5 * Revision 1.6 1995/05/11 14:04:03 adam
6 * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
7 * New variable ccl_case_sensitive, which controls whether reserved
8 * words and field names are case sensitive or not.
10 * Revision 1.5 1995/02/23 08:32:11 adam
13 * Revision 1.3 1995/02/16 13:20:10 adam
16 * Revision 1.2 1995/02/15 17:43:08 adam
17 * Minor changes to the ccl interface. Bug fix in iso2709 module.
19 * Revision 1.1 1995/02/14 19:55:21 adam
20 * Header files ccl.h/cclp.h are gone! They have been merged an
21 * moved to ../include/ccl.h.
28 /* CCL error numbers */
30 #define CCL_ERR_TERM_EXPECTED 1
31 #define CCL_ERR_RP_EXPECTED 2
32 #define CCL_ERR_SETNAME_EXPECTED 3
33 #define CCL_ERR_OP_EXPECTED 4
34 #define CCL_ERR_BAD_RP 5
35 #define CCL_ERR_UNKNOWN_QUAL 6
36 #define CCL_ERR_DOUBLE_QUAL 7
37 #define CCL_ERR_EQ_EXPECTED 8
38 #define CCL_ERR_BAD_RELATION 9
39 #define CCL_ERR_TRUNC_NOT_LEFT 10
40 #define CCL_ERR_TRUNC_NOT_BOTH 11
41 #define CCL_ERR_TRUNC_NOT_RIGHT 12
43 /* attribute pair (type, value) */
45 struct ccl_rpn_attr *next;
50 /* RPN tree structure */
53 CCL_RPN_AND, CCL_RPN_OR, CCL_RPN_NOT,
59 struct ccl_rpn_node *p[2];
62 struct ccl_rpn_attr *attr_list;
68 typedef struct ccl_qualifiers *CCL_bibset;
75 1-6 relation (<, <=, =, >=, >, <>)
81 3 any position in field
84 0 word/phrase auto select
91 100 date (un-normalized)
93 102 name (un-normalized)
98 #define CCL_BIB1_USE 1
99 #define CCL_BIB1_REL 2
100 #define CCL_BIB1_POS 3
101 #define CCL_BIB1_STR 4
102 #define CCL_BIB1_TRU 5
103 #define CCL_BIB1_COM 6
105 #define CCL_BIB1_STR_WP (-1)
106 #define CCL_BIB1_REL_ORDER (-1)
108 #define CCL_BIB1_TRU_CAN_LEFT (-1)
109 #define CCL_BIB1_TRU_CAN_RIGHT (-2)
110 #define CCL_BIB1_TRU_CAN_BOTH (-3)
111 #define CCL_BIB1_TRU_CAN_NONE (-4)
113 #define CCL_TOK_EOL 0
114 #define CCL_TOK_TERM 1
115 #define CCL_TOK_REL 2
117 #define CCL_TOK_PROX 4
120 #define CCL_TOK_COMMA 7
121 #define CCL_TOK_AND 8
123 #define CCL_TOK_NOT 9
124 #define CCL_TOK_MINUS 10
125 #define CCL_TOK_SET 11
131 struct ccl_token *next;
132 struct ccl_token *prev;
135 struct ccl_qualifier {
137 struct ccl_rpn_attr *attr_list;
138 struct ccl_qualifier *next;
141 struct ccl_token *ccl_tokenize (const char *command);
143 struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
144 const char *str, int *error, int *pos);
146 struct ccl_rpn_node *ccl_find (CCL_bibset abibset, struct ccl_token *list,
147 int *error, const char **pos);
148 char *ccl_err_msg (int ccl_errno);
149 void ccl_rpn_delete (struct ccl_rpn_node *rpn);
150 void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out);
152 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
153 void ccl_qual_file (CCL_bibset bibset, FILE *inf);
154 void ccl_qual_fitem (CCL_bibset bibset, const char *cp, const char *qual_name);
155 CCL_bibset ccl_qual_mk (void);
156 void ccl_qual_rm (CCL_bibset *b);
158 extern const char *ccl_token_and;
159 extern const char *ccl_token_or;
160 extern const char *ccl_token_not;
161 extern const char *ccl_token_set;
162 extern int ccl_case_sensitive;
163 extern int (*ccl_toupper)(int c);
165 int ccl_stricmp (const char *s1, const char *s2);
166 int ccl_memicmp (const char *s1, const char *s2, size_t n);
168 struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);