src/nroff/nroff.sh.in

   1 #!/bin/sh
   2 #@ Emulate nroff with @L_ROFF@.
   3 #
   4 # Copyright (c) 2014 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
   5 #
   6 # Copyright (C) 1992 - 1994, 1999 - 2005, 2007
   7 #   Free Software Foundation, Inc.
   8 #
   9 # Written by James Clark, maintained by Werner Lemberg.
  10 #
  11 # `groff' is free software; you can redistribute it and/or modify it
  12 # under the terms of the GNU General Public License (GPL) as published
  13 # by the Free Software Foundation; either version 2, or (at your
  14 # option) any later version.
  15 #
  16 # `groff' is distributed in the hope that it will be useful, but
  17 # WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19 # General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with `groff'; see the files COPYING and LICENSE in the top
  23 # directory of the `groff' source.  If not, write to the Free Software
  24 # Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301,
  25 # USA.
  26
  27 prog="$0"
  28
  29 # Default device.
  30 # Check the @U_ROFF@_TYPESETTER environment variable.
  31 Tenv="${@U_ROFF@_TYPESETTER}"
  32
  33 # Try the `locale charmap' command first because it is most reliable.
  34 # On systems where it doesn't exist, look at the environment variables.
  35 case "`exec 2>/dev/null ; locale charmap`" in
  36   UTF-8)
  37     Tloc=utf8 ;;
  38   ISO-8859-1 | ISO-8859-15)
  39     Tloc=latin1 ;;
  40   IBM-1047)
  41     Tloc=cp1047 ;;
  42   *)
  43     case "${LC_ALL-${LC_CTYPE-${LANG}}}" in
  44       *.UTF-8)
  45         Tloc=utf8 ;;
  46       iso_8859_1 | *.ISO-8859-1 | *.ISO8859-1 | \
  47       iso_8859_15 | *.ISO-8859-15 | *.ISO8859-15)
  48         Tloc=latin1 ;;
  49       *.IBM-1047)
  50         Tloc=cp1047 ;;
  51       *)
  52         case "$LESSCHARSET" in
  53           utf-8)
  54             Tloc=utf8 ;;
  55           latin1)
  56             Tloc=latin1 ;;
  57           cp1047)
  58             Tloc=cp1047 ;;
  59           *)
  60             Tloc=ascii ;;
  61         esac ;;
  62     esac ;;
  63 esac
  64
  65 # `for i; do' doesn't work with some versions of sh
  66
  67 Topt=
  68 opts=
  69 for i
  70   do
  71   case $1 in
  72     -c)
  73       opts="$opts -P-c" ;;
  74     -h)
  75       opts="$opts -P-h" ;;
  76     -[eq] | -s*)
  77       # ignore these options
  78       ;;
  79     -[dMmrnoTwW])
  80       echo "$prog: option $1 requires an argument" >&2
  81       exit 1 ;;
  82     -[iptSUC] | -[dMmrnowW]*)
  83       opts="$opts $1" ;;
  84     -T*)
  85       Topt=$1 ;;
  86     -u*)
  87       # Solaris 2.2 through at least Solaris 9 `man' invokes
  88       # `nroff -u0 ... | col -x'.  Ignore the -u0,
  89       # since `less' and `more' can use the emboldening info.
  90       # However, disable SGR, since Solaris `col' mishandles it.
  91       opts="$opts -P-c" ;;
  92     -v | --version)
  93       echo "@L_NROFF@ (@T_ROFF@) v@VERSION@"
  94       exit 0 ;;
  95     --help)
  96       echo "Synopsis: @L_NROFF@ [-CchipStUv] [-dCS] [-MDIR] [-mNAME] [-nNUM]"
  97       echo "             [-oLIST] [-rCN] [-Tname] [-WNAME] [-wNAME] [FILE...]"
  98       exit 0 ;;
  99     --)
 100       shift
 101       break ;;
 102     -)
 103       break ;;
 104     -*)
 105       echo "$prog: invalid option $1" >&2
 106       exit 1 ;;
 107     *)
 108       break ;;
 109   esac
 110   shift
 111 done
 112
 113 if test "x$Topt" != x ; then
 114   T=$Topt
 115 else
 116   if test "x$Tenv" != x ; then
 117     T=-T$Tenv
 118   fi
 119 fi
 120
 121 case $T in
 122   -Tascii | -Tlatin1 | -Tutf8 | -Tcp1047)
 123     ;;
 124   *)
 125     # ignore other devices and use locale fallback
 126     T=-T$Tloc ;;
 127 esac
 128
 129 # Set up the `@U_ROFF@_BIN_PATH' variable
 130 # to be exported in the current `@U_ROFF@_RUNTIME' environment.
 131 @U_ROFF_BIN_PATH_SETUP@
 132 export @U_ROFF@_BIN_PATH
 133
 134 # Load nroff-style character definitions too.
 135
 136 PATH="${@U_ROFF@_RUNTIME}${PATH}" @L_ROFF@ -mtty-char ${T} $opts ${1+"${@}"}
 137
 138 # s-sh-mode