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68 lines
2 KiB
C
68 lines
2 KiB
C
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/* Interface for Objective-C EltNodeCollector collection 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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/* EltNodeCollector */
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#ifndef __EltNodeCollector_h_INCLUDE_GNU
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#define __EltNodeCollector_h_INCLUDE_GNU
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#include <objects/stdobjects.h>
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#include <objects/IndexedCollection.h>
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/* Protocol for a node that also holds an element */
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@protocol EltHolding
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- initElement: (elt)anElement
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encoding: (const char *)eltEncoding;
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- (elt) elementData;
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@end
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/* It's is a bit unfortunate that we insist that the underlying
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collector conform to IndexedCollecting. */
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@interface EltNodeCollector : IndexedCollection
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{
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@private
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id _contents_collector;
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id _node_class;
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int (*_comparison_function)(elt,elt);
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}
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- initWithType: (const char *)contentEncoding
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nodeCollector: aNodeCollector
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nodeClass: aNodeClass;
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// The class of the autocreated link objects, must conform to <EltHolding>;
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- eltNodeClass;
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// Getting the underlying node collector that holds the contents;
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- contentsCollector;
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// Finding the node that contains anElement;
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- (id <EltHolding>) eltNodeWithElement: (elt)anElement;
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@end
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#endif /* __EltNodeCollector_h_INCLUDE_GNU */
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