-/* $Id: rsisamb.c,v 1.21 2004-09-01 15:01:32 heikki Exp $
- Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
- Index Data Aps
-
-This file is part of the Zebra server.
+/* This file is part of the Zebra server.
+ Copyright (C) Index Data
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
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.
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
#include <stdio.h>
#include <assert.h>
-#include <zebrautl.h>
+#include <idzebra/util.h>
#include <rset.h>
#include <string.h>
-#ifndef RSET_DEBUG
-#define RSET_DEBUG 0
-#endif
-
-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_forward(RSFD rfd, void *buf, const void *untilbuf);
-static void r_pos (RSFD rfd, double *current, double *total);
-static int r_read (RSFD rfd, void *buf);
-static int r_write (RSFD rfd, const void *buf);
+static RSFD r_open(RSET ct, int flag);
+static void r_close(RSFD rfd);
+static void r_delete(RSET ct);
+static int r_forward(RSFD rfd, void *buf, TERMID *term, const void *untilbuf);
+static void r_pos(RSFD rfd, double *current, double *total);
+static int r_read(RSFD rfd, void *buf, TERMID *term);
+static int r_read_filter(RSFD rfd, void *buf, TERMID *term);
-static const struct rset_control control =
+static const struct rset_control control =
{
"isamb",
r_delete,
+ rset_get_one_term,
r_open,
r_close,
- r_rewind,
- r_forward,
+ r_forward,
r_pos,
r_read,
- r_write,
+ rset_no_write,
};
-const struct rset_control *rset_kind_isamb = &control;
+static const struct rset_control control_filter =
+{
+ "isamb",
+ r_delete,
+ rset_get_one_term,
+ r_open,
+ r_close,
+ r_forward,
+ r_pos,
+ r_read_filter,
+ rset_no_write,
+};
-struct rset_pp_info {
+struct rfd_private {
ISAMB_PP pt;
void *buf;
};
-struct rset_isamb_info {
+struct rset_private {
ISAMB is;
- ISAMB_P pos;
+ ISAM_P pos;
};
-RSET rsisamb_create( NMEM nmem, const struct key_control *kcontrol,
- ISAMB is, ISAMB_P pos)
+static int log_level = 0;
+static int log_level_initialized = 0;
+
+RSET rsisamb_create(NMEM nmem, struct rset_key_control *kcontrol,
+ int scope,
+ ISAMB is, ISAM_P pos, TERMID term)
{
- RSET rnew=rset_create_base(&control, nmem, kcontrol);
- struct rset_isamb_info *info;
- info = (struct rset_isamb_info *) nmem_malloc(rnew->nmem,sizeof(*info));
- info->is=is;
- info->pos=pos;
- rnew->priv=info;
+ RSET rnew = rset_create_base(
+ kcontrol->filter_func ? &control_filter : &control,
+ nmem, kcontrol, scope, term, 0, 0);
+ struct rset_private *info;
+ assert(pos);
+ if (!log_level_initialized)
+ {
+ log_level = yaz_log_module_level("rsisamb");
+ log_level_initialized = 1;
+ }
+ info = (struct rset_private *) nmem_malloc(rnew->nmem, sizeof(*info));
+ info->is = is;
+ info->pos = pos;
+ rnew->priv = info;
+ yaz_log(log_level, "rsisamb_create");
return rnew;
}
-static void r_delete (RSET ct)
+static void r_delete(RSET ct)
{
- logf (LOG_DEBUG, "rsisamb_delete");
+ yaz_log(log_level, "rsisamb_delete");
}
-RSFD r_open (RSET ct, int flag)
+RSFD r_open(RSET ct, int flag)
{
- struct rset_isamb_info *info = (struct rset_isamb_info *) ct->priv;
+ struct rset_private *info = (struct rset_private *) ct->priv;
RSFD rfd;
- struct rset_pp_info *ptinfo;
+ struct rfd_private *ptinfo;
if (flag & RSETF_WRITE)
{
- logf (LOG_FATAL, "ISAMB set type is read-only");
+ yaz_log(YLOG_FATAL, "ISAMB set type is read-only");
return NULL;
}
- rfd=rfd_create_base(ct);
+ rfd = rfd_create_base(ct);
if (rfd->priv)
- ptinfo=(struct rset_pp_info *) (rfd->priv);
+ ptinfo = (struct rfd_private *) (rfd->priv);
else {
- ptinfo = (struct rset_pp_info *)nmem_malloc(ct->nmem,sizeof(*ptinfo));
- ptinfo->buf = nmem_malloc (ct->nmem,ct->keycontrol->key_size);
- rfd->priv=ptinfo;
+ ptinfo = (struct rfd_private *) nmem_malloc(ct->nmem,sizeof(*ptinfo));
+ ptinfo->buf = nmem_malloc(ct->nmem,ct->keycontrol->key_size);
+ rfd->priv = ptinfo;
}
- ptinfo->pt = isamb_pp_open (info->is, info->pos);
+ ptinfo->pt = isamb_pp_open(info->is, info->pos, ct->scope );
+ yaz_log(log_level, "rsisamb_open");
return rfd;
}
-static void r_close (RSFD rfd)
+static void r_close(RSFD rfd)
{
- struct rset_pp_info *ptinfo=(struct rset_pp_info *)(rfd->priv);
+ struct rfd_private *ptinfo = (struct rfd_private *)(rfd->priv);
isamb_pp_close (ptinfo->pt);
- rfd_delete_base(rfd);
+ yaz_log(log_level, "rsisamb_close");
}
-static void r_rewind (RSFD rfd)
-{
- logf (LOG_DEBUG, "rsisamb_rewind");
- abort ();
-}
-
-static int r_forward(RSFD rfd, void *buf, const void *untilbuf)
+static int r_forward(RSFD rfd, void *buf, TERMID *term, const void *untilbuf)
{
- struct rset_pp_info *pinfo=(struct rset_pp_info *)(rfd->priv);
- return isamb_pp_forward(pinfo->pt, buf, untilbuf);
+ struct rfd_private *pinfo = (struct rfd_private *)(rfd->priv);
+ int rc;
+ rc = isamb_pp_forward(pinfo->pt, buf, untilbuf);
+ if (rc && term)
+ *term = rfd->rset->term;
+ yaz_log(log_level, "rsisamb_forward");
+ return rc;
}
-static void r_pos (RSFD rfd, double *current, double *total)
+static void r_pos(RSFD rfd, double *current, double *total)
{
- struct rset_pp_info *pinfo=(struct rset_pp_info *)(rfd->priv);
+ struct rfd_private *pinfo = (struct rfd_private *)(rfd->priv);
assert(rfd);
isamb_pp_pos(pinfo->pt, current, total);
-#if RSET_DEBUG
- logf(LOG_DEBUG,"isamb.r_pos returning %0.1f/%0.1f",
+ yaz_log(log_level, "isamb.r_pos returning %0.1f/%0.1f",
*current, *total);
-#endif
}
-static int r_read (RSFD rfd, void *buf)
+static int r_read(RSFD rfd, void *buf, TERMID *term)
{
- struct rset_pp_info *pinfo=(struct rset_pp_info *)(rfd->priv);
-
- return isamb_pp_read(pinfo->pt, buf);
+ struct rfd_private *pinfo = (struct rfd_private *)(rfd->priv);
+ int rc;
+ rc = isamb_pp_read(pinfo->pt, buf);
+ if (rc && term)
+ *term = rfd->rset->term;
+ yaz_log(log_level, "isamb.r_read ");
+ return rc;
}
-static int r_write (RSFD rfd, const void *buf)
+static int r_read_filter(RSFD rfd, void *buf, TERMID *term)
{
- logf (LOG_FATAL, "ISAMB set type is read-only");
- return -1;
+ struct rfd_private *pinfo = (struct rfd_private *)rfd->priv;
+ const struct rset_key_control *kctrl = rfd->rset->keycontrol;
+ int rc;
+ while((rc = isamb_pp_read(pinfo->pt, buf)))
+ {
+ int incl = (*kctrl->filter_func)(buf, kctrl->filter_data);
+ if (incl)
+ break;
+ }
+ if (rc && term)
+ *term = rfd->rset->term;
+ yaz_log(log_level, "isamb.r_read_filter");
+ return rc;
}
+
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+
projects / idzebra-moved-to-github.git / blobdiff