/* * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 * Jonathan Schleifer <js@webkeks.org> * * 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" #include <stdlib.h> #import "OFCountedSet.h" #import "OFCountedSet_hashtable.h" #import "OFNumber.h" #import "OFString.h" #import "OFXMLElement.h" #import "autorelease.h" static struct { Class isa; } placeholder; @interface OFCountedSet_placeholder: OFCountedSet @end @implementation OFCountedSet_placeholder - init { return (id)[[OFCountedSet_hashtable alloc] init]; } - initWithSet: (OFSet*)set { return (id)[[OFCountedSet_hashtable alloc] initWithSet: set]; } - initWithArray: (OFArray*)array { return (id)[[OFCountedSet_hashtable alloc] initWithArray: array]; } - initWithObjects: (id)firstObject, ... { id ret; va_list arguments; va_start(arguments, firstObject); ret = [[OFCountedSet_hashtable alloc] initWithObject: firstObject arguments: arguments]; va_end(arguments); return ret; } - initWithObjects: (id const*)objects count: (size_t)count { return (id)[[OFCountedSet_hashtable alloc] initWithObjects: objects count: count]; } - initWithObject: (id)firstObject arguments: (va_list)arguments { return (id)[[OFCountedSet_hashtable alloc] initWithObject: firstObject arguments: arguments]; } - initWithSerialization: (OFXMLElement*)element { return (id)[[OFCountedSet_hashtable alloc] initWithSerialization: element]; } - retain { return self; } - autorelease { return self; } - (void)release { } - (void)dealloc { [self doesNotRecognizeSelector: _cmd]; abort(); /* Get rid of a stupid warning */ [super dealloc]; } @end @implementation OFCountedSet + (void)initialize { if (self == [OFCountedSet class]) placeholder.isa = [OFCountedSet_placeholder class]; } + alloc { if (self == [OFCountedSet class]) return (id)&placeholder; return [super alloc]; } - init { if (object_getClass(self) == [OFCountedSet class]) { @try { [self doesNotRecognizeSelector: _cmd]; abort(); } @catch (id e) { [self release]; @throw e; } } return [super init]; } - (size_t)countForObject: (id)object { [self doesNotRecognizeSelector: _cmd]; abort(); } - (OFString*)description { OFMutableString *ret; void *pool; OFEnumerator *enumerator; size_t i, count = [self count]; id object; if (count == 0) return @"{()}"; ret = [OFMutableString stringWithString: @"{(\n"]; pool = objc_autoreleasePoolPush(); enumerator = [self objectEnumerator]; i = 0; while ((object = [enumerator nextObject]) != nil) { void *pool2 = objc_autoreleasePoolPush(); [ret appendString: object]; [ret appendFormat: @": %zu", [self countForObject: object]]; if (++i < count) [ret appendString: @",\n"]; objc_autoreleasePoolPop(pool2); } [ret replaceOccurrencesOfString: @"\n" withString: @"\n\t"]; [ret appendString: @"\n)}"]; [ret makeImmutable]; objc_autoreleasePoolPop(pool); return ret; } - copy { return [[OFCountedSet alloc] initWithSet: self]; } - mutableCopy { return [[OFCountedSet alloc] initWithSet: self]; } - (OFXMLElement*)XMLElementBySerializing { void *pool = objc_autoreleasePoolPush(); OFXMLElement *element; OFEnumerator *enumerator; id <OFSerialization> object; element = [OFXMLElement elementWithName: @"OFCountedSet" namespace: OF_SERIALIZATION_NS]; enumerator = [self objectEnumerator]; while ((object = [enumerator nextObject]) != nil) { void *pool2 = objc_autoreleasePoolPush(); OFXMLElement *objectElement; OFString *count; count = [OFString stringWithFormat: @"%zu", [self countForObject: object]]; objectElement = [OFXMLElement elementWithName: @"object" namespace: OF_SERIALIZATION_NS]; [objectElement addAttributeWithName: @"count" stringValue: count]; [objectElement addChild: [object XMLElementBySerializing]]; [element addChild: objectElement]; objc_autoreleasePoolPop(pool2); } [element retain]; objc_autoreleasePoolPop(pool); return [element autorelease]; } #ifdef OF_HAVE_BLOCKS - (void)enumerateObjectsAndCountUsingBlock: (of_counted_set_enumeration_block_t)block { [self enumerateObjectsUsingBlock: ^ (id object, BOOL *stop) { block(object, [self countForObject: object], stop); }]; } #endif - (void)minusSet: (OFSet*)set { void *pool = objc_autoreleasePoolPush(); if ([set isKindOfClass: [OFCountedSet class]]) { OFCountedSet *countedSet = (OFCountedSet*)set; OFEnumerator *enumerator = [countedSet objectEnumerator]; id object; while ((object = [enumerator nextObject]) != nil) { size_t i, count = [countedSet countForObject: object]; for (i = 0; i < count; i++) [self removeObject: object]; } } else { OFEnumerator *enumerator = [set objectEnumerator]; id object; while ((object = [enumerator nextObject]) != nil) [self removeObject: object]; } objc_autoreleasePoolPop(pool); } - (void)unionSet: (OFSet*)set { void *pool = objc_autoreleasePoolPush(); if ([set isKindOfClass: [OFCountedSet class]]) { OFCountedSet *countedSet = (OFCountedSet*)set; OFEnumerator *enumerator = [countedSet objectEnumerator]; id object; while ((object = [enumerator nextObject]) != nil) { size_t i, count = [countedSet countForObject: object]; for (i = 0; i < count; i++) [self addObject: object]; } } else { OFEnumerator *enumerator = [set objectEnumerator]; id object; while ((object = [enumerator nextObject]) != nil) [self addObject: object]; } objc_autoreleasePoolPop(pool); } @end