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#import "OFData.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidFormatException.h"
#import "OFOutOfRangeException.h"
intmax_t
uintmax_t value = 0;
unsigned long long value = 0;
/* TODO: Support for big numbers */
if (length > sizeof(uintmax_t) &&
(length != sizeof(uintmax_t) + 1 || buffer[0] != 0))
if (length > sizeof(unsigned long long) &&
(length != sizeof(unsigned long long) + 1 || buffer[0] != 0))
@throw [OFOutOfRangeException exception];
if (length >= 2 && ((buffer[0] == 0 && !(buffer[1] & 0x80)) ||
(buffer[0] == 0xFF && buffer[1] & 0x80)))
@throw [OFInvalidFormatException exception];
if (length >= 1 && buffer[0] & 0x80)
value = ~(uintmax_t)0;
value = ~0ull;
while (length--)
value = (value << 8) | *buffer++;
return value;
}
@implementation OFASN1Integer
@synthesize integerValue = _integerValue;
@synthesize longLongValue = _longLongValue;
+ (instancetype)integerWithIntegerValue: (intmax_t)integerValue
+ (instancetype)integerWithLongLong: (long long)value
{
return [[[self alloc] initWithIntegerValue: integerValue] autorelease];
return [[[self alloc] initWithLongLong: value] autorelease];
}
- (instancetype)initWithIntegerValue: (intmax_t)integerValue
- (instancetype)initWithLongLong: (long long)value
{
self = [super init];
_integerValue = integerValue;
_longLongValue = value;
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;
long long value;
@try {
if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
tagNumber != OF_ASN1_TAG_NUMBER_INTEGER || constructed)
@throw [OFInvalidArgumentException exception];
if (DEREncodedContents.itemSize != 1)
@throw [OFInvalidArgumentException exception];
integerValue = of_asn1_der_integer_parse(
value = of_asn1_der_integer_parse(
DEREncodedContents.items, DEREncodedContents.count);
} @catch (id e) {
[self release];
@throw e;
}
return [self initWithIntegerValue: integerValue];
return [self initWithLongLong: value];
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (bool)isEqual: (id)object
{
OFASN1Integer *integer;
if (object == self)
return true;
if (![object isKindOfClass: [OFASN1Integer class]])
return false;
integer = object;
if (integer->_integerValue != _integerValue)
if (integer->_longLongValue != _longLongValue)
return false;
return true;
}
- (uint32_t)hash
{
return (uint32_t)_integerValue;
return (uint32_t)_longLongValue;
}
- (OFString *)description
{
return [OFString stringWithFormat: @"<OFASN1Integer: %jd>",
_integerValue];
return [OFString stringWithFormat: @"<OFASN1Integer: %lld>",
_longLongValue];
}
@end
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