Allow you to delete all versions <= x from a GTree.
[dana/cg-glib.git] / glib / gtree.h
1 /* GLIB - Library of useful routines for C programming
2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the
16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17  * Boston, MA 02111-1307, USA.
18  */
19
20 /*
21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
22  * file for a list of people on the GLib Team.  See the ChangeLog
23  * files for a list of changes.  These files are distributed with
24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
25  */
26
27 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
28 #error "Only <glib.h> can be included directly."
29 #endif
30
31 #ifndef __G_TREE_H__
32 #define __G_TREE_H__
33
34 #include <glib/gnode.h>
35
36 G_BEGIN_DECLS
37
38 /* Tree Search Types */
39 typedef enum
40 {
41   G_TREE_SEARCH_EXACT,
42   G_TREE_SEARCH_SUCCESSOR,
43   G_TREE_SEARCH_PREDECESSOR
44 } GTreeSearchType;
45
46 typedef struct _GTree  GTree;
47
48 typedef gboolean (*GTraverseFunc) (gpointer  key,
49                                    gpointer  value,
50                                    gpointer  data);
51
52 /* Balanced binary trees
53  */
54 GTree*   g_tree_new             (GCompareFunc      key_compare_func);
55 GTree*   g_tree_new_with_data   (GCompareDataFunc  key_compare_func,
56                                  gpointer          key_compare_data);
57 GTree*   g_tree_new_full        (GCompareDataFunc  key_compare_func,
58                                  gpointer          key_compare_data,
59                                  GDestroyNotify    key_destroy_func,
60                                  GDestroyNotify    value_destroy_func);
61 GTree*   g_tree_ref             (GTree            *tree);
62 void     g_tree_unref           (GTree            *tree);
63 void     g_tree_destroy         (GTree            *tree);
64 guint    g_tree_current_version (GTree            *tree);
65 guint    g_tree_next_version    (GTree            *tree);
66 void     g_tree_delete_versions (GTree            *tree,
67                                  guint             version);
68 void     g_tree_insert          (GTree            *tree,
69                                  gpointer          key,
70                                  gpointer          value);
71 void     g_tree_replace         (GTree            *tree,
72                                  gpointer          key,
73                                  gpointer          value);
74 gboolean g_tree_remove          (GTree            *tree,
75                                  gconstpointer     key);
76 gboolean g_tree_steal           (GTree            *tree,
77                                  gconstpointer     key);
78 gpointer g_tree_lookup          (GTree            *tree,
79                                  gconstpointer     key);
80 gboolean g_tree_lookup_extended (GTree            *tree,
81                                  gconstpointer     lookup_key,
82                                  gpointer         *orig_key,
83                                  gpointer         *value);
84 gpointer g_tree_lookup_related  (GTree            *tree,
85                                  gconstpointer     key,
86                                  GTreeSearchType   search_type,
87                                  guint             version);
88 void     g_tree_foreach         (GTree            *tree,
89                                  GTraverseFunc     func,
90                                  gpointer          user_data);
91
92 #ifndef G_DISABLE_DEPRECATED
93 void     g_tree_traverse        (GTree            *tree,
94                                  GTraverseFunc     traverse_func,
95                                  GTraverseType     traverse_type,
96                                  gpointer          user_data);
97 #endif /* G_DISABLE_DEPRECATED */
98
99 gpointer g_tree_search          (GTree            *tree,
100                                  GCompareFunc      search_func,
101                                  gconstpointer     user_data);
102 gpointer g_tree_search_related  (GTree            *tree,
103                                  GCompareFunc      search_func,
104                                  gconstpointer     user_data,
105                                  GTreeSearchType   search_type);
106 gint     g_tree_height          (GTree            *tree);
107 gint     g_tree_nnodes          (GTree            *tree);
108
109 G_END_DECLS
110
111 #endif /* __G_TREE_H__ */