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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*
* Copyright 2002-2004 Ximian, Inc. (www.ximian.com)
*
* 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 Street #330, Boston, MA 02111-1307, USA.
*
*/
#ifndef __CAMEL_MIME_FILTER_YENC_H__
#define __CAMEL_MIME_FILTER_YENC_H__
#include <camel/camel-mime-filter.h>
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */
#define CAMEL_TYPE_MIME_FILTER_YENC (camel_mime_filter_yenc_get_type ())
#define CAMEL_MIME_FILTER_YENC(obj) (CAMEL_CHECK_CAST ((obj), CAMEL_TYPE_MIME_FILTER_YENC, CamelMimeFilterYenc))
#define CAMEL_MIME_FILTER_YENC_CLASS(klass) (CAMEL_CHECK_CLASS_CAST ((klass), CAMEL_TYPE_MIME_FILTER_YENC, CamelMimeFilterYencClass))
#define CAMEL_IS_MIME_FILTER_YENC(obj) (CAMEL_CHECK_TYPE ((obj), CAMEL_TYPE_MIME_FILTER_YENC))
#define CAMEL_IS_MIME_FILTER_YENC_CLASS(klass) (CAMEL_CHECK_CLASS_TYPE ((klass), CAMEL_TYPE_MIME_FILTER_YENC))
#define CAMEL_MIME_FILTER_YENC_GET_CLASS(obj) (CAMEL_CHECK_GET_CLASS ((obj), CAMEL_TYPE_MIME_FILTER_YENC, CamelMimeFilterYencClass))
typedef struct _CamelMimeFilterYenc CamelMimeFilterYenc;
typedef struct _CamelMimeFilterYencClass CamelMimeFilterYencClass;
typedef enum {
CAMEL_MIME_FILTER_YENC_DIRECTION_ENCODE,
CAMEL_MIME_FILTER_YENC_DIRECTION_DECODE
} CamelMimeFilterYencDirection;
#define CAMEL_MIME_YDECODE_STATE_INIT (0)
#define CAMEL_MIME_YENCODE_STATE_INIT (0)
/* first 8 bits are reserved for saving a byte */
/* reserved for use only within camel_mime_ydecode_step */
#define CAMEL_MIME_YDECODE_STATE_EOLN (1 << 8)
#define CAMEL_MIME_YDECODE_STATE_ESCAPE (1 << 9)
/* bits 10 and 11 reserved for later uses? */
#define CAMEL_MIME_YDECODE_STATE_BEGIN (1 << 12)
#define CAMEL_MIME_YDECODE_STATE_PART (1 << 13)
#define CAMEL_MIME_YDECODE_STATE_DECODE (1 << 14)
#define CAMEL_MIME_YDECODE_STATE_END (1 << 15)
#define CAMEL_MIME_YENCODE_CRC_INIT (~0)
#define CAMEL_MIME_YENCODE_CRC_FINAL(crc) (~crc)
struct _CamelMimeFilterYenc {
CamelMimeFilter parent_object;
CamelMimeFilterYencDirection direction;
int part;
int state;
guint32 pcrc;
guint32 crc;
};
struct _CamelMimeFilterYencClass {
CamelMimeFilterClass parent_class;
};
CamelType camel_mime_filter_yenc_get_type (void);
CamelMimeFilter *camel_mime_filter_yenc_new (CamelMimeFilterYencDirection direction);
void camel_mime_filter_yenc_set_state (CamelMimeFilterYenc *yenc, int state);
void camel_mime_filter_yenc_set_crc (CamelMimeFilterYenc *yenc, guint32 crc);
/*int camel_mime_filter_yenc_get_part (CamelMimeFilterYenc *yenc);*/
guint32 camel_mime_filter_yenc_get_pcrc (CamelMimeFilterYenc *yenc);
guint32 camel_mime_filter_yenc_get_crc (CamelMimeFilterYenc *yenc);
size_t camel_ydecode_step (const unsigned char *in, size_t inlen, unsigned char *out,
int *state, guint32 *pcrc, guint32 *crc);
size_t camel_yencode_step (const unsigned char *in, size_t inlen, unsigned char *out,
int *state, guint32 *pcrc, guint32 *crc);
size_t camel_yencode_close (const unsigned char *in, size_t inlen, unsigned char *out,
int *state, guint32 *pcrc, guint32 *crc);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __CAMEL_MIME_FILTER_YENC_H__ */
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