1 /* This file is part of the YAZ toolkit.
2 * Copyright (C) 1995-2010 Index Data.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Index Data nor the names of its contributors
13 * may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 * \brief Header for ODR (Open Data Representation)
39 #include <yaz/yconfig.h>
42 /* for definition of Odr_oid */
43 #include <yaz/oid_util.h>
47 typedef nmem_int_t Odr_int;
48 typedef nmem_bool_t Odr_bool;
49 #define ODR_INT_PRINTF NMEM_INT_PRINTF
59 #define ODR_IMPLICIT 0
60 #define ODR_EXPLICIT 1
65 #define ODR_UNIVERSAL 0
66 #define ODR_APPLICATION 1
75 #define ODR_BITSTRING 3
76 #define ODR_OCTETSTRING 4
80 #define ODR_EXTERNAL 8
83 #define ODR_SEQUENCE 16
85 #define ODR_NUMERICSTRING 18
86 #define ODR_PRINTABLESTRING 19
87 #define ODR_GENERALIZEDTIME 24
88 #define ODR_GRAPHICSTRING 25
89 #define ODR_VISIBLESTRING 26
90 #define ODR_GENERALSTRING 27
93 * odr stream directions
99 typedef struct odr_oct
106 typedef void Odr_null;
107 extern Odr_null *ODR_NULLVAL;
109 typedef Odr_oct Odr_any;
111 typedef struct odr_bitmask
113 #define ODR_BITMASK_SIZE 256
114 unsigned char bits[ODR_BITMASK_SIZE];
122 typedef struct odr *ODR;
124 /** ODR handle and the public structs */
127 int direction; /* the direction of this stream */
129 int error; /* current error state (0==OK) */
131 unsigned char *buf; /* memory handle */
132 int top; /* top of buffer (max pos when encoding) */
133 int size; /* current buffer size (encoding+decoding) */
135 int pos; /* current position (encoding) */
137 const unsigned char *bp; /* position in buffer (decoding) */
139 NMEM mem; /* memory handle for decoding (primarily) */
141 struct Odr_private *op;
144 typedef int (*Odr_fun)(ODR, char **, int, const char *);
146 typedef struct odr_arm
164 #define OUNEXPECTED 5
173 extern char *odr_errlist[];
175 YAZ_EXPORT int odr_geterror(ODR o);
176 YAZ_EXPORT int odr_geterrorx(ODR o, int *x);
177 YAZ_EXPORT void odr_seterror(ODR o, int errorno, int errorid);
178 YAZ_EXPORT void odr_setelement(ODR o, const char *addinfo);
179 YAZ_EXPORT const char *odr_getelement(ODR o);
180 YAZ_EXPORT void odr_perror(ODR o, const char *message);
181 YAZ_EXPORT void odr_setprint(ODR o, FILE *file);
182 YAZ_EXPORT ODR odr_createmem(int direction);
183 YAZ_EXPORT void odr_reset(ODR o);
184 YAZ_EXPORT void odr_destroy(ODR o);
185 YAZ_EXPORT void odr_setbuf(ODR o, char *buf, int len, int can_grow);
186 YAZ_EXPORT char *odr_getbuf(ODR o, int *len, int *size);
187 YAZ_EXPORT void *odr_malloc(ODR o, size_t size);
188 YAZ_EXPORT char *odr_strdup(ODR o, const char *str);
189 YAZ_EXPORT char *odr_strdupn(ODR o, const char *str, size_t n);
190 YAZ_EXPORT char *odr_strdup_null(ODR o, const char *str);
191 YAZ_EXPORT Odr_int *odr_intdup(ODR o, Odr_int v);
192 YAZ_EXPORT Odr_bool *odr_booldup(ODR o, Odr_bool v);
193 YAZ_EXPORT Odr_oct *odr_create_Odr_oct(ODR o, const unsigned char *buf,
195 YAZ_EXPORT NMEM odr_extract_mem(ODR o);
196 YAZ_EXPORT Odr_null *odr_nullval(void);
197 #define odr_release_mem(m) nmem_destroy(m)
200 #define odr_implicit_tag(o, t, p, cl, tg, opt, name)\
201 (odr_implicit_settag((o), cl, tg), t ((o), (p), (opt), name) )
203 #define odr_explicit_tag(o, t, p, cl, tg, opt, name)\
204 ((int) (odr_constructed_begin((o), (p), (cl), (tg), 0) ? \
205 t ((o), (p), (opt), name) &&\
206 odr_constructed_end(o) : odr_missing((o), opt, name)))
208 #define ODR_MASK_ZERO(mask)\
209 ((void) (memset((mask)->bits, 0, ODR_BITMASK_SIZE),\
212 #define ODR_MASK_SET(mask, num)\
213 (((mask)->bits[(num) >> 3] |= 0X80 >> ((num) & 0X07)),\
214 (mask)->top < (num) >> 3 ? ((mask)->top = (num) >> 3) : 0)
216 #define ODR_MASK_CLEAR(mask, num)\
217 ((mask)->bits[(num) >> 3] &= ~(0X80 >> ((num) & 0X07)))
219 #define ODR_MASK_GET(mask, num) ( ((num) >> 3 <= (mask)->top) ? \
220 ((mask)->bits[(num) >> 3] & (0X80 >> ((num) & 0X07)) ? 1 : 0) : 0)
223 #define odr_tell(o) ((o)->pos)
224 #define odr_offset(o) ((o)->bp - (o)->buf)
225 #define odr_ok(o) (!(o)->error)
226 #define odr_getmem(o) ((o)->mem)
228 #define ODR_MAXNAME 256
230 YAZ_EXPORT int ber_boolean(ODR o, int *val);
231 YAZ_EXPORT int ber_tag(ODR o, void *p, int zclass, int tag,
232 int *constructed, int opt, const char *name);
233 YAZ_EXPORT int ber_enctag(ODR o, int zclass, int tag, int constructed);
234 YAZ_EXPORT int ber_dectag(const unsigned char *buf, int *zclass,
235 int *tag, int *constructed, int max);
236 YAZ_EXPORT int odr_bool(ODR o, Odr_bool **p, int opt, const char *name);
237 YAZ_EXPORT int odr_integer(ODR o, Odr_int **p, int opt, const char *name);
238 YAZ_EXPORT int odr_enum(ODR o, Odr_int **p, int opt, const char *name);
239 YAZ_EXPORT int odr_implicit_settag(ODR o, int zclass, int tag);
240 YAZ_EXPORT int ber_enclen(ODR o, int len, int lenlen, int exact);
241 YAZ_EXPORT int ber_declen(const unsigned char *buf, int *len, int max);
242 YAZ_EXPORT void odr_prname(ODR o, const char *name);
243 YAZ_EXPORT int ber_null(ODR o);
244 YAZ_EXPORT int odr_null(ODR o, Odr_null **p, int opt, const char *name);
245 YAZ_EXPORT int ber_integer(ODR o, Odr_int *val);
246 YAZ_EXPORT int odr_constructed_begin(ODR o, void *p, int zclass, int tag,
248 YAZ_EXPORT int odr_constructed_end(ODR o);
249 YAZ_EXPORT int odr_sequence_begin(ODR o, void *p, int size, const char *name);
250 YAZ_EXPORT int odr_set_begin(ODR o, void *p, int size, const char *name);
251 YAZ_EXPORT int odr_sequence_end(ODR o);
252 YAZ_EXPORT int odr_set_end(ODR o);
253 YAZ_EXPORT int ber_octetstring(ODR o, Odr_oct *p, int cons);
254 YAZ_EXPORT int odr_octetstring(ODR o, Odr_oct **p, int opt, const char *name);
255 YAZ_EXPORT int odp_more_chunks(ODR o, const unsigned char *base, int len);
256 YAZ_EXPORT int odr_constructed_more(ODR o);
257 YAZ_EXPORT int odr_bitstring(ODR o, Odr_bitmask **p, int opt,
259 YAZ_EXPORT int ber_bitstring(ODR o, Odr_bitmask *p, int cons);
260 YAZ_EXPORT int odr_generalstring(ODR o, char **p, int opt, const char *name);
261 YAZ_EXPORT int ber_oidc(ODR o, Odr_oid *p, int max_oid_size);
262 YAZ_EXPORT int odr_oid(ODR o, Odr_oid **p, int opt, const char *name);
263 YAZ_EXPORT int odr_choice(ODR o, Odr_arm arm[], void *p, void *whichp,
265 YAZ_EXPORT int odr_cstring(ODR o, char **p, int opt, const char *name);
266 YAZ_EXPORT int odr_iconv_string(ODR o, char **p, int opt, const char *name);
267 YAZ_EXPORT int odr_sequence_of(ODR o, Odr_fun type, void *p, int *num,
269 YAZ_EXPORT int odr_set_of(ODR o, Odr_fun type, void *p, int *num,
271 YAZ_EXPORT int odr_any(ODR o, Odr_any **p, int opt, const char *name);
273 YAZ_EXPORT int ber_any(ODR o, Odr_any **p);
274 /** \brief determine whether a buffer is a complete BER buffer
275 \param buf BER buffer
276 \param len length of buffer
277 \retval 0 package is incomplete
278 \retval >0 package is complete and length is return value
280 YAZ_EXPORT int completeBER(const unsigned char *buf, int len);
282 YAZ_EXPORT void odr_begin(ODR o);
283 YAZ_EXPORT void odr_end(ODR o);
284 YAZ_EXPORT Odr_oid *odr_oiddup(ODR odr, const Odr_oid *o);
285 YAZ_EXPORT Odr_oid *odr_oiddup_nmem(NMEM nmem, const Odr_oid *o);
286 YAZ_EXPORT int odr_grow_block(ODR b, int min_bytes);
287 YAZ_EXPORT int odr_write(ODR o, unsigned char *buf, int bytes);
288 YAZ_EXPORT int odr_seek(ODR o, int whence, int offset);
289 YAZ_EXPORT int odr_dumpBER(FILE *f, const char *buf, int len);
290 YAZ_EXPORT void odr_choice_bias(ODR o, int what);
291 YAZ_EXPORT void odr_choice_enable_bias(ODR o, int mode);
292 YAZ_EXPORT size_t odr_total(ODR o);
293 YAZ_EXPORT char *odr_errmsg(int n);
294 YAZ_EXPORT Odr_oid *odr_getoidbystr(ODR o, const char *str);
295 YAZ_EXPORT Odr_oid *odr_getoidbystr_nmem(NMEM o, const char *str);
297 YAZ_EXPORT int odr_initmember(ODR o, void *p, int size);
298 YAZ_EXPORT int odr_peektag(ODR o, int *zclass, int *tag, int *cons);
299 YAZ_EXPORT void odr_setlenlen(ODR o, int len);
300 YAZ_EXPORT int odr_missing(ODR o, int opt, const char *name);
301 YAZ_EXPORT char *odr_prepend(ODR o, const char *prefix, const char *old);
303 typedef struct Odr_external
305 Odr_oid *direct_reference; /* OPTIONAL */
306 Odr_int *indirect_reference; /* OPTIONAL */
307 char *descriptor; /* OPTIONAL */
309 #define ODR_EXTERNAL_single 0
310 #define ODR_EXTERNAL_octet 1
311 #define ODR_EXTERNAL_arbitrary 2
314 Odr_any *single_ASN1_type;
315 Odr_oct *octet_aligned;
316 Odr_bitmask *arbitrary; /* we aren't really equipped for this*/
320 YAZ_EXPORT int odr_external(ODR o, Odr_external **p, int opt,
322 YAZ_EXPORT int odr_visiblestring(ODR o, char **p, int opt,
324 YAZ_EXPORT int odr_graphicstring(ODR o, char **p, int opt,
326 YAZ_EXPORT int odr_generalizedtime(ODR o, char **p, int opt,
329 YAZ_EXPORT int odr_set_charset(ODR o, const char *to, const char *from);
331 YAZ_EXPORT void odr_set_stream(ODR o, void *handle,
332 void (*stream_write)(ODR o,
337 void (*stream_close)(void *handle));
339 YAZ_EXPORT void odr_printf(ODR o, const char *fmt, ...);
341 YAZ_EXPORT const char **odr_get_element_path(ODR o);
343 YAZ_EXPORT Odr_int odr_atoi(const char *s);
345 YAZ_EXPORT Odr_int odr_strtol(const char *nptr, char **endptr, int base);
349 #include <yaz/xmalloc.h>
355 * c-file-style: "Stroustrup"
356 * indent-tabs-mode: nil
358 * vim: shiftwidth=4 tabstop=8 expandtab