out.h

   1 /*      $Id: out.h,v 1.15 2011/01/05 15:37:23 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2009 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 OUT_H
  18 #define OUT_H
  19
  20 #define DATESIZ         24
  21
  22 __BEGIN_DECLS
  23
  24 struct  roffcol {
  25         size_t           width; /* width of cell */
  26         size_t           decimal; /* decimal position in cell */
  27 };
  28
  29 typedef size_t (*tbl_strlen)(const char *, void *);
  30 typedef size_t (*tbl_len)(size_t, void *);
  31
  32 struct  rofftbl {
  33         tbl_strlen       slen; /* calculate string length */
  34         tbl_len          len; /* produce width of empty space */
  35         struct roffcol  *cols; /* master column specifiers */
  36         void            *arg; /* passed to slen and len */
  37 };
  38
  39 enum    roffscale {
  40         SCALE_CM,
  41         SCALE_IN,
  42         SCALE_PC,
  43         SCALE_PT,
  44         SCALE_EM,
  45         SCALE_MM,
  46         SCALE_EN,
  47         SCALE_BU,
  48         SCALE_VS,
  49         SCALE_FS,
  50         SCALE_MAX
  51 };
  52
  53 enum    roffdeco {
  54         DECO_NONE,
  55         DECO_SPECIAL, /* special character */
  56         DECO_SSPECIAL, /* single-char special */
  57         DECO_RESERVED, /* reserved word */
  58         DECO_BOLD, /* bold font */
  59         DECO_ITALIC, /* italic font */
  60         DECO_ROMAN, /* "normal" undecorated font */
  61         DECO_PREVIOUS, /* revert to previous font */
  62         DECO_NOSPACE, /* suppress spacing */
  63         DECO_FONT, /* font */
  64         DECO_FFONT, /* font family */
  65         DECO_MAX
  66 };
  67
  68 struct  roffsu {
  69         enum roffscale    unit;
  70         double            scale;
  71 };
  72
  73 #define SCALE_VS_INIT(p, v) \
  74         do { (p)->unit = SCALE_VS; \
  75              (p)->scale = (v); } \
  76         while (/* CONSTCOND */ 0)
  77
  78 #define SCALE_HS_INIT(p, v) \
  79         do { (p)->unit = SCALE_BU; \
  80              (p)->scale = (v); } \
  81         while (/* CONSTCOND */ 0)
  82
  83 int       a2roffsu(const char *, struct roffsu *, enum roffscale);
  84 int       a2roffdeco(enum roffdeco *, const char **, size_t *);
  85 void      time2a(time_t, char *, size_t);
  86 void      tblcalc(struct rofftbl *tbl, const struct tbl_span *);
  87
  88 __END_DECLS
  89
  90 #endif /*!OUT_H*/