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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Andrew McCallum 1994-11-04 16:29:24 +00:00
commit 0098375b73
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Source/RBTreeNode.m Normal file
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/* Implementation for Objective-C RBTreeNode objects
Copyright (C) 1993,1994 Free Software Foundation, Inc.
Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
Date: May 1993
This file is part of the GNU Objective C Class 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 <objects/RBTreeNode.h>
@implementation RBTreeNode
+ initialize
{
if (self == [RBTreeNode class])
[self setVersion:0]; /* beta release */
return self;
}
- init
{
[super init];
_red = YES;
return self;
}
- (void) encodeWithCoder: (Coder*)aCoder
{
[super encodeWithCoder:aCoder];
[aCoder encodeValueOfType:@encode(BOOL) at:&_red withName:"RBTreeNode isRed"];
}
+ newWithCoder: (Coder*)aCoder
{
RBTreeNode *n = [super newWithCoder:aCoder];
[aCoder decodeValueOfType:@encode(BOOL) at:&(n->_red) withName:NULL];
return n;
}
- write: (TypedStream*)aStream
{
[super write:aStream];
objc_write_type(aStream, @encode(BOOL), &_red);
return self;
}
- read: (TypedStream*)aStream
{
[super read:aStream];
objc_read_type(aStream, @encode(BOOL), &_red);
return self;
}
- (BOOL) isRed
{
return _red;
}
- setRed
{
_red = YES;
return self;
}
- setBlack
{
_red = NO;
return self;
}
@end