Add alternative dictionary structures

git-svn-id: http://svn.drobilla.net/zix/trunk@109 df6676b4-ccc9-40e5-b5d6-7c4628a128e3

1 files changed, 66 insertions, 0 deletions

diff --git a/zix/trie.h b/zix/trie.h
new file mode 100644
index 0000000..9843460
--- /dev/null
+++ b/zix/trie.h
@@ -0,0 +1,66 @@
+/*
+  Copyright 2011-2016 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef ZIX_TRIE_H
+#define ZIX_TRIE_H
+
+#include "zix/common.h"
+
+/**
+   @addtogroup zix
+   @{
+   @name Trie
+   @{
+*/
+
+typedef struct _ZixTrie ZixTrie;
+
+/**
+   Construct a new Trie.
+*/
+ZIX_API ZixTrie*
+zix_trie_new(void);
+
+/**
+   Destroy `t`.
+*/
+ZIX_API void
+zix_trie_free(ZixTrie* t);
+
+/**
+   Print a DOT description of `t` to `fd`.
+*/
+ZIX_API void
+zix_trie_print_dot(const ZixTrie* t, FILE* fd);
+
+/**
+   Insert `str` into `t`.
+*/
+ZIX_API ZixStatus
+zix_trie_insert(ZixTrie* t, const char* str, size_t len);
+
+/**
+   Search for `str` in `t`.
+*/
+ZIX_API ZixStatus
+zix_trie_find(const ZixTrie* t, const char* str, const char** match);
+
+/**
+   @}
+   @}
+*/
+
+#endif  /* ZIX_TRIE_H */