mirror of
https://gitlab.gnome.org/GNOME/glib.git
synced 2024-11-10 03:16:17 +01:00
2c362b7f9e
2007-12-05 Alexander Larsson <alexl@redhat.com>
* gbufferedinputstream.c:
* gbufferedoutputstream.c:
* gdrive.[ch]:
* gfile.[ch]:
* gfileenumerator.[ch]:
* gfileinputstream.c:
* gfileoutputstream.[ch]:
* gfilterinputstream.c:
* gfilteroutputstream.c:
* ginputstream.[ch]:
* glocalfile.c:
* glocalfileenumerator.c:
* glocalfileinputstream.c:
* glocalfileoutputstream.c:
* gmemoryinputstream.c:
* gmemoryoutputstream.c:
* goutputstream.[ch]:
* gseekable.[ch]:
* gunixdrive.c:
* gunixinputstream.c:
* gunixoutputstream.c:
Rename all struct members named:
read, write, close, truncate, or mount
to foo_fn, as these are reserved names
and could be defined as macros in libc.
(#501645)
svn path=/trunk/; revision=6048
401 lines
14 KiB
C
401 lines
14 KiB
C
/* GIO - GLib Input, Output and Streaming Library
|
|
*
|
|
* Copyright (C) 2006-2007 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General
|
|
* Public License along with this library; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*
|
|
* Author: Christian Kellner <gicmo@gnome.org>
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include "gfilterinputstream.h"
|
|
#include "ginputstream.h"
|
|
#include "glibintl.h"
|
|
|
|
#include "gioalias.h"
|
|
|
|
/**
|
|
* SECTION:gfilterinputstream
|
|
* @short_description: Filter Input Stream
|
|
*
|
|
**/
|
|
|
|
enum {
|
|
PROP_0,
|
|
PROP_BASE_STREAM
|
|
};
|
|
|
|
static void g_filter_input_stream_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
|
|
static void g_filter_input_stream_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
static void g_filter_input_stream_finalize (GObject *object);
|
|
|
|
|
|
static gssize g_filter_input_stream_read (GInputStream *stream,
|
|
void *buffer,
|
|
gsize count,
|
|
GCancellable *cancellable,
|
|
GError **error);
|
|
static gssize g_filter_input_stream_skip (GInputStream *stream,
|
|
gsize count,
|
|
GCancellable *cancellable,
|
|
GError **error);
|
|
static gboolean g_filter_input_stream_close (GInputStream *stream,
|
|
GCancellable *cancellable,
|
|
GError **error);
|
|
static void g_filter_input_stream_read_async (GInputStream *stream,
|
|
void *buffer,
|
|
gsize count,
|
|
int io_priority,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data);
|
|
static gssize g_filter_input_stream_read_finish (GInputStream *stream,
|
|
GAsyncResult *result,
|
|
GError **error);
|
|
static void g_filter_input_stream_skip_async (GInputStream *stream,
|
|
gsize count,
|
|
int io_priority,
|
|
GCancellable *cancellabl,
|
|
GAsyncReadyCallback callback,
|
|
gpointer datae);
|
|
static gssize g_filter_input_stream_skip_finish (GInputStream *stream,
|
|
GAsyncResult *result,
|
|
GError **error);
|
|
static void g_filter_input_stream_close_async (GInputStream *stream,
|
|
int io_priority,
|
|
GCancellable *cancellabl,
|
|
GAsyncReadyCallback callback,
|
|
gpointer data);
|
|
static gboolean g_filter_input_stream_close_finish (GInputStream *stream,
|
|
GAsyncResult *result,
|
|
GError **error);
|
|
|
|
G_DEFINE_TYPE (GFilterInputStream, g_filter_input_stream, G_TYPE_INPUT_STREAM)
|
|
|
|
|
|
static void
|
|
g_filter_input_stream_class_init (GFilterInputStreamClass *klass)
|
|
{
|
|
GObjectClass *object_class;
|
|
GInputStreamClass *istream_class;
|
|
|
|
object_class = G_OBJECT_CLASS (klass);
|
|
object_class->get_property = g_filter_input_stream_get_property;
|
|
object_class->set_property = g_filter_input_stream_set_property;
|
|
object_class->finalize = g_filter_input_stream_finalize;
|
|
|
|
istream_class = G_INPUT_STREAM_CLASS (klass);
|
|
istream_class->read_fn = g_filter_input_stream_read;
|
|
istream_class->skip = g_filter_input_stream_skip;
|
|
istream_class->close_fn = g_filter_input_stream_close;
|
|
|
|
istream_class->read_async = g_filter_input_stream_read_async;
|
|
istream_class->read_finish = g_filter_input_stream_read_finish;
|
|
istream_class->skip_async = g_filter_input_stream_skip_async;
|
|
istream_class->skip_finish = g_filter_input_stream_skip_finish;
|
|
istream_class->close_async = g_filter_input_stream_close_async;
|
|
istream_class->close_finish = g_filter_input_stream_close_finish;
|
|
|
|
g_object_class_install_property (object_class,
|
|
PROP_BASE_STREAM,
|
|
g_param_spec_object ("base-stream",
|
|
P_("The Filter Base Stream"),
|
|
P_("The underlying base stream the io ops will be done on"),
|
|
G_TYPE_INPUT_STREAM,
|
|
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
|
|
G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
|
|
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_set_property (GObject *object,
|
|
guint prop_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GObject *obj;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_BASE_STREAM:
|
|
obj = g_value_dup_object (value);
|
|
filter_stream->base_stream = G_INPUT_STREAM (obj);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_get_property (GObject *object,
|
|
guint prop_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (object);
|
|
|
|
switch (prop_id)
|
|
{
|
|
case PROP_BASE_STREAM:
|
|
g_value_set_object (value, filter_stream->base_stream);
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_finalize (GObject *object)
|
|
{
|
|
GFilterInputStream *stream;
|
|
|
|
stream = G_FILTER_INPUT_STREAM (object);
|
|
|
|
g_object_unref (stream->base_stream);
|
|
|
|
if (G_OBJECT_CLASS (g_filter_input_stream_parent_class)->finalize)
|
|
(*G_OBJECT_CLASS (g_filter_input_stream_parent_class)->finalize) (object);
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_init (GFilterInputStream *stream)
|
|
{
|
|
|
|
}
|
|
|
|
/**
|
|
* g_filter_input_stream_get_base_stream:
|
|
* @stream: a #GFilterInputStream.
|
|
*
|
|
* Gets the base stream for the filter stream.
|
|
*
|
|
* Returns: a #GInputStream.
|
|
**/
|
|
GInputStream *
|
|
g_filter_input_stream_get_base_stream (GFilterInputStream *stream)
|
|
{
|
|
g_return_val_if_fail (G_IS_FILTER_INPUT_STREAM (stream), NULL);
|
|
|
|
return stream->base_stream;
|
|
}
|
|
|
|
static gssize
|
|
g_filter_input_stream_read (GInputStream *stream,
|
|
void *buffer,
|
|
gsize count,
|
|
GCancellable *cancellable,
|
|
GError **error)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
gssize nread;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
nread = g_input_stream_read (base_stream,
|
|
buffer,
|
|
count,
|
|
cancellable,
|
|
error);
|
|
|
|
return nread;
|
|
}
|
|
|
|
static gssize
|
|
g_filter_input_stream_skip (GInputStream *stream,
|
|
gsize count,
|
|
GCancellable *cancellable,
|
|
GError **error)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
gssize nskipped;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
nskipped = g_input_stream_skip (base_stream,
|
|
count,
|
|
cancellable,
|
|
error);
|
|
return nskipped;
|
|
}
|
|
|
|
static gboolean
|
|
g_filter_input_stream_close (GInputStream *stream,
|
|
GCancellable *cancellable,
|
|
GError **error)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
gboolean res;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
res = g_input_stream_close (base_stream,
|
|
cancellable,
|
|
error);
|
|
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_read_async (GInputStream *stream,
|
|
void *buffer,
|
|
gsize count,
|
|
int io_priority,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
g_input_stream_read_async (base_stream,
|
|
buffer,
|
|
count,
|
|
io_priority,
|
|
cancellable,
|
|
callback,
|
|
user_data);
|
|
}
|
|
|
|
static gssize
|
|
g_filter_input_stream_read_finish (GInputStream *stream,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
gssize nread;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
nread = g_input_stream_read_finish (base_stream,
|
|
result,
|
|
error);
|
|
|
|
return nread;
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_skip_async (GInputStream *stream,
|
|
gsize count,
|
|
int io_priority,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
g_input_stream_skip_async (base_stream,
|
|
count,
|
|
io_priority,
|
|
cancellable,
|
|
callback,
|
|
user_data);
|
|
|
|
}
|
|
|
|
static gssize
|
|
g_filter_input_stream_skip_finish (GInputStream *stream,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
gssize nskipped;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
nskipped = g_input_stream_skip_finish (base_stream,
|
|
result,
|
|
error);
|
|
|
|
return nskipped;
|
|
}
|
|
|
|
static void
|
|
g_filter_input_stream_close_async (GInputStream *stream,
|
|
int io_priority,
|
|
GCancellable *cancellable,
|
|
GAsyncReadyCallback callback,
|
|
gpointer user_data)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
g_input_stream_close_async (base_stream,
|
|
io_priority,
|
|
cancellable,
|
|
callback,
|
|
user_data);
|
|
}
|
|
|
|
static gboolean
|
|
g_filter_input_stream_close_finish (GInputStream *stream,
|
|
GAsyncResult *result,
|
|
GError **error)
|
|
{
|
|
GFilterInputStream *filter_stream;
|
|
GInputStream *base_stream;
|
|
gboolean res;
|
|
|
|
filter_stream = G_FILTER_INPUT_STREAM (stream);
|
|
base_stream = filter_stream->base_stream;
|
|
|
|
res = g_input_stream_close_finish (stream,
|
|
result,
|
|
error);
|
|
|
|
return res;
|
|
}
|
|
|
|
#define __G_FILTER_INPUT_STREAM_C__
|
|
#include "gioaliasdef.c"
|