glib/gio/gconverter.h

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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2009 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>
*/
#ifndef __G_CONVERTER_H__
#define __G_CONVERTER_H__
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif
#include <gio/giotypes.h>
G_BEGIN_DECLS
#define G_TYPE_CONVERTER (g_converter_get_type ())
#define G_CONVERTER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_CONVERTER, GConverter))
#define G_IS_CONVERTER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_CONVERTER))
#define G_CONVERTER_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_CONVERTER, GConverterIface))
/**
* GConverter:
*
* Seek object for streaming operations.
*
* Since: 2.24
**/
typedef struct _GConverterIface GConverterIface;
/**
* GConverterIface:
* @g_iface: The parent interface.
* @convert: Converts data.
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* @reset: Reverts the internal state of the converter to its initial state.
*
* Provides an interface for converting data from one type
* to another type. The conversion can be stateful
* and may fail at any place.
*
* Since: 2.24
**/
struct _GConverterIface
{
GTypeInterface g_iface;
/* Virtual Table */
GConverterResult (* convert) (GConverter *converter,
const void *inbuf,
gsize inbuf_size,
void *outbuf,
gsize outbuf_size,
GConverterFlags flags,
gsize *bytes_read,
gsize *bytes_written,
GError **error);
void (* reset) (GConverter *converter);
};
GType g_converter_get_type (void) G_GNUC_CONST;
GConverterResult g_converter_convert (GConverter *converter,
const void *inbuf,
gsize inbuf_size,
void *outbuf,
gsize outbuf_size,
GConverterFlags flags,
gsize *bytes_read,
gsize *bytes_written,
GError **error);
void g_converter_reset (GConverter *converter);
G_END_DECLS
#endif /* __G_CONVERTER_H__ */