Artifact 341cd0aa78a7ad9b853c02d05c8674656f397cffefd0776273abc1bac74953e7:
- File
src/OFASN1PrintableString.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: 2783) [annotate] [blame] [check-ins using]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018 * 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 "OFASN1PrintableString.h" #import "OFData.h" #import "OFString.h" #import "OFInvalidArgumentException.h" #import "OFInvalidEncodingException.h" @implementation OFASN1PrintableString @synthesize printableStringValue = _printableStringValue; - (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 { const unsigned char *items = [DEREncodedContents items]; size_t count = [DEREncodedContents count]; 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]; for (size_t i = 0; i < count; i++) { if (of_ascii_isalnum(items[i])) continue; switch (items[i]) { case ' ': case '\'': case '(': case ')': case '+': case ',': case '-': case '.': case '/': case ':': case '=': case '?': continue; default: @throw [OFInvalidEncodingException exception]; } } _printableStringValue = [[OFString alloc] initWithCString: [DEREncodedContents items] encoding: OF_STRING_ENCODING_ASCII length: [DEREncodedContents count]]; } @catch (id e) { [self release]; @throw e; } return self; } - (void)dealloc { [_printableStringValue release]; [super dealloc]; } - (OFString *)stringValue { return [self printableStringValue]; } - (bool)isEqual: (id)object { OFASN1PrintableString *printableString; if (![object isKindOfClass: [OFASN1PrintableString class]]) return false; printableString = object; if (![printableString->_printableStringValue isEqual: _printableStringValue]) return false; return true; } - (uint32_t)hash { return [_printableStringValue hash]; } - (OFString *)description { return [OFString stringWithFormat: @"<OFASN1PrintableString: %@>", _printableStringValue]; } @end