1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
5 * SPDX-License-Identifier: LGPL-2.1-or-later
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General
18 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
20 * Author: Alexander Larsson <alexl@redhat.com>
23 #ifndef __G_FILE_INPUT_STREAM_H__
24 #define __G_FILE_INPUT_STREAM_H__
26 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
27 #error "Only <gio/gio.h> can be included directly."
30 #include <gio/ginputstream.h>
34 #define G_TYPE_FILE_INPUT_STREAM (g_file_input_stream_get_type ())
35 #define G_FILE_INPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_FILE_INPUT_STREAM, GFileInputStream))
36 #define G_FILE_INPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_FILE_INPUT_STREAM, GFileInputStreamClass))
37 #define G_IS_FILE_INPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_FILE_INPUT_STREAM))
38 #define G_IS_FILE_INPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_FILE_INPUT_STREAM))
39 #define G_FILE_INPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_FILE_INPUT_STREAM, GFileInputStreamClass))
44 * A subclass of GInputStream for opened files. This adds
45 * a few file-specific operations and seeking.
47 * #GFileInputStream implements #GSeekable.
49 typedef struct _GFileInputStreamClass GFileInputStreamClass;
50 typedef struct _GFileInputStreamPrivate GFileInputStreamPrivate;
52 struct _GFileInputStream
54 GInputStream parent_instance;
57 GFileInputStreamPrivate *priv;
60 struct _GFileInputStreamClass
62 GInputStreamClass parent_class;
64 goffset (* tell) (GFileInputStream *stream);
65 gboolean (* can_seek) (GFileInputStream *stream);
66 gboolean (* seek) (GFileInputStream *stream,
69 GCancellable *cancellable,
71 GFileInfo * (* query_info) (GFileInputStream *stream,
72 const char *attributes,
73 GCancellable *cancellable,
75 void (* query_info_async) (GFileInputStream *stream,
76 const char *attributes,
78 GCancellable *cancellable,
79 GAsyncReadyCallback callback,
81 GFileInfo * (* query_info_finish) (GFileInputStream *stream,
86 /* Padding for future expansion */
87 void (*_g_reserved1) (void);
88 void (*_g_reserved2) (void);
89 void (*_g_reserved3) (void);
90 void (*_g_reserved4) (void);
91 void (*_g_reserved5) (void);
95 GType g_file_input_stream_get_type (void) G_GNUC_CONST;
98 GFileInfo *g_file_input_stream_query_info (GFileInputStream *stream,
99 const char *attributes,
100 GCancellable *cancellable,
103 void g_file_input_stream_query_info_async (GFileInputStream *stream,
104 const char *attributes,
106 GCancellable *cancellable,
107 GAsyncReadyCallback callback,
110 GFileInfo *g_file_input_stream_query_info_finish (GFileInputStream *stream,
111 GAsyncResult *result,
116 #endif /* __G_FILE_FILE_INPUT_STREAM_H__ */