ftp.nice.ch/pub/next/developer/resources/libraries/libcoll.930521.s.tar.gz#/libcoll-930521/coll/Storage.h

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/* Interface for Objective C NeXT-compatible Storage object

   Copyright (C) 1993 R. Andrew McCallum <mccallum@cs.rochester.edu>
   Dept. of Computer Science, U. of Rochester, Rochester, NY  14627
   Copyright (C) 1993 Kresten Krab Thorup <krab@iesd.auc.dk>
   Dept. of Mathematics and Computer Science, Aalborg U., Denmark

   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.
*/ 

/******************************************************************
  TODO:
   Does not implement methods for archiving itself.
******************************************************************/

#ifndef __Storage_h_INCLUDE_GNU
#define __Storage_h_INCLUDE_GNU

#include <objc/Object.h>

@interface Storage : Object
{
@public
    void 	**dataPtr;	/* data of the Storage object */
    unsigned 	numElements;	/* Actual number of elements */
    unsigned 	maxElements;	/* Total allocated elements */
    const char  *description;	/* Element description */
    unsigned    elementSize;	/* Element size */
}

/* Creating, copying, freeing */

- free;
- shallowCopy;

/* Initializing */

- init;
- initCount:(unsigned)numSlots
  elementSize:(unsigned)sizeInBytes
  description:(const char*)elemDesc;
- setNumSlots: (unsigned)numSlots;

/* Comparing two storages */

- (BOOL)isEqual: anObject;
  
/* Managing the storage capacity */

- (unsigned)capacity;
- setAvailableCapacity:(unsigned)numSlots;

/* Manipulating objects by index */

- (unsigned)count;
- (void*)elementAt:(unsigned)index;
- (void*)lastElement;
- addElement:(void*)anElement;
- insertElement:(void*)anElement at:(unsigned)index;
- removeElementAt:(unsigned)index;
- (void*)removeLastElement;
- replaceElementAt:(unsigned)index with:(void*)newElement;
- appendStorage: (Storage*)otherStorage;

/* Manipulating elements by id */

- (unsigned)indexOf:(void*)anElement;
- addElementIfAbsent:(void*)anElement;
- removeElement:(void*)anElement;
- replaceElement:(void*)anElement with:(void*)newElement;

/* Emptying the storage */

- empty;

/* Sorting */

/* aSel must be typed like:  -(int)compare:(id)o1 :(id)o2 */
- sortUsingFunction:(int(*)(void*,void*))comparisonFunction;


@end

typedef struct {
    @defs(Storage)
} GNUStorageId;

#define GNU_STORAGE_ADDRESS(x) (((GNUStorageId *)(x))->dataPtr)
#define GNU_STORAGE_NTH(x,N)                          \
  ({ GNUStorageId* __s=(GNUStorageId*)(x);            \
     (void*)(((char*)__s->dataPtr)+(__s->elementSize*(N))); })

#define GNU_NOT_IN_STORAGE	0xffffffff

#define GNU_FORSTORAGE(storage, element)                             \
{ int _GNU_FORSTORAGE_i;                                             \
  GNUStorageId* _GNU_FORSTORAGE_s = (GNUStorageId *)(storage);       \
  for (_GNU_FORSTORAGE_i = 0;                                        \
       _GNU_FORSTORAGE_i < (_GNU_FORSTORAGE_s->numElements);         \
       _GNU_FORSTORAGE_i++)                                          \
  {                                                                  \
      element = GNU_STORAGE_NTH (_GNU_FORSTORAGE_s, _GNU_FORSTORAGE_i)

#define GNU_ENDFORSTORAGE  }}


#endif /* __Storage_h_INCLUDE_GNU */

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.