2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.2 1995-11-01 13:54:44 quinn
10 * Revision 1.1 1995/11/01 11:56:06 quinn
11 * Added Retrieval (data management) functions en masse.
28 #define D1_MAX_NESTING 128
29 #define DATA1_MAX_SYNTAXES 30 /* max no of syntaxes to handle in one session */
31 static struct /* cache of abstract syntaxes */
35 } syntaxes[DATA1_MAX_SYNTAXES] = {{0,0}};
37 data1_absyn *data1_get_absyn(char *name)
42 for (i = 0; syntaxes[i].name; i++)
43 if (!strcmp(name, syntaxes[i].name))
44 return syntaxes[i].absyn;
46 if (i >= DATA1_MAX_SYNTAXES - 1)
48 logf(LOG_WARN, "Too many abstract syntaxes loaded");
51 sprintf(fname, "%s.abs", name);
52 if (!(syntaxes[i].absyn = data1_read_absyn(fname)))
54 if (!(syntaxes[i].name = xmalloc(strlen(name)+1)))
56 strcpy(syntaxes[i].name, name);
57 syntaxes[i+1].name = 0;
58 return syntaxes[i].absyn;
61 data1_esetname *data1_getesetbyname(data1_absyn *a, char *name)
65 for (r = a->esetnames; r; r = r->next)
66 if (!data1_matchstr(r->name, name))
71 data1_element *data1_getelementbytagname(data1_absyn *abs,
72 data1_element *parent, char *tagname)
80 for (; r; r = r->next)
84 for (n = r->tag->names; n; n = n->next)
85 if (!data1_matchstr(tagname, n->name))
91 data1_element *data1_getelementbyname(data1_absyn *absyn, char *name)
95 for (r = absyn->elements; r; r = r->next)
96 if (!data1_matchstr(r->name, name))
101 data1_absyn *data1_read_absyn(char *file)
103 char line[512], *r, cmd[512], args[512];
104 data1_absyn *res = 0;
106 data1_element **ppl[D1_MAX_NESTING];
107 data1_esetname **esetpp;
108 data1_maptab **maptabp;
109 data1_marctab **marcp;
112 if (!(f = fopen(file, "r")))
114 logf(LOG_WARN|LOG_ERRNO, "%s", file);
118 if (!(res = xmalloc(sizeof(*res))))
121 res->reference = VAL_NONE;
127 maptabp = &res->maptabs;
131 ppl[0] = &res->elements;
132 esetpp = &res->esetnames;
136 while ((r = fgets(line, 512, f)))
138 while (*r && isspace(*r))
148 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
150 if (!strcmp(cmd, "elm"))
154 char path[512], name[512], att[512], *p;
157 if (sscanf(args, "%s %s %s", path, name, att) < 3)
159 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
169 if ((e = strchr(p, '/')))
176 logf(LOG_WARN, "Bad level inc in %s in '%'", file, args);
181 if (!(new = *ppl[level] = xmalloc(sizeof(*new))))
183 new ->next = new->children = 0;
184 ppl[level] = &new->next;
185 ppl[level+1] = &new->children;
187 if (sscanf(p, "(%d,%d)", &type, &value) < 2)
189 logf(LOG_WARN, "Malformed element '%s' in %s", p, file);
195 logf(LOG_WARN, "No tagset loaded in %s", file);
199 if (!(new->tag = data1_gettagbynum(res->tagset, type, value)))
201 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
214 logf(LOG_WARN, "No attset loaded in %s", file);
218 if (!(new->att = data1_getattbyname(res->attset, att)))
220 logf(LOG_WARN, "Couldn't find att '%s' in attset", att);
225 if (!(new->name = xmalloc(strlen(name)+1)))
227 strcpy(new->name, name);
229 else if (!strcmp(cmd, "name"))
233 if (!sscanf(args, "%s", name))
235 logf(LOG_WARN, "%s malformed name directive in %s", file);
239 if (!(res->name = xmalloc(strlen(args)+1)))
241 strcpy(res->name, name);
243 else if (!strcmp(cmd, "reference"))
247 if (!sscanf(args, "%s", name))
249 logf(LOG_WARN, "%s malformed reference directive in %s", file);
253 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
255 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
260 else if (!strcmp(cmd, "attset"))
264 if (!sscanf(args, "%s", name))
266 logf(LOG_WARN, "%s malformed attset directive in %s", file);
270 if (!(res->attset = data1_read_attset(name)))
272 logf(LOG_WARN, "Attset failed in %s", file);
277 else if (!strcmp(cmd, "tagset"))
281 if (!sscanf(args, "%s", name))
283 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
287 if (!(res->tagset = data1_read_tagset(name)))
289 logf(LOG_WARN, "Tagset failed in %s", file);
294 else if (!strcmp(cmd, "varset"))
298 if (!sscanf(args, "%s", name))
300 logf(LOG_WARN, "%s malformed varset directive in %s", file);
304 if (!(res->varset = data1_read_varset(name)))
306 logf(LOG_WARN, "Varset failed in %s", file);
311 else if (!strcmp(cmd, "esetname"))
313 char name[512], fname[512];
315 if (sscanf(args, "%s %s", name, fname) != 2)
317 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
321 *esetpp = xmalloc(sizeof(**esetpp));
322 (*esetpp)->name = xmalloc(strlen(name)+1);
323 strcpy((*esetpp)->name, name);
326 else if (!((*esetpp)->spec = data1_read_espec1(fname, 0)))
328 logf(LOG_WARN, "%s: Espec-1 read failed", file);
333 esetpp = &(*esetpp)->next;
335 else if (!strcmp(cmd, "maptab"))
339 if (sscanf(args, "%s", name) != 1)
341 logf(LOG_WARN, "%s: One argument required for maptab directive",
345 if (!(*maptabp = data1_read_maptab(name)))
347 logf(LOG_WARN, "%s: Failed to read maptab.");
350 maptabp = &(*maptabp)->next;
352 else if (!strcmp(cmd, "marc"))
356 if (sscanf(args, "%s", name) != 1)
358 logf(LOG_WARN, "%s: One argument required for marc directive",
362 if (!(*marcp = data1_read_marctab(name)))
364 logf(LOG_WARN, "%s: Failed to read marctab.");
367 marcp = &(*marcp)->next;
371 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);