129 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			129 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*	$Vendor-Id: term.h,v 1.90 2011/12/04 23:10:52 schwarze Exp $ */
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/*
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 * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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 *
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 * Permission to use, copy, modify, and distribute this software for any
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 * purpose with or without fee is hereby granted, provided that the above
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 * copyright notice and this permission notice appear in all copies.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 */
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#ifndef TERM_H
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#define TERM_H
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__BEGIN_DECLS
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struct	termp;
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enum	termenc {
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	TERMENC_ASCII,
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	TERMENC_LOCALE,
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	TERMENC_UTF8
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};
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enum	termtype {
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	TERMTYPE_CHAR,
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	TERMTYPE_PS,
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	TERMTYPE_PDF
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};
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enum	termfont {
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	TERMFONT_NONE = 0,
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	TERMFONT_BOLD,
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	TERMFONT_UNDER,
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	TERMFONT__MAX
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};
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#define	TERM_MAXMARGIN	  100000 /* FIXME */
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typedef void	(*term_margin)(struct termp *, const void *);
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struct	termp_tbl {
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	int		  width;	/* width in fixed chars */
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	int		  decimal;	/* decimal point position */
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};
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struct	termp {
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	enum termtype	  type;
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	struct rofftbl	  tbl;		/* table configuration */
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	int		  mdocstyle;	/* imitate mdoc(7) output */
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	size_t		  defindent;	/* Default indent for text. */
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	size_t		  defrmargin;	/* Right margin of the device. */
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	size_t		  rmargin;	/* Current right margin. */
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	size_t		  maxrmargin;	/* Max right margin. */
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	int		  maxcols;	/* Max size of buf. */
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	size_t		  offset;	/* Margin offest. */
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	size_t		  tabwidth;	/* Distance of tab positions. */
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	int		  col;		/* Bytes in buf. */
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	size_t		  viscol;	/* Chars on current line. */
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	int		  overstep;	/* See termp_flushln(). */
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	int		  flags;
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#define	TERMP_SENTENCE	 (1 << 1)	/* Space before a sentence. */
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#define	TERMP_NOSPACE	 (1 << 2)	/* No space before words. */
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#define	TERMP_NOBREAK	 (1 << 4)	/* See term_flushln(). */
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#define	TERMP_IGNDELIM	 (1 << 6)	/* Delims like regulars. */
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#define	TERMP_NONOSPACE	 (1 << 7)	/* No space (no autounset). */
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#define	TERMP_DANGLE	 (1 << 8)	/* See term_flushln(). */
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#define	TERMP_HANG	 (1 << 9)	/* See term_flushln(). */
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#define	TERMP_TWOSPACE	 (1 << 10)	/* See term_flushln(). */
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#define	TERMP_NOSPLIT	 (1 << 11)	/* See termp_an_pre/post(). */
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#define	TERMP_SPLIT	 (1 << 12)	/* See termp_an_pre/post(). */
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#define	TERMP_ANPREC	 (1 << 13)	/* See termp_an_pre(). */
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#define	TERMP_KEEP	 (1 << 14)	/* Keep words together. */
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#define	TERMP_PREKEEP	 (1 << 15)	/* ...starting with the next one. */
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	int		 *buf;		/* Output buffer. */
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	enum termenc	  enc;		/* Type of encoding. */
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	struct mchars	 *symtab;	/* Encoded-symbol table. */
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	enum termfont	  fontl;	/* Last font set. */
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	enum termfont	  fontq[10];	/* Symmetric fonts. */
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	int		  fonti;	/* Index of font stack. */
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	term_margin	  headf;	/* invoked to print head */
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	term_margin	  footf;	/* invoked to print foot */
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	void		(*letter)(struct termp *, int);
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	void		(*begin)(struct termp *);
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	void		(*end)(struct termp *);
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	void		(*endline)(struct termp *);
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	void		(*advance)(struct termp *, size_t);
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	size_t		(*width)(const struct termp *, int);
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	double		(*hspan)(const struct termp *,
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				const struct roffsu *);
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	const void	 *argf;		/* arg for headf/footf */
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	struct termp_ps	 *ps;
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};
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void		  term_eqn(struct termp *, const struct eqn *);
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void		  term_tbl(struct termp *, const struct tbl_span *);
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void		  term_free(struct termp *);
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void		  term_newln(struct termp *);
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void		  term_vspace(struct termp *);
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void		  term_word(struct termp *, const char *);
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void		  term_flushln(struct termp *);
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void		  term_begin(struct termp *, term_margin, 
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			term_margin, const void *);
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void		  term_end(struct termp *);
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size_t		  term_hspan(const struct termp *, 
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			const struct roffsu *);
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size_t		  term_vspan(const struct termp *,
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			const struct roffsu *);
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size_t		  term_strlen(const struct termp *, const char *);
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size_t		  term_len(const struct termp *, size_t);
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enum termfont	  term_fonttop(struct termp *);
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const void	 *term_fontq(struct termp *);
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void		  term_fontpush(struct termp *, enum termfont);
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void		  term_fontpop(struct termp *);
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void		  term_fontpopq(struct termp *, const void *);
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void		  term_fontrepl(struct termp *, enum termfont);
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void		  term_fontlast(struct termp *);
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__END_DECLS
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#endif /*!TERM_H*/
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