/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-stream.c : abstract class for a stream */
/*
*
* Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@inria.fr> .
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "camel-stream.h"
static CamelStreamClass *parent_class=NULL;
/* Returns the class for a CamelMimeMessage */
#define CS_CLASS(so) CAMEL_STREAM_CLASS (GTK_OBJECT(so)->klass)
static gint _read (CamelStream *stream, gchar *buffer, gint n);
static gint _write (CamelStream *stream, gchar *buffer, gint n);
static void _flush (CamelStream *stream);
static gint _available (CamelStream *stream);
static gboolean _eos (CamelStream *stream);
static void _close (CamelStream *stream);
static void
camel_stream_class_init (CamelStreamClass *camel_stream_class)
{
parent_class = gtk_type_class (gtk_object_get_type ());
/* virtual method definition */
camel_stream_class->read = _read;
camel_stream_class->write = _write;
camel_stream_class->flush = _flush;
camel_stream_class->available = _available;
camel_stream_class->eos = _eos;
camel_stream_class->close = _close;
/* virtual method overload */
}
GtkType
camel_stream_get_type (void)
{
static GtkType camel_stream_type = 0;
if (!camel_stream_type) {
GtkTypeInfo camel_stream_info =
{
"CamelStream",
sizeof (CamelStream),
sizeof (CamelStreamClass),
(GtkClassInitFunc) camel_stream_class_init,
(GtkObjectInitFunc) NULL,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_stream_type = gtk_type_unique (gtk_object_get_type (), &camel_stream_info);
}
return camel_stream_type;
}
/**
* _read: read bytes from a stream
* @stream: stream
* @buffer: buffer where bytes are stored
* @n: max number of bytes to read
*
*
*
* Return value: number of bytes actually read.
**/
static gint
_read (CamelStream *stream, gchar *buffer, gint n)
{
}
gint
camel_stream_read (CamelStream *stream, gchar *buffer, gint n)
{
CS_CLASS (stream)->read (stream, buffer, n);
}
/**
* _write: read bytes to a stream
* @stream: the stream
* @buffer: byte buffer
* @n: number of bytes to write
*
*
*
* Return value: the number of bytes actually written
* in the stream.
**/
static gint
_write (CamelStream *stream, gchar *buffer, gint n)
{
}
gint
camel_stream_write (CamelStream *stream, gchar *buffer, gint n)
{
CS_CLASS (stream)->write (stream, buffer, n);
}
/**
* _flush: flush pending changes
* @stream: the stream
*
*
**/
static void
_flush (CamelStream *stream)
{
}
/**
* _available: return the number of bytes available for reading
* @stream: the stream
*
* Return the number of bytes available without blocking.
*
* Return value: the number of bytes available
**/
static gint
_available (CamelStream *stream)
{
}
/**
* _eos: test if there are bytes left to read
* @stream: the stream
*
*
*
* Return value: true if all stream has been read
**/
static gboolean
_eos (CamelStream *stream)
{
}
/**
* _close: close a stream
* @stream: the stream
*
*
**/
static void
_close (CamelStream *stream)
{
}
void
camel_stream_close (CamelStream *stream)
{
CS_CLASS (stream)->close (stream);
}
/***************** Utility functions ********************/
void
camel_stream_write_strings (CamelStream *stream, ... )
{
va_list args;
char *string;
va_start(args, stream);
string = va_arg (args, char *);
while (string) {
camel_stream_write_string(stream, string);
string = va_arg (args, char *);
}
va_end (args);
}
