2 * Copyright (c) 1995-1997, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.13 1998-02-11 11:53:35 adam
8 * Changed code so that it compiles as C++.
10 * Revision 1.12 1997/11/24 11:33:56 adam
11 * Using function odr_nullval() instead of global ODR_NULLVAL when
14 * Revision 1.11 1997/11/18 09:51:09 adam
15 * Removed element num_children from data1_node. Minor changes in
18 * Revision 1.10 1997/09/17 12:10:36 adam
21 * Revision 1.9 1997/05/14 06:54:03 adam
24 * Revision 1.8 1996/12/05 13:17:49 quinn
25 * Fixed GRS-1 null-ref
27 * Revision 1.7 1996/10/11 11:57:23 quinn
30 * Revision 1.6 1996/07/06 19:58:34 quinn
31 * System headerfiles gathered in yconfig
33 * Revision 1.5 1996/06/03 09:46:42 quinn
34 * Added OID data type.
36 * Revision 1.4 1996/05/01 12:45:30 quinn
37 * Support use of local tag names in abs file.
39 * Revision 1.3 1995/11/13 09:27:35 quinn
40 * Fiddling with the variant stuff.
42 * Revision 1.2 1995/11/01 13:54:46 quinn
45 * Revision 1.1 1995/11/01 11:56:07 quinn
46 * Added Retrieval (data management) functions en masse.
59 #define D1_VARIANTARRAY 20 /* fixed max length on sup'd variant-list. Lazy me */
61 static Z_ElementMetaData *get_ElementMetaData(ODR o)
63 Z_ElementMetaData *r = (Z_ElementMetaData *)odr_malloc(o, sizeof(*r));
70 r->num_supportedVariants = 0;
71 r->supportedVariants = 0;
73 r->elementDescriptor = 0;
75 r->surrogateElement = 0;
82 * N should point to the *last* (leaf) triple in a sequence. Construct a variant
83 * from each of the triples beginning (ending) with 'n', up to the
84 * nearest parent tag. num should equal the number of triples in the
87 static Z_Variant *make_variant(data1_node *n, int num, ODR o)
89 Z_Variant *v = (Z_Variant *)odr_malloc(o, sizeof(*v));
92 v->globalVariantSetId = 0;
94 v->triples = (Z_Triple **)odr_malloc(o, sizeof(Z_Triple*) * num);
97 * cycle back up through the tree of variants
98 * (traversing exactly 'level' variants).
100 for (p = n, num--; p && num >= 0; p = p->parent, num--)
104 assert(p->which == DATA1N_variant);
105 t = v->triples[num] = (Z_Triple *)odr_malloc(o, sizeof(*t));
107 t->zclass = (int *)odr_malloc(o, sizeof(int));
108 *t->zclass = p->u.variant.type->zclass->zclass;
109 t->type = (int *)odr_malloc(o, sizeof(int));
110 *t->type = p->u.variant.type->type;
112 switch (p->u.variant.type->datatype)
115 t->which = Z_Triple_internationalString;
116 t->value.internationalString = (char *)odr_malloc(o,
117 strlen(p->u.variant.value)+1);
118 strcpy(t->value.internationalString, p->u.variant.value);
121 logf(LOG_WARN, "Unable to handle value for variant %s",
122 p->u.variant.type->name);
130 * Traverse the variant children of n, constructing a supportedVariant list.
132 static int traverse_triples(data1_node *n, int level, Z_ElementMetaData *m,
137 for (c = n->child; c; c = c->next)
138 if (c->which == DATA1N_data && level)
140 if (!m->supportedVariants)
141 m->supportedVariants = (Z_Variant **)odr_malloc(o, sizeof(Z_Variant*) *
143 else if (m->num_supportedVariants >= D1_VARIANTARRAY)
145 logf(LOG_WARN, "Too many variants (D1_VARIANTARRAY==%d)",
150 if (!(m->supportedVariants[m->num_supportedVariants++] =
151 make_variant(n, level, o)))
154 else if (c->which == DATA1N_variant)
155 if (traverse_triples(c, level+1, m, o) < 0)
160 static Z_ElementData *nodetoelementdata(data1_handle dh, data1_node *n,
161 int select, int leaf,
164 Z_ElementData *res = (Z_ElementData *)odr_malloc(o, sizeof(*res));
168 res->which = Z_ElementData_elementNotThere;
169 res->u.elementNotThere = odr_nullval();
171 else if (n->which == DATA1N_data && (leaf || n->next == NULL))
177 for (p = n->parent; p && p->which != DATA1N_tag; p = p->parent)
180 switch (n->u.data.what)
183 res->which = Z_ElementData_numeric;
184 res->u.numeric = (int *)odr_malloc(o, sizeof(int));
185 *res->u.numeric = atoi(n->u.data.data);
189 toget = n->u.data.len;
190 if (p->u.tag.get_bytes > 0 && p->u.tag.get_bytes < toget)
191 toget = p->u.tag.get_bytes;
192 res->which = Z_ElementData_string;
193 res->u.string = (char *)odr_malloc(o, toget+1);
194 memcpy(res->u.string, n->u.data.data, toget);
195 res->u.string[toget] = '\0';
199 res->which = Z_ElementData_oid;
200 strncpy(str, n->u.data.data, n->u.data.len);
201 str[n->u.data.len] = '\0';
202 res->u.oid = odr_getoidbystr(o, str);
203 *len += n->u.data.len;
206 logf(LOG_WARN, "Can't handle datatype.");
212 res->which = Z_ElementData_subtree;
213 if (!(res->u.subtree = data1_nodetogr (dh, n->parent, select, o, len)))
219 static Z_TaggedElement *nodetotaggedelement(data1_handle dh, data1_node *n,
223 Z_TaggedElement *res = (Z_TaggedElement *)odr_malloc(o, sizeof(*res));
228 if (n->which == DATA1N_tag)
230 if (n->u.tag.element)
231 tag = n->u.tag.element->tag;
236 * If we're a data element at this point, we need to insert a
237 * wellKnown tag to wrap us up.
239 else if (n->which == DATA1N_data || n->which == DATA1N_variant)
241 if (!(tag = data1_gettagbyname (dh, n->root->u.root.absyn->tagset,
244 logf(LOG_WARN, "Unable to locate tag for 'wellKnown'");
252 logf(LOG_WARN, "Bad data.");
256 res->tagType = (int *)odr_malloc(o, sizeof(int));
257 *res->tagType = (tag && tag->tagset) ? tag->tagset->type : 3;
258 res->tagValue = (Z_StringOrNumeric *)odr_malloc(o, sizeof(Z_StringOrNumeric));
259 if (tag && tag->which == DATA1T_numeric)
261 res->tagValue->which = Z_StringOrNumeric_numeric;
262 res->tagValue->u.numeric = (int *)odr_malloc(o, sizeof(int));
263 *res->tagValue->u.numeric = tag->value.numeric;
269 if (tag) /* well-known tag */
270 tagstr = tag->value.string;
271 else /* tag local to this file */
272 tagstr = n->u.tag.tag;
274 res->tagValue->which = Z_StringOrNumeric_string;
275 res->tagValue->u.string = (char *)odr_malloc(o, strlen(tagstr)+1);
276 strcpy(res->tagValue->u.string, tagstr);
278 res->tagOccurrence = 0;
279 res->appliedVariant = 0;
281 if (n->which == DATA1N_variant || (data && data->which ==
282 DATA1N_variant && data->next == NULL))
286 res->metaData = get_ElementMetaData(o);
287 if (n->which == DATA1N_tag && n->u.tag.make_variantlist)
288 if (traverse_triples(data, 0, res->metaData, o) < 0)
290 while (data && data->which == DATA1N_variant)
295 if (n->which != DATA1N_tag || !n->u.tag.no_data_requested)
296 res->appliedVariant = make_variant(data->parent, nvars-1, o);
298 if (n->which == DATA1N_tag && n->u.tag.no_data_requested)
300 res->content = (Z_ElementData *)odr_malloc(o, sizeof(*res->content));
301 res->content->which = Z_ElementData_noDataRequested;
302 res->content->u.noDataRequested = odr_nullval();
304 else if (!(res->content = nodetoelementdata (dh, data, select, leaf,
311 Z_GenericRecord *data1_nodetogr(data1_handle dh, data1_node *n,
312 int select, ODR o, int *len)
314 Z_GenericRecord *res = (Z_GenericRecord *)odr_malloc(o, sizeof(*res));
316 int num_children = 0;
318 for (c = n->child; c; c = c->next)
321 res->elements = (Z_TaggedElement **)odr_malloc(o, sizeof(Z_TaggedElement *) * num_children);
322 res->num_elements = 0;
323 for (c = n->child; c; c = c->next)
325 if (c->which == DATA1N_tag && select && !c->u.tag.node_selected)
327 if (!(res->elements[res->num_elements++] =
328 nodetotaggedelement (dh, c, select, o, len)))