2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1996-05-01 12:45:30 quinn
8 * Support use of local tag names in abs file.
10 * Revision 1.3 1995/11/13 09:27:35 quinn
11 * Fiddling with the variant stuff.
13 * Revision 1.2 1995/11/01 13:54:46 quinn
16 * Revision 1.1 1995/11/01 11:56:07 quinn
17 * Added Retrieval (data management) functions en masse.
30 #define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
32 Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o);
34 static Z_ElementMetaData *get_ElementMetaData(ODR o)
36 Z_ElementMetaData *r = odr_malloc(o, sizeof(*r));
43 r->num_supportedVariants = 0;
44 r->supportedVariants = 0;
46 r->elementDescriptor = 0;
48 r->surrogateElement = 0;
55 * N should point to the *last* (leaf) triple in a sequence. Construct a variant
56 * from each of the triples beginning (ending) with 'n', up to the
57 * nearest parent tag. num should equal the number of triples in the
60 static Z_Variant *make_variant(data1_node *n, int num, ODR o)
62 Z_Variant *v = odr_malloc(o, sizeof(*v));
65 v->globalVariantSetId = 0;
67 v->triples = odr_malloc(o, sizeof(Z_Triple*) * num);
70 * cycle back up through the tree of variants
71 * (traversing exactly 'level' variants).
73 for (p = n, num--; p && num >= 0; p = p->parent, num--)
77 assert(p->which == DATA1N_variant);
78 t = v->triples[num] = odr_malloc(o, sizeof(*t));
80 t->class = odr_malloc(o, sizeof(int));
81 *t->class = p->u.variant.type->class->class;
82 t->type = odr_malloc(o, sizeof(int));
83 *t->type = p->u.variant.type->type;
85 switch (p->u.variant.type->datatype)
88 t->which = Z_Triple_internationalString;
89 t->value.internationalString = odr_malloc(o,
90 strlen(p->u.variant.value)+1);
91 strcpy(t->value.internationalString, p->u.variant.value);
94 logf(LOG_WARN, "Unable to handle value for variant %s",
95 p->u.variant.type->name);
103 * Traverse the variant children of n, constructing a supportedVariant list.
105 static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
110 for (c = n->child; c; c = c->next)
111 if (c->which == DATA1N_data && level)
113 if (!m->supportedVariants)
114 m->supportedVariants = odr_malloc(o, sizeof(Z_Variant*) *
116 else if (m->num_supportedVariants >= D1_VARIANTARRAY)
118 logf(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
123 if (!(m->supportedVariants[m->num_supportedVariants++] =
124 make_variant(n, level, o)))
127 else if (c->which == DATA1N_variant)
128 if (traverse_triples(c, level+1, m, o) < 0)
133 static Z_ElementData *nodetoelementdata(data1_node *n, int select, int leaf,
136 Z_ElementData *res = odr_malloc(o, sizeof(*res));
140 res->which = Z_ElementData_elementNotThere;
141 res->u.elementNotThere = ODR_NULLVAL;
143 else if (n->which == DATA1N_data && (leaf || n->parent->num_children == 1))
145 switch (n->u.data.what)
148 res->which = Z_ElementData_numeric;
149 res->u.numeric = odr_malloc(o, sizeof(int));
150 *res->u.numeric = atoi(n->u.data.data);
153 res->which = Z_ElementData_string;
154 res->u.string = odr_malloc(o, n->u.data.len+1);
155 memcpy(res->u.string, n->u.data.data, n->u.data.len);
156 res->u.string[n->u.data.len] = '\0';
159 logf(LOG_WARN, "Can't handle datatype.");
165 res->which = Z_ElementData_subtree;
166 if (!(res->u.subtree = data1_nodetogr(n->parent, select, o)))
172 static Z_TaggedElement *nodetotaggedelement(data1_node *n, int select, ODR o)
174 Z_TaggedElement *res = odr_malloc(o, sizeof(*res));
179 if (n->which == DATA1N_tag)
181 if (n->u.tag.element)
182 tag = n->u.tag.element->tag;
187 * If we're a data element at this point, we need to insert a
188 * wellKnown tag to wrap us up.
190 else if (n->which == DATA1N_data || n->which == DATA1N_variant)
192 if (!(tag = data1_gettagbyname(n->root->u.root.absyn->tagset,
195 logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
203 logf(LOG_WARN, "Bad data.");
207 res->tagType = odr_malloc(o, sizeof(int));
208 *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
209 res->tagValue = odr_malloc(o, sizeof(Z_StringOrNumeric));
210 if (tag && tag->which == DATA1T_numeric)
212 res->tagValue->which = Z_StringOrNumeric_numeric;
213 res->tagValue->u.numeric = odr_malloc(o, sizeof(int));
214 *res->tagValue->u.numeric = tag->value.numeric;
220 if (tag) /* well-known tag */
221 tagstr = tag->value.string;
222 else /* tag local to this file */
223 tagstr = n->u.tag.tag;
225 res->tagValue->which = Z_StringOrNumeric_string;
226 res->tagValue->u.string = odr_malloc(o, strlen(tagstr)+1);
227 strcpy(res->tagValue->u.string, tagstr);
229 res->tagOccurrence = 0;
230 res->appliedVariant = 0;
232 if (n->which == DATA1N_variant || (data && data->which ==
233 DATA1N_variant && data->parent->num_children == 1))
237 res->metaData = get_ElementMetaData(o);
238 if (n->which == DATA1N_tag && n->u.tag.make_variantlist)
239 if (traverse_triples(data, 0, res->metaData, o) < 0)
241 while (data && data->which == DATA1N_variant)
246 if (n->which != DATA1N_tag || !n->u.tag.no_data_requested)
247 res->appliedVariant = make_variant(data->parent, nvars-1, o);
249 if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
251 res->content = odr_malloc(o, sizeof(*res->content));
252 res->content->which = Z_ElementData_noDataRequested;
253 res->content->u.noDataRequested = ODR_NULLVAL;
255 else if (!(res->content = nodetoelementdata(data, select, leaf, o)))
260 Z_GenericRecord *data1_nodetogr(data1_node *n, int select, ODR o)
262 Z_GenericRecord *res = odr_malloc(o, sizeof(*res));
265 res->elements = odr_malloc(o, sizeof(Z_TaggedElement *) * n->num_children);
266 res->num_elements = 0;
267 for (c = n->child; c; c = c->next)
269 if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
271 if (!(res->elements[res->num_elements++] =
272 nodetotaggedelement(c, select, o)))