/* CCL qualifiers
* Europagate, 1995
*
- * $Log: cclqual.c,v $
- * Revision 1.14 2000-11-16 09:58:02 adam
- * Implemented local AttributeSet setting for CCL field maps.
+ * $Id: cclqual.c,v 1.16 2001-11-27 22:38:50 adam Exp $
*
- * Revision 1.13 2000/01/31 13:15:21 adam
- * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
- * that some characters are not surrounded by spaces in resulting term.
- * ILL-code updates.
- *
- * Revision 1.12 1999/11/30 13:47:11 adam
- * Improved installation. Moved header files to include/yaz.
- *
- * Revision 1.11 1999/03/31 11:15:37 adam
- * Fixed memory leaks in ccl_find_str and ccl_qual_rm.
- *
- * Revision 1.10 1998/07/07 15:49:40 adam
- * Added braces to avoid warning.
- *
- * Revision 1.9 1998/02/11 11:53:33 adam
- * Changed code so that it compiles as C++.
- *
- * Revision 1.8 1997/09/29 08:56:38 adam
- * Changed CCL parser to be thread safe. New type, CCL_parser, declared
- * and a create/destructers ccl_parser_create/ccl_parser/destory has
- * been added.
- *
- * Revision 1.7 1997/09/01 08:48:12 adam
- * New windows NT/95 port using MSV5.0. Only a few changes made
- * to avoid warnings.
- *
- * Revision 1.6 1997/04/30 08:52:07 quinn
- * Null
- *
- * Revision 1.5 1996/10/11 15:00:25 adam
- * CCL parser from Europagate Email gateway 1.0.
+ * Old Europagate Log:
*
* Revision 1.9 1995/05/16 09:39:27 adam
* LICENSE.
/* Definition of CCL_bibset pointer */
struct ccl_qualifiers {
struct ccl_qualifier *list;
+ struct ccl_qualifier_special *special;
+};
+
+
+/* CCL Qualifier special */
+struct ccl_qualifier_special {
+ char *name;
+ char *value;
+ struct ccl_qualifier_special *next;
};
+
+static struct ccl_qualifier *ccl_qual_lookup (CCL_bibset b,
+ const char *n, size_t len)
+{
+ struct ccl_qualifier *q;
+ for (q = b->list; q; q = q->next)
+ if (len == strlen(q->name) && !memcmp (q->name, n, len))
+ break;
+ return q;
+}
+
+
+void ccl_qual_add_special (CCL_bibset bibset, const char *n, const char *v)
+{
+ struct ccl_qualifier_special *p;
+ const char *pe;
+
+ for (p = bibset->special; p && strcmp(p->name, n); p = p->next)
+ ;
+ if (p)
+ free (p->value);
+ else
+ {
+ p = (struct ccl_qualifier_special *) malloc (sizeof(*p));
+ p->name = ccl_strdup (n);
+ p->value = 0;
+ p->next = bibset->special;
+ bibset->special = p;
+ }
+ while (strchr(" \t", *v))
+ ++v;
+ for (pe = v + strlen(v); pe != v; --pe)
+ if (!strchr(" \n\r\t", pe[-1]))
+ break;
+ p->value = (char*) malloc (pe - v + 1);
+ if (pe - v)
+ memcpy (p->value, v, pe - v);
+ p->value[pe - v] = '\0';
+}
+
+static int next_token(const char **cpp, const char **dst)
+{
+ int len = 0;
+ const char *cp = *cpp;
+ while (*cp && strchr(" \r\n\t\f", *cp))
+ cp++;
+ if (dst)
+ *dst = cp;
+ len = 0;
+ while (*cp && !strchr(" \r\n\t\f", *cp))
+ {
+ cp++;
+ len++;
+ }
+ *cpp = cp;
+ return len;
+}
+
+void ccl_qual_add_combi (CCL_bibset b, const char *n, const char *names)
+{
+ const char *cp, *cp1;
+ int i, len;
+ struct ccl_qualifier *q;
+ for (q = b->list; q && strcmp(q->name, n); q = q->next)
+ ;
+ if (q)
+ return ;
+ q = (struct ccl_qualifier *) malloc (sizeof(*q));
+ q->name = ccl_strdup (n);
+ q->attr_list = 0;
+ q->next = b->list;
+ b->list = q;
+
+ cp = names;
+ for (i = 0; next_token(&cp, 0); i++)
+ ;
+ q->no_sub = i;
+ q->sub = (struct ccl_qualifier **) malloc (sizeof(*q->sub) *
+ (1+q->no_sub));
+ cp = names;
+ for (i = 0; (len = next_token(&cp, &cp1)); i++)
+ {
+ q->sub[i] = ccl_qual_lookup (b, cp1, len);
+ }
+}
+
/*
* ccl_qual_add: Add qualifier to Bibset. If qualifier already
* exists, then attributes are appendend to old
new_qual->next = b->list;
b->list = new_qual;
- new_qual->name = (char *)malloc (strlen(name)+1);
- ccl_assert (new_qual->name);
- strcpy (new_qual->name, name);
+ new_qual->name = ccl_strdup (name);
attrp = &new_qual->attr_list;
+
+ new_qual->no_sub = 0;
+ new_qual->sub = 0;
}
else
{
+ if (q->sub)
+ free (q->sub);
attrp = &q->attr_list;
while (*attrp)
attrp = &(*attrp)->next;
CCL_bibset b = (CCL_bibset)malloc (sizeof(*b));
ccl_assert (b);
b->list = NULL;
+ b->special = NULL;
return b;
}
void ccl_qual_rm (CCL_bibset *b)
{
struct ccl_qualifier *q, *q1;
+ struct ccl_qualifier_special *sp, *sp1;
if (!*b)
return;
}
q1 = q->next;
free (q->name);
+ if (q->sub)
+ free (q->sub);
free (q);
}
+ for (sp = (*b)->special; sp; sp = sp1)
+ {
+ sp1 = sp->next;
+ free (sp->name);
+ free (sp->value);
+ free (sp);
+ }
free (*b);
*b = NULL;
}
* return: Attribute info. NULL if not found.
*/
struct ccl_rpn_attr *ccl_qual_search (CCL_parser cclp,
- const char *name, size_t len)
+ const char *name, size_t len,
+ int seq)
{
struct ccl_qualifier *q;
if (cclp->ccl_case_sensitive)
{
if (!memcmp (name, q->name, len))
- return q->attr_list;
+ break;
}
else
{
if (!ccl_memicmp (name, q->name, len))
- return q->attr_list;
+ break;
}
}
- return NULL;
+ if (q)
+ {
+ if (q->attr_list && seq == 0)
+ return q->attr_list;
+ if (seq < q->no_sub && q->sub[seq])
+ {
+ return q->sub[seq]->attr_list;
+ }
+ }
+ return 0;
}
+const char *ccl_qual_search_special (CCL_bibset b,
+ const char *name)
+{
+ struct ccl_qualifier_special *q;
+ if (!b)
+ return 0;
+ for (q = b->special; q && strcmp(q->name, name); q = q->next)
+ ;
+ if (q)
+ return q->value;
+ return 0;
+}