dict: Add dict_for_each functions

[wordgame] / dict.h

diff --git a/dict.h b/dict.h
index af21015650d906b7e7e9e0c2de6f86c6f4329d7c..6152c724e303c8d4177a44ea0cb024c8c9a2e69e 100644 (file)
--- a/dict.h
+++ b/dict.h
@@ -82,6 +82,9 @@ dict_count (dict_t                    *dict,
 int
 dict_print (dict_t *dict);
 
+int
+dict_print_by_length (dict_t *dict);
+
 int
 dict_print_if (dict_t                  *dict,
               dict_entry_predicate_t    predicate);
@@ -90,6 +93,31 @@ 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);
+
+int
+dict_for_each (dict_t          *dict,
+              dict_action_t     action,
+              void             *closure);
+
+int
+dict_for_each_by_length (dict_t                *dict,
+                        dict_action_t   action,
+                        void           *closure);
+
+int
+dict_for_each_if (dict_t                       *dict,
+                 dict_action_t                  action,
+                 void                          *closure,
+                 dict_entry_predicate_t         predicate);
+
+int
+dict_for_each_by_length_if (dict_t                     *dict,
+                           dict_action_t                action,
+                           void                        *closure,
+                           dict_entry_predicate_t       predicate);
+
 /* Character-by-character perusal of the dictionary */
 dict_cursor_t
 dict_root (dict_t *dict);