+data1_absyn *data1_get_absyn (data1_handle dh, const char *name)
+{
+ data1_absyn *absyn;
+
+ if (!(absyn = data1_absyn_search (dh, name)))
+ absyn = data1_absyn_add (dh, name);
+ return absyn;
+}
+
+data1_attset *data1_attset_search_name (data1_handle dh, const char *name)
+{
+ data1_attset_cache p = *data1_attset_cache_get (dh);
+
+ while (p)
+ {
+ if (!strcmp (name, p->name))
+ return p->attset;
+ p = p->next;
+ }
+ return NULL;
+}
+
+data1_attset *data1_attset_search_id (data1_handle dh, int id)
+{
+ data1_attset_cache p = *data1_attset_cache_get (dh);
+
+ while (p)
+ {
+ if (id == p->attset->reference)
+ return p->attset;
+ p = p->next;
+ }
+ return NULL;
+}
+
+data1_attset *data1_attset_add (data1_handle dh, const char *name)
+{
+ char fname[512], aname[512];
+ NMEM mem = data1_nmem_get (dh);
+ data1_attset *attset;
+
+ strcpy (aname, name);
+ sprintf(fname, "%s.att", name);
+ attset = data1_read_attset (dh, fname);
+ if (!attset)
+ {
+ char *cp;
+ attset = data1_read_attset (dh, name);
+ if (attset && (cp = strrchr (aname, '.')))
+ *cp = '\0';
+ }
+ if (!attset)
+ logf (LOG_WARN|LOG_ERRNO, "couldn't load attribute set %s", name);
+ else
+ {
+ data1_attset_cache p = (data1_attset_cache)
+ nmem_malloc (mem, sizeof(*p));
+ data1_attset_cache *pp = data1_attset_cache_get (dh);
+
+ attset->name = p->name = nmem_strdup (mem, aname);
+ p->attset = attset;
+ p->next = *pp;
+ *pp = p;
+ }
+ return attset;
+}
+
+data1_attset *data1_get_attset (data1_handle dh, const char *name)
+{
+ data1_attset *attset;
+
+ if (!(attset = data1_attset_search_name (dh, name)))
+ attset = data1_attset_add (dh, name);
+ return attset;
+}
+
+data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
+ const char *name)