glib/gdataset.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, 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__ */