2 * Copyright (c) 1995, Index Data.
3 * See the file LICENSE for details.
4 * Sebastian Hammer, Adam Dickmeiss
7 * Revision 1.3 1995-11-01 16:34:55 quinn
8 * Making data1 look for tables in data1_tabpath
10 * Revision 1.2 1995/11/01 13:54:44 quinn
13 * Revision 1.1 1995/11/01 11:56:06 quinn
14 * Added Retrieval (data management) functions en masse.
32 #define D1_MAX_NESTING 128
33 #define DATA1_MAX_SYNTAXES 30 /* max no of syntaxes to handle in one session */
35 static struct /* cache of abstract syntaxes */
39 } syntaxes[DATA1_MAX_SYNTAXES] = {{0,0}};
41 data1_absyn *data1_get_absyn(char *name)
46 for (i = 0; syntaxes[i].name; i++)
47 if (!strcmp(name, syntaxes[i].name))
48 return syntaxes[i].absyn;
50 if (i >= DATA1_MAX_SYNTAXES - 1)
52 logf(LOG_WARN, "Too many abstract syntaxes loaded");
55 sprintf(fname, "%s.abs", name);
56 if (!(syntaxes[i].absyn = data1_read_absyn(fname)))
58 if (!(syntaxes[i].name = xmalloc(strlen(name)+1)))
60 strcpy(syntaxes[i].name, name);
61 syntaxes[i+1].name = 0;
62 return syntaxes[i].absyn;
65 data1_esetname *data1_getesetbyname(data1_absyn *a, char *name)
69 for (r = a->esetnames; r; r = r->next)
70 if (!data1_matchstr(r->name, name))
75 data1_element *data1_getelementbytagname(data1_absyn *abs,
76 data1_element *parent, char *tagname)
84 for (; r; r = r->next)
88 for (n = r->tag->names; n; n = n->next)
89 if (!data1_matchstr(tagname, n->name))
95 data1_element *data1_getelementbyname(data1_absyn *absyn, char *name)
99 for (r = absyn->elements; r; r = r->next)
100 if (!data1_matchstr(r->name, name))
105 data1_absyn *data1_read_absyn(char *file)
107 char line[512], *r, cmd[512], args[512];
108 data1_absyn *res = 0;
110 data1_element **ppl[D1_MAX_NESTING];
111 data1_esetname **esetpp;
112 data1_maptab **maptabp;
113 data1_marctab **marcp;
116 if (!(f = yaz_path_fopen(data1_tabpath, file, "r")))
118 logf(LOG_WARN|LOG_ERRNO, "%s", file);
122 if (!(res = xmalloc(sizeof(*res))))
125 res->reference = VAL_NONE;
131 maptabp = &res->maptabs;
135 ppl[0] = &res->elements;
136 esetpp = &res->esetnames;
140 while ((r = fgets(line, 512, f)))
142 while (*r && isspace(*r))
152 if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
154 if (!strcmp(cmd, "elm"))
158 char path[512], name[512], att[512], *p;
161 if (sscanf(args, "%s %s %s", path, name, att) < 3)
163 logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
173 if ((e = strchr(p, '/')))
180 logf(LOG_WARN, "Bad level inc in %s in '%'", file, args);
185 if (!(new = *ppl[level] = xmalloc(sizeof(*new))))
187 new ->next = new->children = 0;
188 ppl[level] = &new->next;
189 ppl[level+1] = &new->children;
191 if (sscanf(p, "(%d,%d)", &type, &value) < 2)
193 logf(LOG_WARN, "Malformed element '%s' in %s", p, file);
199 logf(LOG_WARN, "No tagset loaded in %s", file);
203 if (!(new->tag = data1_gettagbynum(res->tagset, type, value)))
205 logf(LOG_WARN, "Couldn't find tag %s in tagset in %s",
218 logf(LOG_WARN, "No attset loaded in %s", file);
222 if (!(new->att = data1_getattbyname(res->attset, att)))
224 logf(LOG_WARN, "Couldn't find att '%s' in attset", att);
229 if (!(new->name = xmalloc(strlen(name)+1)))
231 strcpy(new->name, name);
233 else if (!strcmp(cmd, "name"))
237 if (!sscanf(args, "%s", name))
239 logf(LOG_WARN, "%s malformed name directive in %s", file);
243 if (!(res->name = xmalloc(strlen(args)+1)))
245 strcpy(res->name, name);
247 else if (!strcmp(cmd, "reference"))
251 if (!sscanf(args, "%s", name))
253 logf(LOG_WARN, "%s malformed reference directive in %s", file);
257 if ((res->reference = oid_getvalbyname(name)) == VAL_NONE)
259 logf(LOG_WARN, "Unknown tagset ref '%s' in %s", name, file);
264 else if (!strcmp(cmd, "attset"))
268 if (!sscanf(args, "%s", name))
270 logf(LOG_WARN, "%s malformed attset directive in %s", file);
274 if (!(res->attset = data1_read_attset(name)))
276 logf(LOG_WARN, "Attset failed in %s", file);
281 else if (!strcmp(cmd, "tagset"))
285 if (!sscanf(args, "%s", name))
287 logf(LOG_WARN, "%s malformed tagset directive in %s", file);
291 if (!(res->tagset = data1_read_tagset(name)))
293 logf(LOG_WARN, "Tagset failed in %s", file);
298 else if (!strcmp(cmd, "varset"))
302 if (!sscanf(args, "%s", name))
304 logf(LOG_WARN, "%s malformed varset directive in %s", file);
308 if (!(res->varset = data1_read_varset(name)))
310 logf(LOG_WARN, "Varset failed in %s", file);
315 else if (!strcmp(cmd, "esetname"))
317 char name[512], fname[512];
319 if (sscanf(args, "%s %s", name, fname) != 2)
321 logf(LOG_WARN, "%s: Two arg's required for esetname directive");
325 *esetpp = xmalloc(sizeof(**esetpp));
326 (*esetpp)->name = xmalloc(strlen(name)+1);
327 strcpy((*esetpp)->name, name);
330 else if (!((*esetpp)->spec = data1_read_espec1(fname, 0)))
332 logf(LOG_WARN, "%s: Espec-1 read failed", file);
337 esetpp = &(*esetpp)->next;
339 else if (!strcmp(cmd, "maptab"))
343 if (sscanf(args, "%s", name) != 1)
345 logf(LOG_WARN, "%s: One argument required for maptab directive",
349 if (!(*maptabp = data1_read_maptab(name)))
351 logf(LOG_WARN, "%s: Failed to read maptab.");
354 maptabp = &(*maptabp)->next;
356 else if (!strcmp(cmd, "marc"))
360 if (sscanf(args, "%s", name) != 1)
362 logf(LOG_WARN, "%s: One argument required for marc directive",
366 if (!(*marcp = data1_read_marctab(name)))
368 logf(LOG_WARN, "%s: Failed to read marctab.");
371 marcp = &(*marcp)->next;
375 logf(LOG_WARN, "Unknown directive '%s' in %s", cmd, file);