2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.3 1995-11-01 16:34:57 quinn
8 * Making data1 look for tables in data1_tabpath
10 * Revision 1.2 1995/11/01 13:54:48 quinn
13 * Revision 1.1 1995/11/01 11:56:08 quinn
14 * Added Retrieval (data management) functions en masse.
31 #define ISO2709_RS 035
32 #define ISO2709_FS 036
33 #define ISO2709_IDFS 037
35 data1_marctab *data1_read_marctab(char *file)
38 data1_marctab *res = xmalloc(sizeof(*res));
39 char line[512], *argv[50];
42 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
44 logf(LOG_WARN|LOG_ERRNO, "%s", file);
49 res->reference = VAL_NONE;
51 res->length_data_entry = 4;
52 res->length_starting = 5;
53 res->length_implementation = 0;
54 strcpy(res->future_use, "4");
56 strcpy(res->record_status, "n");
57 strcpy(res->implementation_codes, " ");
58 res->indicator_length = 2;
59 res->identifier_length = 2;
60 strcpy(res->user_systems, "z ");
62 while ((argc = readconf_line(f, line, 512, argv, 50)))
63 if (!strcmp(argv[0], "name"))
67 logf(LOG_WARN, "%s: Bad name directive");
70 res->name = xmalloc(strlen(argv[1])+1);
71 strcpy(res->name, argv[1]);
73 else if (!strcmp(argv[0], "reference"))
77 logf(LOG_WARN, "%s: Bad name directive");
80 if ((res->reference = oid_getvalbyname(argv[1])) == VAL_NONE)
82 logf(LOG_WARN, "%s: Unknown tagset ref '%s' in %s", file,
87 else if (!strcmp(argv[0], "length-data-entry"))
91 logf(LOG_WARN, "%s: Bad data-length-entry");
94 res->length_data_entry = atoi(argv[1]);
96 else if (!strcmp(argv[0], "length-starting"))
100 logf(LOG_WARN, "%s: Bad length-starting");
103 res->length_starting = atoi(argv[1]);
105 else if (!strcmp(argv[0], "length-implementation"))
109 logf(LOG_WARN, "%s: Bad length-implentation");
112 res->length_implementation = atoi(argv[1]);
114 else if (!strcmp(argv[0], "future-use"))
118 logf(LOG_WARN, "%s: Bad future-use");
121 strncpy(res->future_use, argv[1], 2);
124 logf(LOG_WARN, "%s: Bad directive '%s'", file, argv[0]);
131 * Locate some data under this node. This routine should handle variants
134 static char *get_data(data1_node *n, int *len)
138 while (n->which != DATA1N_data && n->child)
140 if (n->which != DATA1N_data || n->u.data.what != DATA1I_text)
142 r = "[Structured/included data]";
147 *len = n->u.data.len;
148 return n->u.data.data;
151 static void memint (char *p, int val, int len)
159 sprintf (buf, "%08d", val);
160 memcpy (p, buf+8-len, len);
164 static int nodetomarc(data1_marctab *p, data1_node *n, int selected,
165 char **buf, int *size)
169 int base_address = 25;
172 data1_node *field, *subf;
174 for (field = n->child; field; field = field->next)
176 if (field->which != DATA1N_tag)
178 logf(LOG_WARN, "Malformed field composition for marc output.");
181 if (selected && !field->u.tag.node_selected)
183 len += 4 + p->length_data_entry + p->length_starting
184 + p->length_implementation;
185 base_address += 3 + p->length_data_entry + p->length_starting
186 + p->length_implementation;
187 if (strncmp(field->u.tag.tag, "00", 2))
188 len += p->indicator_length; /* this is fairly bogus */
189 for (subf = field->child; subf; subf = subf->next)
191 if (subf->which != DATA1N_tag)
194 "Malformed subfield composition for marc output.");
197 if (strncmp(field->u.tag.tag, "00", 2))
198 len += p->identifier_length;
199 get_data(subf, &dlen);
205 *buf = xmalloc(*size = len);
206 else if (*size <= len)
207 *buf = xrealloc(*buf, *size = len);
211 memcpy (op+5, p->record_status, 1);
212 memcpy (op+6, p->implementation_codes, 4);
213 memint (op+10, p->indicator_length, 1);
214 memint (op+11, p->identifier_length, 1);
215 memint (op+12, base_address, 5);
216 memcpy (op+17, p->user_systems, 3);
217 memint (op+20, p->length_data_entry, 1);
218 memint (op+21, p->length_starting, 1);
219 memint (op+22, p->length_implementation, 1);
220 memcpy (op+23, p->future_use, 1);
223 data_p = base_address;
225 for (field = n->child; field; field = field->next)
228 if (selected && !field->u.tag.node_selected)
230 if (strncmp(field->u.tag.tag, "00", 2)) /* bogus */
232 memcpy (op + data_p, " ", p->indicator_length);
233 data_p += p->indicator_length;
235 for (subf = field->child; subf; subf = subf->next)
239 if (strncmp(field->u.tag.tag, "00", 2))
241 op[data_p] = ISO2709_IDFS;
242 memcpy (op + data_p+1, subf->u.tag.tag, p->identifier_length-1);
243 data_p += p->identifier_length;
245 data = get_data(subf, &dlen);
246 memcpy (op + data_p, data, dlen);
249 op[data_p++] = ISO2709_FS;
251 memcpy (op + entry_p, field->u.tag.tag, 3);
253 memint (op + entry_p, data_p - data_0, p->length_data_entry);
254 entry_p += p->length_data_entry;
255 memint (op + entry_p, data_0 - base_address, p->length_starting);
256 entry_p += p->length_starting;
257 entry_p += p->length_implementation;
259 op[entry_p++] = ISO2709_FS;
260 assert (entry_p == base_address);
261 op[data_p++] = ISO2709_RS;
262 assert (data_p == len);
266 char *data1_nodetomarc(data1_marctab *p, data1_node *n, int selected, int *len)
268 static char *buf = 0;
271 *len = nodetomarc(p, n, selected, &buf, &size);