X-Git-Url: http://git.indexdata.com/?p=idzebra-moved-to-github.git;a=blobdiff_plain;f=rset%2Frsisamb.c;h=ee0762a8707bf502ade0432c4a1e0307e0a3772d;hp=c9579be01cfce1989cfc4568bf5e7d4f2a65a6b7;hb=fc94f3546d759ddb144f879ca9e6fa60f13df292;hpb=debf05f862cf4790fd3f574f362004cd88ff6346

diff --git a/rset/rsisamb.c b/rset/rsisamb.c
index c9579be..ee0762a 100644
--- a/rset/rsisamb.c
+++ b/rset/rsisamb.c
@@ -1,5 +1,5 @@
-/* $Id: rsisamb.c,v 1.7 2004-06-01 14:51:00 heikki Exp $
-   Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
+/* $Id: rsisamb.c,v 1.26 2004-11-04 13:54:08 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.
@@ -20,39 +20,30 @@ Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 02111-1307, USA.
 */
 
-
-
-
 #include <stdio.h>
 #include <assert.h>
 #include <zebrautl.h>
-#include <rsisamb.h>
+#include <rset.h>
 #include <string.h>
-#include <../index/index.h> /* for log_keydump. Debugging only */
 
 
-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_forward(RSET ct, RSFD rfd, void *buf, int *term_index,
-                     int (*cmpfunc)(const void *p1, const void *p2),
-                     const void *untilbuf);
-static int r_count (RSET ct);
-static int r_read (RSFD rfd, void *buf, int *term_index);
+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_write (RSFD rfd, const void *buf);
 
 static const struct rset_control control = 
 {
     "isamb",
-    r_create,
+    r_delete,
+    rset_get_one_term,
     r_open,
     r_close,
-    r_delete,
-    r_rewind,
-    r_forward, /* rset_default_forward, */
-    r_count,
+    r_forward, 
+    r_pos,
     r_read,
     r_write,
 };
@@ -61,133 +52,102 @@ const struct rset_control *rset_kind_isamb = &control;
 
 struct rset_pp_info {
     ISAMB_PP pt;
-    struct rset_pp_info *next;
-    struct rset_isamb_info *info;
-    int *countp;
     void *buf;
 };
 
 struct rset_isamb_info {
     ISAMB   is;
     ISAMB_P pos;
-    int key_size;
-    int (*cmp)(const void *p1, const void *p2);
-    struct rset_pp_info *ispt_list;
 };
 
-static void *r_create(RSET ct, const struct rset_control *sel, void *parms)
+static int log_level=0;
+static int log_level_initialized=0;
+
+RSET rsisamb_create( NMEM nmem, const struct key_control *kcontrol, int scope,
+            ISAMB is, ISAMB_P pos, TERMID term)
 {
-    rset_isamb_parms *pt = (rset_isamb_parms *) parms;
+    RSET rnew=rset_create_base(&control, nmem, kcontrol, scope, term);
     struct rset_isamb_info *info;
+    if (!log_level_initialized)
+    {
+        log_level=yaz_log_module_level("rsisamb");
+        log_level_initialized=1;
+    }
+    info = (struct rset_isamb_info *) nmem_malloc(rnew->nmem,sizeof(*info));
+    info->is=is;
+    info->pos=pos;
+    rnew->priv=info;
+    logf(log_level,"rsisamb_create");
+    return rnew;
+}
 
-    ct->flags |= RSET_FLAG_VOLATILE;
-    info = (struct rset_isamb_info *) xmalloc (sizeof(*info));
-    info->is = pt->is;
-    info->pos = pt->pos;
-    info->key_size = pt->key_size;
-    info->cmp = pt->cmp;
-    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;
+static void r_delete (RSET ct)
+{
+    logf (log_level, "rsisamb_delete");
 }
 
 RSFD r_open (RSET ct, int flag)
 {
-    struct rset_isamb_info *info = (struct rset_isamb_info *) ct->buf;
+    struct rset_isamb_info *info = (struct rset_isamb_info *) ct->priv;
+    RSFD rfd;
     struct rset_pp_info *ptinfo;
 
-    logf (LOG_DEBUG, "risamb_open");
     if (flag & RSETF_WRITE)
     {
-	logf (LOG_FATAL, "ISAMB set type is read-only");
-	return NULL;
+        logf (LOG_FATAL, "ISAMB set type is read-only");
+        return NULL;
+    }
+    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->buf = nmem_malloc (ct->nmem,ct->keycontrol->key_size);
+        rfd->priv=ptinfo;
     }
-    ptinfo = (struct rset_pp_info *) xmalloc (sizeof(*ptinfo));
-    ptinfo->next = info->ispt_list;
-    info->ispt_list = ptinfo;
-    ptinfo->pt = isamb_pp_open (info->is, info->pos);
-    ptinfo->info = info;
-    if (ct->rset_terms[0]->nn < 0)
-	ct->rset_terms[0]->nn = isamb_pp_num (ptinfo->pt);
-    ct->rset_terms[0]->count = 0;
-    ptinfo->countp = &ct->rset_terms[0]->count;
-    ptinfo->buf = xmalloc (info->key_size);
-    return ptinfo;
+    ptinfo->pt = isamb_pp_open (info->is, info->pos, ct->scope );
+    logf(log_level,"rsisamb_open");
+    return rfd;
 }
 
 static void r_close (RSFD rfd)
 {
-    struct rset_isamb_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)
-        {
-            xfree ((*ptinfop)->buf);
-            isamb_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_isamb_info *info = (struct rset_isamb_info *) ct->buf;
-
-    logf (LOG_DEBUG, "rsisamb_delete");
-    assert (info->ispt_list == NULL);
-    rset_term_destroy (ct->rset_terms[0]);
-    xfree (ct->rset_terms);
-    xfree (info);
+    struct rset_pp_info *ptinfo=(struct rset_pp_info *)(rfd->priv);
+    isamb_pp_close (ptinfo->pt);
+    rfd_delete_base(rfd);
+    logf(log_level,"rsisamb_close");
 }
 
-static void r_rewind (RSFD rfd)
-{   
-    logf (LOG_DEBUG, "rsisamb_rewind");
-    abort ();
-}
 
-static int r_forward(RSET ct, RSFD rfd, void *buf, int *term_index,
-                     int (*cmpfunc)(const void *p1, const void *p2),
-                     const void *untilbuf)
+static int r_forward(RSFD rfd, void *buf, TERMID *term, const void *untilbuf)
 {
-    int i; /*!*/
-    struct rset_pp_info *pinfo = (struct rset_pp_info *) rfd;
-    logf (LOG_DEBUG, "rset_rsisamb_forward starting '%s' (ct=%p rfd=%p)",
-                      ct->control->desc, ct,rfd);
-    key_logdump(LOG_DEBUG, untilbuf);
-    key_logdump(LOG_DEBUG, buf);
-
-    i=isamb_pp_forward(pinfo->pt, buf, untilbuf);
-    logf (LOG_DEBUG, "rset_rsisamb_forward returning %d",i);
-    return i;
+    struct rset_pp_info *pinfo=(struct rset_pp_info *)(rfd->priv);
+    int rc;
+    rc=isamb_pp_forward(pinfo->pt, buf, untilbuf);
+    if (rc && term)
+        *term=rfd->rset->term;
+    logf(log_level,"rsisamb_forward");
+    return rc; 
 }
 
-static int r_count (RSET ct)
+static void r_pos (RSFD rfd, double *current, double *total)
 {
-    return 0;
+    struct rset_pp_info *pinfo=(struct rset_pp_info *)(rfd->priv);
+    assert(rfd);
+    isamb_pp_pos(pinfo->pt, current, total);
+    logf(log_level,"isamb.r_pos returning %0.1f/%0.1f",
+              *current, *total);
 }
 
-static int r_read (RSFD rfd, void *buf, int *term_index)
+static int r_read (RSFD rfd, void *buf, TERMID *term)
 {
-    struct rset_pp_info *pinfo = (struct rset_pp_info *) rfd;
-    int r;
-    *term_index = 0;
-    r = isamb_pp_read(pinfo->pt, buf);
-    if (r > 0)
-    {
-        if (*pinfo->countp == 0 || (*pinfo->info->cmp)(buf, pinfo->buf) > 1)
-        {
-            memcpy (pinfo->buf, buf, pinfo->info->key_size);
-            (*pinfo->countp)++;
-        }
-    }
-    return r;
+    struct rset_pp_info *pinfo=(struct rset_pp_info *)(rfd->priv);
+    int rc;
+    rc=isamb_pp_read(pinfo->pt, buf);
+    if (rc && term)
+        *term=rfd->rset->term;
+    logf(log_level,"isamb.r_read ");
+    return rc;
 }
 
 static int r_write (RSFD rfd, const void *buf)