2 * Copyright (c) 1995-1997, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.11 1997-11-18 09:51:09 adam
8 * Removed element num_children from data1_node. Minor changes in
11 * Revision 1.10 1997/09/17 12:10:36 adam
14 * Revision 1.9 1997/05/14 06:54:03 adam
17 * Revision 1.8 1996/12/05 13:17:49 quinn
18 * Fixed GRS-1 null-ref
20 * Revision 1.7 1996/10/11 11:57:23 quinn
23 * Revision 1.6 1996/07/06 19:58:34 quinn
24 * System headerfiles gathered in yconfig
26 * Revision 1.5 1996/06/03 09:46:42 quinn
27 * Added OID data type.
29 * Revision 1.4 1996/05/01 12:45:30 quinn
30 * Support use of local tag names in abs file.
32 * Revision 1.3 1995/11/13 09:27:35 quinn
33 * Fiddling with the variant stuff.
35 * Revision 1.2 1995/11/01 13:54:46 quinn
38 * Revision 1.1 1995/11/01 11:56:07 quinn
39 * Added Retrieval (data management) functions en masse.
52 #define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
54 static Z_ElementMetaData *get_ElementMetaData(ODR o)
56 Z_ElementMetaData *r = odr_malloc(o, sizeof(*r));
63 r->num_supportedVariants = 0;
64 r->supportedVariants = 0;
66 r->elementDescriptor = 0;
68 r->surrogateElement = 0;
75 * N should point to the *last* (leaf) triple in a sequence. Construct a variant
76 * from each of the triples beginning (ending) with 'n', up to the
77 * nearest parent tag. num should equal the number of triples in the
80 static Z_Variant *make_variant(data1_node *n, int num, ODR o)
82 Z_Variant *v = odr_malloc(o, sizeof(*v));
85 v->globalVariantSetId = 0;
87 v->triples = odr_malloc(o, sizeof(Z_Triple*) * num);
90 * cycle back up through the tree of variants
91 * (traversing exactly 'level' variants).
93 for (p = n, num--; p && num >= 0; p = p->parent, num--)
97 assert(p->which == DATA1N_variant);
98 t = v->triples[num] = odr_malloc(o, sizeof(*t));
100 t->zclass = odr_malloc(o, sizeof(int));
101 *t->zclass = p->u.variant.type->zclass->zclass;
102 t->type = odr_malloc(o, sizeof(int));
103 *t->type = p->u.variant.type->type;
105 switch (p->u.variant.type->datatype)
108 t->which = Z_Triple_internationalString;
109 t->value.internationalString = odr_malloc(o,
110 strlen(p->u.variant.value)+1);
111 strcpy(t->value.internationalString, p->u.variant.value);
114 logf(LOG_WARN, "Unable to handle value for variant %s",
115 p->u.variant.type->name);
123 * Traverse the variant children of n, constructing a supportedVariant list.
125 static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
130 for (c = n->child; c; c = c->next)
131 if (c->which == DATA1N_data && level)
133 if (!m->supportedVariants)
134 m->supportedVariants = odr_malloc(o, sizeof(Z_Variant*) *
136 else if (m->num_supportedVariants >= D1_VARIANTARRAY)
138 logf(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
143 if (!(m->supportedVariants[m->num_supportedVariants++] =
144 make_variant(n, level, o)))
147 else if (c->which == DATA1N_variant)
148 if (traverse_triples(c, level+1, m, o) < 0)
153 static Z_ElementData *nodetoelementdata(data1_handle dh, data1_node *n,
154 int select, int leaf,
157 Z_ElementData *res = odr_malloc(o, sizeof(*res));
161 res->which = Z_ElementData_elementNotThere;
162 res->u.elementNotThere = ODR_NULLVAL;
164 else if (n->which == DATA1N_data && (leaf || n->next == NULL))
170 for (p = n->parent; p && p->which != DATA1N_tag; p = p->parent)
173 switch (n->u.data.what)
176 res->which = Z_ElementData_numeric;
177 res->u.numeric = odr_malloc(o, sizeof(int));
178 *res->u.numeric = atoi(n->u.data.data);
182 toget = n->u.data.len;
183 if (p->u.tag.get_bytes > 0 && p->u.tag.get_bytes < toget)
184 toget = p->u.tag.get_bytes;
185 res->which = Z_ElementData_string;
186 res->u.string = odr_malloc(o, toget+1);
187 memcpy(res->u.string, n->u.data.data, toget);
188 res->u.string[toget] = '\0';
192 res->which = Z_ElementData_oid;
193 strncpy(str, n->u.data.data, n->u.data.len);
194 str[n->u.data.len] = '\0';
195 res->u.oid = odr_getoidbystr(o, str);
196 *len += n->u.data.len;
199 logf(LOG_WARN, "Can't handle datatype.");
205 res->which = Z_ElementData_subtree;
206 if (!(res->u.subtree = data1_nodetogr (dh, n->parent, select, o, len)))
212 static Z_TaggedElement *nodetotaggedelement(data1_handle dh, data1_node *n,
216 Z_TaggedElement *res = odr_malloc(o, sizeof(*res));
221 if (n->which == DATA1N_tag)
223 if (n->u.tag.element)
224 tag = n->u.tag.element->tag;
229 * If we're a data element at this point, we need to insert a
230 * wellKnown tag to wrap us up.
232 else if (n->which == DATA1N_data || n->which == DATA1N_variant)
234 if (!(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
237 logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
245 logf(LOG_WARN, "Bad data.");
249 res->tagType = odr_malloc(o, sizeof(int));
250 *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
251 res->tagValue = odr_malloc(o, sizeof(Z_StringOrNumeric));
252 if (tag && tag->which == DATA1T_numeric)
254 res->tagValue->which = Z_StringOrNumeric_numeric;
255 res->tagValue->u.numeric = odr_malloc(o, sizeof(int));
256 *res->tagValue->u.numeric = tag->value.numeric;
262 if (tag) /* well-known tag */
263 tagstr = tag->value.string;
264 else /* tag local to this file */
265 tagstr = n->u.tag.tag;
267 res->tagValue->which = Z_StringOrNumeric_string;
268 res->tagValue->u.string = odr_malloc(o, strlen(tagstr)+1);
269 strcpy(res->tagValue->u.string, tagstr);
271 res->tagOccurrence = 0;
272 res->appliedVariant = 0;
274 if (n->which == DATA1N_variant || (data && data->which ==
275 DATA1N_variant && data->next == NULL))
279 res->metaData = get_ElementMetaData(o);
280 if (n->which == DATA1N_tag && n->u.tag.make_variantlist)
281 if (traverse_triples(data, 0, res->metaData, o) < 0)
283 while (data && data->which == DATA1N_variant)
288 if (n->which != DATA1N_tag || !n->u.tag.no_data_requested)
289 res->appliedVariant = make_variant(data->parent, nvars-1, o);
291 if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
293 res->content = odr_malloc(o, sizeof(*res->content));
294 res->content->which = Z_ElementData_noDataRequested;
295 res->content->u.noDataRequested = ODR_NULLVAL;
297 else if (!(res->content = nodetoelementdata (dh, data, select, leaf,
304 Z_GenericRecord *data1_nodetogr(data1_handle dh, data1_node *n,
305 int select, ODR o, int *len)
307 Z_GenericRecord *res = odr_malloc(o, sizeof(*res));
309 int num_children = 0;
311 for (c = n->child; c; c = c->next)
314 res->elements = odr_malloc(o, sizeof(Z_TaggedElement *) * num_children);
315 res->num_elements = 0;
316 for (c = n->child; c; c = c->next)
318 if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
320 if (!(res->elements[res->num_elements++] =
321 nodetotaggedelement (dh, c, select, o, len)))