e9ce64505fac15d4cf886f2063ff42a9a2f225f9
[platform/upstream/glib.git] / glib / ghash.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 2.1 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, see <http://www.gnu.org/licenses/>.
16  */
17
18 /*
19  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
20  * file for a list of people on the GLib Team.  See the ChangeLog
21  * files for a list of changes.  These files are distributed with
22  * GLib at ftp://ftp.gtk.org/pub/gtk/.
23  */
24
25 #ifndef __G_HASH_H__
26 #define __G_HASH_H__
27
28 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
29 #error "Only <glib.h> can be included directly."
30 #endif
31
32 #include <glib/gtypes.h>
33 #include <glib/glist.h>
34
35 G_BEGIN_DECLS
36
37 typedef struct _GHashTable  GHashTable;
38
39 typedef gboolean  (*GHRFunc)  (gpointer  key,
40                                gpointer  value,
41                                gpointer  user_data);
42
43 typedef struct _GHashTableIter GHashTableIter;
44
45 struct _GHashTableIter
46 {
47   /*< private >*/
48   gpointer      dummy1;
49   gpointer      dummy2;
50   gpointer      dummy3;
51   int           dummy4;
52   gboolean      dummy5;
53   gpointer      dummy6;
54 };
55
56 GLIB_AVAILABLE_IN_ALL
57 GHashTable* g_hash_table_new               (GHashFunc       hash_func,
58                                             GEqualFunc      key_equal_func);
59 GLIB_AVAILABLE_IN_ALL
60 GHashTable* g_hash_table_new_full          (GHashFunc       hash_func,
61                                             GEqualFunc      key_equal_func,
62                                             GDestroyNotify  key_destroy_func,
63                                             GDestroyNotify  value_destroy_func);
64 GLIB_AVAILABLE_IN_ALL
65 void        g_hash_table_destroy           (GHashTable     *hash_table);
66 GLIB_AVAILABLE_IN_ALL
67 gboolean    g_hash_table_insert            (GHashTable     *hash_table,
68                                             gpointer        key,
69                                             gpointer        value);
70 GLIB_AVAILABLE_IN_ALL
71 gboolean    g_hash_table_replace           (GHashTable     *hash_table,
72                                             gpointer        key,
73                                             gpointer        value);
74 GLIB_AVAILABLE_IN_ALL
75 gboolean    g_hash_table_add               (GHashTable     *hash_table,
76                                             gpointer        key);
77 GLIB_AVAILABLE_IN_ALL
78 gboolean    g_hash_table_remove            (GHashTable     *hash_table,
79                                             gconstpointer   key);
80 GLIB_AVAILABLE_IN_ALL
81 void        g_hash_table_remove_all        (GHashTable     *hash_table);
82 GLIB_AVAILABLE_IN_ALL
83 gboolean    g_hash_table_steal             (GHashTable     *hash_table,
84                                             gconstpointer   key);
85 GLIB_AVAILABLE_IN_2_58
86 gboolean    g_hash_table_steal_extended    (GHashTable     *hash_table,
87                                             gconstpointer   lookup_key,
88                                             gpointer       *stolen_key,
89                                             gpointer       *stolen_value);
90 GLIB_AVAILABLE_IN_ALL
91 void        g_hash_table_steal_all         (GHashTable     *hash_table);
92 GLIB_AVAILABLE_IN_ALL
93 gpointer    g_hash_table_lookup            (GHashTable     *hash_table,
94                                             gconstpointer   key);
95 GLIB_AVAILABLE_IN_ALL
96 gboolean    g_hash_table_contains          (GHashTable     *hash_table,
97                                             gconstpointer   key);
98 GLIB_AVAILABLE_IN_ALL
99 gboolean    g_hash_table_lookup_extended   (GHashTable     *hash_table,
100                                             gconstpointer   lookup_key,
101                                             gpointer       *orig_key,
102                                             gpointer       *value);
103 GLIB_AVAILABLE_IN_ALL
104 void        g_hash_table_foreach           (GHashTable     *hash_table,
105                                             GHFunc          func,
106                                             gpointer        user_data);
107 GLIB_AVAILABLE_IN_ALL
108 gpointer    g_hash_table_find              (GHashTable     *hash_table,
109                                             GHRFunc         predicate,
110                                             gpointer        user_data);
111 GLIB_AVAILABLE_IN_ALL
112 guint       g_hash_table_foreach_remove    (GHashTable     *hash_table,
113                                             GHRFunc         func,
114                                             gpointer        user_data);
115 GLIB_AVAILABLE_IN_ALL
116 guint       g_hash_table_foreach_steal     (GHashTable     *hash_table,
117                                             GHRFunc         func,
118                                             gpointer        user_data);
119 GLIB_AVAILABLE_IN_ALL
120 guint       g_hash_table_size              (GHashTable     *hash_table);
121 GLIB_AVAILABLE_IN_ALL
122 GList *     g_hash_table_get_keys          (GHashTable     *hash_table);
123 GLIB_AVAILABLE_IN_ALL
124 GList *     g_hash_table_get_values        (GHashTable     *hash_table);
125 GLIB_AVAILABLE_IN_2_40
126 gpointer *  g_hash_table_get_keys_as_array (GHashTable     *hash_table,
127                                             guint          *length);
128
129 GLIB_AVAILABLE_IN_ALL
130 void        g_hash_table_iter_init         (GHashTableIter *iter,
131                                             GHashTable     *hash_table);
132 GLIB_AVAILABLE_IN_ALL
133 gboolean    g_hash_table_iter_next         (GHashTableIter *iter,
134                                             gpointer       *key,
135                                             gpointer       *value);
136 GLIB_AVAILABLE_IN_ALL
137 GHashTable* g_hash_table_iter_get_hash_table (GHashTableIter *iter);
138 GLIB_AVAILABLE_IN_ALL
139 void        g_hash_table_iter_remove       (GHashTableIter *iter);
140 GLIB_AVAILABLE_IN_2_30
141 void        g_hash_table_iter_replace      (GHashTableIter *iter,
142                                             gpointer        value);
143 GLIB_AVAILABLE_IN_ALL
144 void        g_hash_table_iter_steal        (GHashTableIter *iter);
145
146 GLIB_AVAILABLE_IN_ALL
147 GHashTable* g_hash_table_ref               (GHashTable     *hash_table);
148 GLIB_AVAILABLE_IN_ALL
149 void        g_hash_table_unref             (GHashTable     *hash_table);
150
151 #define g_hash_table_freeze(hash_table) ((void)0) GLIB_DEPRECATED_MACRO_IN_2_26
152 #define g_hash_table_thaw(hash_table) ((void)0) GLIB_DEPRECATED_MACRO_IN_2_26
153
154 /* Hash Functions
155  */
156 GLIB_AVAILABLE_IN_ALL
157 gboolean g_str_equal    (gconstpointer  v1,
158                          gconstpointer  v2);
159 GLIB_AVAILABLE_IN_ALL
160 guint    g_str_hash     (gconstpointer  v);
161
162 GLIB_AVAILABLE_IN_ALL
163 gboolean g_int_equal    (gconstpointer  v1,
164                          gconstpointer  v2);
165 GLIB_AVAILABLE_IN_ALL
166 guint    g_int_hash     (gconstpointer  v);
167
168 GLIB_AVAILABLE_IN_ALL
169 gboolean g_int64_equal  (gconstpointer  v1,
170                          gconstpointer  v2);
171 GLIB_AVAILABLE_IN_ALL
172 guint    g_int64_hash   (gconstpointer  v);
173
174 GLIB_AVAILABLE_IN_ALL
175 gboolean g_double_equal (gconstpointer  v1,
176                          gconstpointer  v2);
177 GLIB_AVAILABLE_IN_ALL
178 guint    g_double_hash  (gconstpointer  v);
179
180 GLIB_AVAILABLE_IN_ALL
181 guint    g_direct_hash  (gconstpointer  v) G_GNUC_CONST;
182 GLIB_AVAILABLE_IN_ALL
183 gboolean g_direct_equal (gconstpointer  v1,
184                          gconstpointer  v2) G_GNUC_CONST;
185
186 G_END_DECLS
187
188 #endif /* __G_HASH_H__ */