2 * Copyright (c) 1995-1997, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.13 1997-10-27 13:54:18 adam
8 * Changed structure field in data1 node to be simple string which
9 * is "unknown" to the retrieval system itself.
11 * Revision 1.12 1997/09/17 12:10:34 adam
14 * Revision 1.11 1997/09/05 09:50:55 adam
15 * Removed global data1_tabpath - uses data1_get_tabpath() instead.
17 * Revision 1.10 1997/05/14 06:54:01 adam
20 * Revision 1.9 1997/02/19 14:46:15 adam
21 * The "all" specifier only affects elements that are indexed (and not
24 * Revision 1.8 1997/01/02 10:47:59 quinn
25 * Added optional, physical ANY
27 * Revision 1.7 1996/06/10 08:56:01 quinn
30 * Revision 1.6 1996/05/31 13:52:21 quinn
31 * Fixed uninitialized variable for local tags in abstract syntax.
33 * Revision 1.5 1996/05/09 07:27:43 quinn
34 * Multiple local attributes values supported.
36 * Revision 1.4 1996/05/01 12:45:28 quinn
37 * Support use of local tag names in abs file.
39 * Revision 1.3 1995/11/01 16:34:55 quinn
40 * Making data1 look for tables in data1_tabpath
42 * Revision 1.2 1995/11/01 13:54:44 quinn
45 * Revision 1.1 1995/11/01 11:56:06 quinn
46 * Added Retrieval (data management) functions en masse.
63 #define D1_MAX_NESTING 128
65 struct data1_absyn_cache_info
69 data1_absyn_cache next;
72 data1_absyn *data1_absyn_search (data1_handle dh, const char *name)
74 data1_absyn_cache p = *data1_absyn_cache_get (dh);
78 if (!strcmp (name, p->name))
85 data1_absyn *data1_absyn_add (data1_handle dh, const char *name)
88 NMEM mem = data1_nmem_get (dh);
90 data1_absyn_cache p = nmem_malloc (mem, sizeof(*p));
91 data1_absyn_cache *pp = data1_absyn_cache_get (dh);
93 sprintf(fname, "%s.abs", name);
94 p->absyn = data1_read_absyn (dh, fname);
95 p->name = nmem_strdup (mem, name);
101 data1_absyn *data1_get_absyn (data1_handle dh, char *name)
105 if (!(absyn = data1_absyn_search (dh, name)))
106 absyn = data1_absyn_add (dh, name);
110 data1_esetname *data1_getesetbyname(data1_handle dh, data1_absyn *a,
115 for (r = a->esetnames; r; r = r->next)
116 if (!data1_matchstr(r->name, name))
121 data1_element *data1_getelementbytagname (data1_handle dh, data1_absyn *abs,
122 data1_element *parent,
130 r = parent->children;
131 for (; r; r = r->next)
135 for (n = r->tag->names; n; n = n->next)
136 if (!data1_matchstr(tagname, n->name))
142 data1_element *data1_getelementbyname (data1_handle dh, data1_absyn *absyn,
147 for (r = absyn->elements; r; r = r->next)
148 if (!data1_matchstr(r->name, name))
153 data1_absyn *data1_read_absyn (data1_handle dh, const char *file)
155 char line[512], *r, cmd[512], args[512];
156 data1_absyn *res = 0;
158 data1_element **ppl[D1_MAX_NESTING], *cur[D1_MAX_NESTING];
159 data1_esetname **esetpp;
160 data1_maptab **maptabp;
161 data1_marctab **marcp;
162 data1_termlist *all = 0;
165 if (!(f = yaz_path_fopen(data1_get_tabpath (dh), file, "r")))
167 logf(LOG_WARN|LOG_ERRNO, "%s", file);
171 res = nmem_malloc(data1_nmem_get(dh), sizeof(*res));
173 res->reference = VAL_NONE;
179 maptabp = &res->maptabs;
183 ppl[0] = &res->elements;
185 esetpp = &res->esetnames;
189 while ((r = fgets(line, 512, f)))
191 while (*r && isspace(*r))
201 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
203 if (!strcmp(cmd, "elm"))
205 data1_element *new_element;
207 char path[512], name[512], termlists[512], *p;
211 if (sscanf(args, "%511s %511s %511s", path, name, termlists) < 3)
213 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
223 if ((e = strchr(p, '/')))
230 logf(LOG_WARN, "Bad level inc in %s in '%s'", file, args);
235 new_element = cur[level] = *ppl[level] =
236 nmem_malloc(data1_nmem_get(dh), sizeof(*new_element));
237 new_element->next = new_element->children = 0;
238 new_element->tag = 0;
239 new_element->termlists = 0;
240 new_element->parent = level ? cur[level - 1] : 0;
241 tp = &new_element->termlists;
242 ppl[level] = &new_element->next;
243 ppl[level+1] = &new_element->children;
245 /* well-defined tag */
246 if (sscanf(p, "(%d,%d)", &type, &value) == 2)
250 logf(LOG_WARN, "No tagset loaded in %s", file);
254 if (!(new_element->tag = data1_gettagbynum (dh, res->tagset,
257 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
267 new_element->tag = nmem_malloc(data1_nmem_get (dh),
268 sizeof(*new_element->tag));
269 nt->which = DATA1T_string;
270 nt->value.string = xstrdup(p);
271 nt->names = nmem_malloc(data1_nmem_get(dh),
272 sizeof(*new_element->tag->names));
273 nt->names->name = nt->value.string;
275 nt->kind = DATA1K_string;
281 logf(LOG_WARN, "Bad element is %s", file);
286 /* parse termList definitions */
289 new_element->termlists = 0;
294 logf(LOG_WARN, "No attset loaded in %s", file);
300 char attname[512], structure[512];
303 if (!(r = sscanf(p, "%511[^:,]:%511[^,]", attname,
306 logf(LOG_WARN, "Syntax error in termlistspec in %s",
312 strcpy(attname, name);
313 *tp = nmem_malloc(data1_nmem_get(dh), sizeof(**tp));
315 if (!((*tp)->att = data1_getattbyname(dh, res->attset,
318 logf(LOG_WARN, "Couldn't find att '%s' in attset",
323 if (r < 2) /* is the structure qualified? */
324 (*tp)->structure = "w";
327 (*tp)->structure = nmem_malloc (data1_nmem_get (dh),
328 strlen(structure)+1);
329 strcpy ((*tp)->structure, structure);
333 while ((p = strchr(p, ',')) && *(++p));
334 *tp = all; /* append any ALL entries to the list */
337 new_element->name = xstrdup(name);
339 else if (!strcmp(cmd, "all"))
342 data1_termlist **tp = &all;
346 logf(LOG_WARN, "Too many ALL declarations in %s - ignored",
354 logf(LOG_WARN, "No attset loaded in %s", file);
360 char attname[512], structure[512];
363 if (!(r = sscanf(p, "%511[^:,]:%511[^,]", attname,
366 logf(LOG_WARN, "Syntax error in termlistspec in %s",
371 *tp = nmem_malloc(data1_nmem_get(dh), sizeof(**tp));
372 if (!((*tp)->att = data1_getattbyname (dh, res->attset,
375 logf(LOG_WARN, "Couldn't find att '%s' in attset",
380 if (r < 2) /* is the structure qualified? */
381 (*tp)->structure = "w";
384 (*tp)->structure = nmem_malloc (data1_nmem_get (dh),
385 strlen(structure)+1);
386 strcpy ((*tp)->structure, structure);
391 while ((p = strchr(p, ',')) && *(++p));
393 else if (!strcmp(cmd, "name"))
397 if (!sscanf(args, "%s", name))
399 logf(LOG_WARN, "%s malformed name directive in %s", file);
403 res->name = nmem_strdup(data1_nmem_get(dh), args);
405 else if (!strcmp(cmd, "reference"))
409 if (!sscanf(args, "%s", name))
411 logf(LOG_WARN, "%s malformed reference directive in %s", file);
415 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
417 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
422 else if (!strcmp(cmd, "attset"))
426 if (!sscanf(args, "%s", name))
428 logf(LOG_WARN, "%s malformed attset directive in %s", file);
432 if (!(res->attset = data1_read_attset (dh, name)))
434 logf(LOG_WARN, "Attset failed in %s", file);
439 else if (!strcmp(cmd, "tagset"))
443 if (!sscanf(args, "%s", name))
445 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
449 if (!(res->tagset = data1_read_tagset (dh, name)))
451 logf(LOG_WARN, "Tagset failed in %s", file);
456 else if (!strcmp(cmd, "varset"))
460 if (!sscanf(args, "%s", name))
462 logf(LOG_WARN, "%s malformed varset directive in %s", file);
466 if (!(res->varset = data1_read_varset (dh, name)))
468 logf(LOG_WARN, "Varset failed in %s", file);
473 else if (!strcmp(cmd, "esetname"))
475 char name[512], fname[512];
477 if (sscanf(args, "%s %s", name, fname) != 2)
479 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
483 *esetpp = nmem_malloc(data1_nmem_get(dh), sizeof(**esetpp));
484 (*esetpp)->name = nmem_strdup(data1_nmem_get(dh), name);
488 else if (!((*esetpp)->spec = data1_read_espec1 (dh, fname, 0)))
490 logf(LOG_WARN, "%s: Espec-1 read failed", file);
494 esetpp = &(*esetpp)->next;
496 else if (!strcmp(cmd, "maptab"))
500 if (sscanf(args, "%s", name) != 1)
502 logf(LOG_WARN, "%s: One argument required for maptab directive",
506 if (!(*maptabp = data1_read_maptab (dh, name)))
508 logf(LOG_WARN, "%s: Failed to read maptab.");
511 maptabp = &(*maptabp)->next;
513 else if (!strcmp(cmd, "marc"))
517 if (sscanf(args, "%s", name) != 1)
519 logf(LOG_WARN, "%s: One argument required for marc directive",
523 if (!(*marcp = data1_read_marctab (dh, name)))
525 logf(LOG_WARN, "%s: Failed to read marctab.");
528 marcp = &(*marcp)->next;
532 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);