2 * Copyright (c) 1995-1997, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.7 1997-09-05 09:50:57 adam
8 * Removed global data1_tabpath - uses data1_get_tabpath() instead.
10 * Revision 1.6 1997/09/04 13:51:58 adam
11 * Added data1 to marc conversion with indicators.
13 * Revision 1.5 1997/09/04 13:48:04 adam
14 * Added data1 to marc conversion.
16 * Revision 1.4 1996/03/25 10:18:03 quinn
17 * Removed trailing whitespace from data elements
19 * Revision 1.3 1995/11/01 16:34:57 quinn
20 * Making data1 look for tables in data1_tabpath
22 * Revision 1.2 1995/11/01 13:54:48 quinn
25 * Revision 1.1 1995/11/01 11:56:08 quinn
26 * Added Retrieval (data management) functions en masse.
45 data1_marctab *data1_read_marctab(char *file)
48 data1_marctab *res = xmalloc(sizeof(*res));
49 char line[512], *argv[50];
52 if (!(f = yaz_path_fopen(data1_get_tabpath(), file, "r")))
54 logf(LOG_WARN|LOG_ERRNO, "%s", file);
59 res->reference = VAL_NONE;
61 res->length_data_entry = 4;
62 res->length_starting = 5;
63 res->length_implementation = 0;
64 strcpy(res->future_use, "4");
66 strcpy(res->record_status, "n");
67 strcpy(res->implementation_codes, " ");
68 res->indicator_length = 2;
69 res->identifier_length = 2;
70 strcpy(res->user_systems, "z ");
72 while ((argc = readconf_line(f, line, 512, argv, 50)))
73 if (!strcmp(argv[0], "name"))
77 logf(LOG_WARN, "%s: Bad name directive");
80 res->name = xmalloc(strlen(argv[1])+1);
81 strcpy(res->name, argv[1]);
83 else if (!strcmp(argv[0], "reference"))
87 logf(LOG_WARN, "%s: Bad name directive");
90 if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
92 logf(LOG_WARN, "%s: Unknown tagset ref '%s' in %s", file,
97 else if (!strcmp(argv[0], "length-data-entry"))
101 logf(LOG_WARN, "%s: Bad data-length-entry");
104 res->length_data_entry = atoi(argv[1]);
106 else if (!strcmp(argv[0], "length-starting"))
110 logf(LOG_WARN, "%s: Bad length-starting");
113 res->length_starting = atoi(argv[1]);
115 else if (!strcmp(argv[0], "length-implementation"))
119 logf(LOG_WARN, "%s: Bad length-implentation");
122 res->length_implementation = atoi(argv[1]);
124 else if (!strcmp(argv[0], "future-use"))
128 logf(LOG_WARN, "%s: Bad future-use");
131 strncpy(res->future_use, argv[1], 2);
134 logf(LOG_WARN, "%s: Bad directive '%s'", file, argv[0]);
141 * Locate some data under this node. This routine should handle variants
144 static char *get_data(data1_node *n, int *len)
148 while (n->which != DATA1N_data && n->child)
150 if (n->which != DATA1N_data || n->u.data.what != DATA1I_text)
152 r = "[Structured/included data]";
157 *len = n->u.data.len;
158 while (*len && isspace(n->u.data.data[*len - 1]))
160 return n->u.data.data;
163 static void memint (char *p, int val, int len)
171 sprintf (buf, "%08d", val);
172 memcpy (p, buf+8-len, len);
176 static int is_indicator (data1_marctab *p, data1_node *subf)
179 if (p->indicator_length != 2 ||
180 (subf->which == DATA1N_tag && strlen(subf->u.tag.tag) == 2))
183 if (subf->which == DATA1N_tag && subf->child->which == DATA1N_tag)
189 static int nodetomarc(data1_marctab *p, data1_node *n, int selected,
190 char **buf, int *size)
194 int base_address = 25;
197 data1_node *field, *subf;
199 for (field = n->child; field; field = field->next)
201 if (field->which != DATA1N_tag)
203 logf(LOG_WARN, "Malformed field composition for marc output.");
206 if (selected && !field->u.tag.node_selected)
208 len += 4 + p->length_data_entry + p->length_starting
209 + p->length_implementation;
210 base_address += 3 + p->length_data_entry + p->length_starting
211 + p->length_implementation;
212 if (strncmp(field->u.tag.tag, "00", 2))
213 len += p->indicator_length; /* this is fairly bogus */
216 /* we'll allow no indicator if length is not 2 */
217 if (is_indicator (p, subf))
220 for (; subf; subf = subf->next)
222 if (subf->which != DATA1N_tag)
225 "Malformed subfield composition for marc output.");
228 if (strncmp(field->u.tag.tag, "00", 2))
229 len += p->identifier_length;
230 get_data(subf, &dlen);
236 *buf = xmalloc(*size = len);
237 else if (*size <= len)
238 *buf = xrealloc(*buf, *size = len);
242 memcpy (op+5, p->record_status, 1);
243 memcpy (op+6, p->implementation_codes, 4);
244 memint (op+10, p->indicator_length, 1);
245 memint (op+11, p->identifier_length, 1);
246 memint (op+12, base_address, 5);
247 memcpy (op+17, p->user_systems, 3);
248 memint (op+20, p->length_data_entry, 1);
249 memint (op+21, p->length_starting, 1);
250 memint (op+22, p->length_implementation, 1);
251 memcpy (op+23, p->future_use, 1);
254 data_p = base_address;
256 for (field = n->child; field; field = field->next)
259 char *indicator_data = " ";
260 if (selected && !field->u.tag.node_selected)
265 if (is_indicator (p, subf))
267 indicator_data = subf->u.tag.tag;
270 if (strncmp(field->u.tag.tag, "00", 2)) /* bogus */
272 memcpy (op + data_p, indicator_data, p->indicator_length);
273 data_p += p->indicator_length;
275 for (; subf; subf = subf->next)
279 if (strncmp(field->u.tag.tag, "00", 2))
281 op[data_p] = ISO2709_IDFS;
282 memcpy (op + data_p+1, subf->u.tag.tag, p->identifier_length-1);
283 data_p += p->identifier_length;
285 data = get_data(subf, &dlen);
286 memcpy (op + data_p, data, dlen);
289 op[data_p++] = ISO2709_FS;
291 memcpy (op + entry_p, field->u.tag.tag, 3);
293 memint (op + entry_p, data_p - data_0, p->length_data_entry);
294 entry_p += p->length_data_entry;
295 memint (op + entry_p, data_0 - base_address, p->length_starting);
296 entry_p += p->length_starting;
297 entry_p += p->length_implementation;
299 op[entry_p++] = ISO2709_FS;
300 assert (entry_p == base_address);
301 op[data_p++] = ISO2709_RS;
302 assert (data_p == len);
306 char *data1_nodetomarc(data1_marctab *p, data1_node *n, int selected, int *len)
308 static char *buf = 0;
311 *len = nodetomarc(p, n, selected, &buf, &size);