X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=dict.h;h=622165195daf12151776f2cec9316f0aa35106b8;hb=0a8d1f741a919c9c7e5ae0b8d0261759cca9bc05;hp=ca0e6f6e9a209efe442a3ea8083e0d2480cc7e1b;hpb=6717cd95edcf1332c81daaa6c608c293dc8ffb4a;p=wordgame

diff --git a/dict.h b/dict.h
index ca0e6f6..6221651 100644
--- a/dict.h
+++ b/dict.h
@@ -19,6 +19,10 @@
 #ifndef _DICT_H_
 #define _DICT_H_
 
+/* Portably, schmortability. I want ease of programming. */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
 #include <stdint.h>
 
 #ifndef FALSE
@@ -64,26 +68,71 @@ typedef bool_t
 (*dict_entry_predicate_t) (dict_entry_t entry);
 
 int
-dict_count (dict_t			*dict,
-	    dict_entry_predicate_t	predicate);
+dict_count_if (dict_t			*dict,
+	       dict_entry_predicate_t	predicate);
+
+int
+dict_count (dict_t *dict);
 
 /* Querying a dictionary entry. The dict interface uses 1 bit.
  * All of the remaining bits are available for application use.
  */
-#define DICT_ENTRY_IS_WORD(entry) ((entry) && ((*entry) & 0x01))
+#define DICT_ENTRY_FLAG_IS_WORD		(1<<0)
+
+#define DICT_ENTRY_IS_WORD(entry) ((entry) && ((*entry) & DICT_ENTRY_FLAG_IS_WORD))
 
 /* Printing the dictionary */
 int
 dict_print (dict_t *dict);
 
+int
+dict_print_of_length (dict_t	*dict,
+		      int	 min_length,
+		      int	 max_length);
+
 int
 dict_print_if (dict_t			*dict,
 	       dict_entry_predicate_t	 predicate);
 
+int
+dict_print_of_length_if (dict_t			*dict,
+			 int			 min_length,
+			 int			 max_length,
+			 dict_entry_predicate_t	 predicate);
+
 int
 dict_print_by_length_if (dict_t			*dict,
 			 dict_entry_predicate_t	 predicate);
 
+/* More general callback-based iteration of all entries */
+typedef void (* dict_action_t) (void *closure, char *word, dict_entry_t *entry);
+
+int
+dict_for_each (dict_t		*dict,
+	       dict_action_t	 action,
+	       void		*closure);
+
+int
+dict_for_each_of_length (dict_t		*dict,
+			 dict_action_t	 action,
+			 void		*closure,
+			 int		 min_length,
+			 int		 max_length);
+
+int
+dict_for_each_if (dict_t			*dict,
+		  dict_action_t			 action,
+		  void				*closure,
+		  dict_entry_predicate_t	 predicate);
+
+int
+dict_for_each_of_length_if (dict_t			*dict,
+			    dict_action_t		 action,
+			    void			*closure,
+			    int				 min_length,
+			    int				 max_length,
+			    dict_entry_predicate_t	 predicate);
+
 /* Character-by-character perusal of the dictionary */
 dict_cursor_t
 dict_root (dict_t *dict);