out.c

   1 /*      $Id: out.c,v 1.1 2009/09/21 00:39:02 kristaps Exp $ */
   2 /*
   3  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
   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 #include <sys/types.h>
  18
  19 #include <assert.h>
  20 #include <ctype.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include "mdoc.h"
  25 #include "man.h"
  26 #include "out.h"
  27
  28 int
  29 out_a2list(const struct mdoc_node *n)
  30 {
  31         int              i;
  32
  33         assert(MDOC_BLOCK == n->type && MDOC_Bl == n->tok);
  34         assert(n->args);
  35
  36         for (i = 0; i < (int)n->args->argc; i++)
  37                 switch (n->args->argv[i].arg) {
  38                 case (MDOC_Enum):
  39                         /* FALLTHROUGH */
  40                 case (MDOC_Dash):
  41                         /* FALLTHROUGH */
  42                 case (MDOC_Hyphen):
  43                         /* FALLTHROUGH */
  44                 case (MDOC_Bullet):
  45                         /* FALLTHROUGH */
  46                 case (MDOC_Tag):
  47                         /* FALLTHROUGH */
  48                 case (MDOC_Hang):
  49                         /* FALLTHROUGH */
  50                 case (MDOC_Inset):
  51                         /* FALLTHROUGH */
  52                 case (MDOC_Diag):
  53                         /* FALLTHROUGH */
  54                 case (MDOC_Item):
  55                         /* FALLTHROUGH */
  56                 case (MDOC_Column):
  57                         /* FALLTHROUGH */
  58                 case (MDOC_Ohang):
  59                         return(n->args->argv[i].arg);
  60                 default:
  61                         break;
  62                 }
  63
  64         abort();
  65         /* NOTREACHED */
  66 }
  67
  68
  69 int
  70 out_a2width(const char *p)
  71 {
  72         int              i, len;
  73
  74         if (0 == (len = (int)strlen(p)))
  75                 return(0);
  76         for (i = 0; i < len - 1; i++)
  77                 if ( ! isdigit((u_char)p[i]))
  78                         break;
  79
  80         if (i == len - 1)
  81                 if ('n' == p[len - 1] || 'm' == p[len - 1])
  82                         return(atoi(p) + 2);
  83
  84         return(len + 2);
  85 }
  86
  87
  88 int
  89 out_a2offs(const char *p, int indent)
  90 {
  91         int              len, i;
  92
  93         if (0 == strcmp(p, "left"))
  94                 return(0);
  95         if (0 == strcmp(p, "indent"))
  96                 return(indent + 1);
  97         if (0 == strcmp(p, "indent-two"))
  98                 return((indent + 1) * 2);
  99
 100         if (0 == (len = (int)strlen(p)))
 101                 return(0);
 102
 103         for (i = 0; i < len - 1; i++)
 104                 if ( ! isdigit((u_char)p[i]))
 105                         break;
 106
 107         if (i == len - 1)
 108                 if ('n' == p[len - 1] || 'm' == p[len - 1])
 109                         return(atoi(p));
 110
 111         return(len);
 112 }
 113