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/*
IXAttributeQuery.h
Copyright 1991, NeXT Computer, Inc.
*/
#import <objc/Object.h>
#import <objc/hashtable.h>
#import "protocols.h"
@class IXAttributeParser;
@class IXPostingList;
/* This class performs query processing based on the NeXT IndexingKit query */
/* language, documented on- line and in print. Classes that can be queried */
/* include IXAttributeParser, IXFileFinder, IXFileRecord, and IXRecordManager.*/
@interface IXAttributeQuery: Object
{
NXZone *_queryZone;
id _queryBinder;
BOOL _freeBinder;
NXHashTable *_objectTable;
NXHashTable *_opaqueTable;
NXHashTable *_namingTable;
struct TermRecord *_queryParse;
struct TermRecord *_queryStack;
id attributeParser;
id queryContext;
unsigned char *queryString;
}
/* the parser processes text enclosed by the parse operator.*/
- initQueryString:(const char *)string
andAttributeParser:(IXAttributeParser *)aParser;
/* evaluates the query string against an object that has attribute bindings.*/
/* first, we request the attribute binder. if nil, we request the bindings.*/
- (IXPostingList *)evaluateFor:(id <IXAttributeBinding>)anObject;
- (char *)attributeNames; /* a new line separated list; caller must free.*/
- (IXAttributeParser *)attributeParser; /* the one used by the parse operator.*/
- (const char *)queryString; /* returns the query string used to initialize.*/
@end
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.