glib/gio/gbufferedinputstream.h

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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: Christian Kellner <gicmo@gnome.org>
*/
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#ifndef __G_BUFFERED_INPUT_STREAM_H__
#define __G_BUFFERED_INPUT_STREAM_H__
#include <glib-object.h>
#include <gio/gfilterinputstream.h>
G_BEGIN_DECLS
#define G_TYPE_BUFFERED_INPUT_STREAM (g_buffered_input_stream_get_type ())
#define G_BUFFERED_INPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_BUFFERED_INPUT_STREAM, GBufferedInputStream))
#define G_BUFFERED_INPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_BUFFERED_INPUT_STREAM, GBufferedInputStreamClass))
#define G_IS_BUFFERED_INPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_BUFFERED_INPUT_STREAM))
#define G_IS_BUFFERED_INPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_BUFFERED_INPUT_STREAM))
#define G_BUFFERED_INPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_BUFFERED_INPUT_STREAM, GBufferedInputStreamClass))
/**
* GBufferedInputStream:
*
* Implements #GFilterInputStream with a sized input buffer.
**/
typedef struct _GBufferedInputStream GBufferedInputStream;
typedef struct _GBufferedInputStreamClass GBufferedInputStreamClass;
typedef struct _GBufferedInputStreamPrivate GBufferedInputStreamPrivate;
struct _GBufferedInputStream
{
GFilterInputStream parent_instance;
/*< private >*/
GBufferedInputStreamPrivate *priv;
};
struct _GBufferedInputStreamClass
{
GFilterInputStreamClass parent_class;
gssize (* fill) (GBufferedInputStream *stream,
gssize count,
GCancellable *cancellable,
GError **error);
/* Async ops: (optional in derived classes) */
void (* fill_async) (GBufferedInputStream *stream,
gssize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize (* fill_finish) (GBufferedInputStream *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_buffered_input_stream_get_type (void) G_GNUC_CONST;
GInputStream* g_buffered_input_stream_new (GInputStream *base_stream);
GInputStream* g_buffered_input_stream_new_sized (GInputStream *base_stream,
gsize size);
gsize g_buffered_input_stream_get_buffer_size (GBufferedInputStream *stream);
void g_buffered_input_stream_set_buffer_size (GBufferedInputStream *stream,
gsize size);
gsize g_buffered_input_stream_get_available (GBufferedInputStream *stream);
gsize g_buffered_input_stream_peek (GBufferedInputStream *stream,
void *buffer,
gsize offset,
gsize count);
const void* g_buffered_input_stream_peek_buffer (GBufferedInputStream *stream,
gsize *count);
gssize g_buffered_input_stream_fill (GBufferedInputStream *stream,
gssize count,
GCancellable *cancellable,
GError **error);
void g_buffered_input_stream_fill_async (GBufferedInputStream *stream,
gssize count,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize g_buffered_input_stream_fill_finish (GBufferedInputStream *stream,
GAsyncResult *result,
GError **error);
int g_buffered_input_stream_read_byte (GBufferedInputStream *stream,
GCancellable *cancellable,
GError **error);
G_END_DECLS
#endif /* __G_BUFFERED_INPUT_STREAM_H__ */