2 * Copyright (c) 1995-1999, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.1 1999-06-08 10:10:16 adam
8 * New sub directory zutil. Moved YAZ Compiler to be part of YAZ tree.
10 * Revision 1.22 1999/05/26 15:24:26 adam
11 * Fixed minor bugs regarding DB Update (introduced by previous commit).
13 * Revision 1.21 1999/05/26 14:47:12 adam
14 * Implemented z_ext_record.
16 * Revision 1.20 1999/04/20 09:56:48 adam
17 * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
18 * Modified all encoders/decoders to reflect this change.
20 * Revision 1.19 1998/03/31 15:13:19 adam
21 * Development towards compiled ASN.1.
23 * Revision 1.18 1998/03/31 11:07:44 adam
24 * Furhter work on UNIverse resource report.
25 * Added Extended Services handling in frontend server.
27 * Revision 1.17 1998/03/20 14:46:06 adam
28 * Added UNIverse Resource Reports.
30 * Revision 1.16 1998/02/11 11:53:32 adam
31 * Changed code so that it compiles as C++.
33 * Revision 1.15 1998/02/10 15:31:46 adam
34 * Implemented date and time structure. Changed the Update Extended
37 * Revision 1.14 1998/01/05 09:04:57 adam
38 * Fixed bugs in encoders/decoders - Not operator (!) missing.
40 * Revision 1.13 1997/05/14 06:53:22 adam
43 * Revision 1.12 1997/04/30 08:52:02 quinn
46 * Revision 1.11 1996/10/10 12:35:13 quinn
47 * Added Update extended service.
49 * Revision 1.10 1996/10/09 15:54:55 quinn
50 * Added SearchInfoReport
52 * Revision 1.9 1996/06/10 08:53:36 quinn
53 * Added Summary,OPAC,ResourceReport
55 * Revision 1.8 1996/02/20 12:51:44 quinn
56 * Completed SCAN. Fixed problems with EXTERNAL.
58 * Revision 1.7 1995/10/12 10:34:38 quinn
61 * Revision 1.6 1995/09/29 17:11:55 quinn
64 * Revision 1.5 1995/09/27 15:02:42 quinn
65 * Modified function heads & prototypes.
67 * Revision 1.4 1995/08/29 11:17:16 quinn
68 * *** empty log message ***
70 * Revision 1.3 1995/08/21 09:10:18 quinn
71 * Smallish fixes to suppport new formats.
73 * Revision 1.2 1995/08/17 12:45:00 quinn
74 * Fixed minor problems with GRS-1. Added support in c&s.
76 * Revision 1.1 1995/08/15 13:37:41 quinn
85 * The table below should be moved to the ODR structure itself and
86 * be an image of the association context: To help
87 * map indirect references when they show up.
89 static Z_ext_typeent type_table[] =
91 {VAL_SUTRS, Z_External_sutrs, (Odr_fun) z_SUTRS},
92 {VAL_EXPLAIN, Z_External_explainRecord, (Odr_fun)z_ExplainRecord},
93 {VAL_RESOURCE1, Z_External_resourceReport1, (Odr_fun)z_ResourceReport1},
94 {VAL_RESOURCE2, Z_External_resourceReport2, (Odr_fun)z_ResourceReport2},
95 {VAL_PROMPT1, Z_External_promptObject1, (Odr_fun)z_PromptObject1 },
96 {VAL_GRS1, Z_External_grs1, (Odr_fun)z_GenericRecord},
97 {VAL_EXTENDED, Z_External_extendedService, (Odr_fun)z_TaskPackage},
99 {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_IOItemOrder},
101 {VAL_ITEMORDER, Z_External_itemOrder, (Odr_fun)z_ItemOrder},
103 {VAL_DIAG1, Z_External_diag1, (Odr_fun)z_DiagnosticFormat},
104 {VAL_ESPEC1, Z_External_espec1, (Odr_fun)z_Espec1},
105 {VAL_SUMMARY, Z_External_summary, (Odr_fun)z_BriefBib},
106 {VAL_OPAC, Z_External_OPAC, (Odr_fun)z_OPACRecord},
107 {VAL_SEARCHRES1, Z_External_searchResult1, (Odr_fun)z_SearchInfoReport},
108 {VAL_DBUPDATE, Z_External_update, (Odr_fun)z_IUUpdate},
109 {VAL_DATETIME, Z_External_dateTime, (Odr_fun)z_DateTime},
110 {VAL_UNIVERSE_REPORT, Z_External_universeReport, (Odr_fun)z_UniverseReport},
114 Z_ext_typeent *z_ext_getentbyref(oid_value val)
118 for (i = type_table; i->dref != VAL_NONE; i++)
124 int z_External(ODR o, Z_External **p, int opt, const char *name)
129 static Odr_arm arm[] =
131 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_single,
132 (Odr_fun)odr_any, 0},
133 {ODR_IMPLICIT, ODR_CONTEXT, 1, Z_External_octet,
134 (Odr_fun)odr_octetstring, 0},
135 {ODR_IMPLICIT, ODR_CONTEXT, 2, Z_External_arbitrary,
136 (Odr_fun)odr_bitstring, 0},
137 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_sutrs,
138 (Odr_fun)z_SUTRS, 0},
139 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_explainRecord,
140 (Odr_fun)z_ExplainRecord, 0},
141 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport1,
142 (Odr_fun)z_ResourceReport1, 0},
143 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_resourceReport2,
144 (Odr_fun)z_ResourceReport2, 0},
145 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_promptObject1,
146 (Odr_fun)z_PromptObject1, 0},
147 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_grs1,
148 (Odr_fun)z_GenericRecord, 0},
149 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_extendedService,
150 (Odr_fun)z_TaskPackage, 0},
152 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
153 (Odr_fun)z_IOItemOrder, 0},
155 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_itemOrder,
156 (Odr_fun)z_ItemOrder, 0},
158 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_diag1,
159 (Odr_fun)z_DiagnosticFormat, 0},
160 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_espec1,
161 (Odr_fun)z_Espec1, 0},
162 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_summary,
163 (Odr_fun)z_BriefBib, 0},
164 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_OPAC,
165 (Odr_fun)z_OPACRecord, 0},
166 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_searchResult1,
167 (Odr_fun)z_SearchInfoReport, 0},
168 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_update,
169 (Odr_fun)z_IUUpdate, 0},
170 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_dateTime,
171 (Odr_fun)z_DateTime, 0},
172 {ODR_EXPLICIT, ODR_CONTEXT, 0, Z_External_universeReport,
173 (Odr_fun)z_UniverseReport, 0},
174 {-1, -1, -1, -1, 0, 0}
177 odr_implicit_settag(o, ODR_UNIVERSAL, ODR_EXTERNAL);
178 if (!odr_sequence_begin(o, p, sizeof(**p), name))
179 return opt && odr_ok(o);
180 if (!(odr_oid(o, &(*p)->direct_reference, 1, 0) &&
181 odr_integer(o, &(*p)->indirect_reference, 1, 0) &&
182 odr_graphicstring(o, &(*p)->descriptor, 1, 0)))
185 * Do we know this beast?
187 if (o->direction == ODR_DECODE && (*p)->direct_reference &&
188 (oid = oid_getentbyoid((*p)->direct_reference)) &&
189 (type = z_ext_getentbyref(oid->value)))
191 int zclass, tag, cons;
194 * We know it. If it's represented as an ASN.1 type, bias the CHOICE.
196 if (!odr_peektag(o, &zclass, &tag, &cons))
197 return opt && odr_ok(o);
198 if (zclass == ODR_CONTEXT && tag == 0 && cons == 1)
199 odr_choice_bias(o, type->what);
202 odr_choice(o, arm, &(*p)->u, &(*p)->which, name) &&
206 Z_External *z_ext_record(ODR o, int format, const char *buf, int len)
212 thisext = (Z_External *) odr_malloc(o, sizeof(*thisext));
213 thisext->descriptor = 0;
214 thisext->indirect_reference = 0;
216 recform.proto = PROTO_Z3950;
217 recform.oclass = CLASS_RECSYN;
218 recform.value = (enum oid_value) format;
219 if (!oid_ent_to_oid(&recform, oid))
221 thisext->direct_reference = odr_oiddup(o, oid);
223 if (len < 0) /* Structured data */
228 thisext->which = Z_External_sutrs;
231 thisext->which = Z_External_grs1;
234 thisext->which = Z_External_explainRecord;
237 thisext->which = Z_External_summary;
240 thisext->which = Z_External_OPAC;
247 * We cheat on the pointers here. Obviously, the record field
248 * of the backend-fetch structure should have been a union for
249 * correctness, but we're stuck with this for backwards
252 thisext->u.grs1 = (Z_GenericRecord*) buf;
254 else if (format == VAL_SUTRS) /* SUTRS is a single-ASN.1-type */
256 Odr_oct *sutrs = (Odr_oct *)odr_malloc(o, sizeof(*sutrs));
258 thisext->which = Z_External_sutrs;
259 thisext->u.sutrs = sutrs;
260 sutrs->buf = (unsigned char *)odr_malloc(o, len);
261 sutrs->len = sutrs->size = len;
262 memcpy(sutrs->buf, buf, len);
266 thisext->which = Z_External_octet;
267 if (!(thisext->u.octet_aligned = (Odr_oct *)
268 odr_malloc(o, sizeof(Odr_oct))))
270 if (!(thisext->u.octet_aligned->buf = (unsigned char *)
273 memcpy(thisext->u.octet_aligned->buf, buf, len);
274 thisext->u.octet_aligned->len = thisext->u.octet_aligned->size = len;