/*
* 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 "OFASN1NumericString.h"
#import "OFData.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
@implementation OFASN1NumericString
@synthesize numericStringValue = _numericStringValue;
+ (instancetype)stringWithString: (OFString *)string
{
return [[[self alloc] initWithString: string] autorelease];
}
- (instancetype)initWithString: (OFString *)string
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
const char *cString = string.UTF8String;
size_t length = string.UTF8StringLength;
for (size_t i = 0; i < length; i++)
if (!OFASCIIIsDigit(cString[i]) && cString[i] != ' ')
@throw [OFInvalidEncodingException exception];
_numericStringValue = [string copy];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithTagClass: (OFASN1TagClass)tagClass
tagNumber: (OFASN1TagNumber)tagNumber
constructed: (bool)constructed
DEREncodedContents: (OFData *)DEREncodedContents
{
void *pool = objc_autoreleasePoolPush();
OFString *numericString;
@try {
if (tagClass != OFASN1TagClassUniversal ||
tagNumber != OFASN1TagNumberNumericString || constructed)
@throw [OFInvalidArgumentException exception];
if (DEREncodedContents.itemSize != 1)
@throw [OFInvalidArgumentException exception];
numericString = [OFString
stringWithCString: DEREncodedContents.items
encoding: OFStringEncodingASCII
length: DEREncodedContents.count];
} @catch (id e) {
[self release];
@throw e;
}
self = [self initWithString: numericString];
objc_autoreleasePoolPop(pool);
return self;
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (void)dealloc
{
[_numericStringValue release];
[super dealloc];
}
- (OFString *)stringValue
{
return self.numericStringValue;
}
- (bool)isEqual: (id)object
{
OFASN1NumericString *numericString;
if (object == self)
return true;
if (![object isKindOfClass: [OFASN1NumericString class]])
return false;
numericString = object;
if (![numericString->_numericStringValue isEqual: _numericStringValue])
return false;
return true;
}
- (unsigned long)hash
{
return _numericStringValue.hash;
}
- (OFString *)description
{
return [OFString stringWithFormat: @"<OFASN1NumericString: %@>",
_numericStringValue];
}
@end