From 70914305c0fe98948ba7e105a220fe7a36a62fec Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@raht.cworth.org>
Date: Wed, 20 Sep 2006 23:59:59 -0700
Subject: [PATCH] Begin to wean grid.c away from trie and toward dict.

---
 dict.c |  9 ++++++++-
 grid.c | 21 ++++++++++-----------
 2 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/dict.c b/dict.c
index a783ffc..00d54e0 100644
--- a/dict.c
+++ b/dict.c
@@ -247,6 +247,13 @@ dict_fini (dict_t *dict)
     trie_fini (dict);
 }
 
+void
+dict_add_word (dict_t		*dict,
+	       const char	*word)
+{
+    trie_add (dict, word);
+}
+
 void
 dict_add_words_from_file (dict_t	*dict,
 			  const char	*filename)
@@ -268,7 +275,7 @@ dict_add_words_from_file (dict_t	*dict,
 	if (bytes_read == -1)
 	    break;
 	chomp (line);
-	trie_add (dict, line);
+	dict_add_word (dict, line);
     }
     if (line)
 	free (line);
diff --git a/grid.c b/grid.c
index c785808..9b0ffbe 100644
--- a/grid.c
+++ b/grid.c
@@ -39,7 +39,7 @@ typedef struct _board {
     char letters[4][4];
 
     /* Private, transient state used by enumerate */
-    dict_t *result_trie;
+    dict_t *results;
 } board_t;
 
 int
@@ -129,7 +129,7 @@ board_enumerate (board_t	*board,
     }
 
     if (dict_trie->flags & TRIE_FLAGS_IS_WORD)
-	trie_add (board->result_trie, word->s);
+	dict_add_word (board->results, word->s);
 
     for (dy = -1; dy <= 1; dy++)
 	for (dx = -1; dx <= 1; dx++)
@@ -143,13 +143,13 @@ board_enumerate (board_t	*board,
 }
 
 void
-board_solve (board_t *board, dict_t *dict, trie_t *solution)
+board_solve (board_t *board, dict_t *dict, dict_t *solution)
 {
     int x, y;
     int16_t seen = 0;
     string_t word;
 
-    board->result_trie = solution;
+    board->results = solution;
 
     string_init (&word);
 
@@ -164,9 +164,8 @@ board_solve (board_t *board, dict_t *dict, trie_t *solution)
 int
 main (void)
 {
-    dict_t dict;
+    dict_t dict, solution;
     board_t board;
-    trie_t *solution;
     struct timeval tv, tv_stop;
     int remaining, minutes, seconds;
     int found, missed;
@@ -180,8 +179,8 @@ main (void)
     dict_add_words_from_file (&dict, "words.txt");
     board_init (&board);
 
-    solution = trie_create ();
-    board_solve (&board, &dict, solution);
+    dict_init (&solution);
+    board_solve (&board, &dict, &solution);
 
     board_print (&board);
 
@@ -200,7 +199,7 @@ main (void)
 	    board_print (&board);
 	} else {
 	    trie_t *t;
-	    t = trie_find (solution, response);
+	    t = trie_find (&solution, response);
 	    if (t && (t->flags & TRIE_FLAGS_IS_WORD)) {
 		if (t->flags & TRIE_FLAGS_SEEN)
 		    printf ("(repeat)\n");
@@ -222,13 +221,13 @@ main (void)
 
     printf ("\nWords you found:\n");
     string_init (&word);
-    found = trie_print_seen (solution, &word);
+    found = trie_print_seen (&solution, &word);
     string_fini (&word);
     printf ("\n");
 
     printf ("\nWords you missed:\n");
     string_init (&word);
-    missed = trie_print_unseen (solution, &word);
+    missed = trie_print_unseen (&solution, &word);
     string_fini (&word);
     printf ("\n");
 
-- 
2.43.0