2 * Copyright (c) 1995-2001, Index Data.
3 * See the file LICENSE for details.
6 * Revision 1.1 2001-10-23 21:00:20 adam
7 * Old Z39.50 codecs gone. Added ZOOM. WRBUF MARC display util.
9 * Revision 1.7 2001/09/24 21:51:56 adam
10 * New Z39.50 OID utilities: yaz_oidval_to_z3950oid, yaz_str_to_z3950oid
11 * and yaz_z3950oid_to_str.
13 * Revision 1.6 2001/05/17 14:16:15 adam
14 * Added EXTERNAL handling for item update0 (1.0).
16 * Revision 1.5 2001/03/25 21:55:13 adam
17 * Added odr_intdup. Ztest server returns TaskPackage for ItemUpdate.
19 * Revision 1.4 2000/03/14 15:22:04 ian
20 * Added Admin external to choice table.
22 * Revision 1.3 2000/03/14 13:52:32 ian
23 * Added Admin Extended Service to External Choice
25 * Revision 1.2 1999/11/30 13:47:12 adam
26 * Improved installation. Moved header files to include/yaz.
28 * Revision 1.1 1999/06/08 10:10:16 adam
29 * New sub directory zutil. Moved YAZ Compiler to be part of YAZ tree.
31 * Revision 1.22 1999/05/26 15:24:26 adam
32 * Fixed minor bugs regarding DB Update (introduced by previous commit).
34 * Revision 1.21 1999/05/26 14:47:12 adam
35 * Implemented z_ext_record.
37 * Revision 1.20 1999/04/20 09:56:48 adam
38 * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
39 * Modified all encoders/decoders to reflect this change.
41 * Revision 1.19 1998/03/31 15:13:19 adam
42 * Development towards compiled ASN.1.
44 * Revision 1.18 1998/03/31 11:07:44 adam
45 * Furhter work on UNIverse resource report.
46 * Added Extended Services handling in frontend server.
48 * Revision 1.17 1998/03/20 14:46:06 adam
49 * Added UNIverse Resource Reports.
51 * Revision 1.16 1998/02/11 11:53:32 adam
52 * Changed code so that it compiles as C++.
54 * Revision 1.15 1998/02/10 15:31:46 adam
55 * Implemented date and time structure. Changed the Update Extended
58 * Revision 1.14 1998/01/05 09:04:57 adam
59 * Fixed bugs in encoders/decoders - Not operator (!) missing.
61 * Revision 1.13 1997/05/14 06:53:22 adam
64 * Revision 1.12 1997/04/30 08:52:02 quinn
67 * Revision 1.11 1996/10/10 12:35:13 quinn
68 * Added Update extended service.
70 * Revision 1.10 1996/10/09 15:54:55 quinn
71 * Added SearchInfoReport
73 * Revision 1.9 1996/06/10 08:53:36 quinn
74 * Added Summary,OPAC,ResourceReport
76 * Revision 1.8 1996/02/20 12:51:44 quinn
77 * Completed SCAN. Fixed problems with EXTERNAL.
79 * Revision 1.7 1995/10/12 10:34:38 quinn
82 * Revision 1.6 1995/09/29 17:11:55 quinn
85 * Revision 1.5 1995/09/27 15:02:42 quinn
86 * Modified function heads & prototypes.
88 * Revision 1.4 1995/08/29 11:17:16 quinn
89 * *** empty log message ***
91 * Revision 1.3 1995/08/21 09:10:18 quinn
92 * Smallish fixes to suppport new formats.
94 * Revision 1.2 1995/08/17 12:45:00 quinn
95 * Fixed minor problems with GRS-1. Added support in c&s.
97 * Revision 1.1 1995/08/15 13:37:41 quinn
103 #include <yaz/proto.h>
106 * The table below should be moved to the ODR structure itself and
107 * be an image of the association context: To help
108 * map indirect references when they show up.
110 static Z_ext_typeent type_table[] =
112 {VAL_SUTRS, Z_External_sutrs, (Odr_fun) z_SUTRS},
113 {VAL_EXPLAIN, Z_External_explainRecord, (Odr_fun)z_ExplainRecord},
114 {VAL_RESOURCE1, Z_External_resourceReport1, (Odr_fun)z_ResourceReport1},
115 {VAL_RESOURCE2, Z_External_resourceReport2, (Odr_fun)z_ResourceReport2},
116 {VAL_PROMPT1, Z_External_promptObject1, (Odr_fun)z_PromptObject1 },
117 {VAL_GRS1, Z_External_grs1, (Odr_fun)z_GenericRecord},
118 {VAL_EXTENDED, Z_External_extendedService, (Odr_fun)z_TaskPackage},
120 {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_IOItemOrder},
122 {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_ItemOrder},
124 {VAL_DIAG1, Z_External_diag1, (Odr_fun)z_DiagnosticFormat},
125 {VAL_ESPEC1, Z_External_espec1, (Odr_fun)z_Espec1},
126 {VAL_SUMMARY, Z_External_summary, (Odr_fun)z_BriefBib},
127 {VAL_OPAC, Z_External_OPAC, (Odr_fun)z_OPACRecord},
128 {VAL_SEARCHRES1, Z_External_searchResult1, (Odr_fun)z_SearchInfoReport},
129 {VAL_DBUPDATE, Z_External_update, (Odr_fun)z_IUUpdate},
130 {VAL_DATETIME, Z_External_dateTime, (Odr_fun)z_DateTime},
131 {VAL_UNIVERSE_REPORT, Z_External_universeReport, (Odr_fun)z_UniverseReport},
133 {VAL_ADMINSERVICE, Z_External_ESAdmin, (Odr_fun)z_Admin},
138 Z_ext_typeent *z_ext_getentbyref(oid_value val)
142 for (i = type_table; i->dref != VAL_NONE; i++)
148 int z_External(ODR o, Z_External **p, int opt, const char *name)
153 static Odr_arm arm[] =
155 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_single,
156 (Odr_fun)odr_any, 0},
157 {ODR_IMPLICIT, ODR_CONTEXT, 1, Z_External_octet,
158 (Odr_fun)odr_octetstring, 0},
159 {ODR_IMPLICIT, ODR_CONTEXT, 2, Z_External_arbitrary,
160 (Odr_fun)odr_bitstring, 0},
161 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_sutrs,
162 (Odr_fun)z_SUTRS, 0},
163 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_explainRecord,
164 (Odr_fun)z_ExplainRecord, 0},
165 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport1,
166 (Odr_fun)z_ResourceReport1, 0},
167 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport2,
168 (Odr_fun)z_ResourceReport2, 0},
169 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_promptObject1,
170 (Odr_fun)z_PromptObject1, 0},
171 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_grs1,
172 (Odr_fun)z_GenericRecord, 0},
173 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_extendedService,
174 (Odr_fun)z_TaskPackage, 0},
176 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
177 (Odr_fun)z_IOItemOrder, 0},
179 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
180 (Odr_fun)z_ItemOrder, 0},
182 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_diag1,
183 (Odr_fun)z_DiagnosticFormat, 0},
184 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_espec1,
185 (Odr_fun)z_Espec1, 0},
186 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_summary,
187 (Odr_fun)z_BriefBib, 0},
188 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_OPAC,
189 (Odr_fun)z_OPACRecord, 0},
190 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_searchResult1,
191 (Odr_fun)z_SearchInfoReport, 0},
192 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_update,
193 (Odr_fun)z_IUUpdate, 0},
194 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_dateTime,
195 (Odr_fun)z_DateTime, 0},
196 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_universeReport,
197 (Odr_fun)z_UniverseReport, 0},
199 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_ESAdmin,
200 (Odr_fun)z_Admin, 0},
201 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_update0,
202 (Odr_fun)z_IU0Update, 0},
203 #endif {-1, -1, -1, -1, 0, 0}
206 odr_implicit_settag(o, ODR_UNIVERSAL, ODR_EXTERNAL);
207 if (!odr_sequence_begin(o, p, sizeof(**p), name))
208 return opt && odr_ok(o);
209 if (!(odr_oid(o, &(*p)->direct_reference, 1, 0) &&
210 odr_integer(o, &(*p)->indirect_reference, 1, 0) &&
211 odr_graphicstring(o, &(*p)->descriptor, 1, 0)))
214 * Do we know this beast?
216 if (o->direction == ODR_DECODE && (*p)->direct_reference &&
217 (oid = oid_getentbyoid((*p)->direct_reference)) &&
218 (type = z_ext_getentbyref(oid->value)))
220 int zclass, tag, cons;
223 * We know it. If it's represented as an ASN.1 type, bias the CHOICE.
225 if (!odr_peektag(o, &zclass, &tag, &cons))
226 return opt && odr_ok(o);
227 if (zclass == ODR_CONTEXT && tag == 0 && cons == 1)
228 odr_choice_bias(o, type->what);
231 odr_choice(o, arm, &(*p)->u, &(*p)->which, name) &&
235 Z_External *z_ext_record(ODR o, int format, const char *buf, int len)
239 thisext = (Z_External *) odr_malloc(o, sizeof(*thisext));
240 thisext->descriptor = 0;
241 thisext->indirect_reference = 0;
243 thisext->direct_reference =
244 yaz_oidval_to_z3950oid (o, CLASS_RECSYN, format);
245 if (!thisext->direct_reference)
248 if (len < 0) /* Structured data */
253 thisext->which = Z_External_sutrs;
256 thisext->which = Z_External_grs1;
259 thisext->which = Z_External_explainRecord;
262 thisext->which = Z_External_summary;
265 thisext->which = Z_External_OPAC;
268 thisext->which = Z_External_extendedService;
275 * We cheat on the pointers here. Obviously, the record field
276 * of the backend-fetch structure should have been a union for
277 * correctness, but we're stuck with this for backwards
280 thisext->u.grs1 = (Z_GenericRecord*) buf;
282 else if (format == VAL_SUTRS) /* SUTRS is a single-ASN.1-type */
284 Odr_oct *sutrs = (Odr_oct *)odr_malloc(o, sizeof(*sutrs));
286 thisext->which = Z_External_sutrs;
287 thisext->u.sutrs = sutrs;
288 sutrs->buf = (unsigned char *)odr_malloc(o, len);
289 sutrs->len = sutrs->size = len;
290 memcpy(sutrs->buf, buf, len);
294 thisext->which = Z_External_octet;
295 if (!(thisext->u.octet_aligned = (Odr_oct *)
296 odr_malloc(o, sizeof(Odr_oct))))
298 if (!(thisext->u.octet_aligned->buf = (unsigned char *)
301 memcpy(thisext->u.octet_aligned->buf, buf, len);
302 thisext->u.octet_aligned->len = thisext->u.octet_aligned->size = len;