2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.1 1995-11-01 11:56:06 quinn
8 * Added Retrieval (data management) functions en masse.
25 #define D1_MAX_NESTING 128
26 #define DATA1_MAX_SYNTAXES 30 /* max no of syntaxes to handle in one session */
28 static struct /* cache of abstract syntaxes */
32 } syntaxes[DATA1_MAX_SYNTAXES] = {{0,0}};
34 data1_absyn *data1_get_absyn(char *name)
39 for (i = 0; syntaxes[i].name; i++)
40 if (!strcmp(name, syntaxes[i].name))
41 return syntaxes[i].absyn;
43 if (i >= DATA1_MAX_SYNTAXES - 1)
45 logf(LOG_WARN, "Too many abstract syntaxes loaded");
48 sprintf(fname, "%s.abs", name);
49 if (!(syntaxes[i].absyn = data1_read_absyn(fname)))
51 if (!(syntaxes[i].name = xmalloc(strlen(name)+1)))
53 strcpy(syntaxes[i].name, name);
54 syntaxes[i+1].name = 0;
55 return syntaxes[i].absyn;
58 data1_esetname *data1_getesetbyname(data1_absyn *a, char *name)
62 for (r = a->esetnames; r; r = r->next)
63 if (!data1_matchstr(r->name, name))
68 data1_element *data1_getelementbytagname(data1_absyn *abs,
69 data1_element *parent, char *tagname)
77 for (; r; r = r->next)
81 for (n = r->tag->names; n; n = n->next)
82 if (!data1_matchstr(tagname, n->name))
88 data1_element *data1_getelementbyname(data1_absyn *absyn, char *name)
92 for (r = absyn->elements; r; r = r->next)
93 if (!data1_matchstr(r->name, name))
98 data1_absyn *data1_read_absyn(char *file)
100 char line[512], *r, cmd[512], args[512];
101 data1_absyn *res = 0;
103 data1_element **ppl[D1_MAX_NESTING];
104 data1_esetname **esetpp;
105 data1_maptab **maptabp;
106 data1_marctab **marcp;
109 if (!(f = fopen(file, "r")))
111 logf(LOG_WARN|LOG_ERRNO, "%s", file);
115 if (!(res = xmalloc(sizeof(*res))))
118 res->reference = VAL_NONE;
124 maptabp = &res->maptabs;
128 ppl[0] = &res->elements;
129 esetpp = &res->esetnames;
133 while ((r = fgets(line, 512, f)))
135 while (*r && isspace(*r))
145 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
147 if (!strcmp(cmd, "elm"))
151 char path[512], name[512], att[512], *p;
154 if (sscanf(args, "%s %s %s", path, name, att) < 3)
156 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
166 if ((e = strchr(p, '/')))
173 logf(LOG_WARN, "Bad level inc in %s in '%'", file, args);
178 if (!(new = *ppl[level] = xmalloc(sizeof(*new))))
180 new ->next = new->children = 0;
181 ppl[level] = &new->next;
182 ppl[level+1] = &new->children;
184 if (sscanf(p, "(%d,%d)", &type, &value) < 2)
186 logf(LOG_WARN, "Malformed element '%s' in %s", p, file);
192 logf(LOG_WARN, "No tagset loaded in %s", file);
196 if (!(new->tag = data1_gettagbynum(res->tagset, type, value)))
198 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
211 logf(LOG_WARN, "No attset loaded in %s", file);
215 if (!(new->att = data1_getattbyname(res->attset, att)))
217 logf(LOG_WARN, "Couldn't find att '%s' in attset", att);
222 if (!(new->name = xmalloc(strlen(name)+1)))
224 strcpy(new->name, name);
226 else if (!strcmp(cmd, "name"))
230 if (!sscanf(args, "%s", name))
232 logf(LOG_WARN, "%s malformed name directive in %s", file);
236 if (!(res->name = xmalloc(strlen(args)+1)))
238 strcpy(res->name, name);
240 else if (!strcmp(cmd, "reference"))
244 if (!sscanf(args, "%s", name))
246 logf(LOG_WARN, "%s malformed reference directive in %s", file);
250 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
252 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
257 else if (!strcmp(cmd, "attset"))
261 if (!sscanf(args, "%s", name))
263 logf(LOG_WARN, "%s malformed attset directive in %s", file);
267 if (!(res->attset = data1_read_attset(name)))
269 logf(LOG_WARN, "Attset failed in %s", file);
274 else if (!strcmp(cmd, "tagset"))
278 if (!sscanf(args, "%s", name))
280 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
284 if (!(res->tagset = data1_read_tagset(name)))
286 logf(LOG_WARN, "Tagset failed in %s", file);
291 else if (!strcmp(cmd, "varset"))
295 if (!sscanf(args, "%s", name))
297 logf(LOG_WARN, "%s malformed varset directive in %s", file);
301 if (!(res->varset = data1_read_varset(name)))
303 logf(LOG_WARN, "Varset failed in %s", file);
308 else if (!strcmp(cmd, "esetname"))
310 char name[512], fname[512];
312 if (sscanf(args, "%s %s", name, fname) != 2)
314 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
318 *esetpp = xmalloc(sizeof(**esetpp));
319 (*esetpp)->name = xmalloc(strlen(name)+1);
320 strcpy((*esetpp)->name, name);
323 else if (!((*esetpp)->spec = data1_read_espec1(fname, 0)))
325 logf(LOG_WARN, "%s: Espec-1 read failed", file);
330 esetpp = &(*esetpp)->next;
332 else if (!strcmp(cmd, "maptab"))
336 if (sscanf(args, "%s", name) != 1)
338 logf(LOG_WARN, "%s: One argument required for maptab directive",
342 if (!(*maptabp = data1_read_maptab(name)))
344 logf(LOG_WARN, "%s: Failed to read maptab.");
347 maptabp = &(*maptabp)->next;
349 else if (!strcmp(cmd, "marc"))
353 if (sscanf(args, "%s", name) != 1)
355 logf(LOG_WARN, "%s: One argument required for marc directive",
359 if (!(*marcp = data1_read_marctab(name)))
361 logf(LOG_WARN, "%s: Failed to read marctab.");
364 marcp = &(*marcp)->next;
368 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);