2 * Copyright (C) 1994-1998, Index Data I/S
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.11 1998-03-05 08:36:28 adam
8 * New result set model.
10 * Revision 1.10 1998/02/10 11:56:46 adam
11 * Implemented rset_dup.
13 * Revision 1.9 1996/10/29 13:55:21 adam
14 * Include of zebrautl.h instead of alexutil.h.
16 * Revision 1.8 1995/12/11 09:15:23 adam
17 * New set types: sand/sor/snot - ranked versions of and/or/not in
18 * ranked/semi-ranked result sets.
19 * Note: the snot not finished yet.
20 * New rset member: flag.
21 * Bug fix: r_delete in rsrel.c did free bad memory block.
23 * Revision 1.7 1995/10/12 12:41:56 adam
24 * Private info (buf) moved from struct rset_control to struct rset.
25 * Bug fixes in relevance.
27 * Revision 1.6 1995/09/08 14:52:41 adam
28 * Work on relevance feedback.
30 * Revision 1.5 1995/09/07 13:58:43 adam
31 * New parameter: result-set file descriptor (RSFD) to support multiple
32 * positions within the same result-set.
33 * Boolean operators: and, or, not implemented.
35 * Revision 1.4 1995/09/06 16:11:56 adam
36 * More work on boolean sets.
38 * Revision 1.3 1995/09/04 15:20:39 adam
39 * More work on temp sets. is_open member removed.
41 * Revision 1.2 1995/09/04 12:33:56 adam
42 * Various cleanup. YAZ util used instead.
44 * Revision 1.1 1994/11/04 13:21:28 quinn
54 RSET rset_create(const struct rset_control *sel, void *parms)
59 logf (LOG_DEBUG, "rs_create(%s)", sel->desc);
60 rnew = xmalloc(sizeof(*rnew));
64 rnew->rset_terms = NULL;
65 rnew->no_rset_terms = 0;
66 rnew->buf = (*sel->f_create)(rnew, sel, parms);
67 logf (LOG_DEBUG, "no_rset_terms: %d", rnew->no_rset_terms);
68 for (i = 0; i<rnew->no_rset_terms; i++)
69 logf (LOG_DEBUG, " %s", rnew->rset_terms[i]->name);
73 void rset_delete (RSET rs)
78 (*rs->control->f_delete)(rs);
83 RSET rset_dup (RSET rs)
89 RSET_TERM *rset_terms(RSET rs, int *no)
91 *no = rs->no_rset_terms;
92 return rs->rset_terms;
95 RSET_TERM rset_term_create (const char *name, int length, const char *flags)
97 RSET_TERM t = xmalloc (sizeof(*t));
100 else if (length == -1)
101 t->name = xstrdup (name);
104 t->name = xmalloc (length+1);
105 memcpy (t->name, name, length);
106 t->name[length] = '\0';
111 t->flags = xstrdup (flags);
116 void rset_term_destroy (RSET_TERM t)
123 RSET_TERM rset_term_dup (RSET_TERM t)
125 RSET_TERM nt = xmalloc (sizeof(*nt));
127 nt->name = xstrdup (t->name);
131 nt->flags = xstrdup (t->flags);