* Sebastian Hammer, Adam Dickmeiss
*
* $Log: d1_espec.c,v $
- * Revision 1.2 1995-11-01 16:34:56 quinn
+ * Revision 1.3 1995-11-13 09:27:34 quinn
+ * Fiddling with the variant stuff.
+ *
+ * Revision 1.2 1995/11/01 16:34:56 quinn
* Making data1 look for tables in data1_tabpath
*
* Revision 1.1 1995/11/01 11:56:07 quinn
#include <tpath.h>
#include <data1.h>
+static Z_Variant *read_variant(int argc, char **argv, ODR o)
+{
+ Z_Variant *r = odr_malloc(o, sizeof(*r));
+ oident var1;
+ int i;
+
+ var1.proto = PROTO_Z3950;
+ var1.class = CLASS_VARSET;
+ var1.value = VAL_VAR1;
+ r->globalVariantSetId = odr_oiddup(o, oid_getoidbyent(&var1));
+
+ r->triples = odr_malloc(o, sizeof(Z_Triple*) * argc);
+ r->num_triples = argc;
+ for (i = 0; i < argc; i++)
+ {
+ int class, type;
+ char value[512];
+ Z_Triple *t;
+
+ if (sscanf(argv[i], "(%d,%d,%[^)])", &class, &type, value) < 3)
+ {
+ logf(LOG_WARN, "Syntax error in variant component '%s'",
+ argv[i]);
+ return 0;
+ }
+ t = r->triples[i] = odr_malloc(o, sizeof(Z_Triple));
+ t->variantSetId = 0;
+ t->class = odr_malloc(o, sizeof(int));
+ *t->class = class;
+ t->type = odr_malloc(o, sizeof(int));
+ *t->type = type;
+ /*
+ * This is wrong.. we gotta look up the correct type for the
+ * variant, I guess... damn this stuff.
+ */
+ if (*value == '@')
+ {
+ t->which = Z_Triple_null;
+ t->value.null = ODR_NULLVAL;
+ }
+ else
+ {
+ t->which = Z_Triple_internationalString;
+ t->value.internationalString = odr_malloc(o, strlen(value)+1);
+ strcpy(t->value.internationalString, value);
+ }
+ }
+ return r;
+}
+
+static Z_Occurrences *read_occurrences(char *occ, ODR o)
+{
+ Z_Occurrences *op = odr_malloc(o, sizeof(*op));
+ char *p;
+
+ if (!occ)
+ {
+ op->which = Z_Occurrences_values;
+ op->u.values = odr_malloc(o, sizeof(Z_OccurValues));
+ op->u.values->start = odr_malloc(o, sizeof(int));
+ *op->u.values->start = 1;
+ op->u.values->howMany = 0;
+ }
+ else if (!strcmp(occ, "all"))
+ {
+ op->which = Z_Occurrences_all;
+ op->u.all = ODR_NULLVAL;
+ }
+ else if (!strcmp(occ, "last"))
+ {
+ op->which = Z_Occurrences_last;
+ op->u.all = ODR_NULLVAL;
+ }
+ else
+ {
+ Z_OccurValues *ov = odr_malloc(o, sizeof(*ov));
+
+ if (!isdigit(*occ))
+ {
+ logf(LOG_WARN, "Bad occurrences-spec in %s", occ);
+ return 0;
+ }
+ op->which = Z_Occurrences_values;
+ op->u.values = ov;
+ ov->start = odr_malloc(o, sizeof(*ov->start));
+ *ov->start = atoi(occ);
+ if ((p = strchr(occ, '+')))
+ {
+ ov->howMany = odr_malloc(o, sizeof(*ov->howMany));
+ *ov->howMany = atoi(p + 1);
+ }
+ else
+ ov->howMany = 0;
+ }
+ return op;
+}
+
+
+static Z_ETagUnit *read_tagunit(char *buf, ODR o)
+{
+ Z_ETagUnit *u = odr_malloc(o, sizeof(*u));
+ int terms;
+ int type;
+ char value[512], occ[512];
+
+ if (*buf == '*')
+ {
+ u->which = Z_ETagUnit_wildPath;
+ u->u.wildPath = ODR_NULLVAL;
+ }
+ else if (*buf == '?')
+ {
+ u->which = Z_ETagUnit_wildThing;
+ if (buf[1] == ':')
+ u->u.wildThing = read_occurrences(buf+2, o);
+ else
+ u->u.wildThing = read_occurrences(0, o);
+ }
+ else if ((terms = sscanf(buf, "(%d,%[^)]):%[a-z0-9+]", &type, value,
+ occ)) >= 2)
+ {
+ int numval;
+ Z_SpecificTag *t;
+ char *valp = value;
+ int force_string = 0;
+
+ if (*valp == '\'')
+ {
+ valp++;
+ force_string = 1;
+ }
+ u->which = Z_ETagUnit_specificTag;
+ u->u.specificTag = t = odr_malloc(o, sizeof(*t));
+ t->tagType = odr_malloc(o, sizeof(*t->tagType));
+ *t->tagType = type;
+ t->tagValue = odr_malloc(o, sizeof(*t->tagValue));
+ if (!force_string && (numval = atoi(valp)))
+ {
+ t->tagValue->which = Z_StringOrNumeric_numeric;
+ t->tagValue->u.numeric = odr_malloc(o, sizeof(int));
+ *t->tagValue->u.numeric = numval;
+ }
+ else
+ {
+ t->tagValue->which = Z_StringOrNumeric_string;
+ t->tagValue->u.string = odr_malloc(o, strlen(valp)+1);
+ strcpy(t->tagValue->u.string, valp);
+ }
+ if (terms > 2) /* an occurrences-spec exists */
+ t->occurrences = read_occurrences(occ, o);
+ else
+ t->occurrences = 0;
+ }
+ return u;
+}
+
/*
- * Read an element-set specification from a file. If !o, use xmalloc for
- * memory allocation.
+ * Read an element-set specification from a file.
+ * NOTE: If !o, memory is allocated directly from the heap by odr_malloc().
*/
Z_Espec1 *data1_read_espec1(char *file, ODR o)
{
}
else if (!strcmp(argv[0], "defaultvariantrequest"))
{
- abort();
+ if (!(res->defaultVariantRequest = read_variant(argc-1, argv+1, o)))
+ {
+ logf(LOG_WARN, "%s: Bad defaultvariantrequest", file);
+ continue;
+ }
}
else if (!strcmp(argv[0], "simpleelement"))
{
logf(LOG_WARN, "%s: Empty simpleelement directive", file);
continue;
}
+
res->elements[res->num_elements++] = er =
odr_malloc(o, sizeof(*er));
er->which = Z_ERequest_simpleElement;
se->variantRequest = 0;
se->path = tp = odr_malloc(o, sizeof(*tp));
tp->num_tags = 0;
+ /*
+ * Parse the element selector.
+ */
for (num = 1, ep = path; (ep = strchr(ep, '/')); num++, ep++);
tp->tags = odr_malloc(o, sizeof(Z_ETagUnit*)*num);
for ((ep = strchr(path, '/')) ; path ; (void)((path = ep) &&
(ep = strchr(path, '/'))))
{
- int type;
- char value[512];
- Z_ETagUnit *u;
-
if (ep)
ep++;
assert(i<num);
- tp->tags[tp->num_tags++] = u = odr_malloc(o, sizeof(*u));
- if (sscanf(path, "(%d,%[^)])", &type, value) == 2)
- {
- int numval;
- Z_SpecificTag *t;
- char *valp = value;
- int force_string = 0;
-
- if (*valp == '\'')
- {
- valp++;
- force_string = 1;
- }
- u->which = Z_ETagUnit_specificTag;
- u->u.specificTag = t = odr_malloc(o, sizeof(*t));
- t->tagType = odr_malloc(o, sizeof(*t->tagType));
- *t->tagType = type;
- t->tagValue = odr_malloc(o, sizeof(*t->tagValue));
- if (!force_string && (numval = atoi(valp)))
- {
- t->tagValue->which = Z_StringOrNumeric_numeric;
- t->tagValue->u.numeric = odr_malloc(o, sizeof(int));
- *t->tagValue->u.numeric = numval;
- }
- else
- {
- t->tagValue->which = Z_StringOrNumeric_string;
- t->tagValue->u.string = odr_malloc(o, strlen(valp)+1);
- strcpy(t->tagValue->u.string, valp);
- }
- t->occurrences = 0; /* for later */
- }
+ tp->tags[tp->num_tags++] = read_tagunit(path, o);
}
+
+ if (argc > 2 && !strcmp(argv[2], "variant"))
+ se->variantRequest= read_variant(argc-3, argv+3, o);
}
else
{
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