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.
49 * Revision 1.7 1995/05/16 09:39:38 adam
52 * Revision 1.6 1995/05/11 14:04:03 adam
53 * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
54 * New variable ccl_case_sensitive, which controls whether reserved
55 * words and field names are case sensitive or not.
57 * Revision 1.5 1995/02/23 08:32:11 adam
60 * Revision 1.3 1995/02/16 13:20:10 adam
63 * Revision 1.2 1995/02/15 17:43:08 adam
64 * Minor changes to the ccl interface. Bug fix in iso2709 module.
66 * Revision 1.1 1995/02/14 19:55:21 adam
67 * Header files ccl.h/cclp.h are gone! They have been merged an
68 * moved to ../include/ccl.h.
75 /* CCL error numbers */
77 #define CCL_ERR_TERM_EXPECTED 1
78 #define CCL_ERR_RP_EXPECTED 2
79 #define CCL_ERR_SETNAME_EXPECTED 3
80 #define CCL_ERR_OP_EXPECTED 4
81 #define CCL_ERR_BAD_RP 5
82 #define CCL_ERR_UNKNOWN_QUAL 6
83 #define CCL_ERR_DOUBLE_QUAL 7
84 #define CCL_ERR_EQ_EXPECTED 8
85 #define CCL_ERR_BAD_RELATION 9
86 #define CCL_ERR_TRUNC_NOT_LEFT 10
87 #define CCL_ERR_TRUNC_NOT_BOTH 11
88 #define CCL_ERR_TRUNC_NOT_RIGHT 12
90 /* attribute pair (type, value) */
92 struct ccl_rpn_attr *next;
97 /* RPN tree structure */
100 CCL_RPN_AND, CCL_RPN_OR, CCL_RPN_NOT,
106 struct ccl_rpn_node *p[2];
109 struct ccl_rpn_attr *attr_list;
115 typedef struct ccl_qualifiers *CCL_bibset;
122 1-6 relation (<, <=, =, >=, >, <>)
128 3 any position in field
131 0 word/phrase auto select
138 100 date (un-normalized)
139 101 name (normalized)
140 102 name (un-normalized)
145 #define CCL_BIB1_USE 1
146 #define CCL_BIB1_REL 2
147 #define CCL_BIB1_POS 3
148 #define CCL_BIB1_STR 4
149 #define CCL_BIB1_TRU 5
150 #define CCL_BIB1_COM 6
152 #define CCL_BIB1_STR_WP (-1)
153 #define CCL_BIB1_REL_ORDER (-1)
155 #define CCL_BIB1_TRU_CAN_LEFT (-1)
156 #define CCL_BIB1_TRU_CAN_RIGHT (-2)
157 #define CCL_BIB1_TRU_CAN_BOTH (-3)
158 #define CCL_BIB1_TRU_CAN_NONE (-4)
160 #define CCL_TOK_EOL 0
161 #define CCL_TOK_TERM 1
162 #define CCL_TOK_REL 2
164 #define CCL_TOK_PROX 4
167 #define CCL_TOK_COMMA 7
168 #define CCL_TOK_AND 8
170 #define CCL_TOK_NOT 9
171 #define CCL_TOK_MINUS 10
172 #define CCL_TOK_SET 11
178 struct ccl_token *next;
179 struct ccl_token *prev;
182 struct ccl_qualifier {
184 struct ccl_rpn_attr *attr_list;
185 struct ccl_qualifier *next;
188 struct ccl_token *ccl_tokenize (const char *command);
190 struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
191 const char *str, int *error, int *pos);
193 struct ccl_rpn_node *ccl_find (CCL_bibset abibset, struct ccl_token *list,
194 int *error, const char **pos);
195 char *ccl_err_msg (int ccl_errno);
196 void ccl_rpn_delete (struct ccl_rpn_node *rpn);
197 void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out);
199 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
200 void ccl_qual_file (CCL_bibset bibset, FILE *inf);
201 void ccl_qual_fitem (CCL_bibset bibset, const char *cp, const char *qual_name);
202 CCL_bibset ccl_qual_mk (void);
203 void ccl_qual_rm (CCL_bibset *b);
205 extern const char *ccl_token_and;
206 extern const char *ccl_token_or;
207 extern const char *ccl_token_not;
208 extern const char *ccl_token_set;
209 extern int ccl_case_sensitive;
210 extern int (*ccl_toupper)(int c);
212 int ccl_stricmp (const char *s1, const char *s2);
213 int ccl_memicmp (const char *s1, const char *s2, size_t n);
215 struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);