release/src/router/libncurses/progs/capconvert

   1 #!/bin/sh
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  28 ##############################################################################
  29 # $Id: capconvert,v 1.4 2006/04/22 21:46:17 tom Exp $
  30 #
  31 # capconvert -- automated conversion from termcap to terminfo
  32 #
  33
  34 echo "This script tries to automatically set you up so that your applications"
  35 echo "that now use termcap can use terminfo and the ncurses library."
  36 echo ""
  37
  38 # Note, except for telling if we're running under xterm we don't use TERM at
  39 # all.  This is because BSD users not infrequently have multiple termtypes
  40 # selected by conditionals in tset -- unless they're xterm users, in which
  41 # case they're on a workstation and probably don't.
  42
  43 # Check to make sure TERMINFO is not already defined
  44 if test -n "$TERMINFO"
  45 then
  46         echo "TERMINFO is already defined in your environment.  This means"
  47         echo "you already have a local terminfo tree, so you do not need any"
  48         echo "conversion."
  49         if test ! -d $TERMINFO ; then
  50                 echo "Caution: TERMINFO does not point to a directory!"
  51         fi
  52         exit;
  53 fi
  54
  55 # Check to see if terminfo is present in one of the standard locations.
  56 terminfo=no
  57 for p in $TERMINFO \
  58         /usr/lib/terminfo \
  59         /usr/share/lib/terminfo \
  60         /usr/share/terminfo \
  61         /usr/local/lib/terminfo \
  62         /usr/local/share/terminfo
  63 do
  64         if test -d $p ; then
  65                 terminfo=yes
  66                 break
  67         fi
  68 done
  69
  70 if test $terminfo = yes
  71 then
  72         echo "Your system already has a system-wide terminfo tree."
  73         echo ""
  74         if test -z "$TERMCAP"
  75         then
  76                 echo "You have no TERMCAP variable set, so we are done."
  77                 # Assumes the terminfo master covers all canned terminal types
  78                 exit;
  79         fi
  80         if test "$TERM" = "xterm"
  81         then
  82                 echo "You are running xterm, which usually sets TERMCAP itself."
  83                 echo "We can ignore this, because terminfo knows about xterm."
  84                 echo "So you will just use the system-wide terminfo tree."
  85                 exit;
  86         else
  87                 echo "We will have to make a local one for you anyway, to capture the effect"
  88                 echo "of your TERMCAP variable."
  89         fi
  90 else
  91         echo "No system-wide terminfo tree.  We will make you a local one."
  92 fi
  93 echo "";
  94
  95 # Check if test -x works (it's not portable, but useful)
  96 OPT="-x"
  97 TMP=test$$; touch $TMP && chmod 755 $TMP
  98 if test $OPT $TMP ; then
  99         chmod 644 $TMP
 100         test $OPT $TMP && OPT="-f"
 101 else
 102         OPT="-f"
 103 fi
 104 rm -f $TMP
 105
 106 # First step -- go find tic
 107 TIC=
 108 IFS="${IFS=     }"; save_ifs="$IFS"; IFS="${IFS}:"
 109 for x in $PATH .
 110 do
 111         if test $OPT $x/tic
 112         then
 113                 TIC=$x/tic
 114                 break
 115         fi
 116 done
 117 IFS="$ac_save_ifs"
 118
 119 if test -n "$TIC"
 120 then
 121         echo "I see tic at $TIC."
 122         case $TIC in # (vi
 123         ./tic)
 124                 if test $OPT ../misc/shlib ; then
 125                         TIC="../misc/shlib $TIC"
 126                 fi
 127                 ;;
 128         esac
 129 else
 130         echo "You do not have tic installed anywhere I can see, please fix that."
 131         exit;
 132 fi
 133 echo "";
 134
 135 # We have tic.  Either there's no system terminfo tree or there is one but
 136 # the user has a TERMCAP variable that may modify a stock description.
 137 #
 138
 139 # Make the user a terminfo directory
 140 if test -d $HOME/.terminfo
 141 then
 142         echo "It appears you already have a private terminfo directory"
 143         echo "at $HOME/.terminfo; this seems odd, because TERMINFO"
 144         echo "is not defined.  I am not going to second-guess this -- if you"
 145         echo "really want me to try auto-configuring for you, remove or"
 146         echo "rename $HOME/terminfo and run me again."
 147         exit;
 148 else
 149         echo "I am creating your private terminfo directory at $HOME/.terminfo"
 150         mkdir $HOME/.terminfo
 151         # Ensure that that's where tic's compilation results.
 152         # This isn't strictly necessary with a 1.9.7 or later tic.
 153         TERMINFO="$HOME/.terminfo"; export TERMINFO
 154 fi
 155 echo "";
 156
 157 # Find a terminfo source to work from
 158 if test -f ../misc/terminfo.src
 159 then
 160         echo "I see the terminfo master source is handy; I will use that."
 161         master=../misc/terminfo.src
 162 else
 163         # Ooops...looks like we're running from somewhere other than the
 164         # progs directory of an ncurses source tree.
 165         master=`find $HOME -name "*terminfo.src" -print`
 166         mcount=`echo $master | wc -l`
 167         case $mcount in
 168         0)
 169                 echo "I can not find a terminfo source file anywhere under your home directory."
 170                 echo "There should be a file called terminfo.src somewhere in your"
 171                 echo "ncurses distribution; please put it in your home directotry"
 172                 echo "and run me again (it does not have to live there permanently)."
 173                 exit;
 174         ;;
 175         1)
 176                 echo "I see a file called $master."
 177                 echo "I am going to assume this is the terminfo source included with"
 178                 echo "the ncurses distribution.  If this assumption is wrong, please"
 179                 echo "interrupt me now!  OK to continue?"
 180                 read ans;
 181         ;;
 182         2)
 183                 echo "I see more than one possible terminfo source.  Here they are:"
 184                 echo $master | sed "/^/s//      /";
 185                 while :
 186                 do
 187                         echo "Please tell me which one to use:"
 188                         read master;
 189                         if test -f $master
 190                         then
 191                                 break
 192                         else
 193                                 echo "That file does not exist. Try again?";
 194                         fi
 195                 done
 196         ;;
 197         esac
 198 fi
 199 echo "";
 200
 201 # Now that we have a master, compile it into the local tree
 202 echo "OK, now I will make your private terminfo tree.  This may take a bit..."
 203 #
 204 # Kluge alert: we compile terminfo.src in two pieces because a lot of machines
 205 # with < 16MB RAM choke on tic's core-hog habits.
 206 trap "rm -f tsplit$$.*" 0 1 2 5 15
 207 sed -n $master \
 208         -e '1,/SPLIT HERE/w 'tsplit$$.01 \
 209         -e '/SPLIT HERE/,$w 'tsplit$$.02 \
 210         2>/dev/null
 211 for x in tsplit$$.*; do eval $TIC $x; done
 212 rm tsplit$$.*
 213 trap 0 1 2 5 15
 214 #
 215 echo "You now have a private tree under $HOME/.terminfo;"
 216 echo "the ncurses library will automatically read from it,"
 217 echo "and ncurses tic will automatically compile entries to it."
 218
 219 # We're done unless user has a .termcap file or equivalent named by TERMCAP
 220 if test -z "$TERMCAP"
 221 then
 222         echo "You have no TERMCAP set, so we are done."
 223 fi
 224
 225 # OK, here comes the nasty case...user has a TERMCAP.  Instead of
 226 # trying to follow all the convolutions of the relationship between
 227 # TERM and TERMCAP (partly because it's too painful, and partly because
 228 # we don't actually know what TERM will be nor even if it always has
 229 # the same value for this user) we do the following three steps...
 230
 231 if test -f $HOME/.termcap
 232 then
 233         echo 'I see you have a $HOME/.termcap file.  I will compile that.'
 234         eval $TIC $HOME/.termcap
 235         echo "Done."
 236         echo "Note that editing $HOME/.termcap will no longer change the data curses sees."
 237 elif test -f "$TERMCAP"
 238 then
 239         echo "Your TERMCAP names the file $TERMCAP.  I will compile that."
 240         eval $TIC $TERMCAP
 241         echo "Done."
 242         echo "Note that editing $TERMCAP will no longer change the data curses sees."
 243 else
 244         echo "Your TERMCAP value appears to be an entry in termcap format."
 245         echo "I will compile it."
 246         echo $TERMCAP >myterm$$
 247         eval $TIC myterm$$
 248         rm myterm$$
 249         echo "Done."
 250         echo "Note that editing TERMCAP will no longer change the data curses sees."
 251 fi
 252 echo "To do that, decompile the terminal decription you want with infocmp(1),"
 253 echo "edit to taste, and recompile using tic(1)."
 254
 255 # capconvert ends here
 256