2 * Copyright (c) 1995-2002, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
6 * $Id: d1_marc.c,v 1.1 2002-10-22 12:53:33 adam Exp $
16 #include <yaz/marcdisp.h>
17 #include <yaz/readconf.h>
18 #include <yaz/xmalloc.h>
19 #include <yaz/tpath.h>
22 data1_marctab *data1_read_marctab (data1_handle dh, const char *file)
25 NMEM mem = data1_nmem_get (dh);
26 data1_marctab *res = (data1_marctab *)nmem_malloc(mem, sizeof(*res));
27 char line[512], *argv[50];
31 if (!(f = data1_path_fopen(dh, file, "r")))
33 yaz_log(LOG_WARN|LOG_ERRNO, "%s", file);
38 res->reference = VAL_NONE;
40 res->length_data_entry = 4;
41 res->length_starting = 5;
42 res->length_implementation = 0;
43 strcpy(res->future_use, "4");
45 strcpy(res->record_status, "n");
46 strcpy(res->implementation_codes, " ");
47 res->indicator_length = 2;
48 res->identifier_length = 2;
49 res->force_indicator_length = -1;
50 res->force_identifier_length = -1;
51 strcpy(res->user_systems, "z ");
53 while ((argc = readconf_line(f, &lineno, line, 512, argv, 50)))
54 if (!strcmp(*argv, "name"))
58 yaz_log(LOG_WARN, "%s:%d:Missing arg for %s", file, lineno,
62 res->name = nmem_strdup(mem, argv[1]);
64 else if (!strcmp(*argv, "reference"))
68 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
72 if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
74 yaz_log(LOG_WARN, "%s:%d: Unknown tagset reference '%s'",
75 file, lineno, argv[1]);
79 else if (!strcmp(*argv, "length-data-entry"))
83 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
87 res->length_data_entry = atoi(argv[1]);
89 else if (!strcmp(*argv, "length-starting"))
93 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
97 res->length_starting = atoi(argv[1]);
99 else if (!strcmp(*argv, "length-implementation"))
103 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
107 res->length_implementation = atoi(argv[1]);
109 else if (!strcmp(*argv, "future-use"))
113 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
117 strncpy(res->future_use, argv[1], 2);
119 else if (!strcmp(*argv, "force-indicator-length"))
123 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
127 res->force_indicator_length = atoi(argv[1]);
129 else if (!strcmp(*argv, "force-identifier-length"))
133 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
137 res->force_identifier_length = atoi(argv[1]);
140 yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'", file, lineno,
149 * Locate some data under this node. This routine should handle variants
152 static char *get_data(data1_node *n, int *len)
158 if (n->which == DATA1N_data)
161 *len = n->u.data.len;
163 for (i = 0; i<*len; i++)
164 if (!d1_isspace(n->u.data.data[i]))
166 while (*len && d1_isspace(n->u.data.data[*len - 1]))
170 return n->u.data.data + i;
172 if (n->which == DATA1N_tag)
174 else if (n->which == DATA1N_data)
184 static void memint (char *p, int val, int len)
192 sprintf (buf, "%08d", val);
193 memcpy (p, buf+8-len, len);
197 static int is_indicator (data1_marctab *p, data1_node *subf)
200 if (p->indicator_length != 2 ||
201 (subf && subf->which == DATA1N_tag && strlen(subf->u.tag.tag) == 2))
204 if (subf && subf->which == DATA1N_tag && subf->child->which == DATA1N_tag)
210 static int nodetomarc(data1_handle dh,
211 data1_marctab *p, data1_node *n, int selected,
212 char **buf, int *size)
216 int base_address = 25;
219 data1_node *field, *subf;
221 yaz_log (LOG_DEBUG, "nodetomarc");
223 for (field = n->child; field; field = field->next)
227 if (field->which != DATA1N_tag)
229 yaz_log(LOG_WARN, "Malformed field composition for marc output.");
232 if (selected && !field->u.tag.node_selected)
239 len += 4 + p->length_data_entry + p->length_starting
240 + p->length_implementation;
241 base_address += 3 + p->length_data_entry + p->length_starting
242 + p->length_implementation;
244 if (subf->which == DATA1N_data)
246 if (!data1_is_xmlmode(dh))
248 if (subf->which == DATA1N_tag && !strcmp(subf->u.tag.tag, "@"))
254 len += p->indicator_length;
255 /* we'll allow no indicator if length is not 2 */
256 if (is_indicator (p, subf))
259 for (; subf; subf = subf->next)
262 len += p->identifier_length;
263 get_data(subf, &dlen);
269 *buf = (char *)xmalloc(*size = len);
270 else if (*size <= len)
271 *buf = (char *)xrealloc(*buf, *size = len);
275 memcpy (op+5, p->record_status, 1);
276 memcpy (op+6, p->implementation_codes, 4);
277 memint (op+10, p->indicator_length, 1);
278 memint (op+11, p->identifier_length, 1);
279 memint (op+12, base_address, 5);
280 memcpy (op+17, p->user_systems, 3);
281 memint (op+20, p->length_data_entry, 1);
282 memint (op+21, p->length_starting, 1);
283 memint (op+22, p->length_implementation, 1);
284 memcpy (op+23, p->future_use, 1);
287 data_p = base_address;
289 for (field = n->child; field; field = field->next)
294 char *indicator_data = " ";
295 if (selected && !field->u.tag.node_selected)
302 if (subf->which == DATA1N_data)
304 if (!data1_is_xmlmode(dh))
306 if (subf->which == DATA1N_tag && !strcmp(subf->u.tag.tag, "@"))
310 if (is_indicator (p, subf))
312 indicator_data = subf->u.tag.tag;
317 memcpy (op + data_p, indicator_data, p->indicator_length);
318 data_p += p->indicator_length;
320 for (; subf; subf = subf->next)
326 const char *identifier = "a";
327 if (subf->which != DATA1N_tag)
328 yaz_log(LOG_WARN, "Malformed fields for marc output.");
330 identifier = subf->u.tag.tag;
331 op[data_p] = ISO2709_IDFS;
332 memcpy (op + data_p+1, identifier, p->identifier_length-1);
333 data_p += p->identifier_length;
335 data = get_data(subf, &dlen);
336 memcpy (op + data_p, data, dlen);
339 op[data_p++] = ISO2709_FS;
341 memcpy (op + entry_p, field->u.tag.tag, 3);
343 memint (op + entry_p, data_p - data_0, p->length_data_entry);
344 entry_p += p->length_data_entry;
345 memint (op + entry_p, data_0 - base_address, p->length_starting);
346 entry_p += p->length_starting;
347 entry_p += p->length_implementation;
349 op[entry_p++] = ISO2709_FS;
350 assert (entry_p == base_address);
351 op[data_p++] = ISO2709_RS;
352 assert (data_p == len);
356 char *data1_nodetomarc(data1_handle dh, data1_marctab *p, data1_node *n,
357 int selected, int *len)
360 char **buf = data1_get_map_buf (dh, &size);
362 n = data1_get_root_tag (dh, n);
365 *len = nodetomarc(dh, p, n, selected, buf, size);