2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.5 1996-05-09 07:27:43 quinn
8 * Multiple local attributes values supported.
10 * Revision 1.4 1996/05/01 12:45:28 quinn
11 * Support use of local tag names in abs file.
13 * Revision 1.3 1995/11/01 16:34:55 quinn
14 * Making data1 look for tables in data1_tabpath
16 * Revision 1.2 1995/11/01 13:54:44 quinn
19 * Revision 1.1 1995/11/01 11:56:06 quinn
20 * Added Retrieval (data management) functions en masse.
38 #define D1_MAX_NESTING 128
39 #define DATA1_MAX_SYNTAXES 30 /* max no of syntaxes to handle in one session */
41 static struct /* cache of abstract syntaxes */
45 } syntaxes[DATA1_MAX_SYNTAXES] = {{0,0}};
47 data1_absyn *data1_get_absyn(char *name)
52 for (i = 0; syntaxes[i].name; i++)
53 if (!strcmp(name, syntaxes[i].name))
54 return syntaxes[i].absyn;
56 if (i >= DATA1_MAX_SYNTAXES - 1)
58 logf(LOG_WARN, "Too many abstract syntaxes loaded");
61 sprintf(fname, "%s.abs", name);
62 if (!(syntaxes[i].absyn = data1_read_absyn(fname)))
64 if (!(syntaxes[i].name = xmalloc(strlen(name)+1)))
66 strcpy(syntaxes[i].name, name);
67 syntaxes[i+1].name = 0;
68 return syntaxes[i].absyn;
71 data1_esetname *data1_getesetbyname(data1_absyn *a, char *name)
75 for (r = a->esetnames; r; r = r->next)
76 if (!data1_matchstr(r->name, name))
81 data1_element *data1_getelementbytagname(data1_absyn *abs,
82 data1_element *parent, char *tagname)
90 for (; r; r = r->next)
94 for (n = r->tag->names; n; n = n->next)
95 if (!data1_matchstr(tagname, n->name))
101 data1_element *data1_getelementbyname(data1_absyn *absyn, char *name)
105 for (r = absyn->elements; r; r = r->next)
106 if (!data1_matchstr(r->name, name))
111 data1_absyn *data1_read_absyn(char *file)
113 char line[512], *r, cmd[512], args[512];
114 data1_absyn *res = 0;
116 data1_element **ppl[D1_MAX_NESTING];
117 data1_esetname **esetpp;
118 data1_maptab **maptabp;
119 data1_marctab **marcp;
122 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
124 logf(LOG_WARN|LOG_ERRNO, "%s", file);
128 if (!(res = xmalloc(sizeof(*res))))
131 res->reference = VAL_NONE;
137 maptabp = &res->maptabs;
141 ppl[0] = &res->elements;
142 esetpp = &res->esetnames;
146 while ((r = fgets(line, 512, f)))
148 while (*r && isspace(*r))
158 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
160 if (!strcmp(cmd, "elm"))
164 char path[512], name[512], termlists[512], *p;
168 if (sscanf(args, "%s %s %s", path, name, termlists) < 3)
170 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
180 if ((e = strchr(p, '/')))
187 logf(LOG_WARN, "Bad level inc in %s in '%'", file, args);
192 if (!(new = *ppl[level] = xmalloc(sizeof(*new))))
194 new->next = new->children = 0;
197 tp = &new->termlists;
198 ppl[level] = &new->next;
199 ppl[level+1] = &new->children;
201 /* well-defined tag */
202 if (sscanf(p, "(%d,%d)", &type, &value) == 2)
206 logf(LOG_WARN, "No tagset loaded in %s", file);
210 if (!(new->tag = data1_gettagbynum(res->tagset, type, value)))
212 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
221 data1_tag *nt = new->tag = xmalloc(sizeof(*new->tag));
222 nt->which = DATA1T_string;
223 nt->value.string = xstrdup(p);
224 nt->names = xmalloc(sizeof(*new->tag->names));
225 nt->names->name = nt->value.string;
227 nt->kind = DATA1K_string;
231 logf(LOG_WARN, "Bad element is %s", file);
236 /* parse termList definitions */
244 logf(LOG_WARN, "No attset loaded in %s", file);
250 char attname[512], structure[512];
253 if (!(r = sscanf(p, "%511[^:,]:%511[^,]", attname,
256 logf(LOG_WARN, "Syntax error in termlistspec in %s",
262 strcpy(attname, name);
263 *tp = xmalloc(sizeof(**tp));
264 if (!((*tp)->att = data1_getattbyname(res->attset,
267 logf(LOG_WARN, "Couldn't find att '%s' in attset",
272 if (r < 2) /* is the structure qualified? */
273 (*tp)->structure = DATA1S_word;
274 else if (!data1_matchstr(structure, "w"))
275 (*tp)->structure = DATA1S_word;
276 else if (!data1_matchstr(structure, "p"))
277 (*tp)->structure = DATA1S_phrase;
282 while ((p = strchr(p, ',')) && *(++p));
285 new->name = xstrdup(name);
287 else if (!strcmp(cmd, "name"))
291 if (!sscanf(args, "%s", name))
293 logf(LOG_WARN, "%s malformed name directive in %s", file);
297 if (!(res->name = xmalloc(strlen(args)+1)))
299 strcpy(res->name, name);
301 else if (!strcmp(cmd, "reference"))
305 if (!sscanf(args, "%s", name))
307 logf(LOG_WARN, "%s malformed reference directive in %s", file);
311 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
313 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
318 else if (!strcmp(cmd, "attset"))
322 if (!sscanf(args, "%s", name))
324 logf(LOG_WARN, "%s malformed attset directive in %s", file);
328 if (!(res->attset = data1_read_attset(name)))
330 logf(LOG_WARN, "Attset failed in %s", file);
335 else if (!strcmp(cmd, "tagset"))
339 if (!sscanf(args, "%s", name))
341 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
345 if (!(res->tagset = data1_read_tagset(name)))
347 logf(LOG_WARN, "Tagset failed in %s", file);
352 else if (!strcmp(cmd, "varset"))
356 if (!sscanf(args, "%s", name))
358 logf(LOG_WARN, "%s malformed varset directive in %s", file);
362 if (!(res->varset = data1_read_varset(name)))
364 logf(LOG_WARN, "Varset failed in %s", file);
369 else if (!strcmp(cmd, "esetname"))
371 char name[512], fname[512];
373 if (sscanf(args, "%s %s", name, fname) != 2)
375 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
379 *esetpp = xmalloc(sizeof(**esetpp));
380 (*esetpp)->name = xmalloc(strlen(name)+1);
381 strcpy((*esetpp)->name, name);
384 else if (!((*esetpp)->spec = data1_read_espec1(fname, 0)))
386 logf(LOG_WARN, "%s: Espec-1 read failed", file);
391 esetpp = &(*esetpp)->next;
393 else if (!strcmp(cmd, "maptab"))
397 if (sscanf(args, "%s", name) != 1)
399 logf(LOG_WARN, "%s: One argument required for maptab directive",
403 if (!(*maptabp = data1_read_maptab(name)))
405 logf(LOG_WARN, "%s: Failed to read maptab.");
408 maptabp = &(*maptabp)->next;
410 else if (!strcmp(cmd, "marc"))
414 if (sscanf(args, "%s", name) != 1)
416 logf(LOG_WARN, "%s: One argument required for marc directive",
420 if (!(*marcp = data1_read_marctab(name)))
422 logf(LOG_WARN, "%s: Failed to read marctab.");
425 marcp = &(*marcp)->next;
429 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);