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/* 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: Alexander Larsson <alexl@redhat.com>
*/
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#ifndef __G_INPUT_STREAM_H__
#define __G_INPUT_STREAM_H__
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_INPUT_STREAM (g_input_stream_get_type ())
#define G_INPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_INPUT_STREAM, GInputStream))
#define G_INPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_INPUT_STREAM, GInputStreamClass))
#define G_IS_INPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_INPUT_STREAM))
#define G_IS_INPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_INPUT_STREAM))
#define G_INPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_INPUT_STREAM, GInputStreamClass))
/**
* GInputStream:
*
* Base class for streaming input operations.
**/
typedef struct _GInputStreamClass GInputStreamClass;
typedef struct _GInputStreamPrivate GInputStreamPrivate;
struct _GInputStream
{
GObject parent_instance;
/*< private >*/
GInputStreamPrivate *priv;
};
struct _GInputStreamClass
{
GObjectClass parent_class;
/* Sync ops: */
gssize (* read_fn) (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error);
gssize (* skip) (GInputStream *stream,
gsize count,
GCancellable *cancellable,
GError **error);
gboolean (* close_fn) (GInputStream *stream,
GCancellable *cancellable,
GError **error);
/* Async ops: (optional in derived classes) */
void (* read_async) (GInputStream *stream,
void *buffer,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize (* read_finish) (GInputStream *stream,
GAsyncResult *result,
GError **error);
void (* skip_async) (GInputStream *stream,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize (* skip_finish) (GInputStream *stream,
GAsyncResult *result,
GError **error);
void (* close_async) (GInputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean (* close_finish) (GInputStream *stream,
GAsyncResult *result,
GError **error);
/*< private >*/
/* Padding for future expansion */
void (*_g_reserved1) (void);
void (*_g_reserved2) (void);
void (*_g_reserved3) (void);
void (*_g_reserved4) (void);
void (*_g_reserved5) (void);
};
GType g_input_stream_get_type (void) G_GNUC_CONST;
gssize g_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error);
gboolean g_input_stream_read_all (GInputStream *stream,
void *buffer,
gsize count,
gsize *bytes_read,
GCancellable *cancellable,
GError **error);
gssize g_input_stream_skip (GInputStream *stream,
gsize count,
GCancellable *cancellable,
GError **error);
gboolean g_input_stream_close (GInputStream *stream,
GCancellable *cancellable,
GError **error);
void g_input_stream_read_async (GInputStream *stream,
void *buffer,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize g_input_stream_read_finish (GInputStream *stream,
GAsyncResult *result,
GError **error);
void g_input_stream_skip_async (GInputStream *stream,
gsize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize g_input_stream_skip_finish (GInputStream *stream,
GAsyncResult *result,
GError **error);
void g_input_stream_close_async (GInputStream *stream,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gboolean g_input_stream_close_finish (GInputStream *stream,
GAsyncResult *result,
GError **error);
/* For implementations: */
gboolean g_input_stream_is_closed (GInputStream *stream);
gboolean g_input_stream_has_pending (GInputStream *stream);
gboolean g_input_stream_set_pending (GInputStream *stream,
GError **error);
void g_input_stream_clear_pending (GInputStream *stream);
G_END_DECLS
#endif /* __G_INPUT_STREAM_H__ */
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