-/*
- * Copyright (C) 1994-1998, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: rsbool.c,v $
- * Revision 1.14 1998-03-05 08:36:27 adam
- * New result set model.
- *
- * 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 1997/10/31 12:37:01 adam
- * Code calls xfree() instead of free().
- *
- * Revision 1.11 1997/09/09 13:38:15 adam
- * Partial port to WIN95/NT.
- *
- * Revision 1.10 1996/10/29 13:55:20 adam
- * Include of zebrautl.h instead of alexutil.h.
- *
- * Revision 1.9 1995/12/11 09:15:22 adam
- * New set types: sand/sor/snot - ranked versions of and/or/not in
- * ranked/semi-ranked result sets.
- * Note: the snot not finished yet.
- * New rset member: flag.
- * Bug fix: r_delete in rsrel.c did free bad memory block.
- *
- * Revision 1.8 1995/10/12 12:41:55 adam
- * Private info (buf) moved from struct rset_control to struct rset.
- * Bug fixes in relevance.
- *
- * Revision 1.7 1995/10/10 14:00:03 adam
- * Function rset_open changed its wflag parameter to general flags.
- *
- * Revision 1.6 1995/10/06 14:38:05 adam
- * New result set method: r_score.
- * Local no (sysno) and score is transferred to retrieveCtrl.
- *
- * Revision 1.5 1995/09/08 14:52:41 adam
- * Work on relevance feedback.
- *
- * Revision 1.4 1995/09/08 08:54:04 adam
- * More efficient and operation.
- *
- * Revision 1.3 1995/09/07 13:58:43 adam
- * New parameter: result-set file descriptor (RSFD) to support multiple
- * positions within the same result-set.
- * Boolean operators: and, or, not implemented.
- *
- * Revision 1.2 1995/09/06 16:11:55 adam
- * More work on boolean sets.
- *
- * Revision 1.1 1995/09/06 13:27:15 adam
- * New set type: bool. Not finished yet.
- *
- */
+/* $Id: rsbool.c,v 1.19 2002-08-02 19:26:57 adam 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.
+*/
+
+
#include <stdio.h>
#include <stdlib.h>
static void *r_create (RSET ct, const struct rset_control *sel, void *parms)
{
- rset_bool_parms *bool_parms = parms;
+ rset_bool_parms *bool_parms = (rset_bool_parms *) parms;
struct rset_bool_info *info;
- info = xmalloc (sizeof(*info));
+ info = (struct rset_bool_info *) xmalloc (sizeof(*info));
info->key_size = bool_parms->key_size;
info->rset_l = bool_parms->rset_l;
info->rset_r = bool_parms->rset_r;
info->term_index_s = info->rset_l->no_rset_terms;
ct->no_rset_terms =
info->rset_l->no_rset_terms + info->rset_r->no_rset_terms;
- ct->rset_terms = xmalloc (sizeof (*ct->rset_terms) * ct->no_rset_terms);
+ ct->rset_terms = (RSET_TERM *)
+ xmalloc (sizeof (*ct->rset_terms) * ct->no_rset_terms);
memcpy (ct->rset_terms, info->rset_l->rset_terms,
info->rset_l->no_rset_terms * sizeof(*ct->rset_terms));
static RSFD r_open (RSET ct, int flag)
{
- struct rset_bool_info *info = ct->buf;
+ struct rset_bool_info *info = (struct rset_bool_info *) ct->buf;
struct rset_bool_rfd *rfd;
if (flag & RSETF_WRITE)
logf (LOG_FATAL, "bool set type is read-only");
return NULL;
}
- rfd = xmalloc (sizeof(*rfd));
+ rfd = (struct rset_bool_rfd *) xmalloc (sizeof(*rfd));
rfd->next = info->rfd_list;
info->rfd_list = rfd;
rfd->info = info;
static void r_delete (RSET ct)
{
- struct rset_bool_info *info = ct->buf;
+ struct rset_bool_info *info = (struct rset_bool_info *) ct->buf;
assert (info->rfd_list == NULL);
xfree (ct->rset_terms);
static void r_rewind (RSFD rfd)
{
struct rset_bool_info *info = ((struct rset_bool_rfd*)rfd)->info;
- struct rset_bool_rfd *p = rfd;
+ struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
logf (LOG_DEBUG, "rsbool_rewind");
rset_rewind (info->rset_l, p->rfd_l);
static int r_read_and (RSFD rfd, void *buf, int *term_index)
{
- struct rset_bool_rfd *p = rfd;
+ struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
struct rset_bool_info *info = p->info;
while (p->more_l && p->more_r)
p->more_l = rset_read (info->rset_l, p->rfd_l, p->buf_l,
&p->term_index_l);
}
+ while (p->more_l)
+ p->more_l = rset_read (info->rset_l, p->rfd_l, p->buf_l,
+ &p->term_index_l);
+ while (p->more_r)
+ p->more_r = rset_read (info->rset_r, p->rfd_r, p->buf_r,
+ &p->term_index_r);
return 0;
}
static int r_read_or (RSFD rfd, void *buf, int *term_index)
{
- struct rset_bool_rfd *p = rfd;
+ struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
struct rset_bool_info *info = p->info;
while (p->more_l || p->more_r)
static int r_read_not (RSFD rfd, void *buf, int *term_index)
{
- struct rset_bool_rfd *p = rfd;
+ struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
struct rset_bool_info *info = p->info;
while (p->more_l || p->more_r)