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 1.15 2001-03-07 13:24:40 adam
49 * Member and_not in Z_Operator is kept for backwards compatibility.
50 * Added support for definition of CCL operators in field spec file.
52 * Revision 1.14 2000/11/16 09:58:02 adam
53 * Implemented local AttributeSet setting for CCL field maps.
55 * Revision 1.13 2000/01/31 13:15:21 adam
56 * Removed uses of assert(3). Cleanup of ODR. CCL parser update so
57 * that some characters are not surrounded by spaces in resulting term.
60 * Revision 1.12 1999/11/30 13:47:11 adam
61 * Improved installation. Moved header files to include/yaz.
63 * Revision 1.11 1999/03/31 11:15:37 adam
64 * Fixed memory leaks in ccl_find_str and ccl_qual_rm.
66 * Revision 1.10 1998/07/07 15:49:40 adam
67 * Added braces to avoid warning.
69 * Revision 1.9 1998/02/11 11:53:33 adam
70 * Changed code so that it compiles as C++.
72 * Revision 1.8 1997/09/29 08:56:38 adam
73 * Changed CCL parser to be thread safe. New type, CCL_parser, declared
74 * and a create/destructers ccl_parser_create/ccl_parser/destory has
77 * Revision 1.7 1997/09/01 08:48:12 adam
78 * New windows NT/95 port using MSV5.0. Only a few changes made
81 * Revision 1.6 1997/04/30 08:52:07 quinn
84 * Revision 1.5 1996/10/11 15:00:25 adam
85 * CCL parser from Europagate Email gateway 1.0.
87 * Revision 1.9 1995/05/16 09:39:27 adam
90 * Revision 1.8 1995/05/11 14:03:57 adam
91 * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
92 * New variable ccl_case_sensitive, which controls whether reserved
93 * words and field names are case sensitive or not.
95 * Revision 1.7 1995/04/17 09:31:46 adam
96 * Improved handling of qualifiers. Aliases or reserved words.
98 * Revision 1.6 1995/02/23 08:32:00 adam
101 * Revision 1.4 1995/02/14 19:55:12 adam
102 * Header files ccl.h/cclp.h are gone! They have been merged an
103 * moved to ../include/ccl.h.
104 * Node kind(s) in ccl_rpn_node have changed names.
106 * Revision 1.3 1995/02/14 16:20:56 adam
107 * Qualifiers are read from a file now.
109 * Revision 1.2 1995/02/14 10:25:56 adam
110 * The constructions 'qualifier rel term ...' implemented.
112 * Revision 1.1 1995/02/13 15:15:07 adam
113 * Added handling of qualifiers. Not finished yet.
123 /* Definition of CCL_bibset pointer */
124 struct ccl_qualifiers {
125 struct ccl_qualifier *list;
126 struct ccl_qualifier_special *special;
130 /* CCL Qualifier special */
131 struct ccl_qualifier_special {
134 struct ccl_qualifier_special *next;
137 void ccl_qual_add_special (CCL_bibset bibset, const char *n, const char *v)
139 struct ccl_qualifier_special *p;
142 for (p = bibset->special; p && strcmp(p->name, n); p = p->next)
148 p = (struct ccl_qualifier_special *) malloc (sizeof(*p));
149 p->name = ccl_strdup (n);
151 p->next = bibset->special;
154 while (strchr(" \t", *v))
156 for (pe = v + strlen(v); pe != v; --pe)
157 if (!strchr(" \n\r\t", pe[-1]))
159 p->value = (char*) malloc (pe - v + 1);
161 memcpy (p->value, v, pe - v);
162 p->value[pe - v] = '\0';
167 * ccl_qual_add: Add qualifier to Bibset. If qualifier already
168 * exists, then attributes are appendend to old
170 * name: name of qualifier
171 * no: No of attribute type/value pairs.
172 * pairs: Attributes. pairs[0] first type, pair[1] first value,
173 * ... pair[2*no-2] last type, pair[2*no-1] last value.
175 void ccl_qual_add_set (CCL_bibset b, const char *name, int no, int *pairs,
178 struct ccl_qualifier *q;
179 struct ccl_rpn_attr **attrp;
182 for (q = b->list; q; q = q->next)
183 if (!strcmp (name, q->name))
187 struct ccl_qualifier *new_qual =
188 (struct ccl_qualifier *)malloc (sizeof(*new_qual));
189 ccl_assert (new_qual);
191 new_qual->next = b->list;
194 new_qual->name = (char *)malloc (strlen(name)+1);
195 ccl_assert (new_qual->name);
196 strcpy (new_qual->name, name);
197 attrp = &new_qual->attr_list;
201 attrp = &q->attr_list;
203 attrp = &(*attrp)->next;
207 struct ccl_rpn_attr *attr;
209 attr = (struct ccl_rpn_attr *)malloc (sizeof(*attr));
211 attr->set = *attsets++;
212 attr->type = *pairs++;
213 attr->value = *pairs++;
221 * ccl_qual_mk: Make new (empty) bibset.
222 * return: empty bibset.
224 CCL_bibset ccl_qual_mk (void)
226 CCL_bibset b = (CCL_bibset)malloc (sizeof(*b));
234 * ccl_qual_rm: Delete bibset.
235 * b: pointer to bibset
237 void ccl_qual_rm (CCL_bibset *b)
239 struct ccl_qualifier *q, *q1;
240 struct ccl_qualifier_special *sp, *sp1;
244 for (q = (*b)->list; q; q = q1)
246 struct ccl_rpn_attr *attr, *attr1;
248 for (attr = q->attr_list; attr; attr = attr1)
259 for (sp = (*b)->special; sp; sp = sp1)
271 * ccl_qual_search: Search for qualifier in bibset.
273 * name: Name of qualifier to search for (need no null-termination)
274 * len: Length of name.
275 * return: Attribute info. NULL if not found.
277 struct ccl_rpn_attr *ccl_qual_search (CCL_parser cclp,
278 const char *name, size_t len)
280 struct ccl_qualifier *q;
285 for (q = cclp->bibset->list; q; q = q->next)
286 if (strlen(q->name) == len)
288 if (cclp->ccl_case_sensitive)
290 if (!memcmp (name, q->name, len))
295 if (!ccl_memicmp (name, q->name, len))
302 const char *ccl_qual_search_special (CCL_bibset b,
305 struct ccl_qualifier_special *q;
308 for (q = b->special; q && strcmp(q->name, name); q = q->next)