodedContents: (OFData *)DEREncodedContents
{
intmax_t integerValue;
@try {
if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
tagNumber != OF_ASN1_TAG_NUMBER_ENUMERATED || constructed)
@throw [OFInvalidArgumentException exception];
if (DEREncodedContents.itemSize != 1)
@throw [OFInvalidArgumentException exception];
integerValue = of_asn1_der_integer_parse(
DEREncodedContents.items, DEREncodedContents.count);
} @catch (id e) {
[self release];
@throw e;
}
return [self initWithIntegerValue: integerValue];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (bool)isEqual: (id)object
{
OFASN1Enumerated *enumerated;
if (![object isKindOfClass: [OFASN1Enumerated class]])
return false;
enumerated = object;
if (enumerated->_integerValue != _integerValue)
return false;
return true;
}
- (uint32_t)hash
{
return (uint32_t)_integerValue;
}
- (OFString *)description
{
return [OFString stringWithFormat: @"<OFASN1Enumerated: %jd>",
_integerValue];
}
@end