2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.9 1997-05-14 06:54:03 adam
10 * Revision 1.8 1996/12/05 13:17:49 quinn
11 * Fixed GRS-1 null-ref
13 * Revision 1.7 1996/10/11 11:57:23 quinn
16 * Revision 1.6 1996/07/06 19:58:34 quinn
17 * System headerfiles gathered in yconfig
19 * Revision 1.5 1996/06/03 09:46:42 quinn
20 * Added OID data type.
22 * Revision 1.4 1996/05/01 12:45:30 quinn
23 * Support use of local tag names in abs file.
25 * Revision 1.3 1995/11/13 09:27:35 quinn
26 * Fiddling with the variant stuff.
28 * Revision 1.2 1995/11/01 13:54:46 quinn
31 * Revision 1.1 1995/11/01 11:56:07 quinn
32 * Added Retrieval (data management) functions en masse.
45 #define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
47 Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o, int *len);
49 static Z_ElementMetaData *get_ElementMetaData(ODR o)
51 Z_ElementMetaData *r = odr_malloc(o, sizeof(*r));
58 r->num_supportedVariants = 0;
59 r->supportedVariants = 0;
61 r->elementDescriptor = 0;
63 r->surrogateElement = 0;
70 * N should point to the *last* (leaf) triple in a sequence. Construct a variant
71 * from each of the triples beginning (ending) with 'n', up to the
72 * nearest parent tag. num should equal the number of triples in the
75 static Z_Variant *make_variant(data1_node *n, int num, ODR o)
77 Z_Variant *v = odr_malloc(o, sizeof(*v));
80 v->globalVariantSetId = 0;
82 v->triples = odr_malloc(o, sizeof(Z_Triple*) * num);
85 * cycle back up through the tree of variants
86 * (traversing exactly 'level' variants).
88 for (p = n, num--; p && num >= 0; p = p->parent, num--)
92 assert(p->which == DATA1N_variant);
93 t = v->triples[num] = odr_malloc(o, sizeof(*t));
95 t->zclass = odr_malloc(o, sizeof(int));
96 *t->zclass = p->u.variant.type->zclass->zclass;
97 t->type = odr_malloc(o, sizeof(int));
98 *t->type = p->u.variant.type->type;
100 switch (p->u.variant.type->datatype)
103 t->which = Z_Triple_internationalString;
104 t->value.internationalString = odr_malloc(o,
105 strlen(p->u.variant.value)+1);
106 strcpy(t->value.internationalString, p->u.variant.value);
109 logf(LOG_WARN, "Unable to handle value for variant %s",
110 p->u.variant.type->name);
118 * Traverse the variant children of n, constructing a supportedVariant list.
120 static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
125 for (c = n->child; c; c = c->next)
126 if (c->which == DATA1N_data && level)
128 if (!m->supportedVariants)
129 m->supportedVariants = odr_malloc(o, sizeof(Z_Variant*) *
131 else if (m->num_supportedVariants >= D1_VARIANTARRAY)
133 logf(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
138 if (!(m->supportedVariants[m->num_supportedVariants++] =
139 make_variant(n, level, o)))
142 else if (c->which == DATA1N_variant)
143 if (traverse_triples(c, level+1, m, o) < 0)
148 static Z_ElementData *nodetoelementdata(data1_node *n, int select, int leaf,
151 Z_ElementData *res = odr_malloc(o, sizeof(*res));
155 res->which = Z_ElementData_elementNotThere;
156 res->u.elementNotThere = ODR_NULLVAL;
158 else if (n->which == DATA1N_data && (leaf || n->parent->num_children == 1))
164 for (p = n->parent; p && p->which != DATA1N_tag; p = p->parent)
167 switch (n->u.data.what)
170 res->which = Z_ElementData_numeric;
171 res->u.numeric = odr_malloc(o, sizeof(int));
172 *res->u.numeric = atoi(n->u.data.data);
176 toget = n->u.data.len;
177 if (p->u.tag.get_bytes > 0 && p->u.tag.get_bytes < toget)
178 toget = p->u.tag.get_bytes;
179 res->which = Z_ElementData_string;
180 res->u.string = odr_malloc(o, toget+1);
181 memcpy(res->u.string, n->u.data.data, toget);
182 res->u.string[toget] = '\0';
186 res->which = Z_ElementData_oid;
187 strncpy(str, n->u.data.data, n->u.data.len);
188 str[n->u.data.len] = '\0';
189 res->u.oid = odr_getoidbystr(o, str);
190 *len += n->u.data.len;
193 logf(LOG_WARN, "Can't handle datatype.");
199 res->which = Z_ElementData_subtree;
200 if (!(res->u.subtree = data1_nodetogr(n->parent, select, o, len)))
206 static Z_TaggedElement *nodetotaggedelement(data1_node *n, int select, ODR o,
209 Z_TaggedElement *res = odr_malloc(o, sizeof(*res));
214 if (n->which == DATA1N_tag)
216 if (n->u.tag.element)
217 tag = n->u.tag.element->tag;
222 * If we're a data element at this point, we need to insert a
223 * wellKnown tag to wrap us up.
225 else if (n->which == DATA1N_data || n->which == DATA1N_variant)
227 if (!(tag = data1_gettagbyname(n->root->u.root.absyn->tagset,
230 logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
238 logf(LOG_WARN, "Bad data.");
242 res->tagType = odr_malloc(o, sizeof(int));
243 *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
244 res->tagValue = odr_malloc(o, sizeof(Z_StringOrNumeric));
245 if (tag && tag->which == DATA1T_numeric)
247 res->tagValue->which = Z_StringOrNumeric_numeric;
248 res->tagValue->u.numeric = odr_malloc(o, sizeof(int));
249 *res->tagValue->u.numeric = tag->value.numeric;
255 if (tag) /* well-known tag */
256 tagstr = tag->value.string;
257 else /* tag local to this file */
258 tagstr = n->u.tag.tag;
260 res->tagValue->which = Z_StringOrNumeric_string;
261 res->tagValue->u.string = odr_malloc(o, strlen(tagstr)+1);
262 strcpy(res->tagValue->u.string, tagstr);
264 res->tagOccurrence = 0;
265 res->appliedVariant = 0;
267 if (n->which == DATA1N_variant || (data && data->which ==
268 DATA1N_variant && data->parent->num_children == 1))
272 res->metaData = get_ElementMetaData(o);
273 if (n->which == DATA1N_tag && n->u.tag.make_variantlist)
274 if (traverse_triples(data, 0, res->metaData, o) < 0)
276 while (data && data->which == DATA1N_variant)
281 if (n->which != DATA1N_tag || !n->u.tag.no_data_requested)
282 res->appliedVariant = make_variant(data->parent, nvars-1, o);
284 if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
286 res->content = odr_malloc(o, sizeof(*res->content));
287 res->content->which = Z_ElementData_noDataRequested;
288 res->content->u.noDataRequested = ODR_NULLVAL;
290 else if (!(res->content = nodetoelementdata(data, select, leaf, o, len)))
296 Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o, int *len)
298 Z_GenericRecord *res = odr_malloc(o, sizeof(*res));
301 res->elements = odr_malloc(o, sizeof(Z_TaggedElement *) * n->num_children);
302 res->num_elements = 0;
303 for (c = n->child; c; c = c->next)
305 if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
307 if (!(res->elements[res->num_elements++] =
308 nodetotaggedelement(c, select, o, len)))