5 * Revision 1.3 1995-09-29 17:12:01 quinn
8 * Revision 1.2 1995/09/27 15:02:46 quinn
9 * Modified function heads & prototypes.
11 * Revision 1.1 1995/04/10 10:28:27 quinn
14 * Revision 1.5 1995/02/23 08:32:11 adam
17 * Revision 1.3 1995/02/16 13:20:10 adam
20 * Revision 1.2 1995/02/15 17:43:08 adam
21 * Minor changes to the ccl interface. Bug fix in iso2709 module.
23 * Revision 1.1 1995/02/14 19:55:21 adam
24 * Header files ccl.h/cclp.h are gone! They have been merged an
25 * moved to ../include/ccl.h.
34 /* CCL error numbers */
36 #define CCL_ERR_TERM_EXPECTED 1
37 #define CCL_ERR_RP_EXPECTED 2
38 #define CCL_ERR_SETNAME_EXPECTED 3
39 #define CCL_ERR_OP_EXPECTED 4
40 #define CCL_ERR_BAD_RP 5
41 #define CCL_ERR_UNKNOWN_QUAL 6
42 #define CCL_ERR_DOUBLE_QUAL 7
43 #define CCL_ERR_EQ_EXPECTED 8
44 #define CCL_ERR_BAD_RELATION 9
45 #define CCL_ERR_TRUNC_NOT_LEFT 10
46 #define CCL_ERR_TRUNC_NOT_BOTH 11
47 #define CCL_ERR_TRUNC_NOT_RIGHT 12
49 /* attribute pair (type, value) */
51 struct ccl_rpn_attr *next;
56 /* RPN tree structure */
59 CCL_RPN_AND, CCL_RPN_OR, CCL_RPN_NOT,
65 struct ccl_rpn_node *p[2];
68 struct ccl_rpn_attr *attr_list;
74 typedef struct ccl_qualifiers *CCL_bibset;
81 1-6 relation (<, <=, =, >=, >, <>)
87 3 any position in field
90 0 word/phrase auto select
97 100 date (un-normalized)
99 102 name (un-normalized)
104 #define CCL_BIB1_USE 1
105 #define CCL_BIB1_REL 2
106 #define CCL_BIB1_POS 3
107 #define CCL_BIB1_STR 4
108 #define CCL_BIB1_TRU 5
109 #define CCL_BIB1_COM 6
111 #define CCL_BIB1_STR_WP (-1)
112 #define CCL_BIB1_REL_ORDER (-1)
114 #define CCL_BIB1_TRU_CAN_LEFT (-1)
115 #define CCL_BIB1_TRU_CAN_RIGHT (-2)
116 #define CCL_BIB1_TRU_CAN_BOTH (-3)
117 #define CCL_BIB1_TRU_CAN_NONE (-4)
119 #define CCL_TOK_EOL 0
120 #define CCL_TOK_TERM 1
121 #define CCL_TOK_REL 2
123 #define CCL_TOK_PROX 4
126 #define CCL_TOK_COMMA 7
127 #define CCL_TOK_AND 8
129 #define CCL_TOK_NOT 9
130 #define CCL_TOK_MINUS 10
131 #define CCL_TOK_SET 11
137 struct ccl_token *next;
138 struct ccl_token *prev;
141 struct ccl_qualifier {
143 struct ccl_rpn_attr *attr_list;
144 struct ccl_qualifier *next;
147 struct ccl_token *ccl_tokenize (const char *command);
149 struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
150 const char *str, int *error, int *pos);
152 struct ccl_rpn_node *ccl_find (CCL_bibset abibset, struct ccl_token *list,
153 int *error, const char **pos);
154 char *ccl_err_msg (int ccl_errno);
155 void ccl_rpn_delete (struct ccl_rpn_node *rpn);
156 void ccl_pr_tree (struct ccl_rpn_node *rpn, FILE *fd_out);
158 void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
159 void ccl_qual_file (CCL_bibset bibset, FILE *inf);
160 CCL_bibset ccl_qual_mk (void);
161 void ccl_qual_rm (CCL_bibset *b);
163 extern const char *ccl_token_and;
164 extern const char *ccl_token_or;
165 extern const char *ccl_token_not;
166 extern const char *ccl_token_set;
169 struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);