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1 office 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, 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_DATASET_H__
26 #define __G_DATASET_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/gquark.h>
33  
34 G_BEGIN_DECLS
35  
36 typedef struct _GData GData;
37  
38 typedef void (*GDataForeachFunc) (GQuark key_id,
39 gpointer data,
40 gpointer user_data);
41  
42 /* Keyed Data List
43 */
44 GLIB_AVAILABLE_IN_ALL
45 void g_datalist_init (GData **datalist);
46 GLIB_AVAILABLE_IN_ALL
47 void g_datalist_clear (GData **datalist);
48 GLIB_AVAILABLE_IN_ALL
49 gpointer g_datalist_id_get_data (GData **datalist,
50 GQuark key_id);
51 GLIB_AVAILABLE_IN_ALL
52 void g_datalist_id_set_data_full (GData **datalist,
53 GQuark key_id,
54 gpointer data,
55 GDestroyNotify destroy_func);
56  
57 typedef gpointer (*GDuplicateFunc) (gpointer data, gpointer user_data);
58  
59 GLIB_AVAILABLE_IN_2_34
60 gpointer g_datalist_id_dup_data (GData **datalist,
61 GQuark key_id,
62 GDuplicateFunc dup_func,
63 gpointer user_data);
64 GLIB_AVAILABLE_IN_2_34
65 gboolean g_datalist_id_replace_data (GData **datalist,
66 GQuark key_id,
67 gpointer oldval,
68 gpointer newval,
69 GDestroyNotify destroy,
70 GDestroyNotify *old_destroy);
71  
72 GLIB_AVAILABLE_IN_ALL
73 gpointer g_datalist_id_remove_no_notify (GData **datalist,
74 GQuark key_id);
75 GLIB_AVAILABLE_IN_ALL
76 void g_datalist_foreach (GData **datalist,
77 GDataForeachFunc func,
78 gpointer user_data);
79  
80 /**
81 * G_DATALIST_FLAGS_MASK:
82 *
83 * A bitmask that restricts the possible flags passed to
84 * g_datalist_set_flags(). Passing a flags value where
85 * flags & ~G_DATALIST_FLAGS_MASK != 0 is an error.
86 */
87 #define G_DATALIST_FLAGS_MASK 0x3
88  
89 GLIB_AVAILABLE_IN_ALL
90 void g_datalist_set_flags (GData **datalist,
91 guint flags);
92 GLIB_AVAILABLE_IN_ALL
93 void g_datalist_unset_flags (GData **datalist,
94 guint flags);
95 GLIB_AVAILABLE_IN_ALL
96 guint g_datalist_get_flags (GData **datalist);
97  
98 #define g_datalist_id_set_data(dl, q, d) \
99 g_datalist_id_set_data_full ((dl), (q), (d), NULL)
100 #define g_datalist_id_remove_data(dl, q) \
101 g_datalist_id_set_data ((dl), (q), NULL)
102 #define g_datalist_set_data_full(dl, k, d, f) \
103 g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f))
104 #define g_datalist_remove_no_notify(dl, k) \
105 g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k))
106 #define g_datalist_set_data(dl, k, d) \
107 g_datalist_set_data_full ((dl), (k), (d), NULL)
108 #define g_datalist_remove_data(dl, k) \
109 g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL)
110  
111 /* Location Associated Keyed Data
112 */
113 GLIB_AVAILABLE_IN_ALL
114 void g_dataset_destroy (gconstpointer dataset_location);
115 GLIB_AVAILABLE_IN_ALL
116 gpointer g_dataset_id_get_data (gconstpointer dataset_location,
117 GQuark key_id);
118 GLIB_AVAILABLE_IN_ALL
119 gpointer g_datalist_get_data (GData **datalist,
120 const gchar *key);
121 GLIB_AVAILABLE_IN_ALL
122 void g_dataset_id_set_data_full (gconstpointer dataset_location,
123 GQuark key_id,
124 gpointer data,
125 GDestroyNotify destroy_func);
126 GLIB_AVAILABLE_IN_ALL
127 gpointer g_dataset_id_remove_no_notify (gconstpointer dataset_location,
128 GQuark key_id);
129 GLIB_AVAILABLE_IN_ALL
130 void g_dataset_foreach (gconstpointer dataset_location,
131 GDataForeachFunc func,
132 gpointer user_data);
133 #define g_dataset_id_set_data(l, k, d) \
134 g_dataset_id_set_data_full ((l), (k), (d), NULL)
135 #define g_dataset_id_remove_data(l, k) \
136 g_dataset_id_set_data ((l), (k), NULL)
137 #define g_dataset_get_data(l, k) \
138 (g_dataset_id_get_data ((l), g_quark_try_string (k)))
139 #define g_dataset_set_data_full(l, k, d, f) \
140 g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
141 #define g_dataset_remove_no_notify(l, k) \
142 g_dataset_id_remove_no_notify ((l), g_quark_try_string (k))
143 #define g_dataset_set_data(l, k, d) \
144 g_dataset_set_data_full ((l), (k), (d), NULL)
145 #define g_dataset_remove_data(l, k) \
146 g_dataset_id_set_data ((l), g_quark_try_string (k), NULL)
147  
148 G_END_DECLS
149  
150 #endif /* __G_DATASET_H__ */