2 * Copyright (c) 1995-1999, Index Data
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.25 1999-11-30 13:47:11 adam
8 * Improved installation. Moved header files to include/yaz.
10 * Revision 1.24 1999/04/20 09:56:48 adam
11 * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
12 * Modified all encoders/decoders to reflect this change.
14 * Revision 1.23 1998/03/20 14:45:01 adam
15 * Implemented odr_enum and odr_set_of.
17 * Revision 1.22 1998/02/11 11:53:34 adam
18 * Changed code so that it compiles as C++.
20 * Revision 1.21 1997/11/24 11:33:56 adam
21 * Using function odr_nullval() instead of global ODR_NULLVAL when
24 * Revision 1.20 1997/09/29 07:17:31 adam
25 * Added typecast to avoid warnings on MSVC.
27 * Revision 1.19 1997/06/23 10:31:11 adam
28 * Added RVDM's SEQUENCE OF patch again!
30 * Revision 1.18 1997/05/14 06:53:58 adam
33 * Revision 1.17 1997/05/05 11:21:09 adam
34 * In handling of SEQUENCE OF: Counter set to zero when SEQUENCE
35 * OF isn't there at all.
37 * Revision 1.16 1995/09/29 17:12:26 quinn
40 * Revision 1.15 1995/09/27 15:03:00 quinn
41 * Modified function heads & prototypes.
43 * Revision 1.14 1995/08/15 11:16:39 quinn
44 * Fixed pretty-printers.
46 * Revision 1.13 1995/05/22 14:56:57 quinn
47 * Fixed problem in decoding empty sequence.
49 * Revision 1.12 1995/05/18 13:06:32 quinn
52 * Revision 1.11 1995/05/17 08:41:54 quinn
53 * Small, hopefully insignificant change.
55 * Revision 1.10 1995/05/16 08:50:59 quinn
56 * License, documentation, and memory fixes
58 * Revision 1.9 1995/03/17 10:17:57 quinn
59 * Added memory management.
61 * Revision 1.8 1995/03/15 11:18:05 quinn
62 * Fixed serious bug in odr_cons
64 * Revision 1.7 1995/03/08 12:12:30 quinn
65 * Added better error checking.
67 * Revision 1.6 1995/02/10 15:55:29 quinn
70 * Revision 1.5 1995/02/09 15:51:49 quinn
73 * Revision 1.4 1995/02/07 17:53:00 quinn
74 * A damn mess, but now things work, I think.
76 * Revision 1.3 1995/02/07 14:13:46 quinn
79 * Revision 1.2 1995/02/06 16:45:03 quinn
82 * Revision 1.1 1995/02/02 16:21:54 quinn
90 int odr_sequence_begin(ODR o, void *p, int size, const char *name)
92 char **pp = (char**) p;
98 o->t_class = ODR_UNIVERSAL;
99 o->t_tag = ODR_SEQUENCE;
101 if (o->direction == ODR_DECODE)
103 if (odr_constructed_begin(o, p, o->t_class, o->t_tag, name))
105 if (o->direction == ODR_DECODE && size)
106 *pp = (char *)odr_malloc(o, size);
113 int odr_set_begin(ODR o, void *p, int size, const char *name)
115 char **pp = (char**) p;
121 o->t_class = ODR_UNIVERSAL;
124 if (o->direction == ODR_DECODE)
126 if (odr_constructed_begin(o, p, o->t_class, o->t_tag, name))
128 if (o->direction == ODR_DECODE && size)
129 *pp = (char *)odr_malloc(o, size);
136 int odr_sequence_end(ODR o)
138 return odr_constructed_end(o);
141 int odr_set_end(ODR o)
143 return odr_constructed_end(o);
146 static int odr_sequence_more(ODR o)
148 return odr_constructed_more(o);
151 static int odr_sequence_x (ODR o, Odr_fun type, void *p, int *num)
153 char ***pp = (char***) p; /* for dereferencing */
157 switch (o->direction)
161 *pp = (char **)odr_nullval();
162 while (odr_sequence_more(o))
164 /* outgrown array? */
165 if (*num * (int) sizeof(void*) >= size)
167 /* double the buffer size */
168 tmp = (char **)odr_malloc(o, sizeof(void*) *
169 (size += size ? size : 128));
172 memcpy(tmp, *pp, *num * sizeof(void*));
174 * For now, we just throw the old *p away, since we use
175 * nibble memory anyway (disgusting, isn't it?).
180 if (!(*type)(o, (*pp) + *num, 0, 0))
185 case ODR_ENCODE: case ODR_PRINT:
187 fprintf(stderr, "[seqof: num=%d]", *num);
189 for (i = 0; i < *num; i++)
192 fprintf(stderr, "[seqof: elem #%d]", i);
194 if (!(*type)(o, *pp + i, 0, 0))
202 return odr_sequence_end(o);
205 int odr_set_of(ODR o, Odr_fun type, void *p, int *num, const char *name)
207 if (!odr_set_begin(o, p, 0, name)) {
208 if (o->direction == ODR_DECODE)
212 return odr_sequence_x (o, type, p, num);
215 int odr_sequence_of(ODR o, Odr_fun type, void *p, int *num,
218 if (!odr_sequence_begin(o, p, 0, name)) {
219 if (o->direction == ODR_DECODE)
223 return odr_sequence_x (o, type, p, num);