Initial revision

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1 72102866-910b-0410-8b05-ffd578937521

Source/objects/IndexedCollectionPrivate.h

@@ -0,0 +1,47 @@
+/* IndexedCollection definitions for the use of subclass implementations only
+   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.
+*/ 
+
+#ifndef __IndexedCollectionPrivate_h_INCLUDE_GNU
+#define __IndexedCollectionPrivate_h_INCLUDE_GNU
+
+#include <objects/stdobjects.h>
+#include <objects/CollectionPrivate.h>
+
+/* To be used inside a method for making sure that index
+   is not above range.
+*/
+#define CHECK_INDEX_RANGE_ERROR(INDEX, OVER) \
+({if (INDEX >= OVER) \
+  [self error:"in %s, index out of range", sel_get_name(_cmd)];})
+
+
+/* For use with subclasses of IndexedCollections that allow elements to
+   be added, but not added at particular indices---the collection itself 
+   determines the order.
+*/
+#define INSERTION_ERROR() \
+([self error:"in %s, this collection does not allow insertions", \
+	sel_get_name(aSel)];)
+
+
+#endif /* __IndexedCollectionPrivate_h_INCLUDE_GNU */