/*
* 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 "OFASN1PrintableString.h"
#import "OFData.h"
#import "OFString.h"
#import "OFInvalidArgumentException.h"
#import "OFInvalidEncodingException.h"
@implementation OFASN1PrintableString
@synthesize printableStringValue = _printableStringValue;
+ (instancetype)stringWithStringValue: (OFString *)stringValue
{
return [[[self alloc] initWithStringValue: stringValue] autorelease];
}
- (instancetype)initWithStringValue: (OFString *)stringValue
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
const char *cString = stringValue.UTF8String;
size_t length = stringValue.UTF8StringLength;
for (size_t i = 0; i < length; i++) {
if (of_ascii_isalnum(cString[i]))
continue;
switch (cString[i]) {
case ' ':
case '\'':
case '(':
case ')':
case '+':
case ',':
case '-':
case '.':
case '/':
case ':':
case '=':
case '?':
continue;
default:
@throw [OFInvalidEncodingException exception];
}
}
_printableStringValue = [stringValue copy];
objc_autoreleasePoolPop(pool);
} @catch (id e) {
[self release];
@throw e;
}
return self;
}
- (instancetype)initWithTagClass: (of_asn1_tag_class_t)tagClass
tagNumber: (of_asn1_tag_number_t)tagNumber
constructed: (bool)constructed
DEREncodedContents: (OFData *)DEREncodedContents
{
void *pool = objc_autoreleasePoolPush();
OFString *printableStringValue;
@try {
if (tagClass != OF_ASN1_TAG_CLASS_UNIVERSAL ||
tagNumber != OF_ASN1_TAG_NUMBER_PRINTABLE_STRING ||
constructed)
@throw [OFInvalidArgumentException exception];
if (DEREncodedContents.itemSize != 1)
@throw [OFInvalidArgumentException exception];
printableStringValue = [OFString
stringWithCString: DEREncodedContents.items
encoding: OF_STRING_ENCODING_ASCII
length: DEREncodedContents.count];
} @catch (id e) {
[self release];
@throw e;
}
self = [self initWithStringValue: printableStringValue];
objc_autoreleasePoolPop(pool);
return self;
}
- (instancetype)init
{
OF_INVALID_INIT_METHOD
}
- (void)dealloc
{
[_printableStringValue release];
[super dealloc];
}
- (OFString *)stringValue
{
return self.printableStringValue;
}
- (bool)isEqual: (id)object
{
OFASN1PrintableString *printableString;
if (object == self)
return true;
if (![object isKindOfClass: [OFASN1PrintableString class]])
return false;
printableString = object;
if (![printableString->_printableStringValue isEqual:
_printableStringValue])
return false;
return true;
}
- (unsigned long)hash
{
return _printableStringValue.hash;
}
- (OFString *)description
{
return [OFString stringWithFormat: @"<OFASN1PrintableString: %@>",
_printableStringValue];
}
@end