2 * Copyright (c) 1996-2000, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.8 2000-11-16 13:03:13 adam
8 * Function ccl_rpn_query sets attributeSet to Bib-1.
10 * Revision 1.7 2000/11/16 09:58:02 adam
11 * Implemented local AttributeSet setting for CCL field maps.
13 * Revision 1.6 2000/02/02 15:13:23 adam
16 * Revision 1.5 2000/01/31 13:15:22 adam
17 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
18 * that some characters are not surrounded by spaces in resulting term.
21 * Revision 1.4 1999/12/20 15:20:13 adam
22 * Implemented ccl_pquery to convert from CCL tree to prefix query.
24 * Revision 1.3 1999/11/30 13:47:12 adam
25 * Improved installation. Moved header files to include/yaz.
27 * Revision 1.2 1999/06/16 12:00:08 adam
30 * Revision 1.1 1999/06/08 10:12:43 adam
31 * Moved file to be part of zutil (instead of util).
33 * Revision 1.13 1998/03/31 15:13:20 adam
34 * Development towards compiled ASN.1.
36 * Revision 1.12 1998/02/11 11:53:36 adam
37 * Changed code so that it compiles as C++.
39 * Revision 1.11 1997/11/24 11:33:57 adam
40 * Using function odr_nullval() instead of global ODR_NULLVAL when
43 * Revision 1.10 1997/09/29 08:58:25 adam
44 * Fixed conversion of trees so that true copy is made.
46 * Revision 1.9 1997/06/23 10:31:25 adam
47 * Added ODR argument to ccl_rpn_query and ccl_scan_query.
49 * Revision 1.8 1996/10/29 13:36:27 adam
58 #include <yaz/yaz-ccl.h>
60 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
62 static Z_AttributesPlusTerm *ccl_rpn_term (ODR o, struct ccl_rpn_node *p)
64 struct ccl_rpn_attr *attr;
66 Z_AttributesPlusTerm *zapt;
69 Z_AttributeElement **elements;
71 zapt = (Z_AttributesPlusTerm *)odr_malloc (o, sizeof(*zapt));
73 term_octet = (Odr_oct *)odr_malloc (o, sizeof(*term_octet));
75 term = (Z_Term *)odr_malloc (o, sizeof(*term));
77 for (attr = p->u.t.attr_list; attr; attr = attr->next)
80 elements = (Z_AttributeElement**)odr_nullval();
84 elements = (Z_AttributeElement **)
85 odr_malloc (o, num*sizeof(*elements));
86 for (attr = p->u.t.attr_list; attr; attr = attr->next, i++)
88 elements[i] = (Z_AttributeElement *)
89 odr_malloc (o, sizeof(**elements));
90 elements[i]->attributeType =
91 (int *)odr_malloc(o, sizeof(int));
92 *elements[i]->attributeType = attr->type;
93 elements[i]->attributeSet = 0;
94 if (attr->set && *attr->set)
96 int value = oid_getvalbyname (attr->set);
98 if (value != VAL_NONE)
103 ident.oclass = CLASS_ATTSET;
104 ident.proto = PROTO_Z3950;
106 elements[i]->attributeSet =
107 odr_oiddup (o, oid_ent_to_oid (&ident, oid));
110 elements[i]->which = Z_AttributeValue_numeric;
111 elements[i]->value.numeric =
112 (int *)odr_malloc (o, sizeof(int));
113 *elements[i]->value.numeric = attr->value;
117 zapt->attributes = (Z_AttributeList *)
118 odr_malloc (o, sizeof(*zapt->attributes));
119 zapt->attributes->num_attributes = num;
120 zapt->attributes->attributes = elements;
122 zapt->num_attributes = num;
123 zapt->attributeList = elements;
126 term->which = Z_Term_general;
127 term->u.general = term_octet;
128 term_octet->len = term_octet->size = strlen (p->u.t.term);
129 term_octet->buf = (unsigned char *)odr_malloc (o, term_octet->len+1);
130 strcpy ((char*) term_octet->buf, p->u.t.term);
134 static Z_Operand *ccl_rpn_simple (ODR o, struct ccl_rpn_node *p)
138 zo = (Z_Operand *)odr_malloc (o, sizeof(*zo));
143 zo->which = Z_Operand_APT;
144 zo->u.attributesPlusTerm = ccl_rpn_term (o, p);
147 zo->which = Z_Operand_resultSetId;
148 zo->u.resultSetId = p->u.setname;
156 static Z_Complex *ccl_rpn_complex (ODR o, struct ccl_rpn_node *p)
161 zc = (Z_Complex *)odr_malloc (o, sizeof(*zc));
162 zo = (Z_Operator *)odr_malloc (o, sizeof(*zo));
168 zo->which = Z_Operator_and;
169 zo->u.and = odr_nullval();
172 zo->which = Z_Operator_or;
173 zo->u.and = odr_nullval();
176 zo->which = Z_Operator_and_not;
177 zo->u.and = odr_nullval();
180 zo->which = Z_Operator_prox;
181 zo->u.prox = (Z_ProximityOperator *)
182 odr_malloc (o, sizeof(*zo->u.prox));
183 zo->u.prox->exclusion = 0;
185 zo->u.prox->distance = (int *)
186 odr_malloc (o, sizeof(*zo->u.prox->distance));
187 *zo->u.prox->distance = 2;
189 zo->u.prox->ordered = (bool_t *)
190 odr_malloc (o, sizeof(*zo->u.prox->ordered));
191 *zo->u.prox->ordered = 0;
193 zo->u.prox->relationType = (int *)
194 odr_malloc (o, sizeof(*zo->u.prox->relationType));
196 *zo->u.prox->relationType = Z_ProximityOperator_Prox_lessThan;
197 zo->u.prox->which = Z_ProximityOperator_known;
198 zo->u.prox->u.known =
199 odr_malloc (o, sizeof(*zo->u.prox->u.known));
200 *zo->u.prox->u.known = Z_ProxUnit_word;
202 *zo->u.prox->relationType = Z_Prox_lessThan;
203 zo->u.prox->which = Z_ProxCode_known;
204 zo->u.prox->proximityUnitCode = (int*)
205 odr_malloc (o, sizeof(*zo->u.prox->proximityUnitCode));
206 *zo->u.prox->proximityUnitCode = Z_ProxUnit_word;
212 zc->s1 = ccl_rpn_structure (o, p->u.p[0]);
213 zc->s2 = ccl_rpn_structure (o, p->u.p[1]);
217 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p)
221 zs = (Z_RPNStructure *)odr_malloc (o, sizeof(*zs));
228 zs->which = Z_RPNStructure_complex;
229 zs->u.complex = ccl_rpn_complex (o, p);
233 zs->which = Z_RPNStructure_simple;
234 zs->u.simple = ccl_rpn_simple (o, p);
242 Z_RPNQuery *ccl_rpn_query (ODR o, struct ccl_rpn_node *p)
247 bib1.proto = PROTO_Z3950;
248 bib1.oclass = CLASS_ATTSET;
249 bib1.value = VAL_BIB1;
251 zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
252 zq->attributeSetId = odr_oiddup (o, oid_ent_to_oid (&bib1, oid));
253 zq->RPNStructure = ccl_rpn_structure (o, p);
257 Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
259 if (p->kind != CCL_RPN_TERM)
261 return ccl_rpn_term (o, p);
264 static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
269 wrbuf_puts (w, "@and ");
272 wrbuf_puts(w, "@or ");
275 wrbuf_puts(w, "@not ");
278 wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
281 wrbuf_puts(w, "@ bad op (unknown) ");
283 ccl_pquery(w, p->u.p[0]);
284 ccl_pquery(w, p->u.p[1]);
287 void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
289 struct ccl_rpn_attr *att;
297 ccl_pquery_complex (w, p);
300 wrbuf_puts (w, "@set ");
301 wrbuf_puts (w, p->u.setname);
305 for (att = p->u.t.attr_list; att; att = att->next)
308 sprintf(tmpattr, "@attr %d=%d ", att->type, att->value);
309 wrbuf_puts (w, tmpattr);
312 wrbuf_puts (w, p->u.t.term);
313 wrbuf_puts (w, "} ");