-/*
- * Copyright (C) 1994-1995, Index Data I/S
- * All rights reserved.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Log: rsisam.c,v $
- * Revision 1.15 1996-10-29 13:55:22 adam
- * Include of zebrautl.h instead of alexutil.h.
- *
- * Revision 1.14 1995/12/11 09:15:24 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 1.13 1995/10/12 12:41:56 adam
- * Private info (buf) moved from struct rset_control to struct rset.
- * Bug fixes in relevance.
- *
- * Revision 1.12 1995/10/10 14:00:04 adam
- * Function rset_open changed its wflag parameter to general flags.
- *
- * Revision 1.11 1995/10/06 14:38:05 adam
- * New result set method: r_score.
- * Local no (sysno) and score is transferred to retrieveCtrl.
- *
- * Revision 1.10 1995/09/08 14:52:42 adam
- * Work on relevance feedback.
- *
- * Revision 1.9 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 1.8 1995/09/06 16:11:56 adam
- * More work on boolean sets.
- *
- * Revision 1.7 1995/09/06 10:35:44 adam
- * Null set implemented.
- *
- * Revision 1.6 1995/09/05 11:43:24 adam
- * Complete version of temporary sets. Not tested yet though.
- *
- * Revision 1.5 1995/09/04 12:33:56 adam
- * Various cleanup. YAZ util used instead.
- *
- * Revision 1.4 1995/09/04 09:10:55 adam
- * Minor changes.
- *
- * Revision 1.3 1994/11/22 13:15:37 quinn
- * Simple
- *
- * Revision 1.2 1994/11/04 14:53:12 quinn
- * Work
- *
- */
+/* $Id: rsisam.c,v 1.23 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 <assert.h>
-#include <rsisam.h>
#include <zebrautl.h>
+#include <rsisam.h>
-static void *r_create(const struct rset_control *sel, void *parms,
- int *flags);
+static void *r_create(RSET ct, const struct rset_control *sel, void *parms);
static RSFD r_open (RSET ct, int flag);
static void r_close (RSFD rfd);
static void r_delete (RSET ct);
static void r_rewind (RSFD rfd);
static int r_count (RSET ct);
-static int r_read (RSFD rfd, void *buf);
+static int r_read (RSFD rfd, void *buf, int *term_index);
static int r_write (RSFD rfd, const void *buf);
-static int r_score (RSFD rfd, int *score);
-static const rset_control control =
+static const struct rset_control control =
{
"isam",
r_create,
r_count,
r_read,
r_write,
- r_score
};
-const rset_control *rset_kind_isam = &control;
+const struct rset_control *rset_kind_isam = &control;
struct rset_ispt_info {
ISPT pt;
struct rset_ispt_info *ispt_list;
};
-static void *r_create(const struct rset_control *sel, void *parms,
- int *flags)
+static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
{
- rset_isam_parms *pt = parms;
+ rset_isam_parms *pt = (rset_isam_parms *) parms;
struct rset_isam_info *info;
- *flags |= RSET_FLAG_VOLATILE;
- info = xmalloc (sizeof(struct rset_isam_info));
+ ct->flags |= RSET_FLAG_VOLATILE;
+ info = (struct rset_isam_info *) xmalloc (sizeof(struct rset_isam_info));
info->is = pt->is;
info->pos = pt->pos;
info->ispt_list = NULL;
+
+ ct->no_rset_terms = 1;
+ ct->rset_terms = (RSET_TERM *) xmalloc (sizeof(*ct->rset_terms));
+ ct->rset_terms[0] = pt->rset_term;
return info;
}
RSFD r_open (RSET ct, int flag)
{
- struct rset_isam_info *info = ct->buf;
+ struct rset_isam_info *info = (struct rset_isam_info *) ct->buf;
struct rset_ispt_info *ptinfo;
logf (LOG_DEBUG, "risam_open");
logf (LOG_FATAL, "ISAM set type is read-only");
return NULL;
}
- ptinfo = xmalloc (sizeof(*ptinfo));
+ ptinfo = (struct rset_ispt_info *) xmalloc (sizeof(*ptinfo));
ptinfo->next = info->ispt_list;
info->ispt_list = ptinfo;
ptinfo->pt = is_position (info->is, info->pos);
ptinfo->info = info;
+
+ if (ct->rset_terms[0]->nn < 0)
+ ct->rset_terms[0]->nn = is_numkeys (ptinfo->pt);
return ptinfo;
}
{
is_pt_free ((*ptinfop)->pt);
*ptinfop = (*ptinfop)->next;
- free (rfd);
+ xfree (rfd);
return;
}
logf (LOG_FATAL, "r_close but no rfd match!");
static void r_delete (RSET ct)
{
- struct rset_isam_info *info = ct->buf;
+ struct rset_isam_info *info = (struct rset_isam_info *) ct->buf;
logf (LOG_DEBUG, "rsisam_delete");
assert (info->ispt_list == NULL);
+ rset_term_destroy (ct->rset_terms[0]);
+ xfree (ct->rset_terms);
xfree (info);
}
return 0;
}
-static int r_read (RSFD rfd, void *buf)
+static int r_read (RSFD rfd, void *buf, int *term_index)
{
+ *term_index = 0;
return is_readkey( ((struct rset_ispt_info*) rfd)->pt, buf);
}
logf (LOG_FATAL, "ISAM set type is read-only");
return -1;
}
-
-static int r_score (RSFD rfd, int *score)
-{
- *score = -1;
- return -1;
-}
projects / idzebra-moved-to-github.git / blobdiff