2 * Copyright (c) 1996-2000, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.7 2000-11-16 09:58:02 adam
8 * Implemented local AttributeSet setting for CCL field maps.
10 * Revision 1.6 2000/02/02 15:13:23 adam
13 * Revision 1.5 2000/01/31 13:15:22 adam
14 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
15 * that some characters are not surrounded by spaces in resulting term.
18 * Revision 1.4 1999/12/20 15:20:13 adam
19 * Implemented ccl_pquery to convert from CCL tree to prefix query.
21 * Revision 1.3 1999/11/30 13:47:12 adam
22 * Improved installation. Moved header files to include/yaz.
24 * Revision 1.2 1999/06/16 12:00:08 adam
27 * Revision 1.1 1999/06/08 10:12:43 adam
28 * Moved file to be part of zutil (instead of util).
30 * Revision 1.13 1998/03/31 15:13:20 adam
31 * Development towards compiled ASN.1.
33 * Revision 1.12 1998/02/11 11:53:36 adam
34 * Changed code so that it compiles as C++.
36 * Revision 1.11 1997/11/24 11:33:57 adam
37 * Using function odr_nullval() instead of global ODR_NULLVAL when
40 * Revision 1.10 1997/09/29 08:58:25 adam
41 * Fixed conversion of trees so that true copy is made.
43 * Revision 1.9 1997/06/23 10:31:25 adam
44 * Added ODR argument to ccl_rpn_query and ccl_scan_query.
46 * Revision 1.8 1996/10/29 13:36:27 adam
55 #include <yaz/yaz-ccl.h>
57 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
59 static Z_AttributesPlusTerm *ccl_rpn_term (ODR o, struct ccl_rpn_node *p)
61 struct ccl_rpn_attr *attr;
63 Z_AttributesPlusTerm *zapt;
66 Z_AttributeElement **elements;
68 zapt = (Z_AttributesPlusTerm *)odr_malloc (o, sizeof(*zapt));
70 term_octet = (Odr_oct *)odr_malloc (o, sizeof(*term_octet));
72 term = (Z_Term *)odr_malloc (o, sizeof(*term));
74 for (attr = p->u.t.attr_list; attr; attr = attr->next)
77 elements = (Z_AttributeElement**)odr_nullval();
81 elements = (Z_AttributeElement **)
82 odr_malloc (o, num*sizeof(*elements));
83 for (attr = p->u.t.attr_list; attr; attr = attr->next, i++)
85 elements[i] = (Z_AttributeElement *)
86 odr_malloc (o, sizeof(**elements));
87 elements[i]->attributeType =
88 (int *)odr_malloc(o, sizeof(int));
89 *elements[i]->attributeType = attr->type;
90 elements[i]->attributeSet = 0;
91 if (attr->set && *attr->set)
93 int value = oid_getvalbyname (attr->set);
95 if (value != VAL_NONE)
100 ident.oclass = CLASS_ATTSET;
101 ident.proto = PROTO_Z3950;
103 elements[i]->attributeSet =
104 odr_oiddup (o, oid_ent_to_oid (&ident, oid));
107 elements[i]->which = Z_AttributeValue_numeric;
108 elements[i]->value.numeric =
109 (int *)odr_malloc (o, sizeof(int));
110 *elements[i]->value.numeric = attr->value;
114 zapt->attributes = (Z_AttributeList *)
115 odr_malloc (o, sizeof(*zapt->attributes));
116 zapt->attributes->num_attributes = num;
117 zapt->attributes->attributes = elements;
119 zapt->num_attributes = num;
120 zapt->attributeList = elements;
123 term->which = Z_Term_general;
124 term->u.general = term_octet;
125 term_octet->len = term_octet->size = strlen (p->u.t.term);
126 term_octet->buf = (unsigned char *)odr_malloc (o, term_octet->len+1);
127 strcpy ((char*) term_octet->buf, p->u.t.term);
131 static Z_Operand *ccl_rpn_simple (ODR o, struct ccl_rpn_node *p)
135 zo = (Z_Operand *)odr_malloc (o, sizeof(*zo));
140 zo->which = Z_Operand_APT;
141 zo->u.attributesPlusTerm = ccl_rpn_term (o, p);
144 zo->which = Z_Operand_resultSetId;
145 zo->u.resultSetId = p->u.setname;
153 static Z_Complex *ccl_rpn_complex (ODR o, struct ccl_rpn_node *p)
158 zc = (Z_Complex *)odr_malloc (o, sizeof(*zc));
159 zo = (Z_Operator *)odr_malloc (o, sizeof(*zo));
165 zo->which = Z_Operator_and;
166 zo->u.and = odr_nullval();
169 zo->which = Z_Operator_or;
170 zo->u.and = odr_nullval();
173 zo->which = Z_Operator_and_not;
174 zo->u.and = odr_nullval();
177 zo->which = Z_Operator_prox;
178 zo->u.prox = (Z_ProximityOperator *)
179 odr_malloc (o, sizeof(*zo->u.prox));
180 zo->u.prox->exclusion = 0;
182 zo->u.prox->distance = (int *)
183 odr_malloc (o, sizeof(*zo->u.prox->distance));
184 *zo->u.prox->distance = 2;
186 zo->u.prox->ordered = (bool_t *)
187 odr_malloc (o, sizeof(*zo->u.prox->ordered));
188 *zo->u.prox->ordered = 0;
190 zo->u.prox->relationType = (int *)
191 odr_malloc (o, sizeof(*zo->u.prox->relationType));
193 *zo->u.prox->relationType = Z_ProximityOperator_Prox_lessThan;
194 zo->u.prox->which = Z_ProximityOperator_known;
195 zo->u.prox->u.known =
196 odr_malloc (o, sizeof(*zo->u.prox->u.known));
197 *zo->u.prox->u.known = Z_ProxUnit_word;
199 *zo->u.prox->relationType = Z_Prox_lessThan;
200 zo->u.prox->which = Z_ProxCode_known;
201 zo->u.prox->proximityUnitCode = (int*)
202 odr_malloc (o, sizeof(*zo->u.prox->proximityUnitCode));
203 *zo->u.prox->proximityUnitCode = Z_ProxUnit_word;
209 zc->s1 = ccl_rpn_structure (o, p->u.p[0]);
210 zc->s2 = ccl_rpn_structure (o, p->u.p[1]);
214 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p)
218 zs = (Z_RPNStructure *)odr_malloc (o, sizeof(*zs));
225 zs->which = Z_RPNStructure_complex;
226 zs->u.complex = ccl_rpn_complex (o, p);
230 zs->which = Z_RPNStructure_simple;
231 zs->u.simple = ccl_rpn_simple (o, p);
239 Z_RPNQuery *ccl_rpn_query (ODR o, struct ccl_rpn_node *p)
243 zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
244 zq->attributeSetId = NULL;
245 zq->RPNStructure = ccl_rpn_structure (o, p);
249 Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
251 if (p->kind != CCL_RPN_TERM)
253 return ccl_rpn_term (o, p);
256 static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
261 wrbuf_puts (w, "@and ");
264 wrbuf_puts(w, "@or ");
267 wrbuf_puts(w, "@not ");
270 wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
273 wrbuf_puts(w, "@ bad op (unknown) ");
275 ccl_pquery(w, p->u.p[0]);
276 ccl_pquery(w, p->u.p[1]);
279 void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
281 struct ccl_rpn_attr *att;
289 ccl_pquery_complex (w, p);
292 wrbuf_puts (w, "@set ");
293 wrbuf_puts (w, p->u.setname);
297 for (att = p->u.t.attr_list; att; att = att->next)
300 sprintf(tmpattr, "@attr %d=%d ", att->type, att->value);
301 wrbuf_puts (w, tmpattr);
304 wrbuf_puts (w, p->u.t.term);
305 wrbuf_puts (w, "} ");