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/*
IXStoreDirectory.h
Copyright 1991, NeXT Computer, Inc.
*/
#import <objc/Object.h>
#import <store/IXStoreFile.h>
#ifdef NX_COMPILER_RELEASE_3_0
@class IXBTreeCursor;
#endif
/* This class implements a simple directory for managing store clients. The */
/* store clients must conform to the IXBlockAndStoreAccess protocol. Any */
/* object may be stored in an IXStoreDirectory, however, as long as it responds */
/* to init and the archiving methods read: and write:.*/
#ifdef NX_COMPILER_RELEASE_3_0
@interface IXStoreDirectory: Object <IXNameAndFileAccess>
#else
@interface IXStoreDirectory: Object
#endif
{
BOOL _freeStore;
char *_handleName;
unsigned _handle;
IXStore *_store;
#ifdef NX_COMPILER_RELEASE_3_0
IXBTreeCursor *_btreeCursor;
#else
id _btreeCursor;
#endif
}
/* Returns the receiver's store, primarily as a convenience for transaction */
/* management - e.g., [[client store] startTransaction].*/
- (IXStore *)store;
/* These methods add new named entries to the directory. Any class may be */
/* supplied, as long as the instances can be meaningfully initialized with the */
/* init method and archived with NXWriteRootObject. If the class is a store */
/* client, the instance will be initialized in the directory's store using the */
/* initFromBlock:inStore: method.*/
- addEntryNamed:(const char *)aName ofClass:aClass;
- addEntryNamed:(const char *)aName ofClass:aClass atBlock:(unsigned)aHandle;
- addEntryNamed:(const char *)aName forObject:anObject;
/* This method is obselete. Use entryNames instead.*/
- (const char **)entries; /* caller must free the array of entry names*/
/* Returns newline delimited string containing entry names; caller must free.*/
- (const char *)entryNames;
/* These methods remove entries from the directory, but don't remove the */
/* associated objects from the store. Use empty and freeEntryNamed: to free */
/* the objects, as well as the entries.*/
- reset; /* removes all entries*/
- removeName:(const char *)aName; /* removes, but doesn't free entry object*/
- empty; /* frees all entries*/
- freeEntryNamed:(const char *)aName; /* removes and frees associated object*/
/* The first of these two methods is redundant. openEntryNamed simply returns */
/* nil if passed an invalid name; otherwise, it returns the associated object.*/
- (BOOL)hasEntryNamed:(const char *)aName;
- openEntryNamed:(const char *)aName;
- getBlock:(unsigned *)aBlock ofEntryNamed:(const char *)aName;
- getClass:(Class *)aClass ofEntryNamed:(const char *)aName;
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.