Differences From Artifact [94a9ef2a4a]:
- File src/OFASN1ObjectIdentifier.m — part of check-in [cfed9215e4] at 2018-10-14 22:41:52 on branch trunk — Add ASN.1 Object Identifier type (user: js, size: 3097) [annotate] [blame] [check-ins using]
To Artifact [84db523991]:
- File
src/OFASN1ObjectIdentifier.m
— part of check-in
[b1944fd052]
at
2018-10-27 13:01:38
on branch trunk
— Do not subclass OFASN1Value
The reason for this is that OFASN1Value requires an initializer for DER
encoding, however, it might be beneficial to create an ASN.1 type
without providing DER encoding for it. (user: js, size: 3393) [annotate] [blame] [check-ins using]
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#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
@implementation OFASN1ObjectIdentifier
@synthesize subidentifiers = _subidentifiers;
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
tagNumber: (of_asn1_tag_number_t)tagNumber
constructed: (bool)constructed
DEREncodedContents: (OFData *)DEREncodedContents
{
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#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
@implementation OFASN1ObjectIdentifier
@synthesize subidentifiers = _subidentifiers;
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
tagNumber: (of_asn1_tag_number_t)tagNumber
constructed: (bool)constructed
DEREncodedContents: (OFData *)DEREncodedContents
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
const unsigned char *items = [DEREncodedContents items];
size_t count = [DEREncodedContents count];
OFMutableArray *subidentifiers = [OFMutableArray array];
uintmax_t value = 0;
uint_fast8_t bits = 0;
if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
tagNumber != OF_ASN1_TAG_NUMBER_OBJECT_IDENTIFIER ||
constructed)
@throw [OFInvalidArgumentException exception];
if ([DEREncodedContents itemSize] != 1 || count == 0)
@throw [OFInvalidArgumentException exception];
for (size_t i = 0; i < count; i++) {
if (bits == 0 && items[i] == 0x80)
@throw [OFInvalidFormatException exception];
value = (value << 7) | (items[i] & 0x7F);
bits += 7;
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- (void)dealloc
{
[_subidentifiers release];
[super dealloc];
}
- (OFString *)description
{
return [OFString stringWithFormat:
@"<OFASN1ObjectIdentifier: %@>",
[_subidentifiers componentsJoinedByString: @"."]];
}
@end
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- (void)dealloc
{
[_subidentifiers release];
[super dealloc];
}
- (bool)isEqual: (id)object
{
OFASN1ObjectIdentifier *objectIdentifier;
if (![object isKindOfClass: [OFASN1ObjectIdentifier class]])
return false;
objectIdentifier = object;
if (![objectIdentifier->_subidentifiers isEqual: _subidentifiers])
return false;
return true;
}
- (uint32_t)hash
{
return [_subidentifiers hash];
}
- (OFString *)description
{
return [OFString stringWithFormat:
@"<OFASN1ObjectIdentifier: %@>",
[_subidentifiers componentsJoinedByString: @"."]];
}
@end
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