5 * Revision 1.2 1995/02/15 17:43:08 adam
6 * Minor changes to the ccl interface. Bug fix in iso2709 module.
8 * Revision 1.1 1995/02/14 19:55:21 adam
9 * Header files ccl.h/cclp.h are gone! They have been merged an
10 * moved to ../include/ccl.h.
17 /* CCL error numbers */
19 #define CCL_ERR_TERM_EXPECTED 1
20 #define CCL_ERR_RP_EXPECTED 2
21 #define CCL_ERR_SETNAME_EXPECTED 3
22 #define CCL_ERR_OP_EXPECTED 4
23 #define CCL_ERR_BAD_RP 5
24 #define CCL_ERR_UNKNOWN_QUAL 6
25 #define CCL_ERR_DOBBLE_QUAL 7
26 #define CCL_ERR_EQ_EXPECTED 8
27 #define CCL_ERR_BAD_RELATION 9
28 #define CCL_ERR_TRUNC_NOT_LEFT 10
29 #define CCL_ERR_TRUNC_NOT_BOTH 11
30 #define CCL_ERR_TRUNC_NOT_RIGHT 12
32 /* attribute pair (type, value) */
34 struct ccl_rpn_attr *next;
39 /* RPN tree structure */
42 CCL_RPN_AND, CCL_RPN_OR, CCL_RPN_NOT,
48 struct ccl_rpn_node *p[2];
51 struct ccl_rpn_attr *attr_list;
57 typedef struct ccl_qualifiers *CCL_bibset;
64 1-6 relation (<, <=, =, >=, >, <>)
70 3 any position in field
73 0 word/phrase auto select
80 100 date (un-normalized)
82 102 name (un-normalized)
87 #define CCL_BIB1_USE 1
88 #define CCL_BIB1_REL 2
89 #define CCL_BIB1_POS 3
90 #define CCL_BIB1_STR 4
91 #define CCL_BIB1_TRU 5
92 #define CCL_BIB1_COM 6
94 #define CCL_BIB1_STR_WP (-1)
95 #define CCL_BIB1_REL_ORDER (-1)
97 #define CCL_BIB1_TRU_CAN_LEFT (-1)
98 #define CCL_BIB1_TRU_CAN_RIGHT (-2)
99 #define CCL_BIB1_TRU_CAN_BOTH (-3)
100 #define CCL_BIB1_TRU_CAN_NONE (-4)
102 #define CCL_TOK_EOL 0
103 #define CCL_TOK_TERM 1
104 #define CCL_TOK_REL 2
106 #define CCL_TOK_PROX 4
109 #define CCL_TOK_COMMA 7
110 #define CCL_TOK_AND 8
112 #define CCL_TOK_NOT 9
113 #define CCL_TOK_MINUS 10
114 #define CCL_TOK_SET 11
120 struct ccl_token *next;
121 struct ccl_token *prev;
124 struct ccl_qualifier {
126 struct ccl_rpn_attr *attr_list;
127 struct ccl_qualifier *next;
130 struct ccl_token *ccl_tokenize (const char *command);
132 struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
133 const char *str, int *error, int *pos);
135 struct ccl_rpn_node *ccl_find (CCL_bibset abibset, struct ccl_token *list,
136 int *error, const char **pos);
137 char *ccl_err_msg (int ccl_errno);
138 void ccl_rpn_delete (struct ccl_rpn_node *rpn);
139 void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out);
141 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
142 void ccl_qual_file (CCL_bibset bibset, FILE *inf);
143 CCL_bibset ccl_qual_mk (void);
144 void ccl_qual_rm (CCL_bibset *b);
146 extern const char *ccl_token_and;
147 extern const char *ccl_token_or;
148 extern const char *ccl_token_not;
149 extern const char *ccl_token_set;
152 struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);