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/* NSCFSet.m
Copyright (C) 2013 Free Software Foundation, Inc.
Written by: Lubos Dolezel
Date: March, 2013
This file is part of GNUstep CoreBase Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#import <Foundation/NSSet.h>
#import <Foundation/NSArray.h>
#include "NSCFType.h"
#include "CoreFoundation/CFSet.h"
@interface NSCFSet : NSMutableSet
NSCFTYPE_VARS
@end
@interface NSSet (CoreBaseAdditions)
- (CFTypeID) _cfTypeID;
- (id) _cfGetValue: (id) value;
- (void) _cfGetValues: (id[]) values;
@end
@interface NSMutableSet (CoreBaseAdditions)
- (void) _cfReplaceValue: (id) value;
- (void) _cfSetValue: (id) value;
@end
@implementation NSCFSet
+ (void) load
{
NSCFInitialize ();
}
+ (void) initialize
{
GSObjCAddClassBehavior (self, [NSCFType class]);
}
- (id) initWithObjects: (const id[])objects
count: (NSUInteger)count
{
RELEASE(self);
self = (NSCFSet*) CFSetCreate(NULL, (const void**)objects, count,
&kCFTypeSetCallBacks);
return self;
}
- (NSUInteger) count
{
return CFSetGetCount((CFSetRef)self);
}
- (id) member: (id)anObject
{
id retval;
if (CFSetGetValueIfPresent((CFSetRef)self, anObject,
(const void **)&retval))
{
return retval;
}
else
{
return NULL;
}
}
- (NSEnumerator*) objectEnumerator
{
NSArray *array;
const void* values;
const CFIndex count = CFSetGetCount((CFSetRef)self);
values = malloc(sizeof(void*) * count);
CFSetGetValues((CFSetRef)self, &values);
array = [NSArray arrayWithObjects: (const id*)values
count: count];
free((void*)values);
return [array objectEnumerator];
}
- (NSUInteger) countByEnumeratingWithState: (NSFastEnumerationState*)state
objects: (id*)stackbuf
count: (NSUInteger)len
{
// TODO: inefficient
NSEnumerator *enuM = [self objectEnumerator];
return [enuM countByEnumeratingWithState: state
objects: stackbuf
count: len];
}
- (void) addObject: (id)anObject
{
CFSetAddValue((CFMutableSetRef) self, anObject);
}
- (void) removeObject: (id)anObject
{
CFSetRemoveValue((CFMutableSetRef) self, anObject);
}
- (void) removeAllObjects
{
CFSetRemoveAllValues((CFMutableSetRef) self);
}
@end
@implementation NSSet (CoreBaseAdditions)
- (CFTypeID) _cfTypeID
{
return CFSetGetTypeID();
}
- (id) _cfGetValue: (id) value
{
NSEnumerator *enuM = [self objectEnumerator];
id elem;
while ((elem = [enuM nextObject]))
{
if ([elem isEqual: value])
return elem;
}
return NULL;
}
- (void) _cfGetValues: (id[]) values
{
NSArray *array = [self allObjects];
[array getObjects: values
range: NSMakeRange(0, [self count])];
}
@end
@implementation NSMutableSet (CoreBaseAdditions)
- (void) _cfReplaceValue: (id) value
{
if ([self containsObject: value])
{
[self removeObject: value];
[self addObject: value];
}
}
- (void) _cfSetValue: (id) value
{
[self removeObject: value];
[self addObject: value];
}
@end
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