/*
- * Copyright (c) 1995, Index Data.
+ * Copyright (c) 1995-1999, Index Data.
* See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: prt-ext.c,v $
- * Revision 1.3 1995-08-21 09:10:18 quinn
+ * Revision 1.21 1999-05-26 14:47:12 adam
+ * Implemented z_ext_record.
+ *
+ * Revision 1.20 1999/04/20 09:56:48 adam
+ * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
+ * Modified all encoders/decoders to reflect this change.
+ *
+ * Revision 1.19 1998/03/31 15:13:19 adam
+ * Development towards compiled ASN.1.
+ *
+ * Revision 1.18 1998/03/31 11:07:44 adam
+ * Furhter work on UNIverse resource report.
+ * Added Extended Services handling in frontend server.
+ *
+ * Revision 1.17 1998/03/20 14:46:06 adam
+ * Added UNIverse Resource Reports.
+ *
+ * Revision 1.16 1998/02/11 11:53:32 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.15 1998/02/10 15:31:46 adam
+ * Implemented date and time structure. Changed the Update Extended
+ * Service.
+ *
+ * Revision 1.14 1998/01/05 09:04:57 adam
+ * Fixed bugs in encoders/decoders - Not operator (!) missing.
+ *
+ * Revision 1.13 1997/05/14 06:53:22 adam
+ * C++ support.
+ *
+ * Revision 1.12 1997/04/30 08:52:02 quinn
+ * Null
+ *
+ * Revision 1.11 1996/10/10 12:35:13 quinn
+ * Added Update extended service.
+ *
+ * Revision 1.10 1996/10/09 15:54:55 quinn
+ * Added SearchInfoReport
+ *
+ * Revision 1.9 1996/06/10 08:53:36 quinn
+ * Added Summary,OPAC,ResourceReport
+ *
+ * Revision 1.8 1996/02/20 12:51:44 quinn
+ * Completed SCAN. Fixed problems with EXTERNAL.
+ *
+ * Revision 1.7 1995/10/12 10:34:38 quinn
+ * Added Espec-1.
+ *
+ * Revision 1.6 1995/09/29 17:11:55 quinn
+ * Smallish
+ *
+ * Revision 1.5 1995/09/27 15:02:42 quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.4 1995/08/29 11:17:16 quinn
+ * *** empty log message ***
+ *
+ * Revision 1.3 1995/08/21 09:10:18 quinn
* Smallish fixes to suppport new formats.
*
* Revision 1.2 1995/08/17 12:45:00 quinn
#include <proto.h>
-int z_External(ODR o, Z_External **p, int opt)
+/*
+ * The table below should be moved to the ODR structure itself and
+ * be an image of the association context: To help
+ * map indirect references when they show up.
+ */
+static Z_ext_typeent type_table[] =
+{
+ {VAL_SUTRS, Z_External_sutrs, (Odr_fun) z_SUTRS},
+ {VAL_EXPLAIN, Z_External_explainRecord, (Odr_fun)z_ExplainRecord},
+ {VAL_RESOURCE1, Z_External_resourceReport1, (Odr_fun)z_ResourceReport1},
+ {VAL_RESOURCE2, Z_External_resourceReport2, (Odr_fun)z_ResourceReport2},
+ {VAL_PROMPT1, Z_External_promptObject1, (Odr_fun)z_PromptObject1 },
+ {VAL_GRS1, Z_External_grs1, (Odr_fun)z_GenericRecord},
+ {VAL_EXTENDED, Z_External_extendedService, (Odr_fun)z_TaskPackage},
+#ifdef ASN_COMPILED
+ {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_IOItemOrder},
+#else
+ {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_ItemOrder},
+#endif
+ {VAL_DIAG1, Z_External_diag1, (Odr_fun)z_DiagnosticFormat},
+ {VAL_ESPEC1, Z_External_espec1, (Odr_fun)z_Espec1},
+ {VAL_SUMMARY, Z_External_summary, (Odr_fun)z_BriefBib},
+ {VAL_OPAC, Z_External_OPAC, (Odr_fun)z_OPACRecord},
+ {VAL_SEARCHRES1, Z_External_searchResult1, (Odr_fun)z_SearchInfoReport},
+ {VAL_DBUPDATE, Z_External_update, (Odr_fun)z_IUUpdate},
+ {VAL_DATETIME, Z_External_dateTime, (Odr_fun)z_DateTime},
+ {VAL_UNIVERSE_REPORT, Z_External_universeReport, (Odr_fun)z_UniverseReport},
+ {VAL_NONE, 0, 0}
+};
+
+Z_ext_typeent *z_ext_getentbyref(oid_value val)
+{
+ Z_ext_typeent *i;
+
+ for (i = type_table; i->dref != VAL_NONE; i++)
+ if (i->dref == val)
+ return i;
+ return 0;
+}
+
+int z_External(ODR o, Z_External **p, int opt, const char *name)
{
oident *oid;
+ Z_ext_typeent *type;
static Odr_arm arm[] =
{
- {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_single, odr_any},
- {ODR_IMPLICIT, ODR_CONTEXT, 1, Z_External_octet, odr_octetstring},
- {ODR_IMPLICIT, ODR_CONTEXT, 2, Z_External_arbitrary, odr_bitstring},
-
- {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_sutrs, z_SUTRS},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_single,
+ (Odr_fun)odr_any, 0},
+ {ODR_IMPLICIT, ODR_CONTEXT, 1, Z_External_octet,
+ (Odr_fun)odr_octetstring, 0},
+ {ODR_IMPLICIT, ODR_CONTEXT, 2, Z_External_arbitrary,
+ (Odr_fun)odr_bitstring, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_sutrs,
+ (Odr_fun)z_SUTRS, 0},
{ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_explainRecord,
- z_ExplainRecord},
+ (Odr_fun)z_ExplainRecord, 0},
{ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport1,
- z_ResourceReport1},
+ (Odr_fun)z_ResourceReport1, 0},
{ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport2,
- z_ResourceReport2},
+ (Odr_fun)z_ResourceReport2, 0},
{ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_promptObject1,
- z_PromptObject1},
- {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_grs1, z_GenericRecord},
+ (Odr_fun)z_PromptObject1, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_grs1,
+ (Odr_fun)z_GenericRecord, 0},
{ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_extendedService,
- z_TaskPackage},
- {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder, z_ItemOrder},
- {-1, -1, -1, -1, 0}
- };
- /*
- * The table below should be moved to the ODR structure itself and
- * be an image of the association context: To help
- * map indirect references when they show up.
- */
- static struct
- {
- oid_value dref;
- int what; /* discriminator value for the external CHOICE */
- } tab[] =
- {
- {VAL_SUTRS, Z_External_sutrs},
- {VAL_EXPLAIN, Z_External_explainRecord},
- {VAL_RESOURCE1, Z_External_resourceReport1},
- {VAL_RESOURCE2, Z_External_resourceReport2},
- {VAL_PROMPT1, Z_External_promptObject1},
- {VAL_GRS1, Z_External_grs1},
- {VAL_NONE, 0}
+ (Odr_fun)z_TaskPackage, 0},
+#ifdef ASN_COMPILED
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
+ (Odr_fun)z_IOItemOrder, 0},
+#else
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
+ (Odr_fun)z_ItemOrder, 0},
+#endif
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_diag1,
+ (Odr_fun)z_DiagnosticFormat, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_espec1,
+ (Odr_fun)z_Espec1, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_summary,
+ (Odr_fun)z_BriefBib, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_OPAC,
+ (Odr_fun)z_OPACRecord, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_searchResult1,
+ (Odr_fun)z_SearchInfoReport, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_update,
+ (Odr_fun)z_IUUpdate, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_dateTime,
+ (Odr_fun)z_DateTime, 0},
+ {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_universeReport,
+ (Odr_fun)z_UniverseReport, 0},
+ {-1, -1, -1, -1, 0, 0}
};
-
+
odr_implicit_settag(o, ODR_UNIVERSAL, ODR_EXTERNAL);
- if (!odr_sequence_begin(o, p, sizeof(**p)))
+ if (!odr_sequence_begin(o, p, sizeof(**p), name))
return opt && odr_ok(o);
- if (!(odr_oid(o, &(*p)->direct_reference, 1) &&
- odr_integer(o, &(*p)->indirect_reference, 1) &&
- odr_graphicstring(o, &(*p)->descriptor, 1)))
+ if (!(odr_oid(o, &(*p)->direct_reference, 1, 0) &&
+ odr_integer(o, &(*p)->indirect_reference, 1, 0) &&
+ odr_graphicstring(o, &(*p)->descriptor, 1, 0)))
return 0;
/*
* Do we know this beast?
*/
if (o->direction == ODR_DECODE && (*p)->direct_reference &&
- (oid = oid_getentbyoid((*p)->direct_reference)))
+ (oid = oid_getentbyoid((*p)->direct_reference)) &&
+ (type = z_ext_getentbyref(oid->value)))
{
- int i;
-
- for (i = 0; tab[i].dref != VAL_NONE; i++)
- if (oid->value == tab[i].dref)
- {
- odr_choice_bias(o, tab[i].what);
- break;
- }
+ int zclass, tag, cons;
+
+ /*
+ * We know it. If it's represented as an ASN.1 type, bias the CHOICE.
+ */
+ if (!odr_peektag(o, &zclass, &tag, &cons))
+ return opt && odr_ok(o);
+ if (zclass == ODR_CONTEXT && tag == 0 && cons == 1)
+ odr_choice_bias(o, type->what);
}
return
- odr_choice(o, arm, &(*p)->u, &(*p)->which) &&
+ odr_choice(o, arm, &(*p)->u, &(*p)->which, name) &&
odr_sequence_end(o);
}
+
+Z_External *z_ext_record(ODR o, int format, const char *buf, int len)
+{
+ Z_External *thisext;
+ oident recform;
+ int oid[OID_SIZE];
+
+ thisext = (Z_External *) odr_malloc(o, sizeof(*thisext));
+ thisext->descriptor = 0;
+ thisext->indirect_reference = 0;
+
+ recform.proto = PROTO_Z3950;
+ recform.oclass = CLASS_RECSYN;
+ recform.value = (enum oid_value) format;
+ if (!oid_ent_to_oid(&recform, oid))
+ return 0;
+ thisext->direct_reference = odr_oiddup(o, oid);
+ thisext->indirect_reference = 0;
+ thisext->descriptor = 0;
+
+ if (len < 0) /* Structured data */
+ {
+ switch (format)
+ {
+ case VAL_SUTRS:
+ thisext->which = Z_External_sutrs;
+ break;
+ case VAL_GRS1:
+ thisext->which = Z_External_grs1;
+ break;
+ case VAL_EXPLAIN:
+ thisext->which = Z_External_explainRecord;
+ break;
+ case VAL_SUMMARY:
+ thisext->which = Z_External_summary;
+ break;
+ case VAL_OPAC:
+ thisext->which = Z_External_OPAC;
+ break;
+ default:
+ return 0;
+ }
+
+ /*
+ * We cheat on the pointers here. Obviously, the record field
+ * of the backend-fetch structure should have been a union for
+ * correctness, but we're stuck with this for backwards
+ * compatibility.
+ */
+ thisext->u.grs1 = (Z_GenericRecord*) buf;
+ }
+ else if (format == VAL_SUTRS) /* SUTRS is a single-ASN.1-type */
+ {
+ Odr_oct *sutrs = (Odr_oct *)odr_malloc(o, sizeof(*sutrs));
+
+ thisext->which = Z_External_sutrs;
+ thisext->u.sutrs = sutrs;
+ sutrs->buf = (unsigned char *)odr_malloc(o, len);
+ sutrs->len = sutrs->size = len;
+ memcpy(sutrs->buf, buf, len);
+ }
+ else
+ {
+ thisext->which = Z_External_octet;
+ if (!(thisext->u.octet_aligned = (Odr_oct *)
+ odr_malloc(o, sizeof(Odr_oct))))
+ return 0;
+ if (!(thisext->u.octet_aligned->buf = (unsigned char *)
+ odr_malloc(o, len)))
+ return 0;
+ memcpy(thisext->u.octet_aligned->buf, buf, len);
+ thisext->u.octet_aligned->len = thisext->u.octet_aligned->size = len;
+ }
+ return thisext;
+}
+
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