libs-base/Headers/Foundation/NSSortDescriptor.h
fedor 198dde82bd New implementation of NSSortDescriptor.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@21690 72102866-910b-0410-8b05-ffd578937521
2005-08-30 14:54:43 +00:00

68 lines
2 KiB
Objective-C

/* Interface for NSSortDescriptor for GNUStep
Copyright (C) 2005 Free Software Foundation, Inc.
Written by: Saso Kiselkov <diablos@manga.sk>
Date: 2005
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111 USA.
*/
#ifndef __NSSortDescriptor_h_GNUSTEP_BASE_INCLUDE
#define __NSSortDescriptor_h_GNUSTEP_BASE_INCLUDE
#include <Foundation/NSObject.h>
#include <Foundation/NSArray.h>
@class NSString;
@interface NSSortDescriptor : NSObject <NSCopying, NSCoding>
{
NSString * _key;
BOOL _ascending;
SEL _selector;
}
// initialization
- (id) initWithKey: (NSString *) key ascending: (BOOL) ascending;
- (id) initWithKey: (NSString *) key
ascending: (BOOL) ascending
selector: (SEL) selector;
// getting information about a sort descriptor's setup
- (BOOL) ascending;
- (NSString *) key;
- (SEL) selector;
// using sort descriptors
- (NSComparisonResult) compareObject: (id) object1 toObject: (id) object2;
- (id) reversedSortDescriptor;
@end
@interface NSArray (NSSortDescriptorSorting)
- (NSArray *) sortedArrayUsingDescriptors: (NSArray *) sortDescriptors;
@end
@interface NSMutableArray (NSSortDescriptorSorting)
- (void) sortUsingDescriptors: (NSArray *) sortDescriptors;
@end
#endif /* __NSSortDescriptor_h_GNUSTEP_BASE_INCLUDE */