1 /* $Id: d1_marc.c,v 1.2 2002-10-22 13:19:50 adam Exp $
2 Copyright (C) 1995,1996,1997,1998,1999,2000,2001,2002
5 This file is part of the Zebra server.
7 Zebra is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Zebra is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with Zebra; see the file LICENSE.zebra. If not, write to the
19 Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 /* converts data1 tree to ISO2709/MARC record */
31 #include <yaz/marcdisp.h>
32 #include <yaz/readconf.h>
33 #include <yaz/xmalloc.h>
34 #include <yaz/tpath.h>
37 data1_marctab *data1_read_marctab (data1_handle dh, const char *file)
40 NMEM mem = data1_nmem_get (dh);
41 data1_marctab *res = (data1_marctab *)nmem_malloc(mem, sizeof(*res));
42 char line[512], *argv[50];
46 if (!(f = data1_path_fopen(dh, file, "r")))
48 yaz_log(LOG_WARN|LOG_ERRNO, "%s", file);
53 res->reference = VAL_NONE;
55 res->length_data_entry = 4;
56 res->length_starting = 5;
57 res->length_implementation = 0;
58 strcpy(res->future_use, "4");
60 strcpy(res->record_status, "n");
61 strcpy(res->implementation_codes, " ");
62 res->indicator_length = 2;
63 res->identifier_length = 2;
64 res->force_indicator_length = -1;
65 res->force_identifier_length = -1;
66 strcpy(res->user_systems, "z ");
68 while ((argc = readconf_line(f, &lineno, line, 512, argv, 50)))
69 if (!strcmp(*argv, "name"))
73 yaz_log(LOG_WARN, "%s:%d:Missing arg for %s", file, lineno,
77 res->name = nmem_strdup(mem, argv[1]);
79 else if (!strcmp(*argv, "reference"))
83 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
87 if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
89 yaz_log(LOG_WARN, "%s:%d: Unknown tagset reference '%s'",
90 file, lineno, argv[1]);
94 else if (!strcmp(*argv, "length-data-entry"))
98 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
102 res->length_data_entry = atoi(argv[1]);
104 else if (!strcmp(*argv, "length-starting"))
108 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
112 res->length_starting = atoi(argv[1]);
114 else if (!strcmp(*argv, "length-implementation"))
118 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
122 res->length_implementation = atoi(argv[1]);
124 else if (!strcmp(*argv, "future-use"))
128 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
132 strncpy(res->future_use, argv[1], 2);
134 else if (!strcmp(*argv, "force-indicator-length"))
138 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
142 res->force_indicator_length = atoi(argv[1]);
144 else if (!strcmp(*argv, "force-identifier-length"))
148 yaz_log(LOG_WARN, "%s:%d: Missing arg for %s", file, lineno,
152 res->force_identifier_length = atoi(argv[1]);
155 yaz_log(LOG_WARN, "%s:%d: Unknown directive '%s'", file, lineno,
164 * Locate some data under this node. This routine should handle variants
167 static char *get_data(data1_node *n, int *len)
173 if (n->which == DATA1N_data)
176 *len = n->u.data.len;
178 for (i = 0; i<*len; i++)
179 if (!d1_isspace(n->u.data.data[i]))
181 while (*len && d1_isspace(n->u.data.data[*len - 1]))
185 return n->u.data.data + i;
187 if (n->which == DATA1N_tag)
189 else if (n->which == DATA1N_data)
199 static void memint (char *p, int val, int len)
207 sprintf (buf, "%08d", val);
208 memcpy (p, buf+8-len, len);
212 static int is_indicator (data1_marctab *p, data1_node *subf)
215 if (p->indicator_length != 2 ||
216 (subf && subf->which == DATA1N_tag && strlen(subf->u.tag.tag) == 2))
219 if (subf && subf->which == DATA1N_tag && subf->child->which == DATA1N_tag)
225 static int nodetomarc(data1_handle dh,
226 data1_marctab *p, data1_node *n, int selected,
227 char **buf, int *size)
231 int base_address = 25;
234 data1_node *field, *subf;
236 yaz_log (LOG_DEBUG, "nodetomarc");
238 for (field = n->child; field; field = field->next)
242 if (field->which != DATA1N_tag)
244 yaz_log(LOG_WARN, "Malformed field composition for marc output.");
247 if (selected && !field->u.tag.node_selected)
254 len += 4 + p->length_data_entry + p->length_starting
255 + p->length_implementation;
256 base_address += 3 + p->length_data_entry + p->length_starting
257 + p->length_implementation;
259 if (subf->which == DATA1N_data)
261 if (!data1_is_xmlmode(dh))
263 if (subf->which == DATA1N_tag && !strcmp(subf->u.tag.tag, "@"))
269 len += p->indicator_length;
270 /* we'll allow no indicator if length is not 2 */
271 if (is_indicator (p, subf))
274 for (; subf; subf = subf->next)
277 len += p->identifier_length;
278 get_data(subf, &dlen);
284 *buf = (char *)xmalloc(*size = len);
285 else if (*size <= len)
286 *buf = (char *)xrealloc(*buf, *size = len);
290 memcpy (op+5, p->record_status, 1);
291 memcpy (op+6, p->implementation_codes, 4);
292 memint (op+10, p->indicator_length, 1);
293 memint (op+11, p->identifier_length, 1);
294 memint (op+12, base_address, 5);
295 memcpy (op+17, p->user_systems, 3);
296 memint (op+20, p->length_data_entry, 1);
297 memint (op+21, p->length_starting, 1);
298 memint (op+22, p->length_implementation, 1);
299 memcpy (op+23, p->future_use, 1);
302 data_p = base_address;
304 for (field = n->child; field; field = field->next)
309 char *indicator_data = " ";
310 if (selected && !field->u.tag.node_selected)
317 if (subf->which == DATA1N_data)
319 if (!data1_is_xmlmode(dh))
321 if (subf->which == DATA1N_tag && !strcmp(subf->u.tag.tag, "@"))
325 if (is_indicator (p, subf))
327 indicator_data = subf->u.tag.tag;
332 memcpy (op + data_p, indicator_data, p->indicator_length);
333 data_p += p->indicator_length;
335 for (; subf; subf = subf->next)
341 const char *identifier = "a";
342 if (subf->which != DATA1N_tag)
343 yaz_log(LOG_WARN, "Malformed fields for marc output.");
345 identifier = subf->u.tag.tag;
346 op[data_p] = ISO2709_IDFS;
347 memcpy (op + data_p+1, identifier, p->identifier_length-1);
348 data_p += p->identifier_length;
350 data = get_data(subf, &dlen);
351 memcpy (op + data_p, data, dlen);
354 op[data_p++] = ISO2709_FS;
356 memcpy (op + entry_p, field->u.tag.tag, 3);
358 memint (op + entry_p, data_p - data_0, p->length_data_entry);
359 entry_p += p->length_data_entry;
360 memint (op + entry_p, data_0 - base_address, p->length_starting);
361 entry_p += p->length_starting;
362 entry_p += p->length_implementation;
364 op[entry_p++] = ISO2709_FS;
365 assert (entry_p == base_address);
366 op[data_p++] = ISO2709_RS;
367 assert (data_p == len);
371 char *data1_nodetomarc(data1_handle dh, data1_marctab *p, data1_node *n,
372 int selected, int *len)
375 char **buf = data1_get_map_buf (dh, &size);
377 n = data1_get_root_tag (dh, n);
380 *len = nodetomarc(dh, p, n, selected, buf, size);