2 * Copyright (c) 1995-1997, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.6 1997-09-04 13:51:58 adam
8 * Added data1 to marc conversion with indicators.
10 * Revision 1.5 1997/09/04 13:48:04 adam
11 * Added data1 to marc conversion.
13 * Revision 1.4 1996/03/25 10:18:03 quinn
14 * Removed trailing whitespace from data elements
16 * Revision 1.3 1995/11/01 16:34:57 quinn
17 * Making data1 look for tables in data1_tabpath
19 * Revision 1.2 1995/11/01 13:54:48 quinn
22 * Revision 1.1 1995/11/01 11:56:08 quinn
23 * Added Retrieval (data management) functions en masse.
42 data1_marctab *data1_read_marctab(char *file)
45 data1_marctab *res = xmalloc(sizeof(*res));
46 char line[512], *argv[50];
49 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
51 logf(LOG_WARN|LOG_ERRNO, "%s", file);
56 res->reference = VAL_NONE;
58 res->length_data_entry = 4;
59 res->length_starting = 5;
60 res->length_implementation = 0;
61 strcpy(res->future_use, "4");
63 strcpy(res->record_status, "n");
64 strcpy(res->implementation_codes, " ");
65 res->indicator_length = 2;
66 res->identifier_length = 2;
67 strcpy(res->user_systems, "z ");
69 while ((argc = readconf_line(f, line, 512, argv, 50)))
70 if (!strcmp(argv[0], "name"))
74 logf(LOG_WARN, "%s: Bad name directive");
77 res->name = xmalloc(strlen(argv[1])+1);
78 strcpy(res->name, argv[1]);
80 else if (!strcmp(argv[0], "reference"))
84 logf(LOG_WARN, "%s: Bad name directive");
87 if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
89 logf(LOG_WARN, "%s: Unknown tagset ref '%s' in %s", file,
94 else if (!strcmp(argv[0], "length-data-entry"))
98 logf(LOG_WARN, "%s: Bad data-length-entry");
101 res->length_data_entry = atoi(argv[1]);
103 else if (!strcmp(argv[0], "length-starting"))
107 logf(LOG_WARN, "%s: Bad length-starting");
110 res->length_starting = atoi(argv[1]);
112 else if (!strcmp(argv[0], "length-implementation"))
116 logf(LOG_WARN, "%s: Bad length-implentation");
119 res->length_implementation = atoi(argv[1]);
121 else if (!strcmp(argv[0], "future-use"))
125 logf(LOG_WARN, "%s: Bad future-use");
128 strncpy(res->future_use, argv[1], 2);
131 logf(LOG_WARN, "%s: Bad directive '%s'", file, argv[0]);
138 * Locate some data under this node. This routine should handle variants
141 static char *get_data(data1_node *n, int *len)
145 while (n->which != DATA1N_data && n->child)
147 if (n->which != DATA1N_data || n->u.data.what != DATA1I_text)
149 r = "[Structured/included data]";
154 *len = n->u.data.len;
155 while (*len && isspace(n->u.data.data[*len - 1]))
157 return n->u.data.data;
160 static void memint (char *p, int val, int len)
168 sprintf (buf, "%08d", val);
169 memcpy (p, buf+8-len, len);
173 static int is_indicator (data1_marctab *p, data1_node *subf)
176 if (p->indicator_length != 2 ||
177 (subf->which == DATA1N_tag && strlen(subf->u.tag.tag) == 2))
180 if (subf->which == DATA1N_tag && subf->child->which == DATA1N_tag)
186 static int nodetomarc(data1_marctab *p, data1_node *n, int selected,
187 char **buf, int *size)
191 int base_address = 25;
194 data1_node *field, *subf;
196 for (field = n->child; field; field = field->next)
198 if (field->which != DATA1N_tag)
200 logf(LOG_WARN, "Malformed field composition for marc output.");
203 if (selected && !field->u.tag.node_selected)
205 len += 4 + p->length_data_entry + p->length_starting
206 + p->length_implementation;
207 base_address += 3 + p->length_data_entry + p->length_starting
208 + p->length_implementation;
209 if (strncmp(field->u.tag.tag, "00", 2))
210 len += p->indicator_length; /* this is fairly bogus */
213 /* we'll allow no indicator if length is not 2 */
214 if (is_indicator (p, subf))
217 for (; subf; subf = subf->next)
219 if (subf->which != DATA1N_tag)
222 "Malformed subfield composition for marc output.");
225 if (strncmp(field->u.tag.tag, "00", 2))
226 len += p->identifier_length;
227 get_data(subf, &dlen);
233 *buf = xmalloc(*size = len);
234 else if (*size <= len)
235 *buf = xrealloc(*buf, *size = len);
239 memcpy (op+5, p->record_status, 1);
240 memcpy (op+6, p->implementation_codes, 4);
241 memint (op+10, p->indicator_length, 1);
242 memint (op+11, p->identifier_length, 1);
243 memint (op+12, base_address, 5);
244 memcpy (op+17, p->user_systems, 3);
245 memint (op+20, p->length_data_entry, 1);
246 memint (op+21, p->length_starting, 1);
247 memint (op+22, p->length_implementation, 1);
248 memcpy (op+23, p->future_use, 1);
251 data_p = base_address;
253 for (field = n->child; field; field = field->next)
256 char *indicator_data = " ";
257 if (selected && !field->u.tag.node_selected)
262 if (is_indicator (p, subf))
264 indicator_data = subf->u.tag.tag;
267 if (strncmp(field->u.tag.tag, "00", 2)) /* bogus */
269 memcpy (op + data_p, indicator_data, p->indicator_length);
270 data_p += p->indicator_length;
272 for (; subf; subf = subf->next)
276 if (strncmp(field->u.tag.tag, "00", 2))
278 op[data_p] = ISO2709_IDFS;
279 memcpy (op + data_p+1, subf->u.tag.tag, p->identifier_length-1);
280 data_p += p->identifier_length;
282 data = get_data(subf, &dlen);
283 memcpy (op + data_p, data, dlen);
286 op[data_p++] = ISO2709_FS;
288 memcpy (op + entry_p, field->u.tag.tag, 3);
290 memint (op + entry_p, data_p - data_0, p->length_data_entry);
291 entry_p += p->length_data_entry;
292 memint (op + entry_p, data_0 - base_address, p->length_starting);
293 entry_p += p->length_starting;
294 entry_p += p->length_implementation;
296 op[entry_p++] = ISO2709_FS;
297 assert (entry_p == base_address);
298 op[data_p++] = ISO2709_RS;
299 assert (data_p == len);
303 char *data1_nodetomarc(data1_marctab *p, data1_node *n, int selected, int *len)
305 static char *buf = 0;
308 *len = nodetomarc(p, n, selected, &buf, &size);