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1a34c9461b
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@948 72102866-910b-0410-8b05-ffd578937521
97 lines
2.7 KiB
Objective-C
97 lines
2.7 KiB
Objective-C
/* Callbacks for the Objective-C object type.
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* Copyright (C) 1996 Free Software Foundation, Inc.
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*
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* Author: Albin L. Jones <Albin.L.Jones@Dartmouth.EDU>
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* Created: Sat Feb 10 15:55:51 EST 1996
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* Updated: Sun Feb 11 01:42:20 EST 1996
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* Serial: 96.02.11.05
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*
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* This file is part of the GNU Objective C Class Library.
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*
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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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*
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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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*
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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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*/
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/**** Included Headers *******************************************************/
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#include <stdlib.h>
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#include <objects/callbacks.h>
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#include <objects/stdobjects.h>
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/**** Type, Constant, and Macro Definitions **********************************/
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objects_callbacks_t objects_callbacks_for_id =
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{
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(objects_hash_func_t) objects_id_hash,
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(objects_compare_func_t) objects_id_compare,
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(objects_is_equal_func_t) objects_id_is_equal,
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(objects_retain_func_t) objects_id_retain,
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(objects_release_func_t) objects_id_release,
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(objects_describe_func_t) objects_id_describe,
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0
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};
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/**** Function Implementations ***********************************************/
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/* FIXME: It sure would be nice if we had a way of checking whether
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* or not these objects responded to the messages we're sending them here.
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* We need a way that is independent of whether we have GNUStep objects,
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* NEXTSTEP objects, or GNU objects. We could certainly just use the
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* same trick that the `respondsToSelector:' method uses, but I'd hoped
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* that there was already a built-in call to do this sort of thing. */
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size_t
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objects_id_hash(const void *obj)
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{
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return (size_t)[(id)obj hash];
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}
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int
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objects_id_compare(const void *obj, const void *jbo)
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{
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return (int)[(id)obj compare:(id)jbo];
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}
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int
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objects_id_is_equal(const void *obj, const void *jbo)
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{
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return (int)[(id)obj isEqual:(id)jbo];
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}
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const void *
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objects_id_retain(const void *obj)
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{
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return [(id)obj retain];
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}
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void
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objects_id_release(const void *obj)
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{
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[(id)obj release];
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return;
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}
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const void *
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objects_id_describe (const void *obj)
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{
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/* FIXME: Harrumph. Make all of these describe functions live
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* in harmony. Please. */
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#if 0
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return [(id)obj describe];
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#else
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return 0;
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#endif
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}
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