gio/gfileenumerator.h

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2006-2007 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * Author: Alexander Larsson <alexl@redhat.com>
  19  */
  20
  21 #ifndef __G_FILE_ENUMERATOR_H__
  22 #define __G_FILE_ENUMERATOR_H__
  23
  24 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
  25 #error "Only <gio/gio.h> can be included directly."
  26 #endif
  27
  28 #include <gio/giotypes.h>
  29
  30 G_BEGIN_DECLS
  31
  32 #define G_TYPE_FILE_ENUMERATOR         (g_file_enumerator_get_type ())
  33 #define G_FILE_ENUMERATOR(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_FILE_ENUMERATOR, GFileEnumerator))
  34 #define G_FILE_ENUMERATOR_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_FILE_ENUMERATOR, GFileEnumeratorClass))
  35 #define G_IS_FILE_ENUMERATOR(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_FILE_ENUMERATOR))
  36 #define G_IS_FILE_ENUMERATOR_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_FILE_ENUMERATOR))
  37 #define G_FILE_ENUMERATOR_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_FILE_ENUMERATOR, GFileEnumeratorClass))
  38
  39 /**
  40  * GFileEnumerator:
  41  *
  42  * A per matched file iterator.
  43  **/
  44 typedef struct _GFileEnumeratorClass    GFileEnumeratorClass;
  45 typedef struct _GFileEnumeratorPrivate  GFileEnumeratorPrivate;
  46
  47 struct _GFileEnumerator
  48 {
  49   GObject parent_instance;
  50
  51   /*< private >*/
  52   GFileEnumeratorPrivate *priv;
  53 };
  54
  55 struct _GFileEnumeratorClass
  56 {
  57   GObjectClass parent_class;
  58
  59   /* Virtual Table */
  60
  61   GFileInfo * (* next_file)         (GFileEnumerator      *enumerator,
  62                                      GCancellable         *cancellable,
  63                                      GError              **error);
  64   gboolean    (* close_fn)          (GFileEnumerator      *enumerator,
  65                                      GCancellable         *cancellable,
  66                                      GError              **error);
  67
  68   void        (* next_files_async)  (GFileEnumerator      *enumerator,
  69                                      int                   num_files,
  70                                      int                   io_priority,
  71                                      GCancellable         *cancellable,
  72                                      GAsyncReadyCallback   callback,
  73                                      gpointer              user_data);
  74   GList *     (* next_files_finish) (GFileEnumerator      *enumerator,
  75                                      GAsyncResult         *result,
  76                                      GError              **error);
  77   void        (* close_async)       (GFileEnumerator      *enumerator,
  78                                      int                   io_priority,
  79                                      GCancellable         *cancellable,
  80                                      GAsyncReadyCallback   callback,
  81                                      gpointer              user_data);
  82   gboolean    (* close_finish)      (GFileEnumerator      *enumerator,
  83                                      GAsyncResult         *result,
  84                                      GError              **error);
  85
  86   /*< private >*/
  87   /* Padding for future expansion */
  88   void (*_g_reserved1) (void);
  89   void (*_g_reserved2) (void);
  90   void (*_g_reserved3) (void);
  91   void (*_g_reserved4) (void);
  92   void (*_g_reserved5) (void);
  93   void (*_g_reserved6) (void);
  94   void (*_g_reserved7) (void);
  95 };
  96
  97 GLIB_AVAILABLE_IN_ALL
  98 GType      g_file_enumerator_get_type          (void) G_GNUC_CONST;
  99
 100 GLIB_AVAILABLE_IN_ALL
 101 GFileInfo *g_file_enumerator_next_file         (GFileEnumerator      *enumerator,
 102                                                 GCancellable         *cancellable,
 103                                                 GError              **error);
 104 GLIB_AVAILABLE_IN_ALL
 105 gboolean   g_file_enumerator_close             (GFileEnumerator      *enumerator,
 106                                                 GCancellable         *cancellable,
 107                                                 GError              **error);
 108 GLIB_AVAILABLE_IN_ALL
 109 void       g_file_enumerator_next_files_async  (GFileEnumerator      *enumerator,
 110                                                 int                   num_files,
 111                                                 int                   io_priority,
 112                                                 GCancellable         *cancellable,
 113                                                 GAsyncReadyCallback   callback,
 114                                                 gpointer              user_data);
 115 GLIB_AVAILABLE_IN_ALL
 116 GList *    g_file_enumerator_next_files_finish (GFileEnumerator      *enumerator,
 117                                                 GAsyncResult         *result,
 118                                                 GError              **error);
 119 GLIB_AVAILABLE_IN_ALL
 120 void       g_file_enumerator_close_async       (GFileEnumerator      *enumerator,
 121                                                 int                   io_priority,
 122                                                 GCancellable         *cancellable,
 123                                                 GAsyncReadyCallback   callback,
 124                                                 gpointer              user_data);
 125 GLIB_AVAILABLE_IN_ALL
 126 gboolean   g_file_enumerator_close_finish      (GFileEnumerator      *enumerator,
 127                                                 GAsyncResult         *result,
 128                                                 GError              **error);
 129 GLIB_AVAILABLE_IN_ALL
 130 gboolean   g_file_enumerator_is_closed         (GFileEnumerator      *enumerator);
 131 GLIB_AVAILABLE_IN_ALL
 132 gboolean   g_file_enumerator_has_pending       (GFileEnumerator      *enumerator);
 133 GLIB_AVAILABLE_IN_ALL
 134 void       g_file_enumerator_set_pending       (GFileEnumerator      *enumerator,
 135                                                 gboolean              pending);
 136 GLIB_AVAILABLE_IN_ALL
 137 GFile *    g_file_enumerator_get_container     (GFileEnumerator *enumerator);
 138 GLIB_AVAILABLE_IN_2_36
 139 GFile *    g_file_enumerator_get_child         (GFileEnumerator *enumerator,
 140                                                 GFileInfo       *info);
 141
 142 GLIB_AVAILABLE_IN_2_44
 143 gboolean   g_file_enumerator_iterate           (GFileEnumerator  *direnum,
 144                                                 GFileInfo       **out_info,
 145                                                 GFile           **out_child,
 146                                                 GCancellable     *cancellable,
 147                                                 GError          **error);
 148
 149
 150 G_END_DECLS
 151
 152 #endif /* __G_FILE_ENUMERATOR_H__ */