Artifact 6855a79df9b5a8a028ef178bf4eb5bf8b3418a09d92e6421325020f2060fbf39:
- File
src/OFPair.m
— part of check-in
[aeb403a1ed]
at
2020-10-10 14:27:37
on branch trunk
— OFObject: Change type of -[hash] to unsigned long
The internal hash is still 32 bit in most places, but this way, it is at
least not baked into the API and ABI and can be upgraded later, should
that ever be necessary. (user: js, size: 2257) [annotate] [blame] [check-ins using] [more...]
/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, * 2018, 2019, 2020 * 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 "OFPair.h" #import "OFString.h" @implementation OFPair + (instancetype)pairWithFirstObject: (id)firstObject secondObject: (id)secondObject { return [[[self alloc] initWithFirstObject: firstObject secondObject: secondObject] autorelease]; } - (instancetype)initWithFirstObject: (id)firstObject secondObject: (id)secondObject { self = [super init]; @try { _firstObject = [firstObject retain]; _secondObject = [secondObject retain]; } @catch (id e) { [self release]; @throw e; } return self; } - (void)dealloc { [_firstObject release]; [_secondObject release]; [super dealloc]; } - (id)firstObject { return _firstObject; } - (id)secondObject { return _secondObject; } - (bool)isEqual: (id)object { OFPair *pair; if (object == self) return true; if (![object isKindOfClass: [OFPair class]]) return false; pair = object; if (pair->_firstObject != _firstObject && ![pair->_firstObject isEqual: _firstObject]) return false; if (pair->_secondObject != _secondObject && ![pair->_secondObject isEqual: _secondObject]) return false; return true; } - (unsigned long)hash { uint32_t hash; OF_HASH_INIT(hash); OF_HASH_ADD_HASH(hash, [_firstObject hash]); OF_HASH_ADD_HASH(hash, [_secondObject hash]); OF_HASH_FINALIZE(hash); return hash; } - (id)copy { return [self retain]; } - (id)mutableCopy { return [[OFMutablePair alloc] initWithFirstObject: _firstObject secondObject: _secondObject]; } - (OFString *)description { return [OFString stringWithFormat: @"<<%@, %@>>", _firstObject, _secondObject]; } @end