libs-base/Source/TreeNode.m
Andrew McCallum c8a1cf2fef Changes from home. See ChangeLog Aug 5 through Aug 25
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1662 72102866-910b-0410-8b05-ffd578937521
1996-09-02 13:20:20 +00:00

101 lines
2.2 KiB
Objective-C

/* Implementation for Objective-C TreeNode object
Copyright (C) 1993,1994, 1995, 1996 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Date: May 1993
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <gnustep/base/TreeNode.h>
#include <gnustep/base/Array.h>
@implementation TreeNode
+ initialize
{
if (self == [TreeNode class])
[self setVersion:0]; /* beta release */
return self;
}
+ defaultChildrenCollectionClass
{
return [Array class];
}
- initWithChildren: (id <Collecting>)kids
{
[super init];
_parent = [self nilNode];
_children = kids;
return self;
}
- init
{
[self initWithChildren:[[[self defaultChildrenCollectionClass] alloc] init]];
return self;
}
- (void) dealloc
{
[_children release];
[super dealloc];
}
- (void) encodeWithCoder: aCoder
{
[super encodeWithCoder:aCoder];
[aCoder encodeObjectReference:_parent withName:@"Parent Tree Node"];
[aCoder encodeObject:_children withName:@"Children of Tree Node"];
}
- initWithCoder: aCoder
{
[self initWithCoder:aCoder];
[aCoder decodeObjectAt:&_parent withName:NULL];
[aCoder decodeObjectAt:&_children withName:NULL];
return n;
}
- children
{
return _children;
}
- parentNode
{
return _parent;
}
- (void) setChildren: (id <IndexedCollecting>)kids
{
[kids retain];
[_children release];
_children = kids;
return self;
}
- (void) setParentNode: aNode
{
_parent = aNode;
return self;
}
@end