2 * Copyright (c) 1996-2001, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.11 2001-02-21 13:46:54 adam
10 * Revision 1.10 2001/02/20 11:23:50 adam
11 * Updated ccl_pquery to consider local attribute set too.
13 * Revision 1.9 2000/11/27 14:16:55 adam
14 * Fixed bug in ccl_rpn_simple regarding resultSetId's.
16 * Revision 1.8 2000/11/16 13:03:13 adam
17 * Function ccl_rpn_query sets attributeSet to Bib-1.
19 * Revision 1.7 2000/11/16 09:58:02 adam
20 * Implemented local AttributeSet setting for CCL field maps.
22 * Revision 1.6 2000/02/02 15:13:23 adam
25 * Revision 1.5 2000/01/31 13:15:22 adam
26 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
27 * that some characters are not surrounded by spaces in resulting term.
30 * Revision 1.4 1999/12/20 15:20:13 adam
31 * Implemented ccl_pquery to convert from CCL tree to prefix query.
33 * Revision 1.3 1999/11/30 13:47:12 adam
34 * Improved installation. Moved header files to include/yaz.
36 * Revision 1.2 1999/06/16 12:00:08 adam
39 * Revision 1.1 1999/06/08 10:12:43 adam
40 * Moved file to be part of zutil (instead of util).
42 * Revision 1.13 1998/03/31 15:13:20 adam
43 * Development towards compiled ASN.1.
45 * Revision 1.12 1998/02/11 11:53:36 adam
46 * Changed code so that it compiles as C++.
48 * Revision 1.11 1997/11/24 11:33:57 adam
49 * Using function odr_nullval() instead of global ODR_NULLVAL when
52 * Revision 1.10 1997/09/29 08:58:25 adam
53 * Fixed conversion of trees so that true copy is made.
55 * Revision 1.9 1997/06/23 10:31:25 adam
56 * Added ODR argument to ccl_rpn_query and ccl_scan_query.
58 * Revision 1.8 1996/10/29 13:36:27 adam
67 #include <yaz/yaz-ccl.h>
69 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
71 static Z_AttributesPlusTerm *ccl_rpn_term (ODR o, struct ccl_rpn_node *p)
73 struct ccl_rpn_attr *attr;
75 Z_AttributesPlusTerm *zapt;
78 Z_AttributeElement **elements;
80 zapt = (Z_AttributesPlusTerm *)odr_malloc (o, sizeof(*zapt));
82 term_octet = (Odr_oct *)odr_malloc (o, sizeof(*term_octet));
84 term = (Z_Term *)odr_malloc (o, sizeof(*term));
86 for (attr = p->u.t.attr_list; attr; attr = attr->next)
89 elements = (Z_AttributeElement**)odr_nullval();
93 elements = (Z_AttributeElement **)
94 odr_malloc (o, num*sizeof(*elements));
95 for (attr = p->u.t.attr_list; attr; attr = attr->next, i++)
97 elements[i] = (Z_AttributeElement *)
98 odr_malloc (o, sizeof(**elements));
99 elements[i]->attributeType =
100 (int *)odr_malloc(o, sizeof(int));
101 *elements[i]->attributeType = attr->type;
102 elements[i]->attributeSet = 0;
103 if (attr->set && *attr->set)
105 int value = oid_getvalbyname (attr->set);
107 if (value != VAL_NONE)
112 ident.oclass = CLASS_ATTSET;
113 ident.proto = PROTO_Z3950;
114 ident.value = (oid_value) value;
115 elements[i]->attributeSet =
116 odr_oiddup (o, oid_ent_to_oid (&ident, oid));
119 elements[i]->which = Z_AttributeValue_numeric;
120 elements[i]->value.numeric =
121 (int *)odr_malloc (o, sizeof(int));
122 *elements[i]->value.numeric = attr->value;
126 zapt->attributes = (Z_AttributeList *)
127 odr_malloc (o, sizeof(*zapt->attributes));
128 zapt->attributes->num_attributes = num;
129 zapt->attributes->attributes = elements;
131 zapt->num_attributes = num;
132 zapt->attributeList = elements;
135 term->which = Z_Term_general;
136 term->u.general = term_octet;
137 term_octet->len = term_octet->size = strlen (p->u.t.term);
138 term_octet->buf = (unsigned char *)odr_malloc (o, term_octet->len+1);
139 strcpy ((char*) term_octet->buf, p->u.t.term);
143 static Z_Operand *ccl_rpn_simple (ODR o, struct ccl_rpn_node *p)
147 zo = (Z_Operand *)odr_malloc (o, sizeof(*zo));
152 zo->which = Z_Operand_APT;
153 zo->u.attributesPlusTerm = ccl_rpn_term (o, p);
156 zo->which = Z_Operand_resultSetId;
157 zo->u.resultSetId = odr_strdup (o, p->u.setname);
165 static Z_Complex *ccl_rpn_complex (ODR o, struct ccl_rpn_node *p)
170 zc = (Z_Complex *)odr_malloc (o, sizeof(*zc));
171 zo = (Z_Operator *)odr_malloc (o, sizeof(*zo));
177 zo->which = Z_Operator_and;
178 zo->u.op_and = odr_nullval();
181 zo->which = Z_Operator_or;
182 zo->u.op_or = odr_nullval();
185 zo->which = Z_Operator_and_not;
186 zo->u.op_and_not = odr_nullval();
189 zo->which = Z_Operator_prox;
190 zo->u.prox = (Z_ProximityOperator *)
191 odr_malloc (o, sizeof(*zo->u.prox));
192 zo->u.prox->exclusion = 0;
194 zo->u.prox->distance = (int *)
195 odr_malloc (o, sizeof(*zo->u.prox->distance));
196 *zo->u.prox->distance = 2;
198 zo->u.prox->ordered = (bool_t *)
199 odr_malloc (o, sizeof(*zo->u.prox->ordered));
200 *zo->u.prox->ordered = 0;
202 zo->u.prox->relationType = (int *)
203 odr_malloc (o, sizeof(*zo->u.prox->relationType));
205 *zo->u.prox->relationType = Z_ProximityOperator_Prox_lessThan;
206 zo->u.prox->which = Z_ProximityOperator_known;
207 zo->u.prox->u.known =
208 (Z_ProxUnit *) odr_malloc (o, sizeof(*zo->u.prox->u.known));
209 *zo->u.prox->u.known = Z_ProxUnit_word;
211 *zo->u.prox->relationType = Z_Prox_lessThan;
212 zo->u.prox->which = Z_ProxCode_known;
213 zo->u.prox->proximityUnitCode = (int*)
214 odr_malloc (o, sizeof(*zo->u.prox->proximityUnitCode));
215 *zo->u.prox->proximityUnitCode = Z_ProxUnit_word;
221 zc->s1 = ccl_rpn_structure (o, p->u.p[0]);
222 zc->s2 = ccl_rpn_structure (o, p->u.p[1]);
226 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p)
230 zs = (Z_RPNStructure *)odr_malloc (o, sizeof(*zs));
237 zs->which = Z_RPNStructure_complex;
238 zs->u.complex = ccl_rpn_complex (o, p);
242 zs->which = Z_RPNStructure_simple;
243 zs->u.simple = ccl_rpn_simple (o, p);
251 Z_RPNQuery *ccl_rpn_query (ODR o, struct ccl_rpn_node *p)
256 bib1.proto = PROTO_Z3950;
257 bib1.oclass = CLASS_ATTSET;
258 bib1.value = VAL_BIB1;
260 zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
261 zq->attributeSetId = odr_oiddup (o, oid_ent_to_oid (&bib1, oid));
262 zq->RPNStructure = ccl_rpn_structure (o, p);
266 Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
268 if (p->kind != CCL_RPN_TERM)
270 return ccl_rpn_term (o, p);
273 static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
278 wrbuf_puts (w, "@and ");
281 wrbuf_puts(w, "@or ");
284 wrbuf_puts(w, "@not ");
287 wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
290 wrbuf_puts(w, "@ bad op (unknown) ");
292 ccl_pquery(w, p->u.p[0]);
293 ccl_pquery(w, p->u.p[1]);
296 void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
298 struct ccl_rpn_attr *att;
306 ccl_pquery_complex (w, p);
309 wrbuf_puts (w, "@set ");
310 wrbuf_puts (w, p->u.setname);
314 for (att = p->u.t.attr_list; att; att = att->next)
317 wrbuf_puts (w, "@attr ");
320 wrbuf_puts (w, att->set);
323 sprintf(tmpattr, "%d=%d ", att->type, att->value);
324 wrbuf_puts (w, tmpattr);
327 wrbuf_puts (w, p->u.t.term);
328 wrbuf_puts (w, "} ");