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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1160 72102866-910b-0410-8b05-ffd578937521
126 lines
3 KiB
Objective-C
126 lines
3 KiB
Objective-C
/* Implementation for Objective-C MappedCollector collection object
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Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Created: May 1993
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This file is part of the GNU Objective C Class Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <objects/MappedCollector.h>
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#include <objects/Dictionary.h>
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#include <objects/CollectionPrivate.h>
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@implementation MappedCollector
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/* This is the designated initializer for this class */
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- initWithCollection: (id <KeyedCollecting>)aDomain
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map: (id <KeyedCollecting>)aMap
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{
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_map = aMap;
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_domain = aDomain;
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return self;
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}
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/* Archiving must mimic the above designated initializer */
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- (void) encodeWithCoder: anEncoder
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{
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[self notImplemented:_cmd];
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}
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+ newWithCoder: aDecoder
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{
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[self notImplemented:_cmd];
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return self;
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}
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/* Override our superclass' designated initializer */
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- initWithObjects: (id*)objects forKeys: (id*)keys count: (unsigned)c
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{
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[self notImplemented: _cmd];
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return nil;
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}
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/* Empty copy must empty an allocCopy'ed version of self */
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- emptyCopy
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{
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MappedCollector *copy = [super emptyCopy];
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copy->_map = [_map emptyCopy];
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copy->_domain = [_domain emptyCopy];
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return copy;
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}
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/* This must work without sending any messages to content objects */
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- (void) empty
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{
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[_domain empty];
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}
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- objectAtKey: aKey
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{
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return [_domain objectAtKey: [_map objectAtKey: aKey]];
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}
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- keyOfObject: aContentObject
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{
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[self notImplemented: _cmd];
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return self;
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}
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- (void) replaceObjectAtKey: aKey with: newObject
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{
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return [_domain replaceObjectAtKey: [_map objectAtKey: aKey]
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with: newObject];
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}
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- (void) putObject: newObject atKey: aKey
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{
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return [_domain putObject: newObject
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atKey: [_map objectAtKey:aKey]];
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}
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- (void) removeObjectAtKey: aKey
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{
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return [_domain removeObjectAtKey: [_map objectAtKey: aKey]];
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}
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- (BOOL) containsKey: aKey
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{
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return [_domain containsKey: [_map objectAtKey:aKey]];
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}
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- nextObjectAndKey: (id*)keyPtr withEnumState: (void**)enumState
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{
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id mapContent;
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id domainKey;
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while ((mapContent = [_map nextObjectAndKey:keyPtr withEnumState:enumState])
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&&
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(![_domain containsKey: (domainKey = [_map objectAtKey:*keyPtr])]))
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;
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if (mapContent == NO_OBJECT)
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return NO_OBJECT;
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return [_domain objectAtKey: domainKey];
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}
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- species
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{
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return [Dictionary class];
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}
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@end
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