2 * Copyright (c) 1995, the EUROPAGATE consortium (see below).
4 * The EUROPAGATE consortium members are:
6 * University College Dublin
7 * Danmarks Teknologiske Videnscenter
8 * An Chomhairle Leabharlanna
9 * Consejo Superior de Investigaciones Cientificas
11 * Permission to use, copy, modify, distribute, and sell this software and
12 * its documentation, in whole or in part, for any purpose, is hereby granted,
15 * 1. This copyright and permission notice appear in all copies of the
16 * software and its documentation. Notices of copyright or attribution
17 * which appear at the beginning of any file must remain unchanged.
19 * 2. The names of EUROPAGATE or the project partners may not be used to
20 * endorse or promote products derived from this software without specific
21 * prior written permission.
23 * 3. Users of this software (implementors and gateway operators) agree to
24 * inform the EUROPAGATE consortium of their use of the software. This
25 * information will be used to evaluate the EUROPAGATE project and the
26 * software, and to plan further developments. The consortium may use
27 * the information in later publications.
29 * 4. Users of this software agree to make their best efforts, when
30 * documenting their use of the software, to acknowledge the EUROPAGATE
31 * consortium, and the role played by the software in their work.
33 * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
34 * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
35 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
36 * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
37 * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
38 * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
39 * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
40 * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
41 * USE OR PERFORMANCE OF THIS SOFTWARE.
48 * Revision 1.12 1999-11-30 13:47:11 adam
49 * Improved installation. Moved header files to include/yaz.
51 * Revision 1.11 1999/03/31 11:15:37 adam
52 * Fixed memory leaks in ccl_find_str and ccl_qual_rm.
54 * Revision 1.10 1998/07/07 15:49:40 adam
55 * Added braces to avoid warning.
57 * Revision 1.9 1998/02/11 11:53:33 adam
58 * Changed code so that it compiles as C++.
60 * Revision 1.8 1997/09/29 08:56:38 adam
61 * Changed CCL parser to be thread safe. New type, CCL_parser, declared
62 * and a create/destructers ccl_parser_create/ccl_parser/destory has
65 * Revision 1.7 1997/09/01 08:48:12 adam
66 * New windows NT/95 port using MSV5.0. Only a few changes made
69 * Revision 1.6 1997/04/30 08:52:07 quinn
72 * Revision 1.5 1996/10/11 15:00:25 adam
73 * CCL parser from Europagate Email gateway 1.0.
75 * Revision 1.9 1995/05/16 09:39:27 adam
78 * Revision 1.8 1995/05/11 14:03:57 adam
79 * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
80 * New variable ccl_case_sensitive, which controls whether reserved
81 * words and field names are case sensitive or not.
83 * Revision 1.7 1995/04/17 09:31:46 adam
84 * Improved handling of qualifiers. Aliases or reserved words.
86 * Revision 1.6 1995/02/23 08:32:00 adam
89 * Revision 1.4 1995/02/14 19:55:12 adam
90 * Header files ccl.h/cclp.h are gone! They have been merged an
91 * moved to ../include/ccl.h.
92 * Node kind(s) in ccl_rpn_node have changed names.
94 * Revision 1.3 1995/02/14 16:20:56 adam
95 * Qualifiers are read from a file now.
97 * Revision 1.2 1995/02/14 10:25:56 adam
98 * The constructions 'qualifier rel term ...' implemented.
100 * Revision 1.1 1995/02/13 15:15:07 adam
101 * Added handling of qualifiers. Not finished yet.
112 /* Definition of CCL_bibset pointer */
113 struct ccl_qualifiers {
114 struct ccl_qualifier *list;
118 * ccl_qual_add: Add qualifier to Bibset. If qualifier already
119 * exists, then attributes are appendend to old
121 * name: name of qualifier
122 * no: No of attribute type/value pairs.
123 * pairs: Attributes. pairs[0] first type, pair[1] first value,
124 * ... pair[2*no-2] last type, pair[2*no-1] last value.
126 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *pairs)
128 struct ccl_qualifier *q;
129 struct ccl_rpn_attr **attrp;
132 for (q = b->list; q; q = q->next)
133 if (!strcmp (name, q->name))
137 struct ccl_qualifier *new_qual = (struct ccl_qualifier *)malloc (sizeof(*new_qual));
140 new_qual->next = b->list;
143 new_qual->name = (char *)malloc (strlen(name)+1);
144 assert (new_qual->name);
145 strcpy (new_qual->name, name);
146 attrp = &new_qual->attr_list;
150 attrp = &q->attr_list;
152 attrp = &(*attrp)->next;
156 struct ccl_rpn_attr *attr;
158 attr = (struct ccl_rpn_attr *)malloc (sizeof(*attr));
160 attr->type = *pairs++;
161 attr->value = *pairs++;
169 * ccl_qual_mk: Make new (empty) bibset.
170 * return: empty bibset.
172 CCL_bibset ccl_qual_mk (void)
174 CCL_bibset b = (CCL_bibset)malloc (sizeof(*b));
181 * ccl_qual_rm: Delete bibset.
182 * b: pointer to bibset
184 void ccl_qual_rm (CCL_bibset *b)
186 struct ccl_qualifier *q, *q1;
190 for (q = (*b)->list; q; q = q1)
192 struct ccl_rpn_attr *attr, *attr1;
194 for (attr = q->attr_list; attr; attr = attr1)
208 * ccl_qual_search: Search for qualifier in bibset.
210 * name: Name of qualifier to search for (need no null-termination)
211 * len: Length of name.
212 * return: Attribute info. NULL if not found.
214 struct ccl_rpn_attr *ccl_qual_search (CCL_parser cclp,
215 const char *name, size_t len)
217 struct ccl_qualifier *q;
222 for (q = cclp->bibset->list; q; q = q->next)
223 if (strlen(q->name) == len)
225 if (cclp->ccl_case_sensitive)
227 if (!memcmp (name, q->name, len))
232 if (!ccl_memicmp (name, q->name, len))