2 * Copyright (c) 1995-1999, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 2000-03-14 15:22:04 ian
8 * Added Admin external to choice table.
10 * Revision 1.3 2000/03/14 13:52:32 ian
11 * Added Admin Extended Service to External Choice
13 * Revision 1.2 1999/11/30 13:47:12 adam
14 * Improved installation. Moved header files to include/yaz.
16 * Revision 1.1 1999/06/08 10:10:16 adam
17 * New sub directory zutil. Moved YAZ Compiler to be part of YAZ tree.
19 * Revision 1.22 1999/05/26 15:24:26 adam
20 * Fixed minor bugs regarding DB Update (introduced by previous commit).
22 * Revision 1.21 1999/05/26 14:47:12 adam
23 * Implemented z_ext_record.
25 * Revision 1.20 1999/04/20 09:56:48 adam
26 * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
27 * Modified all encoders/decoders to reflect this change.
29 * Revision 1.19 1998/03/31 15:13:19 adam
30 * Development towards compiled ASN.1.
32 * Revision 1.18 1998/03/31 11:07:44 adam
33 * Furhter work on UNIverse resource report.
34 * Added Extended Services handling in frontend server.
36 * Revision 1.17 1998/03/20 14:46:06 adam
37 * Added UNIverse Resource Reports.
39 * Revision 1.16 1998/02/11 11:53:32 adam
40 * Changed code so that it compiles as C++.
42 * Revision 1.15 1998/02/10 15:31:46 adam
43 * Implemented date and time structure. Changed the Update Extended
46 * Revision 1.14 1998/01/05 09:04:57 adam
47 * Fixed bugs in encoders/decoders - Not operator (!) missing.
49 * Revision 1.13 1997/05/14 06:53:22 adam
52 * Revision 1.12 1997/04/30 08:52:02 quinn
55 * Revision 1.11 1996/10/10 12:35:13 quinn
56 * Added Update extended service.
58 * Revision 1.10 1996/10/09 15:54:55 quinn
59 * Added SearchInfoReport
61 * Revision 1.9 1996/06/10 08:53:36 quinn
62 * Added Summary,OPAC,ResourceReport
64 * Revision 1.8 1996/02/20 12:51:44 quinn
65 * Completed SCAN. Fixed problems with EXTERNAL.
67 * Revision 1.7 1995/10/12 10:34:38 quinn
70 * Revision 1.6 1995/09/29 17:11:55 quinn
73 * Revision 1.5 1995/09/27 15:02:42 quinn
74 * Modified function heads & prototypes.
76 * Revision 1.4 1995/08/29 11:17:16 quinn
77 * *** empty log message ***
79 * Revision 1.3 1995/08/21 09:10:18 quinn
80 * Smallish fixes to suppport new formats.
82 * Revision 1.2 1995/08/17 12:45:00 quinn
83 * Fixed minor problems with GRS-1. Added support in c&s.
85 * Revision 1.1 1995/08/15 13:37:41 quinn
91 #include <yaz/proto.h>
94 * The table below should be moved to the ODR structure itself and
95 * be an image of the association context: To help
96 * map indirect references when they show up.
98 static Z_ext_typeent type_table[] =
100 {VAL_SUTRS, Z_External_sutrs, (Odr_fun) z_SUTRS},
101 {VAL_EXPLAIN, Z_External_explainRecord, (Odr_fun)z_ExplainRecord},
102 {VAL_RESOURCE1, Z_External_resourceReport1, (Odr_fun)z_ResourceReport1},
103 {VAL_RESOURCE2, Z_External_resourceReport2, (Odr_fun)z_ResourceReport2},
104 {VAL_PROMPT1, Z_External_promptObject1, (Odr_fun)z_PromptObject1 },
105 {VAL_GRS1, Z_External_grs1, (Odr_fun)z_GenericRecord},
106 {VAL_EXTENDED, Z_External_extendedService, (Odr_fun)z_TaskPackage},
108 {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_IOItemOrder},
110 {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_ItemOrder},
112 {VAL_DIAG1, Z_External_diag1, (Odr_fun)z_DiagnosticFormat},
113 {VAL_ESPEC1, Z_External_espec1, (Odr_fun)z_Espec1},
114 {VAL_SUMMARY, Z_External_summary, (Odr_fun)z_BriefBib},
115 {VAL_OPAC, Z_External_OPAC, (Odr_fun)z_OPACRecord},
116 {VAL_SEARCHRES1, Z_External_searchResult1, (Odr_fun)z_SearchInfoReport},
117 {VAL_DBUPDATE, Z_External_update, (Odr_fun)z_IUUpdate},
118 {VAL_DATETIME, Z_External_dateTime, (Odr_fun)z_DateTime},
119 {VAL_UNIVERSE_REPORT, Z_External_universeReport, (Odr_fun)z_UniverseReport},
121 {VAL_ADMINSERVICE, Z_External_ESAdmin, (Odr_fun)z_Admin},
126 Z_ext_typeent *z_ext_getentbyref(oid_value val)
130 for (i = type_table; i->dref != VAL_NONE; i++)
136 int z_External(ODR o, Z_External **p, int opt, const char *name)
141 static Odr_arm arm[] =
143 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_single,
144 (Odr_fun)odr_any, 0},
145 {ODR_IMPLICIT, ODR_CONTEXT, 1, Z_External_octet,
146 (Odr_fun)odr_octetstring, 0},
147 {ODR_IMPLICIT, ODR_CONTEXT, 2, Z_External_arbitrary,
148 (Odr_fun)odr_bitstring, 0},
149 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_sutrs,
150 (Odr_fun)z_SUTRS, 0},
151 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_explainRecord,
152 (Odr_fun)z_ExplainRecord, 0},
153 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport1,
154 (Odr_fun)z_ResourceReport1, 0},
155 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport2,
156 (Odr_fun)z_ResourceReport2, 0},
157 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_promptObject1,
158 (Odr_fun)z_PromptObject1, 0},
159 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_grs1,
160 (Odr_fun)z_GenericRecord, 0},
161 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_extendedService,
162 (Odr_fun)z_TaskPackage, 0},
164 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
165 (Odr_fun)z_IOItemOrder, 0},
167 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
168 (Odr_fun)z_ItemOrder, 0},
170 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_diag1,
171 (Odr_fun)z_DiagnosticFormat, 0},
172 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_espec1,
173 (Odr_fun)z_Espec1, 0},
174 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_summary,
175 (Odr_fun)z_BriefBib, 0},
176 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_OPAC,
177 (Odr_fun)z_OPACRecord, 0},
178 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_searchResult1,
179 (Odr_fun)z_SearchInfoReport, 0},
180 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_update,
181 (Odr_fun)z_IUUpdate, 0},
182 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_dateTime,
183 (Odr_fun)z_DateTime, 0},
184 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_universeReport,
185 (Odr_fun)z_UniverseReport, 0},
187 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_ESAdmin,
188 (Odr_fun)z_Admin, 0},
190 {-1, -1, -1, -1, 0, 0}
193 odr_implicit_settag(o, ODR_UNIVERSAL, ODR_EXTERNAL);
194 if (!odr_sequence_begin(o, p, sizeof(**p), name))
195 return opt && odr_ok(o);
196 if (!(odr_oid(o, &(*p)->direct_reference, 1, 0) &&
197 odr_integer(o, &(*p)->indirect_reference, 1, 0) &&
198 odr_graphicstring(o, &(*p)->descriptor, 1, 0)))
201 * Do we know this beast?
203 if (o->direction == ODR_DECODE && (*p)->direct_reference &&
204 (oid = oid_getentbyoid((*p)->direct_reference)) &&
205 (type = z_ext_getentbyref(oid->value)))
207 int zclass, tag, cons;
210 * We know it. If it's represented as an ASN.1 type, bias the CHOICE.
212 if (!odr_peektag(o, &zclass, &tag, &cons))
213 return opt && odr_ok(o);
214 if (zclass == ODR_CONTEXT && tag == 0 && cons == 1)
215 odr_choice_bias(o, type->what);
218 odr_choice(o, arm, &(*p)->u, &(*p)->which, name) &&
222 Z_External *z_ext_record(ODR o, int format, const char *buf, int len)
228 thisext = (Z_External *) odr_malloc(o, sizeof(*thisext));
229 thisext->descriptor = 0;
230 thisext->indirect_reference = 0;
232 recform.proto = PROTO_Z3950;
233 recform.oclass = CLASS_RECSYN;
234 recform.value = (enum oid_value) format;
235 if (!oid_ent_to_oid(&recform, oid))
237 thisext->direct_reference = odr_oiddup(o, oid);
239 if (len < 0) /* Structured data */
244 thisext->which = Z_External_sutrs;
247 thisext->which = Z_External_grs1;
250 thisext->which = Z_External_explainRecord;
253 thisext->which = Z_External_summary;
256 thisext->which = Z_External_OPAC;
263 * We cheat on the pointers here. Obviously, the record field
264 * of the backend-fetch structure should have been a union for
265 * correctness, but we're stuck with this for backwards
268 thisext->u.grs1 = (Z_GenericRecord*) buf;
270 else if (format == VAL_SUTRS) /* SUTRS is a single-ASN.1-type */
272 Odr_oct *sutrs = (Odr_oct *)odr_malloc(o, sizeof(*sutrs));
274 thisext->which = Z_External_sutrs;
275 thisext->u.sutrs = sutrs;
276 sutrs->buf = (unsigned char *)odr_malloc(o, len);
277 sutrs->len = sutrs->size = len;
278 memcpy(sutrs->buf, buf, len);
282 thisext->which = Z_External_octet;
283 if (!(thisext->u.octet_aligned = (Odr_oct *)
284 odr_malloc(o, sizeof(Odr_oct))))
286 if (!(thisext->u.octet_aligned->buf = (unsigned char *)
289 memcpy(thisext->u.octet_aligned->buf, buf, len);
290 thisext->u.octet_aligned->len = thisext->u.octet_aligned->size = len;