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0098375b73
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1 72102866-910b-0410-8b05-ffd578937521
97 lines
2.2 KiB
Objective-C
97 lines
2.2 KiB
Objective-C
/* Implementation for Objective-C LinkedListNode object
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Copyright (C) 1993,1994 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Date: 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/LinkedListNode.h>
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#include <objects/Coder.h>
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@implementation LinkedListNode
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+ initialize
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{
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if (self == [LinkedListNode class])
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[self setVersion:0]; /* beta release */
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return self;
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}
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- init
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{
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[super init];
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_next = _prev = nil;
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return self;
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}
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- (void) encodeWithCoder: (Coder*)aCoder
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{
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[super encodeWithCoder:aCoder];
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[aCoder encodeObjectReference:_next withName:"Next LinkedList Node"];
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[aCoder encodeObjectReference:_prev withName:"Prev LinkedList Node"];
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}
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+ newWithCoder: (Coder*)aCoder
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{
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LinkedListNode *n = [super newWithCoder:aCoder];
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[aCoder decodeObjectAt:&(n->_next) withName:NULL];
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[aCoder decodeObjectAt:&(n->_prev) withName:NULL];
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return n;
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}
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- write: (TypedStream*)aStream
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{
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[super write:aStream];
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objc_write_object_reference(aStream, _next);
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objc_write_object_reference(aStream, _prev);
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return self;
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}
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- read: (TypedStream*)aStream
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{
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[super read:aStream];
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objc_read_object(aStream, &_next);
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objc_read_object(aStream, &_prev);
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return self;
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}
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- (id <LinkedListComprising>) nextLink
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{
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return _next;
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}
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- (id <LinkedListComprising>) prevLink
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{
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return _prev;
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}
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- setNextLink: (id <LinkedListComprising>)aLink
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{
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_next = aLink;
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return self;
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}
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- setPrevLink: (id <LinkedListComprising>)aLink
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{
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_prev = aLink;
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return self;
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}
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@end
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