2 * Copyright (C) 1994-1999, Index Data
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.13 1999-02-02 14:51:33 adam
8 * Updated WIN32 code specific sections. Changed header.
10 * Revision 1.12 1998/04/26 10:56:57 adam
11 * Added include of string.h.
13 * Revision 1.11 1998/03/05 08:36:28 adam
14 * New result set model.
16 * Revision 1.10 1998/02/10 11:56:46 adam
17 * Implemented rset_dup.
19 * Revision 1.9 1996/10/29 13:55:21 adam
20 * Include of zebrautl.h instead of alexutil.h.
22 * Revision 1.8 1995/12/11 09:15:23 adam
23 * New set types: sand/sor/snot - ranked versions of and/or/not in
24 * ranked/semi-ranked result sets.
25 * Note: the snot not finished yet.
26 * New rset member: flag.
27 * Bug fix: r_delete in rsrel.c did free bad memory block.
29 * Revision 1.7 1995/10/12 12:41:56 adam
30 * Private info (buf) moved from struct rset_control to struct rset.
31 * Bug fixes in relevance.
33 * Revision 1.6 1995/09/08 14:52:41 adam
34 * Work on relevance feedback.
36 * Revision 1.5 1995/09/07 13:58:43 adam
37 * New parameter: result-set file descriptor (RSFD) to support multiple
38 * positions within the same result-set.
39 * Boolean operators: and, or, not implemented.
41 * Revision 1.4 1995/09/06 16:11:56 adam
42 * More work on boolean sets.
44 * Revision 1.3 1995/09/04 15:20:39 adam
45 * More work on temp sets. is_open member removed.
47 * Revision 1.2 1995/09/04 12:33:56 adam
48 * Various cleanup. YAZ util used instead.
50 * Revision 1.1 1994/11/04 13:21:28 quinn
61 RSET rset_create(const struct rset_control *sel, void *parms)
66 logf (LOG_DEBUG, "rs_create(%s)", sel->desc);
67 rnew = xmalloc(sizeof(*rnew));
71 rnew->rset_terms = NULL;
72 rnew->no_rset_terms = 0;
73 rnew->buf = (*sel->f_create)(rnew, sel, parms);
74 logf (LOG_DEBUG, "no_rset_terms: %d", rnew->no_rset_terms);
75 for (i = 0; i<rnew->no_rset_terms; i++)
76 logf (LOG_DEBUG, " %s", rnew->rset_terms[i]->name);
80 void rset_delete (RSET rs)
85 (*rs->control->f_delete)(rs);
90 RSET rset_dup (RSET rs)
96 RSET_TERM *rset_terms(RSET rs, int *no)
98 *no = rs->no_rset_terms;
99 return rs->rset_terms;
102 RSET_TERM rset_term_create (const char *name, int length, const char *flags)
104 RSET_TERM t = xmalloc (sizeof(*t));
107 else if (length == -1)
108 t->name = xstrdup (name);
111 t->name = xmalloc (length+1);
112 memcpy (t->name, name, length);
113 t->name[length] = '\0';
118 t->flags = xstrdup (flags);
123 void rset_term_destroy (RSET_TERM t)
130 RSET_TERM rset_term_dup (RSET_TERM t)
132 RSET_TERM nt = xmalloc (sizeof(*nt));
134 nt->name = xstrdup (t->name);
138 nt->flags = xstrdup (t->flags);