2 * Copyright (c) 1996-2000, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.9 2000-11-27 14:16:55 adam
8 * Fixed bug in ccl_rpn_simple regarding resultSetId's.
10 * Revision 1.8 2000/11/16 13:03:13 adam
11 * Function ccl_rpn_query sets attributeSet to Bib-1.
13 * Revision 1.7 2000/11/16 09:58:02 adam
14 * Implemented local AttributeSet setting for CCL field maps.
16 * Revision 1.6 2000/02/02 15:13:23 adam
19 * Revision 1.5 2000/01/31 13:15:22 adam
20 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
21 * that some characters are not surrounded by spaces in resulting term.
24 * Revision 1.4 1999/12/20 15:20:13 adam
25 * Implemented ccl_pquery to convert from CCL tree to prefix query.
27 * Revision 1.3 1999/11/30 13:47:12 adam
28 * Improved installation. Moved header files to include/yaz.
30 * Revision 1.2 1999/06/16 12:00:08 adam
33 * Revision 1.1 1999/06/08 10:12:43 adam
34 * Moved file to be part of zutil (instead of util).
36 * Revision 1.13 1998/03/31 15:13:20 adam
37 * Development towards compiled ASN.1.
39 * Revision 1.12 1998/02/11 11:53:36 adam
40 * Changed code so that it compiles as C++.
42 * Revision 1.11 1997/11/24 11:33:57 adam
43 * Using function odr_nullval() instead of global ODR_NULLVAL when
46 * Revision 1.10 1997/09/29 08:58:25 adam
47 * Fixed conversion of trees so that true copy is made.
49 * Revision 1.9 1997/06/23 10:31:25 adam
50 * Added ODR argument to ccl_rpn_query and ccl_scan_query.
52 * Revision 1.8 1996/10/29 13:36:27 adam
61 #include <yaz/yaz-ccl.h>
63 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
65 static Z_AttributesPlusTerm *ccl_rpn_term (ODR o, struct ccl_rpn_node *p)
67 struct ccl_rpn_attr *attr;
69 Z_AttributesPlusTerm *zapt;
72 Z_AttributeElement **elements;
74 zapt = (Z_AttributesPlusTerm *)odr_malloc (o, sizeof(*zapt));
76 term_octet = (Odr_oct *)odr_malloc (o, sizeof(*term_octet));
78 term = (Z_Term *)odr_malloc (o, sizeof(*term));
80 for (attr = p->u.t.attr_list; attr; attr = attr->next)
83 elements = (Z_AttributeElement**)odr_nullval();
87 elements = (Z_AttributeElement **)
88 odr_malloc (o, num*sizeof(*elements));
89 for (attr = p->u.t.attr_list; attr; attr = attr->next, i++)
91 elements[i] = (Z_AttributeElement *)
92 odr_malloc (o, sizeof(**elements));
93 elements[i]->attributeType =
94 (int *)odr_malloc(o, sizeof(int));
95 *elements[i]->attributeType = attr->type;
96 elements[i]->attributeSet = 0;
97 if (attr->set && *attr->set)
99 int value = oid_getvalbyname (attr->set);
101 if (value != VAL_NONE)
106 ident.oclass = CLASS_ATTSET;
107 ident.proto = PROTO_Z3950;
109 elements[i]->attributeSet =
110 odr_oiddup (o, oid_ent_to_oid (&ident, oid));
113 elements[i]->which = Z_AttributeValue_numeric;
114 elements[i]->value.numeric =
115 (int *)odr_malloc (o, sizeof(int));
116 *elements[i]->value.numeric = attr->value;
120 zapt->attributes = (Z_AttributeList *)
121 odr_malloc (o, sizeof(*zapt->attributes));
122 zapt->attributes->num_attributes = num;
123 zapt->attributes->attributes = elements;
125 zapt->num_attributes = num;
126 zapt->attributeList = elements;
129 term->which = Z_Term_general;
130 term->u.general = term_octet;
131 term_octet->len = term_octet->size = strlen (p->u.t.term);
132 term_octet->buf = (unsigned char *)odr_malloc (o, term_octet->len+1);
133 strcpy ((char*) term_octet->buf, p->u.t.term);
137 static Z_Operand *ccl_rpn_simple (ODR o, struct ccl_rpn_node *p)
141 zo = (Z_Operand *)odr_malloc (o, sizeof(*zo));
146 zo->which = Z_Operand_APT;
147 zo->u.attributesPlusTerm = ccl_rpn_term (o, p);
150 zo->which = Z_Operand_resultSetId;
151 zo->u.resultSetId = odr_strdup (o, p->u.setname);
159 static Z_Complex *ccl_rpn_complex (ODR o, struct ccl_rpn_node *p)
164 zc = (Z_Complex *)odr_malloc (o, sizeof(*zc));
165 zo = (Z_Operator *)odr_malloc (o, sizeof(*zo));
171 zo->which = Z_Operator_and;
172 zo->u.and = odr_nullval();
175 zo->which = Z_Operator_or;
176 zo->u.and = odr_nullval();
179 zo->which = Z_Operator_and_not;
180 zo->u.and = odr_nullval();
183 zo->which = Z_Operator_prox;
184 zo->u.prox = (Z_ProximityOperator *)
185 odr_malloc (o, sizeof(*zo->u.prox));
186 zo->u.prox->exclusion = 0;
188 zo->u.prox->distance = (int *)
189 odr_malloc (o, sizeof(*zo->u.prox->distance));
190 *zo->u.prox->distance = 2;
192 zo->u.prox->ordered = (bool_t *)
193 odr_malloc (o, sizeof(*zo->u.prox->ordered));
194 *zo->u.prox->ordered = 0;
196 zo->u.prox->relationType = (int *)
197 odr_malloc (o, sizeof(*zo->u.prox->relationType));
199 *zo->u.prox->relationType = Z_ProximityOperator_Prox_lessThan;
200 zo->u.prox->which = Z_ProximityOperator_known;
201 zo->u.prox->u.known =
202 odr_malloc (o, sizeof(*zo->u.prox->u.known));
203 *zo->u.prox->u.known = Z_ProxUnit_word;
205 *zo->u.prox->relationType = Z_Prox_lessThan;
206 zo->u.prox->which = Z_ProxCode_known;
207 zo->u.prox->proximityUnitCode = (int*)
208 odr_malloc (o, sizeof(*zo->u.prox->proximityUnitCode));
209 *zo->u.prox->proximityUnitCode = Z_ProxUnit_word;
215 zc->s1 = ccl_rpn_structure (o, p->u.p[0]);
216 zc->s2 = ccl_rpn_structure (o, p->u.p[1]);
220 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p)
224 zs = (Z_RPNStructure *)odr_malloc (o, sizeof(*zs));
231 zs->which = Z_RPNStructure_complex;
232 zs->u.complex = ccl_rpn_complex (o, p);
236 zs->which = Z_RPNStructure_simple;
237 zs->u.simple = ccl_rpn_simple (o, p);
245 Z_RPNQuery *ccl_rpn_query (ODR o, struct ccl_rpn_node *p)
250 bib1.proto = PROTO_Z3950;
251 bib1.oclass = CLASS_ATTSET;
252 bib1.value = VAL_BIB1;
254 zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
255 zq->attributeSetId = odr_oiddup (o, oid_ent_to_oid (&bib1, oid));
256 zq->RPNStructure = ccl_rpn_structure (o, p);
260 Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
262 if (p->kind != CCL_RPN_TERM)
264 return ccl_rpn_term (o, p);
267 static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
272 wrbuf_puts (w, "@and ");
275 wrbuf_puts(w, "@or ");
278 wrbuf_puts(w, "@not ");
281 wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
284 wrbuf_puts(w, "@ bad op (unknown) ");
286 ccl_pquery(w, p->u.p[0]);
287 ccl_pquery(w, p->u.p[1]);
290 void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
292 struct ccl_rpn_attr *att;
300 ccl_pquery_complex (w, p);
303 wrbuf_puts (w, "@set ");
304 wrbuf_puts (w, p->u.setname);
308 for (att = p->u.t.attr_list; att; att = att->next)
311 sprintf(tmpattr, "@attr %d=%d ", att->type, att->value);
312 wrbuf_puts (w, tmpattr);
315 wrbuf_puts (w, p->u.t.term);
316 wrbuf_puts (w, "} ");