-/* $Id: rsbool.c,v 1.28 2004-06-02 12:31:23 adam Exp $
+/* $Id: rsbool.c,v 1.37 2004-08-06 14:09:02 heikki Exp $
Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002,2003,2004
Index Data Aps
#include <string.h>
#include <assert.h>
-#include <rsbool.h>
#include <zebrautl.h>
+#include <rset.h>
+#include <rsbool.h>
#ifndef RSET_DEBUG
#define RSET_DEBUG 0
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 void r_pos (RSFD rfd, double *current, double *total);
static int r_read_and (RSFD rfd, void *buf, int *term_index);
static int r_read_or (RSFD rfd, void *buf, int *term_index);
static int r_read_not (RSFD rfd, void *buf, int *term_index);
r_close,
r_delete,
r_rewind,
- r_forward, /* rset_default_forward, */
- r_count,
+ r_forward,
+ r_pos,
r_read_and,
r_write,
};
r_close,
r_delete,
r_rewind,
-#if 1
r_forward,
-#else
- rset_default_forward,
-#endif
- r_count,
+ r_pos,
r_read_or,
r_write,
};
r_delete,
r_rewind,
r_forward,
- r_count,
+ r_pos,
r_read_not,
r_write,
};
};
struct rset_bool_rfd {
+ zint hits;
RSFD rfd_l;
RSFD rfd_r;
int more_l;
rfd->next = info->rfd_list;
info->rfd_list = rfd;
rfd->info = info;
+ rfd->hits=0;
rfd->buf_l = xmalloc (info->key_size);
rfd->buf_r = xmalloc (info->key_size);
rset_rewind (info->rset_r, p->rfd_r);
p->more_l = rset_read (info->rset_l, p->rfd_l, p->buf_l, &p->term_index_l);
p->more_r = rset_read (info->rset_r, p->rfd_r, p->buf_r, &p->term_index_r);
+ p->hits=0;
}
static int r_forward (RSET ct, RSFD rfd, void *buf, int *term_index,
{
struct rset_bool_info *info = ((struct rset_bool_rfd*)rfd)->info;
struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
- int cmp=0;
int rc;
#if RSET_DEBUG
rfd, rc, p->more_l, p->more_r);
#endif
return rc;
-
- if (p->more_l && p->more_r)
- cmp = (*info->cmp)(p->buf_l, p->buf_r);
- else if (p->more_l)
- cmp = -2;
- else
- cmp = 2;
- if ( (cmp<0) && (p->more_l) )
- {
- memcpy (buf, p->buf_l, info->key_size);
- *term_index = p->term_index_l;
-#if RSET_DEBUG
- logf (LOG_DEBUG, "rsbool_forward returning L (cmp=%d)",cmp);
-#endif
- return 1;
- } else if ( (cmp>0) && (p->more_r) )
- {
- memcpy (buf, p->buf_r, info->key_size);
- *term_index = p->term_index_r + info->term_index_s;
-#if RSET_DEBUG
- logf (LOG_DEBUG, "rsbool_forward returning R (cmp=%d)",cmp);
-#endif
- return 1;
- }
- /* return ( p->more_l || p->more_r); */
- return 0;
-}
-
-static int r_count (RSET ct)
-{
- return 0;
}
key_logdump(LOG_DEBUG,buf);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
else if (cmp == -1)
rfd, p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
else if (cmp > 1) /* cmp == 2 */
p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
#else
rfd, p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
- } else
+ }
+ else
{
#if RSET_DEBUG
logf (LOG_DEBUG, "r_read_and [%p] about to forward R m=%d/%d c=%d",
rfd, p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
#else
rfd, p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
else
p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
else if (cmp > 0)
p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
else
p->more_l, p->more_r, cmp);
(*info->log_item)(LOG_DEBUG, buf, "");
#endif
+ p->hits++;
return 1;
}
}
*term_index = p->term_index_l;
p->more_l = rset_read (info->rset_l, p->rfd_l, p->buf_l,
&p->term_index_l);
+ p->hits++;
return 1;
}
else if (cmp > 1)
-#if 0
- p->more_r = rset_read (info->rset_r, p->rfd_r, p->buf_r,
- &p->term_index_r);
-#else
- p->more_r = rset_forward(
- info->rset_r, p->rfd_r,
- p->buf_r, &p->term_index_r,
- (info->cmp), p->buf_l);
-#endif
+ {
+ p->more_r = rset_forward(
+ info->rset_r, p->rfd_r,
+ p->buf_r, &p->term_index_r,
+ (info->cmp), p->buf_l);
+ }
else
{
memcpy (buf, p->buf_l, info->key_size);
return -1;
}
+static void r_pos (RSFD rfd, double *current, double *total)
+{
+ struct rset_bool_rfd *p = (struct rset_bool_rfd *) rfd;
+ struct rset_bool_info *info = p->info;
+ double lcur,ltot;
+ double rcur,rtot;
+ double r;
+ ltot=-1; rtot=-1;
+ rset_pos(info->rset_l, p->rfd_l, &lcur, <ot);
+ rset_pos(info->rset_r, p->rfd_r, &rcur, &rtot);
+ if ( (rtot<0) && (ltot<0)) { /*no position */
+ *current=rcur; /* return same as you got */
+ *total=rtot; /* probably -1 for not available */
+ }
+ if ( rtot<0) { rtot=0; rcur=0;} /* if only one useful, use it */
+ if ( ltot<0) { ltot=0; lcur=0;}
+ if ( rtot+ltot < 1 ) { /* empty rset */
+ *current=0;
+ *total=0;
+ return;
+ }
+ r=1.0*(lcur+rcur)/(ltot+rtot); /* weighed average of l and r */
+ *current=(double) (p->hits);
+ *total=*current/r ;
+#if RSET_DEBUG
+ yaz_log(LOG_DEBUG,"bool_pos: (%s/%s) %0.1f/%0.1f= %0.4f ",
+ info->rset_l->control->desc, info->rset_r->control->desc,
+ *current, *total, r);
+#endif
+}