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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; fill-column: 160 -*- */
/* camel-stream.h : class for an abstract stream
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* 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.
*
* 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, see <http://www.gnu.org/licenses/>.
*
* Authors: Bertrand Guiheneuf <bertrand@helixcode.com>
*/
#if !defined (__CAMEL_H_INSIDE__) && !defined (CAMEL_COMPILATION)
#error "Only <camel/camel.h> can be included directly."
#endif
#ifndef CAMEL_STREAM_H
#define CAMEL_STREAM_H
#include <stdarg.h>
#include <unistd.h>
#include <gio/gio.h>
/* Standard GObject macros */
#define CAMEL_TYPE_STREAM \
(camel_stream_get_type ())
#define CAMEL_STREAM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST \
((obj), CAMEL_TYPE_STREAM, CamelStream))
#define CAMEL_STREAM_CLASS(cls) \
(G_TYPE_CHECK_CLASS_CAST \
((cls), CAMEL_TYPE_STREAM, CamelStreamClass))
#define CAMEL_IS_STREAM(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE \
((obj), CAMEL_TYPE_STREAM))
#define CAMEL_IS_STREAM_CLASS(cls) \
(G_TYPE_CHECK_CLASS_TYPE \
((cls), CAMEL_TYPE_STREAM))
#define CAMEL_STREAM_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS \
((obj), CAMEL_TYPE_STREAM, CamelStreamClass))
G_BEGIN_DECLS
typedef struct _CamelStream CamelStream;
typedef struct _CamelStreamClass CamelStreamClass;
typedef struct _CamelStreamPrivate CamelStreamPrivate;
struct _CamelStream {
GObject parent;
CamelStreamPrivate *priv;
gboolean eos;
};
struct _CamelStreamClass {
GObjectClass parent_class;
gssize (*read) (CamelStream *stream,
gchar *buffer,
gsize n,
GCancellable *cancellable,
GError **error);
gssize (*write) (CamelStream *stream,
const gchar *buffer,
gsize n,
GCancellable *cancellable,
GError **error);
gint (*close) (CamelStream *stream,
GCancellable *cancellable,
GError **error);
gint (*flush) (CamelStream *stream,
GCancellable *cancellable,
GError **error);
gboolean (*eos) (CamelStream *stream);
};
GType camel_stream_get_type (void);
CamelStream * camel_stream_new (GIOStream *base_stream);
GIOStream * camel_stream_ref_base_stream (CamelStream *stream);
void camel_stream_set_base_stream (CamelStream *stream,
GIOStream *base_stream);
gssize camel_stream_read (CamelStream *stream,
gchar *buffer,
gsize n,
GCancellable *cancellable,
GError **error);
gssize camel_stream_write (CamelStream *stream,
const gchar *buffer,
gsize n,
GCancellable *cancellable,
GError **error);
gint camel_stream_flush (CamelStream *stream,
GCancellable *cancellable,
GError **error);
gint camel_stream_close (CamelStream *stream,
GCancellable *cancellable,
GError **error);
gboolean camel_stream_eos (CamelStream *stream);
/* utility macros and funcs */
gssize camel_stream_write_string (CamelStream *stream,
const gchar *string,
GCancellable *cancellable,
GError **error);
/* Write a whole stream to another stream, until eof or error on
* either stream. */
gssize camel_stream_write_to_stream (CamelStream *stream,
CamelStream *output_stream,
GCancellable *cancellable,
GError **error);
G_END_DECLS
#endif /* CAMEL_STREAM_H */
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