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   1 /*      $Id: term.h,v 1.90 2011/12/04 23:10:52 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>

   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17 #ifndef TERM_H
  18 #define TERM_H
  19 
  20 __BEGIN_DECLS
  21 
  22 struct  termp;
  23 
  24 enum    termenc {
  25         TERMENC_ASCII,
  26         TERMENC_LOCALE,
  27         TERMENC_UTF8
  28 };
  29 
  30 enum    termtype {
  31         TERMTYPE_CHAR,
  32         TERMTYPE_PS,
  33         TERMTYPE_PDF
  34 };
  35 
  36 enum    termfont {
  37         TERMFONT_NONE = 0,
  38         TERMFONT_BOLD,
  39         TERMFONT_UNDER,

  40         TERMFONT__MAX
  41 };
  42 
  43 #define TERM_MAXMARGIN    100000 /* FIXME */
  44 
  45 typedef void    (*term_margin)(struct termp *, const void *);
  46 
  47 struct  termp_tbl {
  48         int               width;        /* width in fixed chars */
  49         int               decimal;      /* decimal point position */
  50 };
  51 
  52 struct  termp {
  53         enum termtype     type;
  54         struct rofftbl    tbl;          /* table configuration */
  55         int               mdocstyle;    /* imitate mdoc(7) output */
  56         size_t            defindent;    /* Default indent for text. */
  57         size_t            defrmargin;   /* Right margin of the device. */
  58         size_t            rmargin;      /* Current right margin. */
  59         size_t            maxrmargin;   /* Max right margin. */
  60         int               maxcols;      /* Max size of buf. */
  61         size_t            offset;       /* Margin offest. */
  62         size_t            tabwidth;     /* Distance of tab positions. */
  63         int               col;          /* Bytes in buf. */
  64         size_t            viscol;       /* Chars on current line. */

  65         int               overstep;     /* See termp_flushln(). */

  66         int               flags;
  67 #define TERMP_SENTENCE   (1 << 1) /* Space before a sentence. */
  68 #define TERMP_NOSPACE    (1 << 2) /* No space before words. */
  69 #define TERMP_NOBREAK    (1 << 4) /* See term_flushln(). */
  70 #define TERMP_IGNDELIM   (1 << 6) /* Delims like regulars. */
  71 #define TERMP_NONOSPACE  (1 << 7) /* No space (no autounset). */
  72 #define TERMP_DANGLE     (1 << 8) /* See term_flushln(). */
  73 #define TERMP_HANG       (1 << 9) /* See term_flushln(). */
  74 #define TERMP_TWOSPACE   (1 << 10)        /* See term_flushln(). */


  75 #define TERMP_NOSPLIT    (1 << 11)        /* See termp_an_pre/post(). */
  76 #define TERMP_SPLIT      (1 << 12)        /* See termp_an_pre/post(). */
  77 #define TERMP_ANPREC     (1 << 13)        /* See termp_an_pre(). */
  78 #define TERMP_KEEP       (1 << 14)        /* Keep words together. */
  79 #define TERMP_PREKEEP    (1 << 15)        /* ...starting with the next one. */
  80         int              *buf;          /* Output buffer. */
  81         enum termenc      enc;          /* Type of encoding. */
  82         struct mchars    *symtab;       /* Encoded-symbol table. */
  83         enum termfont     fontl;        /* Last font set. */
  84         enum termfont     fontq[10];    /* Symmetric fonts. */
  85         int               fonti;        /* Index of font stack. */
  86         term_margin       headf;        /* invoked to print head */
  87         term_margin       footf;        /* invoked to print foot */
  88         void            (*letter)(struct termp *, int);
  89         void            (*begin)(struct termp *);
  90         void            (*end)(struct termp *);
  91         void            (*endline)(struct termp *);
  92         void            (*advance)(struct termp *, size_t);
  93         size_t          (*width)(const struct termp *, int);
  94         double          (*hspan)(const struct termp *,
  95                                 const struct roffsu *);
  96         const void       *argf;         /* arg for headf/footf */
  97         struct termp_ps  *ps;
  98 };
  99 


   1 /*      $Id: term.h,v 1.97 2013/12/25 00:39:31 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #ifndef TERM_H
  19 #define TERM_H
  20 
  21 __BEGIN_DECLS
  22 
  23 struct  termp;
  24 
  25 enum    termenc {
  26         TERMENC_ASCII,
  27         TERMENC_LOCALE,
  28         TERMENC_UTF8
  29 };
  30 
  31 enum    termtype {
  32         TERMTYPE_CHAR,
  33         TERMTYPE_PS,
  34         TERMTYPE_PDF
  35 };
  36 
  37 enum    termfont {
  38         TERMFONT_NONE = 0,
  39         TERMFONT_BOLD,
  40         TERMFONT_UNDER,
  41         TERMFONT_BI,
  42         TERMFONT__MAX
  43 };
  44 
  45 #define TERM_MAXMARGIN    100000 /* FIXME */
  46 
  47 typedef void    (*term_margin)(struct termp *, const void *);
  48 
  49 struct  termp_tbl {
  50         int               width;        /* width in fixed chars */
  51         int               decimal;      /* decimal point position */
  52 };
  53 
  54 struct  termp {
  55         enum termtype     type;
  56         struct rofftbl    tbl;          /* table configuration */
  57         int               mdocstyle;    /* imitate mdoc(7) output */
  58         size_t            defindent;    /* Default indent for text. */
  59         size_t            defrmargin;   /* Right margin of the device. */
  60         size_t            rmargin;      /* Current right margin. */
  61         size_t            maxrmargin;   /* Max right margin. */
  62         size_t            maxcols;      /* Max size of buf. */
  63         size_t            offset;       /* Margin offest. */
  64         size_t            tabwidth;     /* Distance of tab positions. */
  65         size_t            col;          /* Bytes in buf. */
  66         size_t            viscol;       /* Chars on current line. */
  67         size_t            trailspace;   /* See termp_flushln(). */
  68         int               overstep;     /* See termp_flushln(). */
  69         int               skipvsp;      /* Vertical space to skip. */
  70         int               flags;
  71 #define TERMP_SENTENCE   (1 << 1) /* Space before a sentence. */
  72 #define TERMP_NOSPACE    (1 << 2) /* No space before words. */
  73 #define TERMP_NONOSPACE  (1 << 3) /* No space (no autounset). */
  74 #define TERMP_NBRWORD    (1 << 4) /* Make next word nonbreaking. */
  75 #define TERMP_KEEP       (1 << 5) /* Keep words together. */
  76 #define TERMP_PREKEEP    (1 << 6) /* ...starting with the next one. */
  77 #define TERMP_SKIPCHAR   (1 << 7) /* Skip the next character. */
  78 #define TERMP_NOBREAK    (1 << 8) /* See term_flushln(). */
  79 #define TERMP_DANGLE     (1 << 9) /* See term_flushln(). */
  80 #define TERMP_HANG       (1 << 10)        /* See term_flushln(). */
  81 #define TERMP_NOSPLIT    (1 << 11)        /* See termp_an_pre/post(). */
  82 #define TERMP_SPLIT      (1 << 12)        /* See termp_an_pre/post(). */
  83 #define TERMP_ANPREC     (1 << 13)        /* See termp_an_pre(). */


  84         int              *buf;          /* Output buffer. */
  85         enum termenc      enc;          /* Type of encoding. */
  86         struct mchars    *symtab;       /* Encoded-symbol table. */
  87         enum termfont     fontl;        /* Last font set. */
  88         enum termfont     fontq[10];    /* Symmetric fonts. */
  89         int               fonti;        /* Index of font stack. */
  90         term_margin       headf;        /* invoked to print head */
  91         term_margin       footf;        /* invoked to print foot */
  92         void            (*letter)(struct termp *, int);
  93         void            (*begin)(struct termp *);
  94         void            (*end)(struct termp *);
  95         void            (*endline)(struct termp *);
  96         void            (*advance)(struct termp *, size_t);
  97         size_t          (*width)(const struct termp *, int);
  98         double          (*hspan)(const struct termp *,
  99                                 const struct roffsu *);
 100         const void       *argf;         /* arg for headf/footf */
 101         struct termp_ps  *ps;
 102 };
 103