-/*
- * Copyright (C) 1994-1999, Index Data
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: rset.h,v $
- * Revision 1.18 2002-07-25 13:06:43 adam
- * Character set negotiation updates
- *
- * Revision 1.17 2002/03/20 20:24:29 adam
- * Hits per term. Returned in SearchResult-1
- *
- * Revision 1.16 1999/02/02 14:50:38 adam
- * Updated WIN32 code specific sections. Changed header.
- *
- * Revision 1.15 1998/03/05 08:37:44 adam
- * New result set model.
- *
- * Revision 1.14 1998/02/10 11:56:46 adam
- * Implemented rset_dup.
- *
- * Revision 1.13 1997/12/18 10:54:24 adam
- * New method result set method rs_hits that returns the number of
- * hits in result-set (if known). The ranked result set returns real
- * number of hits but only when not combined with other operands.
- *
- * Revision 1.12 1997/09/05 15:30:03 adam
- * Changed prototype for chr_map_input - added const.
- * Added support for C++, headers uses extern "C" for public definitions.
- *
- * Revision 1.11 1995/12/11 09:07:53 adam
- * New rset member 'flag', that holds various flags about a result set -
- * currently 'volatile' (set is register dependent) and 'ranked' (set is
- * ranked).
- * New set types sand/sor/snot. They handle and/or/not for ranked and
- * semi-ranked result sets.
- *
- * Revision 1.10 1995/10/12 12:40:36 adam
- * Private info (buf) moved from struct rset_control to struct rset.
- * Member control in rset is statically set in rset_create.
- *
- * Revision 1.9 1995/10/10 14:00:01 adam
- * Function rset_open changed its wflag parameter to general flags.
- *
- * Revision 1.8 1995/10/06 14:37:53 adam
- * New result set method: r_score.
- * Local no (sysno) and score is transferred to retrieveCtrl.
- *
- * Revision 1.7 1995/09/07 13:58:08 adam
- * New parameter: result-set file descriptor (RSFD) to support multiple
- * positions within the same result-set.
- * Boolean operators: and, or, not implemented.
- *
- * Revision 1.6 1995/09/06 16:10:58 adam
- * More work on boolean sets.
- *
- * Revision 1.5 1995/09/04 15:20:13 adam
- * More work on temp sets. is_open member removed.
- *
- * Revision 1.4 1995/09/04 09:09:52 adam
- * String arg in dict lookup is const.
- * Minor changes.
- *
- * Revision 1.3 1994/11/22 13:15:27 quinn
- * Simple
- *
- * Revision 1.2 1994/11/04 13:21:21 quinn
- * Working.
- *
- * Revision 1.1 1994/11/03 14:13:22 quinn
- * Result set manipulation
- *
- */
+/* $Id: rset.h,v 1.21 2004-01-30 11:43:40 heikki Exp $
+ Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+ Index Data Aps
+
+This file is part of the Zebra server.
+
+Zebra is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 2, or (at your option) any later
+version.
+
+Zebra 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 General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with Zebra; see the file LICENSE.zebra. If not, write to the
+Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
+*/
+
+
#ifndef RSET_H
#define RSET_H
void (*f_close)(RSFD rfd);
void (*f_delete)(RSET ct);
void (*f_rewind)(RSFD rfd);
+ int (*f_forward)(RSET ct, RSFD rfd, void *buf, int *term_index,
+ int (*cmpfunc)(const void *p1, const void *p2),
+ const void *untilbuf);
int (*f_count)(RSET ct);
int (*f_read)(RSFD rfd, void *buf, int *term_index);
int (*f_write)(RSFD rfd, const void *buf);
};
+int rset_default_forward(RSET ct, RSFD rfd, void *buf, int *term_index,
+ int (*cmpfunc)(const void *p1, const void *p2),
+ const void *untilbuf);
+
struct rset_term {
char *name;
int nn;
/* void rset_rewind(RSET rs); */
#define rset_rewind(rs, rfd) (*(rs)->control->f_rewind)((rfd))
+/* int rset_forward(RSET rs, void *buf, int *indx, void *untilbuf); */
+#define rset_forward(rs, fd, buf, indx, cmpfunc, untilbuf) \
+ (*(rs)->control->f_forward)((rs), (fd), (buf), (indx), (cmpfunc), (untilbuf))
+
/* int rset_count(RSET rs); */
#define rset_count(rs) (*(rs)->control->f_count)(rs)
-/* int rset_read(RSET rs, void *buf); */
+/* int rset_read(RSET rs, void *buf, int *indx); */
#define rset_read(rs, fd, buf, indx) (*(rs)->control->f_read)((fd), (buf), indx)
/* int rset_write(RSET rs, const void *buf); */