Minor changes.

[egate.git] / ccl / ccl.h

diff --git a/ccl/ccl.h b/ccl/ccl.h
index 444575e..da94d92 100644 (file)
--- a/ccl/ccl.h
+++ b/ccl/ccl.h
@@ -2,7 +2,16 @@
  * Europagate, 1995
  *
  * $Log: ccl.h,v $
- * Revision 1.1  1995/02/13 12:35:20  adam
+ * Revision 1.4  1995/02/14 16:20:53  adam
+ * Qualifiers are read from a file now.
+ *
+ * Revision 1.3  1995/02/14  10:25:55  adam
+ * The constructions 'qualifier rel term ...' implemented.
+ *
+ * Revision 1.2  1995/02/13  15:15:06  adam
+ * Added handling of qualifiers. Not finished yet.
+ *
+ * Revision 1.1  1995/02/13  12:35:20  adam
  * First version of CCL. Qualifiers aren't handled yet.
  *
  */
@@ -13,7 +22,88 @@
 #define CCL_ERR_SETNAME_EXPECTED  3
 #define CCL_ERR_OP_EXPECTED       4
 #define CCL_ERR_BAD_RP            5
+#define CCL_ERR_UNKNOWN_QUAL      6
+#define CCL_ERR_DOBBLE_QUAL       7
+#define CCL_ERR_EQ_EXPECTED       8
+#define CCL_ERR_BAD_RELATION      9
+#define CCL_ERR_TRUNC_NOT_LEFT   10
+#define CCL_ERR_TRUNC_NOT_BOTH   11
+#define CCL_ERR_TRUNC_NOT_RIGHT  12
+
+struct ccl_rpn_attr {
+    struct ccl_rpn_attr *next;
+    int type;
+    int value;
+};
 
-void ccl_find_str (const char *str, int *error, int *pos);
+struct ccl_rpn_node {
+    enum rpn_node_kind { AND, OR, NOT, TERM, SET, PROX } kind;
+    union {
+       struct ccl_rpn_node *p[2];
+       struct {
+           char *term;
+           struct ccl_rpn_attr *attr_list;
+       } t;
+       char *setname;
+    } u;
+};
 
+typedef struct ccl_qualifiers *CCL_bibset;
+
+
+struct ccl_rpn_node *ccl_find_str (CCL_bibset bibset,
+                                   const char *str, int *error, int *pos);
 char *ccl_err_msg (int ccl_errno);
+void ccl_rpn_delete (struct ccl_rpn_node *rpn);
+void ccl_pr_tree (struct ccl_rpn_node *rpn);
+
+void ccl_qual_add (CCL_bibset b, const char *name, int no, int *attr);
+void ccl_qual_file (CCL_bibset bibset, FILE *inf);
+CCL_bibset ccl_qual_mk (void);
+void ccl_qual_rm (CCL_bibset *b);
+struct ccl_rpn_attr *ccl_qual_search (CCL_bibset b, const char *name, int len);
+
+
+
+/* use (1)
+
+   relation (2)
+                            -1  none
+                             0  ordered
+                           1-6  relation (<, <=, =, >=, >, <>)
+
+   position (3)
+                            -1  none
+                             1  first in field
+                             2  first in sub field
+                             3  any position in field
+   structure (4)
+                            -1  none
+                             0  word/phrase auto select
+                             1  phrase
+                             2  word
+                             3  key
+                             4  year
+                             5  date (normalized)
+                             6  word list 
+                           100  date (un-normalized)
+                           101  name (normalized)
+                           102  name (un-normalized)
+   truncation (5)                            
+   completeness (6)
+*/
+
+#define CCL_BIB1_USE 1
+#define CCL_BIB1_REL 2
+#define CCL_BIB1_POS 3
+#define CCL_BIB1_STR 4
+#define CCL_BIB1_TRU 5
+#define CCL_BIB1_COM 6
+
+#define CCL_BIB1_STR_WP (-1)
+#define CCL_BIB1_REL_ORDER (-1)
+
+#define CCL_BIB1_TRU_CAN_LEFT (-1)
+#define CCL_BIB1_TRU_CAN_RIGHT (-2)
+#define CCL_BIB1_TRU_CAN_BOTH  (-3)
+#define CCL_BIB1_TRU_CAN_NONE  (-4)