/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012
* 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"
#import "OFCountedSet.h"
#import "OFCountedSet_hashtable.h"
#import "OFNumber.h"
#import "OFString.h"
#import "OFXMLElement.h"
#import "OFAutoreleasePool.h"
#import "OFNotImplementedException.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
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
[super dealloc]; /* Get rid of a stupid warning */
}
@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 (isa == [OFCountedSet class]) {
Class c = isa;
[self release];
@throw [OFNotImplementedException exceptionWithClass: c
selector: _cmd];
}
return [super init];
}
- (size_t)countForObject: (id)object
{
@throw [OFNotImplementedException exceptionWithClass: isa
selector: _cmd];
}
- (OFString*)description
{
OFMutableString *ret;
OFAutoreleasePool *pool, *pool2;
OFEnumerator *enumerator;
size_t i, count = [self count];
id object;
if (count == 0)
return @"{()}";
ret = [OFMutableString stringWithString: @"{(\n"];
pool = [[OFAutoreleasePool alloc] init];
enumerator = [self objectEnumerator];
i = 0;
pool2 = [[OFAutoreleasePool alloc] init];
while ((object = [enumerator nextObject]) != nil) {
[ret appendString: object];
[ret appendFormat: @": %zu", [self countForObject: object]];
if (++i < count)
[ret appendString: @",\n"];
[pool2 releaseObjects];
}
[ret replaceOccurrencesOfString: @"\n"
withString: @"\n\t"];
[ret appendString: @"\n)}"];
[ret makeImmutable];
[pool release];
return ret;
}
- copy
{
return [[OFCountedSet alloc] initWithSet: self];
}
- mutableCopy
{
return [[OFCountedSet alloc] initWithSet: self];
}
- (OFXMLElement*)XMLElementBySerializing
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
OFAutoreleasePool *pool2;
OFXMLElement *element;
OFEnumerator *enumerator;
id <OFSerialization> object;
element = [OFXMLElement elementWithName: @"OFCountedSet"
namespace: OF_SERIALIZATION_NS];
enumerator = [self objectEnumerator];
pool2 = [[OFAutoreleasePool alloc] init];
while ((object = [enumerator nextObject]) != nil) {
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];
[pool2 releaseObjects];
}
[element retain];
[pool release];
[element autorelease];
return element;
}
#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
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
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];
}
[pool release];
}
- (void)unionSet: (OFSet*)set
{
OFAutoreleasePool *pool = [[OFAutoreleasePool alloc] init];
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];
}
[pool release];
}
@end