X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=rset%2Frsisams.c;h=124558c26e28811797b12dfec00c0990c87cc1fe;hb=e505b6cf2a7f6821264d82cd2e8869b2be38d0b2;hp=0ad55d52db68d89e8834149d2f8e3a7b06149167;hpb=b4470de12aa07f21f5394c19af0d21b196087225;p=idzebra-moved-to-github.git

diff --git a/rset/rsisams.c b/rset/rsisams.c
index 0ad55d5..124558c 100644
--- a/rset/rsisams.c
+++ b/rset/rsisams.c
@@ -1,4 +1,4 @@
-/* $Id: rsisams.c,v 1.9 2004-08-23 12:38:53 heikki Exp $
+/* $Id: rsisams.c,v 1.17 2004-11-19 10:27:14 heikki Exp $
    Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
    Index Data Aps
 
@@ -25,26 +25,24 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include <stdio.h>
 #include <assert.h>
 #include <zebrautl.h>
-#include <rsisams.h>
+#include <rset.h>
 
-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_read (RSFD rfd, void *buf);
+static int r_read (RSFD rfd, void *buf, TERMID *term);
 static int r_write (RSFD rfd, const void *buf);
+static void r_pos (RSFD rfd, double *current, double *total);
 
 static const struct rset_control control = 
 {
     "isams",
-    r_create,
+    r_delete,
+    rset_get_one_term,
     r_open,
     r_close,
-    r_delete,
-    r_rewind,
     rset_default_forward,
-    rset_default_pos,
+    r_pos,
     r_read,
     r_write,
 };
@@ -53,87 +51,85 @@ const struct rset_control *rset_kind_isams = &control;
 
 struct rset_pp_info {
     ISAMS_PP pt;
-    struct rset_pp_info *next;
-    struct rset_isams_info *info;
 };
 
 struct rset_isams_info {
     ISAMS   is;
     ISAMS_P pos;
-    struct rset_pp_info *ispt_list;
 };
 
-static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
+
+RSET rsisams_create( NMEM nmem, const struct key_control *kcontrol, int scope,
+            ISAMS is, ISAMS_P pos, TERMID term)
 {
-    rset_isams_parms *pt = (struct rset_isams_parms *) parms;
+    RSET rnew=rset_create_base(&control, nmem, kcontrol, scope, term);
     struct rset_isams_info *info;
+    info = (struct rset_isams_info *) nmem_malloc(rnew->nmem,sizeof(*info));
+    rnew->priv=info;
+    info->is=is;
+    info->pos=pos;
+    return rnew;
+}
 
-    info = (struct rset_isams_info *) xmalloc (sizeof(*info));
-    info->is = pt->is;
-    info->pos = pt->pos;
-    info->ispt_list = NULL;
-    return info;
+static void r_delete (RSET ct)
+{
+    yaz_log (YLOG_DEBUG, "rsisams_delete");
+    rset_delete(ct);
 }
 
+
 RSFD r_open (RSET ct, int flag)
 {
-    struct rset_isams_info *info = (struct rset_isams_info *) ct->buf;
+    struct rset_isams_info *info = (struct rset_isams_info *) ct->priv;
+    RSFD rfd;
     struct rset_pp_info *ptinfo;
 
-    logf (LOG_DEBUG, "risams_open");
+    yaz_log (YLOG_DEBUG, "risams_open");
     if (flag & RSETF_WRITE)
     {
-        logf (LOG_FATAL, "ISAMS set type is read-only");
+        yaz_log (YLOG_FATAL, "ISAMS set type is read-only");
         return NULL;
     }
-    ptinfo = (struct rset_pp_info *) xmalloc (sizeof(*ptinfo));
-    ptinfo->next = info->ispt_list;
-    info->ispt_list = ptinfo;
-    ptinfo->pt = isams_pp_open (info->is, info->pos);
-    ptinfo->info = info;
-    return ptinfo;
+    rfd=rfd_create_base(ct);
+    if (rfd->priv)
+        ptinfo=(struct rset_pp_info *)(rfd->priv);
+    else {
+        ptinfo = (struct rset_pp_info *) nmem_malloc(ct->nmem,sizeof(*ptinfo));
+        ptinfo->pt = isams_pp_open (info->is, info->pos);
+        rfd->priv=ptinfo;
+    }
+    return rfd;
 }
 
 static void r_close (RSFD rfd)
 {
-    struct rset_isams_info *info = ((struct rset_pp_info*) rfd)->info;
-    struct rset_pp_info **ptinfop;
-
-    for (ptinfop = &info->ispt_list; *ptinfop; ptinfop = &(*ptinfop)->next)
-        if (*ptinfop == rfd)
-        {
-            isams_pp_close ((*ptinfop)->pt);
-            *ptinfop = (*ptinfop)->next;
-            xfree (rfd);
-            return;
-        }
-    logf (LOG_FATAL, "r_close but no rfd match!");
-    assert (0);
-}
-
-static void r_delete (RSET ct)
-{
-    struct rset_isams_info *info = (struct rset_isams_info *) ct->buf;
-
-    logf (LOG_DEBUG, "rsisams_delete");
-    assert (info->ispt_list == NULL);
-    xfree (info);
-}
+    struct rset_pp_info *ptinfo=(struct rset_pp_info *)(rfd->priv);
 
-static void r_rewind (RSFD rfd)
-{   
-    logf (LOG_DEBUG, "rsisams_rewind");
-    abort ();
+    isams_pp_close (ptinfo->pt);
+    rfd_delete_base(rfd);
 }
 
 
-static int r_read (RSFD rfd, void *buf)
+static int r_read (RSFD rfd, void *buf, TERMID *term)
 {
-    return isams_pp_read( ((struct rset_pp_info*) rfd)->pt, buf);
+    struct rset_pp_info *ptinfo=(struct rset_pp_info *)(rfd->priv);
+    int rc;
+    rc=isams_pp_read(ptinfo->pt, buf);
+    if (rc && term)
+        *term=rfd->rset->term;
+    return rc;
 }
 
 static int r_write (RSFD rfd, const void *buf)
 {
-    logf (LOG_FATAL, "ISAMS set type is read-only");
+    yaz_log (YLOG_FATAL, "ISAMS set type is read-only");
     return -1;
 }
+
+static void r_pos (RSFD rfd, double *current, double *total)
+{
+    *current=-1;  /* sorry, not implemented yet */
+    *total=-1;
+}
+
+