===================================================================
RCS file: /cvs/mandoc/term.h,v
retrieving revision 1.53
retrieving revision 1.63
diff -u -p -r1.53 -r1.63
--- mandoc/term.h	2010/05/10 08:05:17	1.53
+++ mandoc/term.h	2010/06/11 16:58:20	1.63
@@ -1,4 +1,4 @@
-/*	$Id: term.h,v 1.53 2010/05/10 08:05:17 kristaps Exp $ */
+/*	$Id: term.h,v 1.63 2010/06/11 16:58:20 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -19,10 +19,17 @@
 
 __BEGIN_DECLS
 
+struct	termp;
+
 enum	termenc {
 	TERMENC_ASCII
 };
 
+enum	termtype {
+	TERMTYPE_CHAR,
+	TERMTYPE_PS
+};
+
 enum	termfont {
 	TERMFONT_NONE = 0,
 	TERMFONT_BOLD,
@@ -31,14 +38,35 @@ enum	termfont {
 
 #define	TERM_MAXMARGIN	  100000 /* FIXME */
 
+typedef void	(*term_margin)(struct termp *, const void *);
+
+struct	termp_ps {
+	int		  psstate;	/* state of ps output */
+#define	PS_INLINE	 (1 << 0)	/* we're in a word */
+#define	PS_MARGINS	 (1 << 1)	/* we're in the margins */
+	size_t		  pscol;	/* visible column */
+	size_t		  psrow;	/* visible row */
+	char		 *psmarg;	/* margin buf */
+	size_t		  psmargsz;	/* margin buf size */
+	size_t		  psmargcur;	/* current pos in margin buf */
+	size_t	 	  pspage;	/* current page */
+	char		  last;		/* character buffer */
+	enum termfont	  lastf;	/* last set font */
+};
+
 struct	termp {
+	enum termtype	  type;
+	size_t		  defrmargin;	/* Right margin of the device.. */
 	size_t		  rmargin;	/* Current right margin. */
 	size_t		  maxrmargin;	/* Max right margin. */
 	size_t		  maxcols;	/* Max size of buf. */
 	size_t		  offset;	/* Margin offest. */
+	size_t		  tabwidth;	/* Distance of tab positions. */
 	size_t		  col;		/* Bytes in buf. */
+	size_t		  viscol;	/* Chars on current line. */
 	int		  overstep;	/* See termp_flushln(). */
 	int		  flags;
+#define	TERMP_SENTENCE	 (1 << 1)	/* Space before a sentence. */
 #define	TERMP_NOSPACE	 (1 << 2)	/* No space before words. */
 #define	TERMP_NOLPAD	 (1 << 3)	/* See term_flushln(). */
 #define	TERMP_NOBREAK	 (1 << 4)	/* See term_flushln(). */
@@ -56,12 +84,28 @@ struct	termp {
 	enum termfont	  fontl;	/* Last font set. */
 	enum termfont	  fontq[10];	/* Symmetric fonts. */
 	int		  fonti;	/* Index of font stack. */
+	term_margin	  headf;	/* invoked to print head */
+	term_margin	  footf;	/* invoked to print foot */
+	void		(*letter)(struct termp *, char);
+	void		(*begin)(struct termp *);
+	void		(*end)(struct termp *);
+	void		(*endline)(struct termp *);
+	void		(*advance)(struct termp *, size_t);
+	const void	 *argf;		/* arg for headf/footf */
+	union {
+		struct termp_ps ps;
+	} engine;
 };
 
+struct termp	 *term_alloc(enum termenc);
+void		  term_free(struct termp *);
 void		  term_newln(struct termp *);
 void		  term_vspace(struct termp *);
 void		  term_word(struct termp *, const char *);
 void		  term_flushln(struct termp *);
+void		  term_begin(struct termp *, term_margin, 
+			term_margin, const void *);
+void		  term_end(struct termp *);
 
 size_t		  term_hspan(const struct roffsu *);
 size_t		  term_vspan(const struct roffsu *);