X-Git-Url: https://git.cameronkatri.com/mandoc.git/blobdiff_plain/eae8f4ff2cd357d92c5e6aa901cf82cc4d344470..b088e954af8efacd0953fb5fb903d2e434649ebf:/term.h

diff --git a/term.h b/term.h
index 8182d8ba..3e1d4df0 100644
--- a/term.h
+++ b/term.h
@@ -1,102 +1,142 @@
-/* $Id: term.h,v 1.31 2009/03/23 14:22:11 kristaps Exp $ */
+/*	$Id: term.h,v 1.74 2010/07/13 23:53:20 schwarze Exp $ */
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 #ifndef TERM_H
 #define TERM_H
 
-#include "mdoc.h"
+__BEGIN_DECLS
 
-/* FIXME - clean up tabs. */
+struct	termp;
 
-#define	INDENT		  6
+enum	termenc {
+	TERMENC_ASCII
+};
 
-__BEGIN_DECLS
+enum	termtype {
+	TERMTYPE_CHAR,
+	TERMTYPE_PS
+};
 
-enum	termenc {
-	TERMENC_ASCII,
-	TERMENC_LATIN1,
-	TERMENC_UTF8
+enum	termfont {
+	TERMFONT_NONE = 0,
+	TERMFONT_BOLD,
+	TERMFONT_UNDER,
+	TERMFONT__MAX
+};
+
+#define	TERM_MAXMARGIN	  100000 /* FIXME */
+
+typedef void	(*term_margin)(struct termp *, const void *);
+
+struct	termp_ps {
+	int		  flags;
+#define	PS_INLINE	 (1 << 0)	/* we're in a word */
+#define	PS_MARGINS	 (1 << 1)	/* we're in the margins */
+#define	PS_NEWPAGE	 (1 << 2)	/* new page, no words yet */
+	size_t		  pscol;	/* visible column (AFM units) */
+	size_t		  psrow;	/* visible row (AFM units) */
+	char		 *psmarg;	/* margin buf */
+	size_t		  psmargsz;	/* margin buf size */
+	size_t		  psmargcur;	/* cur index in margin buf */
+	char		  last;		/* character buffer */
+	enum termfont	  lastf;	/* last set font */
+	size_t		  scale;	/* font scaling factor */
+	size_t		  pages;	/* number of pages shown */
+	size_t		  lineheight;	/* line height (AFM units) */
+	size_t		  top;		/* body top (AFM units) */
+	size_t		  bottom;	/* body bottom (AFM units) */
+	size_t		  height;	/* page height (AFM units */
+	size_t		  width;	/* page width (AFM units) */
+	size_t		  left;		/* body left (AFM units) */
+	size_t		  header;	/* header pos (AFM units) */
+	size_t		  footer;	/* footer pos (AFM units) */
 };
 
 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_NOSPACE	 (1 << 0)	/* No space before words. */
-#define	TERMP_NOLPAD	 (1 << 1)	/* No leftpad before flush. */
-#define	TERMP_NOBREAK	 (1 << 2)	/* No break after flush. */
-#define	TERMP_LITERAL	 (1 << 3)	/* Literal words. */
-#define	TERMP_IGNDELIM	 (1 << 4)	/* Delims like regulars. */
-#define	TERMP_NONOSPACE	 (1 << 5)	/* No space (no autounset). */
-#define	TERMP_NONOBREAK	 (1 << 7)	/* Don't newln NOBREAK. */
-#define	TERMP_STYLE	  0x0300	/* Style mask. */
-#define	TERMP_BOLD	 (1 << 8)	/* Styles... */
-#define	TERMP_UNDER	 (1 << 9)
+#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(). */
+#define	TERMP_IGNDELIM	 (1 << 6)	/* Delims like regulars. */
+#define	TERMP_NONOSPACE	 (1 << 7)	/* No space (no autounset). */
+#define	TERMP_DANGLE	 (1 << 8)	/* See term_flushln(). */
+#define	TERMP_HANG	 (1 << 9)	/* See term_flushln(). */
+#define	TERMP_TWOSPACE	 (1 << 10)	/* See term_flushln(). */
+#define	TERMP_NOSPLIT	 (1 << 11)	/* See termp_an_pre/post(). */
+#define	TERMP_SPLIT	 (1 << 12)	/* See termp_an_pre/post(). */
+#define	TERMP_ANPREC	 (1 << 13)	/* See termp_an_pre(). */
+#define	TERMP_KEEP	 (1 << 14)	/* Keep words together. */
+#define	TERMP_PREKEEP	 (1 << 15)	/* ...starting with the next one. */
 	char		 *buf;		/* Output buffer. */
 	enum termenc	  enc;		/* Type of encoding. */
 	void		 *symtab;	/* Encoded-symbol table. */
+	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);
+	size_t		(*width)(const struct termp *, char);
+	double		(*hspan)(const struct termp *,
+				const struct roffsu *);
+	const void	 *argf;		/* arg for headf/footf */
+	union {
+		struct termp_ps ps;
+	} engine;
 };
 
-/* XXX - clean this up. */
-
-struct	termpair {
-	struct termpair	 *ppair;
-	int		  type;
-#define	TERMPAIR_FLAG	 (1 << 0)
-	int	  	  flag;
-	size_t	  	  offset;
-	size_t	  	  rmargin;
-	int		  count;
-};
-
-#define	TERMPAIR_SETFLAG(termp, p, fl) \
-	do { \
-		assert(! (TERMPAIR_FLAG & (p)->type)); \
-		(termp)->flags |= (fl); \
-		(p)->flag = (fl); \
-		(p)->type |= TERMPAIR_FLAG; \
-	} while ( /* CONSTCOND */ 0)
-
-struct	termact {
-	int	(*pre)(struct termp *, struct termpair *,
-			const struct mdoc_meta *,
-			const struct mdoc_node *);
-	void	(*post)(struct termp *, struct termpair *,
-			const struct mdoc_meta *,
-			const struct mdoc_node *);
-};
-
-void		 *term_ascii2htab(void);
-const char	 *term_a2ascii(void *, const char *, size_t, size_t *);
-void		  term_asciifree(void *);
-
+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_node(struct termp *, struct termpair *,
-			const struct mdoc_meta *,
-			const struct mdoc_node *);
+void		  term_begin(struct termp *, term_margin, 
+			term_margin, const void *);
+void		  term_end(struct termp *);
+
+size_t		  term_hspan(const struct termp *, 
+			const struct roffsu *);
+size_t		  term_vspan(const struct termp *,
+			const struct roffsu *);
+size_t		  term_strlen(const struct termp *, const char *);
+size_t		  term_len(const struct termp *, size_t);
 
-const	struct termact 	 *termacts;
+enum termfont	  term_fonttop(struct termp *);
+const void	 *term_fontq(struct termp *);
+void		  term_fontpush(struct termp *, enum termfont);
+void		  term_fontpop(struct termp *);
+void		  term_fontpopq(struct termp *, const void *);
+void		  term_fontrepl(struct termp *, enum termfont);
+void		  term_fontlast(struct termp *);
 
 __END_DECLS