* Sebastian Hammer, Adam Dickmeiss
*
* $Log: d1_doespec.c,v $
- * Revision 1.4 1996-06-07 11:04:32 quinn
+ * Revision 1.11 1997-11-06 11:36:44 adam
+ * Implemented variant match on simple elements -data1 tree and Espec-1.
+ *
+ * Revision 1.10 1997/10/02 12:10:24 quinn
+ * Attempt to fix bug in especs
+ *
+ * Revision 1.9 1997/09/17 12:10:35 adam
+ * YAZ version 1.4.
+ *
+ * Revision 1.8 1997/05/14 06:54:02 adam
+ * C++ support.
+ *
+ * Revision 1.7 1997/04/30 08:52:11 quinn
+ * Null
+ *
+ * Revision 1.6 1996/10/11 11:57:22 quinn
+ * Smallish
+ *
+ * Revision 1.5 1996/07/06 19:58:34 quinn
+ * System headerfiles gathered in yconfig
+ *
+ * Revision 1.4 1996/06/07 11:04:32 quinn
* Fixed tag->tagset dependency
*
* Revision 1.3 1995/11/13 09:27:33 quinn
#include <proto.h>
#include <data1.h>
-static int match_children(data1_node *n, Z_Espec1 *e, int i, Z_ETagUnit **t,
+static int match_children(data1_handle dh, data1_node *n,
+ Z_Espec1 *e, int i, Z_ETagUnit **t,
int num);
-static int match_children_wildpath(data1_node *n, Z_Espec1 *e, int i,
- Z_ETagUnit **t, int num)
-{return 0;}
+static int match_children_wildpath(data1_handle dh, data1_node *n,
+ Z_Espec1 *e, int i,
+ Z_ETagUnit **t, int num)
+{
+ return 0;
+}
/*
* Locate a specific triple within a variant.
* triple with an unknown set.
*/
static Z_Triple *find_triple(Z_Variant *var, oid_value universalset,
- oid_value set, int class, int type)
+ oid_value set, int zclass, int type)
{
int i;
oident *defaultsetent = oid_getentbyoid(var->globalVariantSetId);
oid_value curset = cursetent ? cursetent->value : defaultset;
if (set == curset &&
- *var->triples[i]->class == class &&
+ *var->triples[i]->zclass == zclass &&
*var->triples[i]->type == type)
return var->triples[i];
}
}
static void mark_subtree(data1_node *n, int make_variantlist, int no_data,
- Z_Variant *vreq)
+ int get_bytes, Z_Variant *vreq)
{
data1_node *c;
+#if 1
+ if (n->which == DATA1N_tag)
+#else
if (n->which == DATA1N_tag && (!n->child || n->child->which != DATA1N_tag))
+ /*
+ * This seems to cause multi-level elements to fall out when only a
+ * top-level elementRequest has been given... Problem is, I can't figure
+ * out what it was supposed to ACHIEVE.... delete when code has been
+ * verified.
+ */
+#endif
{
n->u.tag.node_selected = 1;
n->u.tag.make_variantlist = make_variantlist;
n->u.tag.no_data_requested = no_data;
+ n->u.tag.get_bytes = get_bytes;
}
for (c = n->child; c; c = c->next)
c->u.tag.node_selected = 1;
c->u.tag.make_variantlist = make_variantlist;
c->u.tag.no_data_requested = no_data;
+ c->u.tag.get_bytes = get_bytes;
}
- mark_subtree(c, make_variantlist, no_data, vreq);
+ mark_subtree(c, make_variantlist, no_data, get_bytes, vreq);
}
}
-static int match_children_here(data1_node *n, Z_Espec1 *e, int i,
- Z_ETagUnit **t, int num)
+
+static void match_triple (data1_handle dh, Z_Variant *vreq,
+ oid_value defsetval,
+ oid_value var1, data1_node *n)
+{
+ data1_node **c;
+
+ n = n->child;
+ if (n->which != DATA1N_variant)
+ return;
+ c = &n->child;
+ while (*c)
+ {
+ int remove_flag = 0;
+ Z_Triple *r;
+
+ assert ((*c)->which == DATA1N_variant);
+
+ if ((*c)->u.variant.type->zclass->zclass == 4 &&
+ (*c)->u.variant.type->type == 1)
+ {
+ if ((r = find_triple(vreq, defsetval, var1, 4, 1)) &&
+ (r->which == Z_Triple_internationalString))
+ {
+ const char *string_value =
+ r->value.internationalString;
+ if (strcmp ((*c)->u.variant.value, string_value))
+ remove_flag = 1;
+ }
+ }
+ if (remove_flag)
+ {
+ data1_free_tree (dh, *c);
+ *c = (*c)->next;
+ }
+ else
+ {
+ match_triple (dh, vreq, defsetval, var1, *c);
+ c = &(*c)->next;
+ }
+ }
+}
+
+static int match_children_here (data1_handle dh, data1_node *n,
+ Z_Espec1 *e, int i,
+ Z_ETagUnit **t, int num)
{
int counter = 0, hits = 0;
data1_node *c;
for (c = n->child; c ; c = c->next)
{
data1_tag *tag = 0;
-
if (c->which != DATA1N_tag)
return 0;
(occur->which == Z_Occurrences_values && counter >=
*occur->u.values->start))
{
- if (match_children(c, e, i, t + 1, num - 1))
+ if (match_children(dh, c, e, i, t + 1, num - 1))
{
c->u.tag.node_selected = 1;
/*
{
int show_variantlist = 0;
int no_data = 0;
+ int get_bytes = -1;
+
Z_Variant *vreq =
e->elements[i]->u.simpleElement->variantRequest;
oident *defset = oid_getentbyoid(e->defaultVariantSetId);
if (vreq)
{
+ Z_Triple *r;
+
/*
* 6,5: meta-data requested, variant list.
*/
*/
if (find_triple(vreq, defsetval, var1, 9, 1))
no_data = 1;
+
+ /* howmuch */
+ if ((r = find_triple(vreq, defsetval, var1, 5, 5)))
+ if (r->which == Z_Triple_integer)
+ get_bytes = *r->value.integer;
+
+ if (!show_variantlist)
+ match_triple (dh, vreq, defsetval, var1, c);
}
- mark_subtree(c, show_variantlist, no_data, vreq);
+ mark_subtree(c, show_variantlist, no_data, get_bytes, vreq);
}
hits++;
/*
* have we looked at enough children?
*/
if (!occur || (occur->which == Z_Occurrences_values &&
+ (!occur->u.values->howMany ||
counter - *occur->u.values->start >=
- *occur->u.values->howMany - 1))
+ *occur->u.values->howMany - 1)))
return hits;
}
}
return hits;
}
-static int match_children(data1_node *n, Z_Espec1 *e, int i, Z_ETagUnit **t,
- int num)
+static int match_children(data1_handle dh, data1_node *n, Z_Espec1 *e,
+ int i, Z_ETagUnit **t, int num)
{
int res;
switch (t[0]->which)
{
case Z_ETagUnit_wildThing:
- case Z_ETagUnit_specificTag: res = match_children_here(n, e, i,
- t, num); break;
- case Z_ETagUnit_wildPath: res = match_children_wildpath(n, e, i,
- t, num); break;
+ case Z_ETagUnit_specificTag:
+ res = match_children_here(dh, n, e, i, t, num); break;
+ case Z_ETagUnit_wildPath:
+ res = match_children_wildpath(dh, n, e, i, t, num); break;
default:
abort();
}
return res;
}
-int data1_doespec1(data1_node *n, Z_Espec1 *e)
+int data1_doespec1 (data1_handle dh, data1_node *n, Z_Espec1 *e)
{
int i;
{
if (e->elements[i]->which != Z_ERequest_simpleElement)
return 100;
- match_children(n, e, i, e->elements[i]->u.simpleElement->path->tags,
- e->elements[i]->u.simpleElement->path->num_tags);
+ match_children(dh, n, e, i,
+ e->elements[i]->u.simpleElement->path->tags,
+ e->elements[i]->u.simpleElement->path->num_tags);
}
return 0;
}