* Sebastian Hammer, Adam Dickmeiss
*
* $Log: d1_absyn.c,v $
- * Revision 1.12 1997-09-17 12:10:34 adam
+ * Revision 1.16 1997-12-18 10:51:30 adam
+ * Implemented sub-trees feature for schemas - including forward
+ * references.
+ *
+ * Revision 1.15 1997/12/09 16:18:16 adam
+ * Work on EXPLAIN schema. First implementation of sub-schema facility
+ * in the *.abs files.
+ *
+ * Revision 1.14 1997/10/31 12:20:09 adam
+ * Improved memory debugging for xmalloc/nmem.c. References to NMEM
+ * instead of ODR in n ESPEC-1 handling in source d1_espec.c.
+ * Bug fix: missing fclose in data1_read_espec1.
+ *
+ * Revision 1.13 1997/10/27 13:54:18 adam
+ * Changed structure field in data1 node to be simple string which
+ * is "unknown" to the retrieval system itself.
+ *
+ * Revision 1.12 1997/09/17 12:10:34 adam
* YAZ version 1.4.
*
* Revision 1.11 1997/09/05 09:50:55 adam
data1_element *r;
if (!parent)
- r = abs->elements;
+ r = abs->main_elements;
else
r = parent->children;
+ assert (abs->main_elements);
for (; r; r = r->next)
{
data1_name *n;
char *name)
{
data1_element *r;
-
- for (r = absyn->elements; r; r = r->next)
+ assert (absyn->main_elements);
+ for (r = absyn->main_elements; r; r = r->next)
if (!data1_matchstr(r->name, name))
return r;
return 0;
}
+
+void fix_element_ref (data1_handle dh, data1_absyn *absyn, data1_element *e)
+{
+ for (; e; e = e->next)
+ {
+ if (!e->sub_name)
+ {
+ if (e->children)
+ fix_element_ref (dh, absyn, e->children);
+ }
+ else
+ {
+ data1_sub_elements *sub_e = absyn->sub_elements;
+ while (sub_e && strcmp (e->sub_name, sub_e->name))
+ sub_e = sub_e->next;
+ if (sub_e)
+ e->children = sub_e->elements;
+ else
+ logf (LOG_WARN, "Unresolved reference to sub-elements %s",
+ e->sub_name);
+ }
+ }
+}
+
data1_absyn *data1_read_absyn (data1_handle dh, const char *file)
{
char line[512], *r, cmd[512], args[512];
+ data1_sub_elements *cur_elements = NULL;
data1_absyn *res = 0;
FILE *f;
- data1_element **ppl[D1_MAX_NESTING], *cur[D1_MAX_NESTING];
+ data1_element **ppl[D1_MAX_NESTING];
data1_esetname **esetpp;
data1_maptab **maptabp;
data1_marctab **marcp;
data1_termlist *all = 0;
- int level = 0;
+ int level;
+ logf (LOG_DEBUG, "begin data1_read_absyn file=%s", file);
if (!(f = yaz_path_fopen(data1_get_tabpath (dh), file, "r")))
{
- logf(LOG_WARN|LOG_ERRNO, "%s", file);
+ logf(LOG_WARN|LOG_ERRNO, "Couldn't open %s", file);
return 0;
}
res->attset = 0;
res->varset = 0;
res->esetnames = 0;
+ esetpp = &res->esetnames;
res->maptabs = 0;
maptabp = &res->maptabs;
res->marc = 0;
marcp = &res->marc;
- res->elements = 0;
- ppl[0] = &res->elements;
- cur[0] = 0;
- esetpp = &res->esetnames;
+
+ res->sub_elements = NULL;
+ res->main_elements = NULL;
for (;;)
{
break;
}
if (!r)
- {
- fclose(f);
- return res;
- }
+ break;
if (sscanf(r, "%s %[^\n]", cmd, args) < 2)
*args = '\0';
if (!strcmp(cmd, "elm"))
{
data1_element *new_element;
int i;
- char path[512], name[512], termlists[512], *p;
+ char path[512], name[512], termlists[512], *p, *sub_p;
int type, value;
data1_termlist **tp;
+ if (!cur_elements)
+ {
+ cur_elements = nmem_malloc(data1_nmem_get(dh),
+ sizeof(*cur_elements));
+ cur_elements->next = res->sub_elements;
+ cur_elements->elements = NULL;
+ cur_elements->name = "main";
+ res->sub_elements = cur_elements;
+
+ level = 0;
+ ppl[level] = &cur_elements->elements;
+ }
if (sscanf(args, "%511s %511s %511s", path, name, termlists) < 3)
{
logf(LOG_WARN, "Bad # of args to elm in %s: '%s'",
return 0;
}
level = i;
- new_element = cur[level] = *ppl[level] =
+ new_element = *ppl[level] =
nmem_malloc(data1_nmem_get(dh), sizeof(*new_element));
new_element->next = new_element->children = 0;
new_element->tag = 0;
new_element->termlists = 0;
- new_element->parent = level ? cur[level - 1] : 0;
+ new_element->sub_name = 0;
+
tp = &new_element->termlists;
ppl[level] = &new_element->next;
ppl[level+1] = &new_element->children;
-
+
+ /* consider subtree (if any) ... */
+ if ((sub_p = strchr (p, ':')) && sub_p[1])
+ {
+ *sub_p++ = '\0';
+ new_element->sub_name =
+ nmem_strdup (data1_nmem_get(dh), sub_p);
+ }
/* well-defined tag */
if (sscanf(p, "(%d,%d)", &type, &value) == 2)
{
new_element->tag = nmem_malloc(data1_nmem_get (dh),
sizeof(*new_element->tag));
nt->which = DATA1T_string;
- nt->value.string = xstrdup(p);
+ nt->value.string = nmem_strdup(data1_nmem_get (dh), p);
nt->names = nmem_malloc(data1_nmem_get(dh),
sizeof(*new_element->tag->names));
nt->names->name = nt->value.string;
fclose(f);
return 0;
}
-
/* parse termList definitions */
p = termlists;
if (*p == '-')
return 0;
}
if (r < 2) /* is the structure qualified? */
- (*tp)->structure = DATA1S_word;
- else if (!data1_matchstr(structure, "w"))
- (*tp)->structure = DATA1S_word;
- else if (!data1_matchstr(structure, "p"))
- (*tp)->structure = DATA1S_phrase;
-
+ (*tp)->structure = "w";
+ else
+ {
+ (*tp)->structure = nmem_malloc (data1_nmem_get (dh),
+ strlen(structure)+1);
+ strcpy ((*tp)->structure, structure);
+ }
tp = &(*tp)->next;
}
while ((p = strchr(p, ',')) && *(++p));
*tp = all; /* append any ALL entries to the list */
}
-
- new_element->name = xstrdup(name);
+ new_element->name = nmem_strdup(data1_nmem_get (dh), name);
+ }
+ else if (!strcmp(cmd, "section"))
+ {
+ char name[512];
+ if (sscanf(args, "%511s", name) < 1)
+ {
+ logf(LOG_WARN, "Bad # of args to sub in %s: '%s'",
+ file, args);
+ continue;
+ }
+ cur_elements = nmem_malloc(data1_nmem_get(dh),
+ sizeof(*cur_elements));
+ cur_elements->next = res->sub_elements;
+ cur_elements->elements = NULL;
+ cur_elements->name = nmem_strdup (data1_nmem_get(dh), name);
+ res->sub_elements = cur_elements;
+
+ level = 0;
+ ppl[level] = &cur_elements->elements;
}
else if (!strcmp(cmd, "all"))
{
return 0;
}
if (r < 2) /* is the structure qualified? */
- (*tp)->structure = DATA1S_word;
- else if (!data1_matchstr(structure, "w"))
- (*tp)->structure = DATA1S_word;
- else if (!data1_matchstr(structure, "p"))
- (*tp)->structure = DATA1S_phrase;
-
+ (*tp)->structure = "w";
+ else
+ {
+ (*tp)->structure = nmem_malloc (data1_nmem_get (dh),
+ strlen(structure)+1);
+ strcpy ((*tp)->structure, structure);
+ }
(*tp)->next = 0;
tp = &(*tp)->next;
}
{
char name[512];
- if (!sscanf(args, "%s", name))
+ if (!sscanf(args, "%511s", name))
{
- logf(LOG_WARN, "%s malformed name directive in %s", file);
+ logf(LOG_WARN, "Malformed name directive in %s", file);
fclose(f);
return 0;
}
- res->name = nmem_strdup(data1_nmem_get(dh), args);
+ res->name = nmem_strdup(data1_nmem_get(dh), name);
}
else if (!strcmp(cmd, "reference"))
{
if (!sscanf(args, "%s", name))
{
- logf(LOG_WARN, "%s malformed reference directive in %s", file);
+ logf(LOG_WARN, "Malformed reference in %s", file);
fclose(f);
return 0;
}
if (!sscanf(args, "%s", name))
{
- logf(LOG_WARN, "%s malformed attset directive in %s", file);
+ logf(LOG_WARN, "Malformed attset directive in %s", file);
fclose(f);
return 0;
}
if (!sscanf(args, "%s", name))
{
- logf(LOG_WARN, "%s malformed tagset directive in %s", file);
+ logf(LOG_WARN, "Malformed tagset directive in %s", file);
fclose(f);
return 0;
}
if (!sscanf(args, "%s", name))
{
- logf(LOG_WARN, "%s malformed varset directive in %s", file);
+ logf(LOG_WARN, "Malformed varset directive in %s", file);
fclose(f);
return 0;
}
if (sscanf(args, "%s %s", name, fname) != 2)
{
- logf(LOG_WARN, "%s: Two arg's required for esetname directive");
+ logf(LOG_WARN, "Two arg's required for esetname in %s",
+ file);
fclose(f);
return 0;
}
(*esetpp)->next = 0;
if (*fname == '@')
(*esetpp)->spec = 0;
- else if (!((*esetpp)->spec = data1_read_espec1 (dh, fname, 0)))
+ else if (!((*esetpp)->spec = data1_read_espec1 (dh, fname)))
{
logf(LOG_WARN, "%s: Espec-1 read failed", file);
fclose(f);
if (sscanf(args, "%s", name) != 1)
{
- logf(LOG_WARN, "%s: One argument required for maptab directive",
- file);
+ logf(LOG_WARN, "One argument for maptab directive in %s",
+ file);
continue;
}
if (!(*maptabp = data1_read_maptab (dh, name)))
{
- logf(LOG_WARN, "%s: Failed to read maptab.");
+ logf(LOG_WARN, "Failed to read maptab %s in %s",
+ name, file);
continue;
}
maptabp = &(*maptabp)->next;
if (sscanf(args, "%s", name) != 1)
{
- logf(LOG_WARN, "%s: One argument required for marc directive",
+ logf(LOG_WARN, "One argument for marc directive in %s",
file);
continue;
}
if (!(*marcp = data1_read_marctab (dh, name)))
{
- logf(LOG_WARN, "%s: Failed to read marctab.");
+ logf(LOG_WARN, "%Failed to read marctab %s in %s",
+ name, file);
continue;
}
marcp = &(*marcp)->next;
return 0;
}
}
+ fclose(f);
+
+ for (cur_elements = res->sub_elements; cur_elements;
+ cur_elements = cur_elements->next)
+ {
+ if (!strcmp (cur_elements->name, "main"))
+ res->main_elements = cur_elements->elements;
+ fix_element_ref (dh, res, cur_elements->elements);
+ }
+ logf (LOG_DEBUG, "end data1_read_absyn file=%s", file);
+ return res;
}