5 * Revision 1.3 1995/02/16 13:20:10 adam
8 * Revision 1.2 1995/02/15 17:43:08 adam
9 * Minor changes to the ccl interface. Bug fix in iso2709 module.
11 * Revision 1.1 1995/02/14 19:55:21 adam
12 * Header files ccl.h/cclp.h are gone! They have been merged an
13 * moved to ../include/ccl.h.
20 /* CCL error numbers */
22 #define CCL_ERR_TERM_EXPECTED 1
23 #define CCL_ERR_RP_EXPECTED 2
24 #define CCL_ERR_SETNAME_EXPECTED 3
25 #define CCL_ERR_OP_EXPECTED 4
26 #define CCL_ERR_BAD_RP 5
27 #define CCL_ERR_UNKNOWN_QUAL 6
28 #define CCL_ERR_DOUBLE_QUAL 7
29 #define CCL_ERR_EQ_EXPECTED 8
30 #define CCL_ERR_BAD_RELATION 9
31 #define CCL_ERR_TRUNC_NOT_LEFT 10
32 #define CCL_ERR_TRUNC_NOT_BOTH 11
33 #define CCL_ERR_TRUNC_NOT_RIGHT 12
35 /* attribute pair (type, value) */
37 struct ccl_rpn_attr *next;
42 /* RPN tree structure */
45 CCL_RPN_AND, CCL_RPN_OR, CCL_RPN_NOT,
51 struct ccl_rpn_node *p[2];
54 struct ccl_rpn_attr *attr_list;
60 typedef struct ccl_qualifiers *CCL_bibset;
67 1-6 relation (<, <=, =, >=, >, <>)
73 3 any position in field
76 0 word/phrase auto select
83 100 date (un-normalized)
85 102 name (un-normalized)
90 #define CCL_BIB1_USE 1
91 #define CCL_BIB1_REL 2
92 #define CCL_BIB1_POS 3
93 #define CCL_BIB1_STR 4
94 #define CCL_BIB1_TRU 5
95 #define CCL_BIB1_COM 6
97 #define CCL_BIB1_STR_WP (-1)
98 #define CCL_BIB1_REL_ORDER (-1)
100 #define CCL_BIB1_TRU_CAN_LEFT (-1)
101 #define CCL_BIB1_TRU_CAN_RIGHT (-2)
102 #define CCL_BIB1_TRU_CAN_BOTH (-3)
103 #define CCL_BIB1_TRU_CAN_NONE (-4)
105 #define CCL_TOK_EOL 0
106 #define CCL_TOK_TERM 1
107 #define CCL_TOK_REL 2
109 #define CCL_TOK_PROX 4
112 #define CCL_TOK_COMMA 7
113 #define CCL_TOK_AND 8
115 #define CCL_TOK_NOT 9
116 #define CCL_TOK_MINUS 10
117 #define CCL_TOK_SET 11
123 struct ccl_token *next;
124 struct ccl_token *prev;
127 struct ccl_qualifier {
129 struct ccl_rpn_attr *attr_list;
130 struct ccl_qualifier *next;
133 struct ccl_token *ccl_tokenize (const char *command);
135 struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
136 const char *str, int *error, int *pos);
138 struct ccl_rpn_node *ccl_find (CCL_bibset abibset, struct ccl_token *list,
139 int *error, const char **pos);
140 char *ccl_err_msg (int ccl_errno);
141 void ccl_rpn_delete (struct ccl_rpn_node *rpn);
142 void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out);
144 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
145 void ccl_qual_file (CCL_bibset bibset, FILE *inf);
146 CCL_bibset ccl_qual_mk (void);
147 void ccl_qual_rm (CCL_bibset *b);
149 extern const char *ccl_token_and;
150 extern const char *ccl_token_or;
151 extern const char *ccl_token_not;
152 extern const char *ccl_token_set;
155 struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);