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, 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_DATASET_H__
  32 #define __G_DATASET_H__
  33
  34 #include <glib/gquark.h>
  35
  36 G_BEGIN_DECLS
  37
  38 typedef struct _GData           GData;
  39
  40 typedef void            (*GDataForeachFunc)     (GQuark         key_id,
  41                                                  gpointer       data,
  42                                                  gpointer       user_data);
  43
  44 /* Keyed Data List
  45  */
  46 void     g_datalist_init                (GData            **datalist);
  47 void     g_datalist_clear               (GData            **datalist);
  48 gpointer g_datalist_id_get_data         (GData            **datalist,
  49                                          GQuark             key_id);
  50 void     g_datalist_id_set_data_full    (GData            **datalist,
  51                                          GQuark             key_id,
  52                                          gpointer           data,
  53                                          GDestroyNotify     destroy_func);
  54 gpointer g_datalist_id_remove_no_notify (GData            **datalist,
  55                                          GQuark             key_id);
  56 void     g_datalist_foreach             (GData            **datalist,
  57                                          GDataForeachFunc   func,
  58                                          gpointer           user_data);
  59
  60 /**
  61  * G_DATALIST_FLAGS_MASK:
  62  *
  63  * A bitmask that restricts the possible flags passed to
  64  * g_datalist_set_flags(). Passing a flags value where
  65  * flags & ~G_DATALIST_FLAGS_MASK != 0 is an error.
  66  */
  67 #define G_DATALIST_FLAGS_MASK 0x3
  68
  69 void     g_datalist_set_flags           (GData            **datalist,
  70                                          guint              flags);
  71 void     g_datalist_unset_flags         (GData            **datalist,
  72                                          guint              flags);
  73 guint    g_datalist_get_flags           (GData            **datalist);
  74
  75 #define   g_datalist_id_set_data(dl, q, d)      \
  76      g_datalist_id_set_data_full ((dl), (q), (d), NULL)
  77 #define   g_datalist_id_remove_data(dl, q)      \
  78      g_datalist_id_set_data ((dl), (q), NULL)
  79 #define   g_datalist_get_data(dl, k)            \
  80      (g_datalist_id_get_data ((dl), g_quark_try_string (k)))
  81 #define   g_datalist_set_data_full(dl, k, d, f) \
  82      g_datalist_id_set_data_full ((dl), g_quark_from_string (k), (d), (f))
  83 #define   g_datalist_remove_no_notify(dl, k)    \
  84      g_datalist_id_remove_no_notify ((dl), g_quark_try_string (k))
  85 #define   g_datalist_set_data(dl, k, d)         \
  86      g_datalist_set_data_full ((dl), (k), (d), NULL)
  87 #define   g_datalist_remove_data(dl, k)         \
  88      g_datalist_id_set_data ((dl), g_quark_try_string (k), NULL)
  89
  90
  91 /* Location Associated Keyed Data
  92  */
  93 void      g_dataset_destroy             (gconstpointer    dataset_location);
  94 gpointer  g_dataset_id_get_data         (gconstpointer    dataset_location,
  95                                          GQuark           key_id);
  96 void      g_dataset_id_set_data_full    (gconstpointer    dataset_location,
  97                                          GQuark           key_id,
  98                                          gpointer         data,
  99                                          GDestroyNotify   destroy_func);
 100 gpointer  g_dataset_id_remove_no_notify (gconstpointer    dataset_location,
 101                                          GQuark           key_id);
 102 void      g_dataset_foreach             (gconstpointer    dataset_location,
 103                                          GDataForeachFunc func,
 104                                          gpointer         user_data);
 105 #define   g_dataset_id_set_data(l, k, d)        \
 106      g_dataset_id_set_data_full ((l), (k), (d), NULL)
 107 #define   g_dataset_id_remove_data(l, k)        \
 108      g_dataset_id_set_data ((l), (k), NULL)
 109 #define   g_dataset_get_data(l, k)              \
 110      (g_dataset_id_get_data ((l), g_quark_try_string (k)))
 111 #define   g_dataset_set_data_full(l, k, d, f)   \
 112      g_dataset_id_set_data_full ((l), g_quark_from_string (k), (d), (f))
 113 #define   g_dataset_remove_no_notify(l, k)      \
 114      g_dataset_id_remove_no_notify ((l), g_quark_try_string (k))
 115 #define   g_dataset_set_data(l, k, d)           \
 116      g_dataset_set_data_full ((l), (k), (d), NULL)
 117 #define   g_dataset_remove_data(l, k)           \
 118      g_dataset_id_set_data ((l), g_quark_try_string (k), NULL)
 119
 120 G_END_DECLS
 121
 122 #endif /* __G_DATASET_H__ */