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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1 72102866-910b-0410-8b05-ffd578937521
92 lines
2.3 KiB
Objective-C
92 lines
2.3 KiB
Objective-C
/* Interface for Objective-C 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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/* This is the abstract superclass that satisfies the Collecting
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protocol, without using any instance variables.
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*/
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#ifndef __Collection_h_INCLUDE_GNU
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#define __Collection_h_INCLUDE_GNU
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#include <objects/stdobjects.h>
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#include <objc/Object.h>
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#include <objects/Collecting.h>
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#include <objects/stdobjects.h>
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#include <objects/collhash.h>
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#include <objects/Coding.h>
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#include <objects/Coder.h>
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@interface Collection : Object <Collecting, Coding>
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{
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}
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+ initialize;
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- printElement: (elt)anElement;
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- printForDebugger;
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@end
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// #warning fix this macro
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#define FOR_COLL(ACOLL, ELT) \
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{ \
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void *_es = [ACOLL initEnumState]; \
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while ([ACOLL getNextElement:&(ELT) withEnumState:&_es]) \
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{
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#define FOR_COLL_END \
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} \
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[ACOLL freeEnumState:_es]; \
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}
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/* The only subclassResponsibilities in Collection are:
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addElement:
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removeElement:
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getNextElement:withEnumState:
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empty
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But subclasses may need to override the following for correctness:
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contentType
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comparisonFunction
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but subclasses will want to override others as well in order to
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increase efficiency, especially:
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count
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and perhaps:
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includesElement:
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occurrencesOfElement:
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uniqueContents
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withElementsCall:whileTrue:
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withElementsCall:
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isEmpty
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freeObjects
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*/
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#endif /* __Collection_h_INCLUDE_GNU */
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