2 * Copyright (c) 1996-2000, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.6 2000-02-02 15:13:23 adam
10 * Revision 1.5 2000/01/31 13:15:22 adam
11 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
12 * that some characters are not surrounded by spaces in resulting term.
15 * Revision 1.4 1999/12/20 15:20:13 adam
16 * Implemented ccl_pquery to convert from CCL tree to prefix query.
18 * Revision 1.3 1999/11/30 13:47:12 adam
19 * Improved installation. Moved header files to include/yaz.
21 * Revision 1.2 1999/06/16 12:00:08 adam
24 * Revision 1.1 1999/06/08 10:12:43 adam
25 * Moved file to be part of zutil (instead of util).
27 * Revision 1.13 1998/03/31 15:13:20 adam
28 * Development towards compiled ASN.1.
30 * Revision 1.12 1998/02/11 11:53:36 adam
31 * Changed code so that it compiles as C++.
33 * Revision 1.11 1997/11/24 11:33:57 adam
34 * Using function odr_nullval() instead of global ODR_NULLVAL when
37 * Revision 1.10 1997/09/29 08:58:25 adam
38 * Fixed conversion of trees so that true copy is made.
40 * Revision 1.9 1997/06/23 10:31:25 adam
41 * Added ODR argument to ccl_rpn_query and ccl_scan_query.
43 * Revision 1.8 1996/10/29 13:36:27 adam
52 #include <yaz/yaz-ccl.h>
54 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
56 static Z_AttributesPlusTerm *ccl_rpn_term (ODR o, struct ccl_rpn_node *p)
58 struct ccl_rpn_attr *attr;
60 Z_AttributesPlusTerm *zapt;
63 Z_AttributeElement **elements;
65 zapt = (Z_AttributesPlusTerm *)odr_malloc (o, sizeof(*zapt));
67 term_octet = (Odr_oct *)odr_malloc (o, sizeof(*term_octet));
69 term = (Z_Term *)odr_malloc (o, sizeof(*term));
71 for (attr = p->u.t.attr_list; attr; attr = attr->next)
74 elements = (Z_AttributeElement**)odr_nullval();
78 elements = (Z_AttributeElement **)
79 odr_malloc (o, num*sizeof(*elements));
80 for (attr = p->u.t.attr_list; attr; attr = attr->next, i++)
82 elements[i] = (Z_AttributeElement *)
83 odr_malloc (o, sizeof(**elements));
84 elements[i]->attributeType =
85 (int *)odr_malloc(o, sizeof(int));
86 *elements[i]->attributeType = attr->type;
87 elements[i]->attributeSet = 0;
88 elements[i]->which = Z_AttributeValue_numeric;
89 elements[i]->value.numeric =
90 (int *)odr_malloc (o, sizeof(int));
91 *elements[i]->value.numeric = attr->value;
95 zapt->attributes = (Z_AttributeList *)
96 odr_malloc (o, sizeof(*zapt->attributes));
97 zapt->attributes->num_attributes = num;
98 zapt->attributes->attributes = elements;
100 zapt->num_attributes = num;
101 zapt->attributeList = elements;
104 term->which = Z_Term_general;
105 term->u.general = term_octet;
106 term_octet->len = term_octet->size = strlen (p->u.t.term);
107 term_octet->buf = (unsigned char *)odr_malloc (o, term_octet->len+1);
108 strcpy ((char*) term_octet->buf, p->u.t.term);
112 static Z_Operand *ccl_rpn_simple (ODR o, struct ccl_rpn_node *p)
116 zo = (Z_Operand *)odr_malloc (o, sizeof(*zo));
121 zo->which = Z_Operand_APT;
122 zo->u.attributesPlusTerm = ccl_rpn_term (o, p);
125 zo->which = Z_Operand_resultSetId;
126 zo->u.resultSetId = p->u.setname;
134 static Z_Complex *ccl_rpn_complex (ODR o, struct ccl_rpn_node *p)
139 zc = (Z_Complex *)odr_malloc (o, sizeof(*zc));
140 zo = (Z_Operator *)odr_malloc (o, sizeof(*zo));
146 zo->which = Z_Operator_and;
147 zo->u.and = odr_nullval();
150 zo->which = Z_Operator_or;
151 zo->u.and = odr_nullval();
154 zo->which = Z_Operator_and_not;
155 zo->u.and = odr_nullval();
158 zo->which = Z_Operator_prox;
159 zo->u.prox = (Z_ProximityOperator *)
160 odr_malloc (o, sizeof(*zo->u.prox));
161 zo->u.prox->exclusion = 0;
163 zo->u.prox->distance = (int *)
164 odr_malloc (o, sizeof(*zo->u.prox->distance));
165 *zo->u.prox->distance = 2;
167 zo->u.prox->ordered = (bool_t *)
168 odr_malloc (o, sizeof(*zo->u.prox->ordered));
169 *zo->u.prox->ordered = 0;
171 zo->u.prox->relationType = (int *)
172 odr_malloc (o, sizeof(*zo->u.prox->relationType));
174 *zo->u.prox->relationType = Z_ProximityOperator_Prox_lessThan;
175 zo->u.prox->which = Z_ProximityOperator_known;
176 zo->u.prox->u.known =
177 odr_malloc (o, sizeof(*zo->u.prox->u.known));
178 *zo->u.prox->u.known = Z_ProxUnit_word;
180 *zo->u.prox->relationType = Z_Prox_lessThan;
181 zo->u.prox->which = Z_ProxCode_known;
182 zo->u.prox->proximityUnitCode = (int*)
183 odr_malloc (o, sizeof(*zo->u.prox->proximityUnitCode));
184 *zo->u.prox->proximityUnitCode = Z_ProxUnit_word;
190 zc->s1 = ccl_rpn_structure (o, p->u.p[0]);
191 zc->s2 = ccl_rpn_structure (o, p->u.p[1]);
195 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p)
199 zs = (Z_RPNStructure *)odr_malloc (o, sizeof(*zs));
206 zs->which = Z_RPNStructure_complex;
207 zs->u.complex = ccl_rpn_complex (o, p);
211 zs->which = Z_RPNStructure_simple;
212 zs->u.simple = ccl_rpn_simple (o, p);
220 Z_RPNQuery *ccl_rpn_query (ODR o, struct ccl_rpn_node *p)
224 zq = (Z_RPNQuery *)odr_malloc (o, sizeof(*zq));
225 zq->attributeSetId = NULL;
226 zq->RPNStructure = ccl_rpn_structure (o, p);
230 Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
232 if (p->kind != CCL_RPN_TERM)
234 return ccl_rpn_term (o, p);
237 static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
242 wrbuf_puts (w, "@and ");
245 wrbuf_puts(w, "@or ");
248 wrbuf_puts(w, "@not ");
251 wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
254 wrbuf_puts(w, "@ bad op (unknown) ");
256 ccl_pquery(w, p->u.p[0]);
257 ccl_pquery(w, p->u.p[1]);
260 void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
262 struct ccl_rpn_attr *att;
270 ccl_pquery_complex (w, p);
273 wrbuf_puts (w, "@set ");
274 wrbuf_puts (w, p->u.setname);
278 for (att = p->u.t.attr_list; att; att = att->next)
281 sprintf(tmpattr, "@attr %d=%d ", att->type, att->value);
282 wrbuf_puts (w, tmpattr);
285 wrbuf_puts (w, p->u.t.term);
286 wrbuf_puts (w, "} ");