2 Copyright (C) 2000-2003 SKYRIX Software AG
4 This file is part of OGo
6 OGo is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License as published by the
8 Free Software Foundation; either version 2, or (at your option) any
11 OGo is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
14 License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with OGo; see the file COPYING. If not, write to the
18 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
24 #import "NSDictionary+misc.h"
26 @implementation NSDictionary(misc)
28 - (NSDictionary *)dictionaryByExchangingKeysAndValues {
29 NSDictionary *reverse;
34 oKeys = [self allKeys];
35 if ((len = [oKeys count]) == 0)
36 return [[self copy] autorelease];
38 keys = calloc(len + 10, sizeof(id));
39 values = calloc(len + 10, sizeof(id));
40 for (i = 0; i < len; i++) {
41 values[i] = [oKeys objectAtIndex:i];
42 keys[i] = [self objectForKey:values[i]];
46 [[NSDictionary alloc] initWithObjects:values forKeys:keys count:len];
49 return [reverse autorelease];
52 @end /* NSDictionary(misc) */
54 @implementation NSMutableDictionary(misc)
56 - (void)removeObjectsForKeysV:(id)_firstKey, ... {
59 va_start(ap, _firstKey);
61 [self removeObjectForKey:_firstKey];
62 _firstKey = va_arg(ap, id);
67 @end /* NSMutableDictionary(misc) */
69 void __link_NSDictionary_misc() {
70 __link_NSDictionary_misc();