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Diffstat (limited to 'camel/camel-mime-filter-yenc.h')
| -rw-r--r-- | camel/camel-mime-filter-yenc.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/camel/camel-mime-filter-yenc.h b/camel/camel-mime-filter-yenc.h new file mode 100644 index 0000000000..8471fa5cb7 --- /dev/null +++ b/camel/camel-mime-filter-yenc.h @@ -0,0 +1,109 @@ +/* -*- 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__ */ |