2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.6 1996-05-31 13:52:21 quinn
8 * Fixed uninitialized variable for local tags in abstract syntax.
10 * Revision 1.5 1996/05/09 07:27:43 quinn
11 * Multiple local attributes values supported.
13 * Revision 1.4 1996/05/01 12:45:28 quinn
14 * Support use of local tag names in abs file.
16 * Revision 1.3 1995/11/01 16:34:55 quinn
17 * Making data1 look for tables in data1_tabpath
19 * Revision 1.2 1995/11/01 13:54:44 quinn
22 * Revision 1.1 1995/11/01 11:56:06 quinn
23 * Added Retrieval (data management) functions en masse.
41 #define D1_MAX_NESTING 128
42 #define DATA1_MAX_SYNTAXES 30 /* max no of syntaxes to handle in one session */
44 static struct /* cache of abstract syntaxes */
48 } syntaxes[DATA1_MAX_SYNTAXES] = {{0,0}};
50 data1_absyn *data1_get_absyn(char *name)
55 for (i = 0; syntaxes[i].name; i++)
56 if (!strcmp(name, syntaxes[i].name))
57 return syntaxes[i].absyn;
59 if (i >= DATA1_MAX_SYNTAXES - 1)
61 logf(LOG_WARN, "Too many abstract syntaxes loaded");
64 sprintf(fname, "%s.abs", name);
65 if (!(syntaxes[i].absyn = data1_read_absyn(fname)))
67 if (!(syntaxes[i].name = xmalloc(strlen(name)+1)))
69 strcpy(syntaxes[i].name, name);
70 syntaxes[i+1].name = 0;
71 return syntaxes[i].absyn;
74 data1_esetname *data1_getesetbyname(data1_absyn *a, char *name)
78 for (r = a->esetnames; r; r = r->next)
79 if (!data1_matchstr(r->name, name))
84 data1_element *data1_getelementbytagname(data1_absyn *abs,
85 data1_element *parent, char *tagname)
93 for (; r; r = r->next)
97 for (n = r->tag->names; n; n = n->next)
98 if (!data1_matchstr(tagname, n->name))
104 data1_element *data1_getelementbyname(data1_absyn *absyn, char *name)
108 for (r = absyn->elements; r; r = r->next)
109 if (!data1_matchstr(r->name, name))
114 data1_absyn *data1_read_absyn(char *file)
116 char line[512], *r, cmd[512], args[512];
117 data1_absyn *res = 0;
119 data1_element **ppl[D1_MAX_NESTING];
120 data1_esetname **esetpp;
121 data1_maptab **maptabp;
122 data1_marctab **marcp;
125 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
127 logf(LOG_WARN|LOG_ERRNO, "%s", file);
131 if (!(res = xmalloc(sizeof(*res))))
134 res->reference = VAL_NONE;
140 maptabp = &res->maptabs;
144 ppl[0] = &res->elements;
145 esetpp = &res->esetnames;
149 while ((r = fgets(line, 512, f)))
151 while (*r && isspace(*r))
161 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
163 if (!strcmp(cmd, "elm"))
167 char path[512], name[512], termlists[512], *p;
171 if (sscanf(args, "%s %s %s", path, name, termlists) < 3)
173 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
183 if ((e = strchr(p, '/')))
190 logf(LOG_WARN, "Bad level inc in %s in '%'", file, args);
195 if (!(new = *ppl[level] = xmalloc(sizeof(*new))))
197 new->next = new->children = 0;
200 tp = &new->termlists;
201 ppl[level] = &new->next;
202 ppl[level+1] = &new->children;
204 /* well-defined tag */
205 if (sscanf(p, "(%d,%d)", &type, &value) == 2)
209 logf(LOG_WARN, "No tagset loaded in %s", file);
213 if (!(new->tag = data1_gettagbynum(res->tagset, type, value)))
215 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
224 data1_tag *nt = new->tag = xmalloc(sizeof(*new->tag));
225 nt->which = DATA1T_string;
226 nt->value.string = xstrdup(p);
227 nt->names = xmalloc(sizeof(*new->tag->names));
228 nt->names->name = nt->value.string;
230 nt->kind = DATA1K_string;
236 logf(LOG_WARN, "Bad element is %s", file);
241 /* parse termList definitions */
249 logf(LOG_WARN, "No attset loaded in %s", file);
255 char attname[512], structure[512];
258 if (!(r = sscanf(p, "%511[^:,]:%511[^,]", attname,
261 logf(LOG_WARN, "Syntax error in termlistspec in %s",
267 strcpy(attname, name);
268 *tp = xmalloc(sizeof(**tp));
269 if (!((*tp)->att = data1_getattbyname(res->attset,
272 logf(LOG_WARN, "Couldn't find att '%s' in attset",
277 if (r < 2) /* is the structure qualified? */
278 (*tp)->structure = DATA1S_word;
279 else if (!data1_matchstr(structure, "w"))
280 (*tp)->structure = DATA1S_word;
281 else if (!data1_matchstr(structure, "p"))
282 (*tp)->structure = DATA1S_phrase;
287 while ((p = strchr(p, ',')) && *(++p));
290 new->name = xstrdup(name);
292 else if (!strcmp(cmd, "name"))
296 if (!sscanf(args, "%s", name))
298 logf(LOG_WARN, "%s malformed name directive in %s", file);
302 if (!(res->name = xmalloc(strlen(args)+1)))
304 strcpy(res->name, name);
306 else if (!strcmp(cmd, "reference"))
310 if (!sscanf(args, "%s", name))
312 logf(LOG_WARN, "%s malformed reference directive in %s", file);
316 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
318 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
323 else if (!strcmp(cmd, "attset"))
327 if (!sscanf(args, "%s", name))
329 logf(LOG_WARN, "%s malformed attset directive in %s", file);
333 if (!(res->attset = data1_read_attset(name)))
335 logf(LOG_WARN, "Attset failed in %s", file);
340 else if (!strcmp(cmd, "tagset"))
344 if (!sscanf(args, "%s", name))
346 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
350 if (!(res->tagset = data1_read_tagset(name)))
352 logf(LOG_WARN, "Tagset failed in %s", file);
357 else if (!strcmp(cmd, "varset"))
361 if (!sscanf(args, "%s", name))
363 logf(LOG_WARN, "%s malformed varset directive in %s", file);
367 if (!(res->varset = data1_read_varset(name)))
369 logf(LOG_WARN, "Varset failed in %s", file);
374 else if (!strcmp(cmd, "esetname"))
376 char name[512], fname[512];
378 if (sscanf(args, "%s %s", name, fname) != 2)
380 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
384 *esetpp = xmalloc(sizeof(**esetpp));
385 (*esetpp)->name = xmalloc(strlen(name)+1);
386 strcpy((*esetpp)->name, name);
389 else if (!((*esetpp)->spec = data1_read_espec1(fname, 0)))
391 logf(LOG_WARN, "%s: Espec-1 read failed", file);
396 esetpp = &(*esetpp)->next;
398 else if (!strcmp(cmd, "maptab"))
402 if (sscanf(args, "%s", name) != 1)
404 logf(LOG_WARN, "%s: One argument required for maptab directive",
408 if (!(*maptabp = data1_read_maptab(name)))
410 logf(LOG_WARN, "%s: Failed to read maptab.");
413 maptabp = &(*maptabp)->next;
415 else if (!strcmp(cmd, "marc"))
419 if (sscanf(args, "%s", name) != 1)
421 logf(LOG_WARN, "%s: One argument required for marc directive",
425 if (!(*marcp = data1_read_marctab(name)))
427 logf(LOG_WARN, "%s: Failed to read marctab.");
430 marcp = &(*marcp)->next;
434 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);