keychain/trust/TrustedPeers/TPCategoryRule.m

   1 /*
   2  * Copyright (c) 2017 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #import "TPCategoryRule.h"
  25
  26
  27 @interface TPCategoryRule ()
  28
  29 @property (nonatomic, copy) NSString *prefix;
  30 @property (nonatomic, copy) NSString *category;
  31
  32 @end
  33
  34
  35 @implementation TPCategoryRule
  36
  37 + (instancetype)ruleWithPrefix:(NSString *)prefix category:(NSString *)category
  38 {
  39     TPCategoryRule *rule = [[TPCategoryRule alloc] init];
  40     rule.prefix = prefix;
  41     rule.category = category;
  42     return rule;
  43 }
  44
  45 - (BOOL)isEqualToCategoryRule:(TPCategoryRule *)other
  46 {
  47     if (other == self) {
  48         return YES;
  49     }
  50     return [self.prefix isEqualToString:other.prefix]
  51         && [self.category isEqualToString:other.category];
  52 }
  53
  54 #pragma mark - NSObject
  55
  56 - (BOOL)isEqual:(id)object
  57 {
  58     if (self == object) {
  59         return YES;
  60     }
  61     if (![object isKindOfClass:[TPCategoryRule class]]) {
  62         return NO;
  63     }
  64     return [self isEqualToCategoryRule:object];
  65 }
  66
  67 - (NSUInteger)hash
  68 {
  69     return [self.prefix hash] ^ [self.category hash];
  70 }
  71
  72 @end