2 * Copyright (c) 1995-1997, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.12 1997-11-24 11:33:56 adam
8 * Using function odr_nullval() instead of global ODR_NULLVAL when
11 * Revision 1.11 1997/11/18 09:51:09 adam
12 * Removed element num_children from data1_node. Minor changes in
15 * Revision 1.10 1997/09/17 12:10:36 adam
18 * Revision 1.9 1997/05/14 06:54:03 adam
21 * Revision 1.8 1996/12/05 13:17:49 quinn
22 * Fixed GRS-1 null-ref
24 * Revision 1.7 1996/10/11 11:57:23 quinn
27 * Revision 1.6 1996/07/06 19:58:34 quinn
28 * System headerfiles gathered in yconfig
30 * Revision 1.5 1996/06/03 09:46:42 quinn
31 * Added OID data type.
33 * Revision 1.4 1996/05/01 12:45:30 quinn
34 * Support use of local tag names in abs file.
36 * Revision 1.3 1995/11/13 09:27:35 quinn
37 * Fiddling with the variant stuff.
39 * Revision 1.2 1995/11/01 13:54:46 quinn
42 * Revision 1.1 1995/11/01 11:56:07 quinn
43 * Added Retrieval (data management) functions en masse.
56 #define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
58 static Z_ElementMetaData *get_ElementMetaData(ODR o)
60 Z_ElementMetaData *r = odr_malloc(o, sizeof(*r));
67 r->num_supportedVariants = 0;
68 r->supportedVariants = 0;
70 r->elementDescriptor = 0;
72 r->surrogateElement = 0;
79 * N should point to the *last* (leaf) triple in a sequence. Construct a variant
80 * from each of the triples beginning (ending) with 'n', up to the
81 * nearest parent tag. num should equal the number of triples in the
84 static Z_Variant *make_variant(data1_node *n, int num, ODR o)
86 Z_Variant *v = odr_malloc(o, sizeof(*v));
89 v->globalVariantSetId = 0;
91 v->triples = odr_malloc(o, sizeof(Z_Triple*) * num);
94 * cycle back up through the tree of variants
95 * (traversing exactly 'level' variants).
97 for (p = n, num--; p && num >= 0; p = p->parent, num--)
101 assert(p->which == DATA1N_variant);
102 t = v->triples[num] = odr_malloc(o, sizeof(*t));
104 t->zclass = odr_malloc(o, sizeof(int));
105 *t->zclass = p->u.variant.type->zclass->zclass;
106 t->type = odr_malloc(o, sizeof(int));
107 *t->type = p->u.variant.type->type;
109 switch (p->u.variant.type->datatype)
112 t->which = Z_Triple_internationalString;
113 t->value.internationalString = odr_malloc(o,
114 strlen(p->u.variant.value)+1);
115 strcpy(t->value.internationalString, p->u.variant.value);
118 logf(LOG_WARN, "Unable to handle value for variant %s",
119 p->u.variant.type->name);
127 * Traverse the variant children of n, constructing a supportedVariant list.
129 static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
134 for (c = n->child; c; c = c->next)
135 if (c->which == DATA1N_data && level)
137 if (!m->supportedVariants)
138 m->supportedVariants = odr_malloc(o, sizeof(Z_Variant*) *
140 else if (m->num_supportedVariants >= D1_VARIANTARRAY)
142 logf(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
147 if (!(m->supportedVariants[m->num_supportedVariants++] =
148 make_variant(n, level, o)))
151 else if (c->which == DATA1N_variant)
152 if (traverse_triples(c, level+1, m, o) < 0)
157 static Z_ElementData *nodetoelementdata(data1_handle dh, data1_node *n,
158 int select, int leaf,
161 Z_ElementData *res = odr_malloc(o, sizeof(*res));
165 res->which = Z_ElementData_elementNotThere;
166 res->u.elementNotThere = odr_nullval();
168 else if (n->which == DATA1N_data && (leaf || n->next == NULL))
174 for (p = n->parent; p && p->which != DATA1N_tag; p = p->parent)
177 switch (n->u.data.what)
180 res->which = Z_ElementData_numeric;
181 res->u.numeric = odr_malloc(o, sizeof(int));
182 *res->u.numeric = atoi(n->u.data.data);
186 toget = n->u.data.len;
187 if (p->u.tag.get_bytes > 0 && p->u.tag.get_bytes < toget)
188 toget = p->u.tag.get_bytes;
189 res->which = Z_ElementData_string;
190 res->u.string = odr_malloc(o, toget+1);
191 memcpy(res->u.string, n->u.data.data, toget);
192 res->u.string[toget] = '\0';
196 res->which = Z_ElementData_oid;
197 strncpy(str, n->u.data.data, n->u.data.len);
198 str[n->u.data.len] = '\0';
199 res->u.oid = odr_getoidbystr(o, str);
200 *len += n->u.data.len;
203 logf(LOG_WARN, "Can't handle datatype.");
209 res->which = Z_ElementData_subtree;
210 if (!(res->u.subtree = data1_nodetogr (dh, n->parent, select, o, len)))
216 static Z_TaggedElement *nodetotaggedelement(data1_handle dh, data1_node *n,
220 Z_TaggedElement *res = odr_malloc(o, sizeof(*res));
225 if (n->which == DATA1N_tag)
227 if (n->u.tag.element)
228 tag = n->u.tag.element->tag;
233 * If we're a data element at this point, we need to insert a
234 * wellKnown tag to wrap us up.
236 else if (n->which == DATA1N_data || n->which == DATA1N_variant)
238 if (!(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
241 logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
249 logf(LOG_WARN, "Bad data.");
253 res->tagType = odr_malloc(o, sizeof(int));
254 *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
255 res->tagValue = odr_malloc(o, sizeof(Z_StringOrNumeric));
256 if (tag && tag->which == DATA1T_numeric)
258 res->tagValue->which = Z_StringOrNumeric_numeric;
259 res->tagValue->u.numeric = odr_malloc(o, sizeof(int));
260 *res->tagValue->u.numeric = tag->value.numeric;
266 if (tag) /* well-known tag */
267 tagstr = tag->value.string;
268 else /* tag local to this file */
269 tagstr = n->u.tag.tag;
271 res->tagValue->which = Z_StringOrNumeric_string;
272 res->tagValue->u.string = odr_malloc(o, strlen(tagstr)+1);
273 strcpy(res->tagValue->u.string, tagstr);
275 res->tagOccurrence = 0;
276 res->appliedVariant = 0;
278 if (n->which == DATA1N_variant || (data && data->which ==
279 DATA1N_variant && data->next == NULL))
283 res->metaData = get_ElementMetaData(o);
284 if (n->which == DATA1N_tag && n->u.tag.make_variantlist)
285 if (traverse_triples(data, 0, res->metaData, o) < 0)
287 while (data && data->which == DATA1N_variant)
292 if (n->which != DATA1N_tag || !n->u.tag.no_data_requested)
293 res->appliedVariant = make_variant(data->parent, nvars-1, o);
295 if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
297 res->content = odr_malloc(o, sizeof(*res->content));
298 res->content->which = Z_ElementData_noDataRequested;
299 res->content->u.noDataRequested = odr_nullval();
301 else if (!(res->content = nodetoelementdata (dh, data, select, leaf,
308 Z_GenericRecord *data1_nodetogr(data1_handle dh, data1_node *n,
309 int select, ODR o, int *len)
311 Z_GenericRecord *res = odr_malloc(o, sizeof(*res));
313 int num_children = 0;
315 for (c = n->child; c; c = c->next)
318 res->elements = odr_malloc(o, sizeof(Z_TaggedElement *) * num_children);
319 res->num_elements = 0;
320 for (c = n->child; c; c = c->next)
322 if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
324 if (!(res->elements[res->num_elements++] =
325 nodetotaggedelement (dh, c, select, o, len)))