2 * Copyright (c) 1996-2001, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.10 2001-02-20 11:23:50 adam
8 * Updated ccl_pquery to consider local attribute set too.
10 * Revision 1.9 2000/11/27 14:16:55 adam
11 * Fixed bug in ccl_rpn_simple regarding resultSetId's.
13 * Revision 1.8 2000/11/16 13:03:13 adam
14 * Function ccl_rpn_query sets attributeSet to Bib-1.
16 * Revision 1.7 2000/11/16 09:58:02 adam
17 * Implemented local AttributeSet setting for CCL field maps.
19 * Revision 1.6 2000/02/02 15:13:23 adam
22 * Revision 1.5 2000/01/31 13:15:22 adam
23 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
24 * that some characters are not surrounded by spaces in resulting term.
27 * Revision 1.4 1999/12/20 15:20:13 adam
28 * Implemented ccl_pquery to convert from CCL tree to prefix query.
30 * Revision 1.3 1999/11/30 13:47:12 adam
31 * Improved installation. Moved header files to include/yaz.
33 * Revision 1.2 1999/06/16 12:00:08 adam
36 * Revision 1.1 1999/06/08 10:12:43 adam
37 * Moved file to be part of zutil (instead of util).
39 * Revision 1.13 1998/03/31 15:13:20 adam
40 * Development towards compiled ASN.1.
42 * Revision 1.12 1998/02/11 11:53:36 adam
43 * Changed code so that it compiles as C++.
45 * Revision 1.11 1997/11/24 11:33:57 adam
46 * Using function odr_nullval() instead of global ODR_NULLVAL when
49 * Revision 1.10 1997/09/29 08:58:25 adam
50 * Fixed conversion of trees so that true copy is made.
52 * Revision 1.9 1997/06/23 10:31:25 adam
53 * Added ODR argument to ccl_rpn_query and ccl_scan_query.
55 * Revision 1.8 1996/10/29 13:36:27 adam
64 #include <yaz/yaz-ccl.h>
66 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
68 static Z_AttributesPlusTerm *ccl_rpn_term (ODR o, struct ccl_rpn_node *p)
70 struct ccl_rpn_attr *attr;
72 Z_AttributesPlusTerm *zapt;
75 Z_AttributeElement **elements;
77 zapt = (Z_AttributesPlusTerm *)odr_malloc (o, sizeof(*zapt));
79 term_octet = (Odr_oct *)odr_malloc (o, sizeof(*term_octet));
81 term = (Z_Term *)odr_malloc (o, sizeof(*term));
83 for (attr = p->u.t.attr_list; attr; attr = attr->next)
86 elements = (Z_AttributeElement**)odr_nullval();
90 elements = (Z_AttributeElement **)
91 odr_malloc (o, num*sizeof(*elements));
92 for (attr = p->u.t.attr_list; attr; attr = attr->next, i++)
94 elements[i] = (Z_AttributeElement *)
95 odr_malloc (o, sizeof(**elements));
96 elements[i]->attributeType =
97 (int *)odr_malloc(o, sizeof(int));
98 *elements[i]->attributeType = attr->type;
99 elements[i]->attributeSet = 0;
100 if (attr->set && *attr->set)
102 int value = oid_getvalbyname (attr->set);
104 if (value != VAL_NONE)
109 ident.oclass = CLASS_ATTSET;
110 ident.proto = PROTO_Z3950;
112 elements[i]->attributeSet =
113 odr_oiddup (o, oid_ent_to_oid (&ident, oid));
116 elements[i]->which = Z_AttributeValue_numeric;
117 elements[i]->value.numeric =
118 (int *)odr_malloc (o, sizeof(int));
119 *elements[i]->value.numeric = attr->value;
123 zapt->attributes = (Z_AttributeList *)
124 odr_malloc (o, sizeof(*zapt->attributes));
125 zapt->attributes->num_attributes = num;
126 zapt->attributes->attributes = elements;
128 zapt->num_attributes = num;
129 zapt->attributeList = elements;
132 term->which = Z_Term_general;
133 term->u.general = term_octet;
134 term_octet->len = term_octet->size = strlen (p->u.t.term);
135 term_octet->buf = (unsigned char *)odr_malloc (o, term_octet->len+1);
136 strcpy ((char*) term_octet->buf, p->u.t.term);
140 static Z_Operand *ccl_rpn_simple (ODR o, struct ccl_rpn_node *p)
144 zo = (Z_Operand *)odr_malloc (o, sizeof(*zo));
149 zo->which = Z_Operand_APT;
150 zo->u.attributesPlusTerm = ccl_rpn_term (o, p);
153 zo->which = Z_Operand_resultSetId;
154 zo->u.resultSetId = odr_strdup (o, p->u.setname);
162 static Z_Complex *ccl_rpn_complex (ODR o, struct ccl_rpn_node *p)
167 zc = (Z_Complex *)odr_malloc (o, sizeof(*zc));
168 zo = (Z_Operator *)odr_malloc (o, sizeof(*zo));
174 zo->which = Z_Operator_and;
175 zo->u.and = odr_nullval();
178 zo->which = Z_Operator_or;
179 zo->u.and = odr_nullval();
182 zo->which = Z_Operator_and_not;
183 zo->u.and = odr_nullval();
186 zo->which = Z_Operator_prox;
187 zo->u.prox = (Z_ProximityOperator *)
188 odr_malloc (o, sizeof(*zo->u.prox));
189 zo->u.prox->exclusion = 0;
191 zo->u.prox->distance = (int *)
192 odr_malloc (o, sizeof(*zo->u.prox->distance));
193 *zo->u.prox->distance = 2;
195 zo->u.prox->ordered = (bool_t *)
196 odr_malloc (o, sizeof(*zo->u.prox->ordered));
197 *zo->u.prox->ordered = 0;
199 zo->u.prox->relationType = (int *)
200 odr_malloc (o, sizeof(*zo->u.prox->relationType));
202 *zo->u.prox->relationType = Z_ProximityOperator_Prox_lessThan;
203 zo->u.prox->which = Z_ProximityOperator_known;
204 zo->u.prox->u.known =
205 odr_malloc (o, sizeof(*zo->u.prox->u.known));
206 *zo->u.prox->u.known = Z_ProxUnit_word;
208 *zo->u.prox->relationType = Z_Prox_lessThan;
209 zo->u.prox->which = Z_ProxCode_known;
210 zo->u.prox->proximityUnitCode = (int*)
211 odr_malloc (o, sizeof(*zo->u.prox->proximityUnitCode));
212 *zo->u.prox->proximityUnitCode = Z_ProxUnit_word;
218 zc->s1 = ccl_rpn_structure (o, p->u.p[0]);
219 zc->s2 = ccl_rpn_structure (o, p->u.p[1]);
223 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p)
227 zs = (Z_RPNStructure *)odr_malloc (o, sizeof(*zs));
234 zs->which = Z_RPNStructure_complex;
235 zs->u.complex = ccl_rpn_complex (o, p);
239 zs->which = Z_RPNStructure_simple;
240 zs->u.simple = ccl_rpn_simple (o, p);
248 Z_RPNQuery *ccl_rpn_query (ODR o, struct ccl_rpn_node *p)
253 bib1.proto = PROTO_Z3950;
254 bib1.oclass = CLASS_ATTSET;
255 bib1.value = VAL_BIB1;
257 zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
258 zq->attributeSetId = odr_oiddup (o, oid_ent_to_oid (&bib1, oid));
259 zq->RPNStructure = ccl_rpn_structure (o, p);
263 Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
265 if (p->kind != CCL_RPN_TERM)
267 return ccl_rpn_term (o, p);
270 static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
275 wrbuf_puts (w, "@and ");
278 wrbuf_puts(w, "@or ");
281 wrbuf_puts(w, "@not ");
284 wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
287 wrbuf_puts(w, "@ bad op (unknown) ");
289 ccl_pquery(w, p->u.p[0]);
290 ccl_pquery(w, p->u.p[1]);
293 void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
295 struct ccl_rpn_attr *att;
303 ccl_pquery_complex (w, p);
306 wrbuf_puts (w, "@set ");
307 wrbuf_puts (w, p->u.setname);
311 for (att = p->u.t.attr_list; att; att = att->next)
314 wrbuf_puts (w, "@attr ");
317 wrbuf_puts (w, att->set);
320 sprintf(tmpattr, "%d=%d ", att->type, att->value);
321 wrbuf_puts (w, tmpattr);
324 wrbuf_puts (w, p->u.t.term);
325 wrbuf_puts (w, "} ");