2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.4 1996-03-25 10:18:03 quinn
8 * Removed trailing whitespace from data elements
10 * Revision 1.3 1995/11/01 16:34:57 quinn
11 * Making data1 look for tables in data1_tabpath
13 * Revision 1.2 1995/11/01 13:54:48 quinn
16 * Revision 1.1 1995/11/01 11:56:08 quinn
17 * Added Retrieval (data management) functions en masse.
35 #define ISO2709_RS 035
36 #define ISO2709_FS 036
37 #define ISO2709_IDFS 037
39 data1_marctab *data1_read_marctab(char *file)
42 data1_marctab *res = xmalloc(sizeof(*res));
43 char line[512], *argv[50];
46 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
48 logf(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 strcpy(res->user_systems, "z ");
66 while ((argc = readconf_line(f, line, 512, argv, 50)))
67 if (!strcmp(argv[0], "name"))
71 logf(LOG_WARN, "%s: Bad name directive");
74 res->name = xmalloc(strlen(argv[1])+1);
75 strcpy(res->name, argv[1]);
77 else if (!strcmp(argv[0], "reference"))
81 logf(LOG_WARN, "%s: Bad name directive");
84 if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
86 logf(LOG_WARN, "%s: Unknown tagset ref '%s' in %s", file,
91 else if (!strcmp(argv[0], "length-data-entry"))
95 logf(LOG_WARN, "%s: Bad data-length-entry");
98 res->length_data_entry = atoi(argv[1]);
100 else if (!strcmp(argv[0], "length-starting"))
104 logf(LOG_WARN, "%s: Bad length-starting");
107 res->length_starting = atoi(argv[1]);
109 else if (!strcmp(argv[0], "length-implementation"))
113 logf(LOG_WARN, "%s: Bad length-implentation");
116 res->length_implementation = atoi(argv[1]);
118 else if (!strcmp(argv[0], "future-use"))
122 logf(LOG_WARN, "%s: Bad future-use");
125 strncpy(res->future_use, argv[1], 2);
128 logf(LOG_WARN, "%s: Bad directive '%s'", file, argv[0]);
135 * Locate some data under this node. This routine should handle variants
138 static char *get_data(data1_node *n, int *len)
142 while (n->which != DATA1N_data && n->child)
144 if (n->which != DATA1N_data || n->u.data.what != DATA1I_text)
146 r = "[Structured/included data]";
151 *len = n->u.data.len;
152 while (*len && isspace(n->u.data.data[*len - 1]))
154 return n->u.data.data;
157 static void memint (char *p, int val, int len)
165 sprintf (buf, "%08d", val);
166 memcpy (p, buf+8-len, len);
170 static int nodetomarc(data1_marctab *p, data1_node *n, int selected,
171 char **buf, int *size)
175 int base_address = 25;
178 data1_node *field, *subf;
180 for (field = n->child; field; field = field->next)
182 if (field->which != DATA1N_tag)
184 logf(LOG_WARN, "Malformed field composition for marc output.");
187 if (selected && !field->u.tag.node_selected)
189 len += 4 + p->length_data_entry + p->length_starting
190 + p->length_implementation;
191 base_address += 3 + p->length_data_entry + p->length_starting
192 + p->length_implementation;
193 if (strncmp(field->u.tag.tag, "00", 2))
194 len += p->indicator_length; /* this is fairly bogus */
195 for (subf = field->child; subf; subf = subf->next)
197 if (subf->which != DATA1N_tag)
200 "Malformed subfield composition for marc output.");
203 if (strncmp(field->u.tag.tag, "00", 2))
204 len += p->identifier_length;
205 get_data(subf, &dlen);
211 *buf = xmalloc(*size = len);
212 else if (*size <= len)
213 *buf = xrealloc(*buf, *size = len);
217 memcpy (op+5, p->record_status, 1);
218 memcpy (op+6, p->implementation_codes, 4);
219 memint (op+10, p->indicator_length, 1);
220 memint (op+11, p->identifier_length, 1);
221 memint (op+12, base_address, 5);
222 memcpy (op+17, p->user_systems, 3);
223 memint (op+20, p->length_data_entry, 1);
224 memint (op+21, p->length_starting, 1);
225 memint (op+22, p->length_implementation, 1);
226 memcpy (op+23, p->future_use, 1);
229 data_p = base_address;
231 for (field = n->child; field; field = field->next)
234 if (selected && !field->u.tag.node_selected)
236 if (strncmp(field->u.tag.tag, "00", 2)) /* bogus */
238 memcpy (op + data_p, " ", p->indicator_length);
239 data_p += p->indicator_length;
241 for (subf = field->child; subf; subf = subf->next)
245 if (strncmp(field->u.tag.tag, "00", 2))
247 op[data_p] = ISO2709_IDFS;
248 memcpy (op + data_p+1, subf->u.tag.tag, p->identifier_length-1);
249 data_p += p->identifier_length;
251 data = get_data(subf, &dlen);
252 memcpy (op + data_p, data, dlen);
255 op[data_p++] = ISO2709_FS;
257 memcpy (op + entry_p, field->u.tag.tag, 3);
259 memint (op + entry_p, data_p - data_0, p->length_data_entry);
260 entry_p += p->length_data_entry;
261 memint (op + entry_p, data_0 - base_address, p->length_starting);
262 entry_p += p->length_starting;
263 entry_p += p->length_implementation;
265 op[entry_p++] = ISO2709_FS;
266 assert (entry_p == base_address);
267 op[data_p++] = ISO2709_RS;
268 assert (data_p == len);
272 char *data1_nodetomarc(data1_marctab *p, data1_node *n, int selected, int *len)
274 static char *buf = 0;
277 *len = nodetomarc(p, n, selected, &buf, &size);