util/wm-oldmenu2new

   1 #!/bin/sh
   2 #
   3 # wm-oldmenu2new: script to convert from old-style WindowMaker
   4 # menu file to the new PropertyList style of the WMRootMenu.
   5 #
   6 # Note: ex in all the Linux systems I've used is badly
   7 # broken, except for nex.  perl can be relied on however.
   8 # Re-written to use perl.
   9 #
  10 # Local dependencies:
  11 #   None.
  12 #
  13 # Authors: Luke Kendall, Toby J Sargeant
  14 #
  15 # Copyright waived; no warranty provided.
  16 #
  17
  18 GLW=GNUstep/Library/WindowMaker
  19 GD=GNUstep/Defaults
  20 WLW=$HOME/$GLW
  21 WD=$HOME/$GD
  22
  23 MYNAME=`basename $0`
  24 USAGE="usage: $MYNAME [menu-file-specifier]
  25     E.g.        $MYNAME menu.pt
  26     or          $MYNAME pt
  27     The default menu if no arguments are given is the English one, 'menu'."
  28
  29 #
  30 # Process arguments - work out which language menu we're converting.
  31 # Note that foreign language locales do *not* have the .lang suffix
  32 # attached to the WMRootMenu name.
  33 #
  34 OLD_MENU=menu
  35 NEW_MENU=WMRootMenu
  36 if [ $# = 1 ]
  37 then
  38     if [ -s "$WLW/menu.$1" ]
  39     then
  40         OLD_MENU="menu.$1"
  41         NEW_MENU="WMRootMenu"
  42     elif [ -s "$WLW/$1" ]
  43     then
  44         OLD_MENU="$1"
  45         x=`expr "$1" : "menu\.\(.*\)"`
  46         [ "x$x" != "x" ] && NEW_MENU="WMRootMenu"
  47     else
  48         echo "$MYNAME: $WLW/$1 does not exist" >&2
  49         exit 1
  50     fi
  51 elif [ $# != 0 ]
  52 then
  53     echo "$USAGE" >&2
  54     exit 1
  55 fi
  56
  57 #
  58 # For working out what cc is installed
  59 #
  60 which1()
  61 {
  62     oldpath=$PATH
  63     PATH=/bin:/usr/bin:/usr/local/bin
  64
  65     IFS=":"
  66     for j in $oldpath
  67     do
  68         test -x $j/$1 && test ! -d $j/$1 && echo $j/$1 && return 0
  69     done
  70     IFS=" "
  71     return 1
  72 }
  73
  74 #
  75 # Expand macros if necessary.
  76 # Create a temp copy of the menu file to edit to turn into the new.
  77 #
  78 TD=$(/bin/mktemp -d /tmp/wmmenu.XXXXXX) || { echo "$0: can not create temporary file" >& 2; exit 1; }
  79 T=$TD/wmmenu$$
  80
  81 echo "Converting $GLW/$OLD_MENU --> $GD/$NEW_MENU"
  82 cd $WLW || exit 1
  83 if [ ! -s "$OLD_MENU" ]
  84 then
  85     echo "$MYNAME: $WLW/$OLD_MENU does not exist" >&2
  86     exit 1
  87 fi
  88 #
  89 # Always pre-process, to join lines split with \, and to strip comments.
  90 # Not to mention the main purpose, include & process wmmacros if used.
  91 #
  92 set -e
  93 CC=`which1 cc`
  94 [ "x$CC" = "x" ] && CC=`which1 gcc`
  95 [ "x$CC" = "x" ] && "$MYNAME: no cc, gcc found - can't preprocess" >&2 && exit 1
  96
  97 #
  98 # Use the "parse as if it's C option" if cc is gcc, because
  99 # newer versions apparently get confused.  Apparently gcc -E does
 100 # not simply run the preprocessor (that's sad).
 101 #
 102 strings "$CC" | grep -l gcc > /dev/null && GCC_FLAGS="-x c"
 103
 104 cp $OLD_MENU $T-c
 105 #
 106 # Given the set -e, the exit 1 shouldn't be needed.  But it is, on my NeXT!
 107 #
 108 $CC -E -I. $GCC_FLAGS $T-c > $T+c || exit 1
 109 sed '/^#/d;/^[  ]*$/d' $T+c > $T
 110 rm $T-c $T+c
 111 set +e
 112
 113 #
 114 # This is the interesting bit.  Edit the old style menu and
 115 # convert into new style property-list menu.
 116 #
 117 perl - $T <<-'EOF' > $T-p
 118         $v=chr(22);
 119         for (<>) {
 120                 push @foo,$_;
 121         }
 122         for (@foo) {
 123                 s/\s*$//;
 124                 s/^(\s*)"*(Workspaces*)"*\s\s*(WORKSPACE_MENU)/\1(\2, \3),/;
 125                 s/^(\s*)("[^"]*")\s+MENU/\1($v\n\1\2,/;
 126                 push @foo2,split "\n";
 127         }
 128         @foo=();
 129         for (@foo2) {
 130                 s/^(\s*)"([^"]*)"\s\s*END/\1),/;
 131                 s/^(\s*)"([^"]*)"\s\s*EXEC\s\s*(.*)$/\1($v\n\1"\2",$v\n\1EXEC,$v\n\1"\3"$v\n\1),/;
 132                 push @foo,split "\n";
 133         }
 134         @foo2=();
 135         for (@foo) {
 136
 137 s/^(\s*)"([^"]*)"\s\s*OPEN_MENU\s\s*(.*)$/\1($v\n\1"\2",$v\n\1OPEN_MENU,$v\n\1"\3"$v\n\1),/;
 138                 push @foo2,split "\n";
 139         }
 140         @foo=();
 141         for (@foo2) {
 142                 s/^(\s*)([^     ]*)\s\s*MENU/\1($v\n\1"\2",/;
 143                 push @foo,split "\n";
 144         }
 145         @foo2=();
 146         for (@foo) {
 147                 s/^(\s*)([^     ]*)\s\s*END/\1),/;
 148                 s/^(\s*)([^     ]*)\s\s*EXEC\s\s*(.*)$/\1($v\n\1"\2",$v\n\1EXEC,$v\n\1"\3"$v\n\1),/;
 149                 push @foo2,split "\n";
 150         }
 151         @foo=();
 152         for (@foo2) {
 153                 s/^(\s*)([^
 154 ]*)\s\s*OPEN_MENU\s\s*(.*)$/\1($v\n\1"\2",$v\n\1OPEN_MENU,$v\n\1"\3"$v\n\1),/;
 155                 push @foo,split "\n";
 156         }
 157         @foo2=();
 158         for (@foo) {
 159                 s/ WITH / QQQjjQQQ /;
 160                 s/^(\s*)"([^"]*)"\s\s*([A-Z_][A-Z_]*)$/\1("\2", \3),/;
 161                 s/^(\s*)"([^"]*)"\s+([A-Z_][A-Z_]*)\s\s*(.*)$/\1("\2", \3, \4),/;
 162                 s/"(.*".*)"/JJJqqJJJ\1JJJqqJJJ/;
 163                 /JJJqqJJJ/ && s/"/\\"/g;
 164                 s/JJJqqJJJ/"/g;
 165                 s/ QQQjjQQQ / WITH /;
 166                 print "$_\n";
 167         }
 168 EOF
 169 mv $T-p $T
 170
 171 #
 172 # Now strip off spurious commas from lines like:
 173 #       ),
 174 #    )
 175 # since comma is a property separator, not terminator.  Sigh.
 176 # Also correct for another problem - Linux ex's require the CTRL-V
 177 # above; a real vi/ex doesn't; so we have to strip out any spurious
 178 # CTRL-V characters if we're using a real ex:
 179 #
 180 sed 's/\x16//g' $T | awk '
 181         {
 182             if (last_line != null)
 183             {
 184                 if ((last_line ~ /,$/) && ($0 ~ /^[     ]*\)/))
 185                     print substr(last_line, 0, length(last_line)-1)
 186                 else
 187                     print last_line
 188             }
 189             last_line = $0
 190         }
 191
 192 END     {
 193             if (last_line != null)
 194             {
 195                 if (last_line ~ /,$/)
 196                     print substr(last_line, 0, length(last_line)-1)
 197                 else
 198                     print last_line
 199             }
 200         }
 201 ' > $WD/$NEW_MENU.new || exit 1
 202
 203 rm -f $T
 204 rm -fr $TD
 205
 206 #
 207 # Now install it.
 208 #
 209 cd $WD
 210 if [ -s $NEW_MENU ]
 211 then
 212     echo "Preserving $NEW_MENU as $NEW_MENU.sav in $WD"
 213     mv $NEW_MENU $NEW_MENU.sav
 214 fi
 215 mv $NEW_MENU.new $NEW_MENU && echo "Created new $WD/$NEW_MENU"