+/*
+ * Copyright (c) 1995, the EUROPAGATE consortium (see below).
+ *
+ * The EUROPAGATE consortium members are:
+ *
+ * University College Dublin
+ * Danmarks Teknologiske Videnscenter
+ * An Chomhairle Leabharlanna
+ * Consejo Superior de Investigaciones Cientificas
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation, in whole or in part, for any purpose, is hereby granted,
+ * provided that:
+ *
+ * 1. This copyright and permission notice appear in all copies of the
+ * software and its documentation. Notices of copyright or attribution
+ * which appear at the beginning of any file must remain unchanged.
+ *
+ * 2. The names of EUROPAGATE or the project partners may not be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * 3. Users of this software (implementors and gateway operators) agree to
+ * inform the EUROPAGATE consortium of their use of the software. This
+ * information will be used to evaluate the EUROPAGATE project and the
+ * software, and to plan further developments. The consortium may use
+ * the information in later publications.
+ *
+ * 4. Users of this software agree to make their best efforts, when
+ * documenting their use of the software, to acknowledge the EUROPAGATE
+ * consortium, and the role played by the software in their work.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
+ * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
+ * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+ * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
+ * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
/* CCL qualifiers
* Europagate, 1995
*
- * $Log: cclqual.c,v $
- * Revision 1.1 1995-04-10 10:28:20 quinn
- * Added copy of CCL.
+ * $Id: cclqual.c,v 1.16 2001-11-27 22:38:50 adam Exp $
+ *
+ * Old Europagate Log:
+ *
+ * Revision 1.9 1995/05/16 09:39:27 adam
+ * LICENSE.
+ *
+ * Revision 1.8 1995/05/11 14:03:57 adam
+ * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
+ * New variable ccl_case_sensitive, which controls whether reserved
+ * words and field names are case sensitive or not.
+ *
+ * Revision 1.7 1995/04/17 09:31:46 adam
+ * Improved handling of qualifiers. Aliases or reserved words.
*
* Revision 1.6 1995/02/23 08:32:00 adam
* Changed header.
#include <stdio.h>
#include <stdlib.h>
-#include <assert.h>
#include <string.h>
-#include <ccl.h>
+#include <yaz/ccl.h>
+/* Definition of CCL_bibset pointer */
struct ccl_qualifiers {
struct ccl_qualifier *list;
+ struct ccl_qualifier_special *special;
};
-void ccl_qual_add (CCL_bibset b, const char *name, int no, int *pairs)
+
+/* 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
+ * definition.
+ * name: name of qualifier
+ * no: No of attribute type/value pairs.
+ * pairs: Attributes. pairs[0] first type, pair[1] first value,
+ * ... pair[2*no-2] last type, pair[2*no-1] last value.
+ */
+void ccl_qual_add_set (CCL_bibset b, const char *name, int no, int *pairs,
+ char **attsets)
{
struct ccl_qualifier *q;
struct ccl_rpn_attr **attrp;
- assert (b);
+ ccl_assert (b);
for (q = b->list; q; q = q->next)
if (!strcmp (name, q->name))
break;
if (!q)
{
- struct ccl_qualifier *new_qual = malloc (sizeof(*new_qual));
- assert (new_qual);
+ struct ccl_qualifier *new_qual =
+ (struct ccl_qualifier *)malloc (sizeof(*new_qual));
+ ccl_assert (new_qual);
new_qual->next = b->list;
b->list = new_qual;
- new_qual->name = malloc (strlen(name)+1);
- 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;
{
struct ccl_rpn_attr *attr;
- attr = malloc (sizeof(*attr));
- assert (attr);
+ attr = (struct ccl_rpn_attr *)malloc (sizeof(*attr));
+ ccl_assert (attr);
+ attr->set = *attsets++;
attr->type = *pairs++;
attr->value = *pairs++;
*attrp = attr;
*attrp = NULL;
}
+/*
+ * ccl_qual_mk: Make new (empty) bibset.
+ * return: empty bibset.
+ */
CCL_bibset ccl_qual_mk (void)
{
- CCL_bibset b = malloc (sizeof(*b));
- assert (b);
+ CCL_bibset b = (CCL_bibset)malloc (sizeof(*b));
+ ccl_assert (b);
b->list = NULL;
+ b->special = NULL;
return b;
}
+/*
+ * ccl_qual_rm: Delete bibset.
+ * b: pointer to bibset
+ */
void ccl_qual_rm (CCL_bibset *b)
{
- assert (*b);
- *b = NULL;
-}
+ struct ccl_qualifier *q, *q1;
+ struct ccl_qualifier_special *sp, *sp1;
-struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len)
-{
- struct ccl_qualifier *q;
+ if (!*b)
+ return;
+ for (q = (*b)->list; q; q = q1)
+ {
+ struct ccl_rpn_attr *attr, *attr1;
- assert (b);
- for (q = b->list; q; q = q->next)
- if (strlen(q->name) == len && !memcmp (name, q->name, len))
- return q->attr_list;
- return NULL;
+ for (attr = q->attr_list; attr; attr = attr1)
+ {
+ attr1 = attr->next;
+ if (attr->set)
+ free (attr->set);
+ free (attr);
+ }
+ 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;
}
-void ccl_qual_file (CCL_bibset bibset, FILE *inf)
+/*
+ * ccl_qual_search: Search for qualifier in bibset.
+ * b: Bibset
+ * name: Name of qualifier to search for (need no null-termination)
+ * len: Length of name.
+ * return: Attribute info. NULL if not found.
+ */
+struct ccl_rpn_attr *ccl_qual_search (CCL_parser cclp,
+ const char *name, size_t len,
+ int seq)
{
- char line[256];
- char *cp;
- char qual_name[128];
- char qual_des[128];
- int no_scan;
+ struct ccl_qualifier *q;
- while (fgets (line, 255, inf))
- {
- cp = line;
- if (*cp == '#')
- continue;
- if (sscanf (cp, "%s%n", qual_name, &no_scan) != 1)
- continue;
- cp += no_scan;
- while (1)
+ ccl_assert (cclp);
+ if (!cclp->bibset)
+ return NULL;
+ for (q = cclp->bibset->list; q; q = q->next)
+ if (strlen(q->name) == len)
{
- int pair[2];
- char *qual_type;
- char *qual_value;
- char *split;
-
- if (sscanf (cp, "%s%n", qual_des, &no_scan) != 1)
- break;
-
- if (!(split = strchr (qual_des, '=')))
- break;
- cp += no_scan;
-
- *split++ = '\0';
- qual_type = qual_des;
- qual_value = split;
- while (1)
+ if (cclp->ccl_case_sensitive)
{
- if ((split = strchr (qual_value, ',')))
- *split++ = '\0';
- pair[1] = atoi (qual_value);
- switch (qual_type[0])
- {
- case 'u':
- pair[0] = CCL_BIB1_USE;
+ if (!memcmp (name, q->name, len))
break;
- case 'r':
- pair[0] = CCL_BIB1_REL;
- if (!strcmp (qual_value, "o"))
- pair[1] = CCL_BIB1_REL_ORDER;
- break;
- case 'p':
- pair[0] = CCL_BIB1_POS;
- break;
- case 's':
- pair[0] = CCL_BIB1_STR;
- if (!strcmp (qual_value, "pw"))
- pair[1] = CCL_BIB1_STR_WP;
- break;
- case 't':
- pair[0] = CCL_BIB1_TRU;
- if (!strcmp (qual_value, "l"))
- pair[1] = CCL_BIB1_TRU_CAN_LEFT;
- else if (!strcmp (qual_value, "r"))
- pair[1] = CCL_BIB1_TRU_CAN_RIGHT;
- else if (!strcmp (qual_value, "b"))
- pair[1] = CCL_BIB1_TRU_CAN_BOTH;
- else if (!strcmp (qual_value, "n"))
- pair[1] = CCL_BIB1_TRU_CAN_NONE;
- break;
- case 'c':
- pair[0] = CCL_BIB1_COM;
- break;
- default:
- pair[0] = atoi (qual_type);
- }
- ccl_qual_add (bibset, qual_name, 1, pair);
- if (!split)
+ }
+ else
+ {
+ if (!ccl_memicmp (name, q->name, len))
break;
- qual_value = split;
}
}
+ 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;
}