#ifndef _DICT_H_
#define _DICT_H_
-#include "dict-impl.h"
+/* Portably, schmortability. I want ease of programming. */
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#ifndef FALSE
+# define FALSE 0
+#endif
+
+#ifndef TRUE
+# define TRUE 1
+#endif
+
+typedef int bool_t;
+
+typedef struct _trie {
+ uint32_t flags;
+ struct _trie *next[26];
+} trie_t;
-/* Only looks opaque. Perfectly stack-allocatable */
typedef trie_t dict_t;
typedef trie_t *dict_cursor_t;
typedef uint32_t dict_entry_t;
dict_lookup (dict_t *dict,
const char *word);
+typedef bool_t
+(*dict_entry_predicate_t) (dict_entry_t entry);
+
+int
+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