/*
 *	File Name:		article.h
 *	Project:		BARN - Bah's Amiga ReadNews.
 *	Purpose:		Define structure holding info for each article.
 *	Author:			Jeff Van Epps
 *	Created:		02 Sep 89
 *	Last Modified:	06 Jan 91
 *	Comments:
 *	History:
 *		02 Sep 89/JVE	Created.
 *		28 Sep 89/JVE	Added textpos.
 *		18 Oct 90/JVE	Added HDR_xxx defines.
 *		06 Jan 91/JVE	Added subject pointer in article_info as a speed
 *						optimization.
 */

/*
 *	Hold header information for an article. Example:
 *
 *	fieldname="From"    fieldvalue="foo@bar.com"
 *	fieldname="Subject"	fieldvalue="Care and Eating of Foo Bars"
 *		etc.
 *
 */

typedef struct header_info {
	char				*fieldname;		/* name of field (before :) */
	char				*fieldvalue;	/* text of field (after :) */
	struct header_info	*next;			/* next header in chain */
	} HEADER_INFO;

/*
 *	Information for each article.
 */

typedef struct article_info {
	long				number;			/* article number within newsgroup */
	int					beenread;		/* has article been read? */
	long				textpos;		/* where headers end/text begins */
	int					done;			/* generic temporary marker */
	char				*subject;		/* points at value of Subject hdr */
	struct header_info	*headers;		/* top of header field chain */
	struct article_info	*next;			/* ptr to next article in newsgroup */
	} ARTICLE_INFO;

/*
 *	Defines for common header fields.
 */


# define	HDR_FROM		"From"
# define	HDR_TO			"To"
# define	HDR_CC			"Cc"
# define	HDR_SUBJECT		"Subject"
# define	HDR_SENDER		"Sender"
# define	HDR_DATE		"Date"

/*
 *	Declare functions.
 */

# ifdef sun 

ARTICLE_INFO	*ParseArticle();
int				GetNextHeader();
void			DestroyArticle();
void			DumpArticle();
char			*GetHeader();

# else

ARTICLE_INFO	*ParseArticle( char *filename );
int				GetNextHeader( FILE *fp, HEADER_INFO ***hdr );
void			DestroyArticle( ARTICLE_INFO *article );
void			DumpArticle( ARTICLE_INFO *article );
char			*GetHeader( HEADER_INFO *headers, char *name );

# endif