/*
  *  Copyright (C) 2002 Nigel Horne <njh@bandsman.co.uk>
  *
  *  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., 675 Mass Ave, Cambridge, MA 02139, USA.

  *
  * $Log: message.h,v $

  * Revision 1.22  2004/11/22 15:18:51  nigelhorne
  * Performance work
  *

  * Revision 1.21  2004/10/16 17:24:15  nigelhorne
  * Handle colons in quotes in headers
  *

  * Revision 1.20  2004/10/14 17:45:55  nigelhorne
  * Try to reclaim some memory if it becomes low when decoding
  *

  * Revision 1.19  2004/09/17 13:47:19  nigelhorne
  * Handle yEnc attachments
  *

  * Revision 1.18  2004/09/17 09:48:53  nigelhorne
  * Handle attempts to hide mime type
  *

  * Revision 1.17  2004/09/15 18:08:23  nigelhorne
  * Handle multiple encoding types
  *

  * Revision 1.16  2004/08/23 13:15:16  nigelhorne
  * messageClearMarkers
  *

  * Revision 1.15  2004/08/22 15:08:59  nigelhorne
  * messageExport
  *

  * Revision 1.14  2004/08/22 10:34:24  nigelhorne
  * Use fileblob
  *

  * Revision 1.13  2004/08/21 11:57:57  nigelhorne
  * Use line.[ch]
  *

  * Revision 1.12  2004/07/20 14:35:29  nigelhorne
  * Some MYDOOM.I were getting through
  *

  * Revision 1.11  2004/05/06 18:01:25  nigelhorne
  * Force attachments marked as RFC822 messages to be scanned
  *

  * Revision 1.10  2004/04/05 12:04:56  nigelhorne
  * Scan attachments with no filename
  *

  * Revision 1.9  2004/04/01 15:32:34  nigelhorne
  * Graceful exit if messageAddLine fails in strdup
  *

  * Revision 1.8  2004/03/29 09:22:03  nigelhorne
  * Tidy up code and reduce shuffling of data
  *

  * Revision 1.7  2004/03/21 17:19:49  nigelhorne
  * Handle bounce messages with no headers
  *

  * Revision 1.6  2004/03/21 09:41:27  nigelhorne
  * Faster scanning for non MIME messages
  *

  * Revision 1.5  2004/01/28 10:15:24  nigelhorne
  * Added support to scan some bounce messages
  *

  * Revision 1.4  2004/01/14 18:02:55  nigelhorne
  * added definition of binhexBegin
  *

  */
 
 #ifndef	_MESSAGE_H
 #define	_MESSAGE_H
 
 typedef struct message {
 	mime_type	mimeType;

 	encoding_type	*encodingTypes;
 	int	numberOfEncTypes;	/* size of encodingTypes */

 	char	*mimeSubtype;

 	int	numberOfArguments;	/* count of mimeArguments */
 	char	**mimeArguments;

 	char	*mimeDispositionType;	/* probably attachment */
 	text	*body_first, *body_last;

 
 	char	base64_1, base64_2, base64_3;
 	int	base64chars;

 	/*
 	 * Markers for the start of various non MIME messages that could
 	 * be included within this message
 	 */

 	const text	*bounce;	/* start of a bounced message */
 	const text	*binhex;	/* start of a binhex message */
 	const text	*uuencode;	/* start of a uuencoded message */
 	const text	*yenc;		/* start of a yEnc message */
 	const text	*encoding;	/* is the non MIME message encoded? */
 	const text	*dedupedThisFar;

 } message;
 
 message	*messageCreate(void);
 void	messageDestroy(message *m);
 void	messageReset(message *m);

 int	messageSetMimeType(message *m, const char *type);

 mime_type	messageGetMimeType(const message *m);
 void	messageSetMimeSubtype(message *m, const char *subtype);
 const	char	*messageGetMimeSubtype(const message *m);
 void	messageSetDispositionType(message *m, const char *disptype);
 const	char	*messageGetDispositionType(const message *m);
 void	messageAddArgument(message *m, const char *arg);
 void	messageAddArguments(message *m, const char *arg);
 const	char	*messageFindArgument(const message *m, const char *variable);
 void	messageSetEncoding(message *m, const char *enctype);
 encoding_type	messageGetEncoding(const message *m);

 int	messageAddLine(message *m, line_t *line);
 int	messageAddStr(message *m, const char *data);
 int	messageAddStrAtTop(message *m, const char *data);

 const	text	*messageGetBody(const message *m);
 void	messageClean(message *m);

 fileblob	*messageToFileblob(message *m, const char *dir);

 blob	*messageToBlob(message *m);

 text	*messageToText(message *m);

 const	text	*binhexBegin(const message *m);

 const	text	*uuencodeBegin(const message *m);

 const	text	*yEncBegin(const message *m);

 const	text	*bounceBegin(const message *m);

 const	text	*encodingLine(const message *m);

 void	messageClearMarkers(message *m);

 
 #endif	/*_MESSAGE_H*/