5 * Revision 1.5 1995/02/23 08:32:11 adam
8 * Revision 1.3 1995/02/16 13:20:10 adam
11 * Revision 1.2 1995/02/15 17:43:08 adam
12 * Minor changes to the ccl interface. Bug fix in iso2709 module.
14 * Revision 1.1 1995/02/14 19:55:21 adam
15 * Header files ccl.h/cclp.h are gone! They have been merged an
16 * moved to ../include/ccl.h.
23 /* CCL error numbers */
25 #define CCL_ERR_TERM_EXPECTED 1
26 #define CCL_ERR_RP_EXPECTED 2
27 #define CCL_ERR_SETNAME_EXPECTED 3
28 #define CCL_ERR_OP_EXPECTED 4
29 #define CCL_ERR_BAD_RP 5
30 #define CCL_ERR_UNKNOWN_QUAL 6
31 #define CCL_ERR_DOUBLE_QUAL 7
32 #define CCL_ERR_EQ_EXPECTED 8
33 #define CCL_ERR_BAD_RELATION 9
34 #define CCL_ERR_TRUNC_NOT_LEFT 10
35 #define CCL_ERR_TRUNC_NOT_BOTH 11
36 #define CCL_ERR_TRUNC_NOT_RIGHT 12
38 /* attribute pair (type, value) */
40 struct ccl_rpn_attr *next;
45 /* RPN tree structure */
48 CCL_RPN_AND, CCL_RPN_OR, CCL_RPN_NOT,
54 struct ccl_rpn_node *p[2];
57 struct ccl_rpn_attr *attr_list;
63 typedef struct ccl_qualifiers *CCL_bibset;
70 1-6 relation (<, <=, =, >=, >, <>)
76 3 any position in field
79 0 word/phrase auto select
86 100 date (un-normalized)
88 102 name (un-normalized)
93 #define CCL_BIB1_USE 1
94 #define CCL_BIB1_REL 2
95 #define CCL_BIB1_POS 3
96 #define CCL_BIB1_STR 4
97 #define CCL_BIB1_TRU 5
98 #define CCL_BIB1_COM 6
100 #define CCL_BIB1_STR_WP (-1)
101 #define CCL_BIB1_REL_ORDER (-1)
103 #define CCL_BIB1_TRU_CAN_LEFT (-1)
104 #define CCL_BIB1_TRU_CAN_RIGHT (-2)
105 #define CCL_BIB1_TRU_CAN_BOTH (-3)
106 #define CCL_BIB1_TRU_CAN_NONE (-4)
108 #define CCL_TOK_EOL 0
109 #define CCL_TOK_TERM 1
110 #define CCL_TOK_REL 2
112 #define CCL_TOK_PROX 4
115 #define CCL_TOK_COMMA 7
116 #define CCL_TOK_AND 8
118 #define CCL_TOK_NOT 9
119 #define CCL_TOK_MINUS 10
120 #define CCL_TOK_SET 11
126 struct ccl_token *next;
127 struct ccl_token *prev;
130 struct ccl_qualifier {
132 struct ccl_rpn_attr *attr_list;
133 struct ccl_qualifier *next;
136 struct ccl_token *ccl_tokenize (const char *command);
138 struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
139 const char *str, int *error, int *pos);
141 struct ccl_rpn_node *ccl_find (CCL_bibset abibset, struct ccl_token *list,
142 int *error, const char **pos);
143 char *ccl_err_msg (int ccl_errno);
144 void ccl_rpn_delete (struct ccl_rpn_node *rpn);
145 void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out);
147 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
148 void ccl_qual_file (CCL_bibset bibset, FILE *inf);
149 CCL_bibset ccl_qual_mk (void);
150 void ccl_qual_rm (CCL_bibset *b);
152 extern const char *ccl_token_and;
153 extern const char *ccl_token_or;
154 extern const char *ccl_token_not;
155 extern const char *ccl_token_set;
158 struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);