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