#!/bin/sh

DOS=false
SECTIONC=0

if [ "$1" = '--dos' ]
then
 DOS=true;
 shift;
fi

OUT="$1"
IN="$2"

ret=`{ tempfile --help > /dev/null && echo ok; } 2> /dev/null`
if [ "$ret" = 'ok' ]
then
 HELPFILE=`tempfile -p $$- -s .help`
else
 HELPFILE=tempfile-$$.help
 touch $HELPFILE
fi

HELPOPTS=''

ARGS_END_OPTS_ON_NON_OPT=false

ast2roar_help() {
 HELPOPTS="$*"

 cat > $HELPFILE
}


if [ -r $IN ]
then
 . ./$IN
else
 rm $HELPFILE
 exit 1;
fi

{
 $DOS && echo '@ECHO OFF'
 $DOS || echo '#!/bin/sh'
 echo

 $DOS && echo "SET _ARGS=$ARGS_ADD_OPTS"
 $DOS || echo "_args='$ARGS_ADD_OPTS';"

 if $DOS
 then
  cat <<_E_O_F_

:mloop
IF "x%1" == "x" GOTO mloopend
SET k=%1
SHIFT

IF "%k%" == "--" GOTO mloopend
_E_O_F_
 else
  cat <<_E_O_F_

while [ -n "\$1" ]
do
 k="\$1";
 shift;

 case "\$k" in
  '--')
   break;
  ;;
_E_O_F_
 fi

 if [ "$HELPOPTS" != '' ]
 then
  if $DOS
  then
   for o in $HELPOPTS
   do
    echo "IF \"%k%\" == \"$o\" GOTO help"
   done
  else
   _opts=`echo "$HELPOPTS" | sed "s/^/\'/; s/$/\'/; s/ /\'\|\'/g"`
   echo "  $_opts)";
   echo '   cat <<__AST2ROAR__END_OF_HELP_TEXT__'
   cat $HELPFILE
   echo '__AST2ROAR__END_OF_HELP_TEXT__'
   echo '   exit 0;'
   echo '  ;;';
  fi
 fi

 for o in $ARGS_IGNORE_OPTS
 do
  on=`echo $o | cut -d: -f1`
  oa=`echo $o | cut -d: -f2`
  if $DOS
  then
   if $oa
   then
    echo "IF \"%k%\" == \"$on\" GOTO nextshift"
   else
    echo "IF \"%k%\" == \"$on\" GOTO next"
   fi
  else
   echo "  '$on')";
   if $oa
   then
    echo '   shift;';
   fi
   echo '  ;;';
  fi
 done

 for o in $ARGS_PASS_OPTS
 do
  on=`echo $o | cut -d: -f1`
  oa=`echo $o | cut -d: -f2`
  if $DOS
  then
   if $oa
   then
    echo 'IF "%k%" == "'"$on"'" GOTO passval';
   else
    echo 'IF "%k%" == "'"$on"'" GOTO pass';
   fi
  else
   echo "  '$on')";
   if $oa
   then
    echo '   _args="$_args '"$on"' $1";';
    echo '   shift;';
   else
    echo '   _args="$_args '"$on"'";';
   fi
   echo '  ;;';
  fi
 done

 for o in $ARGS_MAP_OPTS
 do
  on=`echo $o | cut -d: -f1`
  oa=`echo $o | cut -d: -f2`
  or=`echo $o | cut -d: -f3 | sed 's/""/ /g'`
  if $DOS
  then
   sec=sec$SECTIONC
   SECTIONC=`expr $SECTIONC + 1`
   if $oa
   then
    cat <<_E_O_F_
IF NOT "%k%" == "$on" GOTO ${sec}end
SET _ARGV=%_ARGV% $or %1
GOTO nextshift
:${sec}end

_E_O_F_
   else
    cat <<_E_O_F_
IF NOT "%k%" == "$on" GOTO ${sec}end
SET _ARGV=%_ARGV% $or
GOTO next
:${sec}end

_E_O_F_
   fi
  else
   echo "  '$on')";
   if $oa
   then
    echo '   _args="$_args '"$or"' $1";';
    echo '   shift;';
   else
    echo '   _args="$_args '"$or"'";';
   fi
   echo '  ;;';
  fi
 done

 for o in $ARGS_DEEQ_OPTS
 do
  if $DOS
  then
   echo "REM IGNORED DEEQ: $o";
   echo "Warning: can not compile DEEQ as target does not support DEEQ: $o" >&2
  else
   echo "  '$o='*)";
   echo '   _para=`echo "$k" | cut -d= -f2`;';
   echo '   _args="$_args '"$o"' $_para";';
   echo '  ;;';
  fi
 done

 for o in $ARGS_ENV_OPTS
 do
  on=`echo $o | cut -d: -f1`
  or=`echo $o | cut -d: -f2`
  if $DOS
  then
   sec=sec$SECTIONC
   SECTIONC=`expr $SECTIONC + 1`
   cat <<_E_O_F_
IF NOT "%k%" == "$on" GOTO ${sec}end
SET $or=%1
GOTO nextshift
:${sec}end
_E_O_F_
  else
   echo "  '$on')";
   echo "   export $or=\"\$1\"";
   echo '   shift;';
   echo '  ;;';
   echo "  '$on='*)";
   echo '   _para=`echo "$k" | cut -d= -f2`;';
   echo "   export $or=\"\$_para\"";
   echo '  ;;';
  fi
 done

 if $DOS
 then
  : # we ignore this here and handle in the next section
 else
  cat <<_E_O_F_
  '-'*)
   echo "Unknown option" >&2;
   exit 1;
  ;;
  *)
_E_O_F_
 fi

 if $ARGS_PASS_NON_OPTS
 then
  if $DOS
  then
   echo "Warning: can not compile unknown options check in as target does not support it" >&2
   echo "REM IGNORED UNKNOWN OPTION CHECK"
   if $ARGS_END_OPTS_ON_NON_OPT
   then
    cat <<_E_O_F_
SET _ARGV=%_ARGV% %k%
GOTO mloopend
_E_O_F_
   else
    echo 'GOTO addshift';
   fi
  else
   echo '   _args="$_args $k";';
   if $ARGS_END_OPTS_ON_NON_OPT
   then
    echo '   break;';
   fi
  fi
 else
  if $DOS
  then
   echo 'GOTO erruopt'
  else
   echo '   echo "Unknown option" >&2;';
   echo '   exit 1;';
  fi
 fi

 if $DOS
 then
  cat <<_E_O_F_

GOTO next
:pass
SET _ARGV=%_ARGV% %k%
GOTO next
:passval
SET _ARGV=%_ARGV% %k%
:addshift
SET _ARGV=%_ARGV% %1
:nextshift
SHIFT

:next
GOTO mloop
:mloopend

_E_O_F_
 else
  cat <<_E_O_F_
  ;;
 esac;
done

_E_O_F_
 fi

 if $ARGS_PASS_NON_OPTS
 then
  $DOS && echo "SET _ARGS=%_ARGS% %1 %2 %3 %4 %5 %6 %7 %8 %9"
  $DOS || echo '_args="$_args $*";';
 else
  if $DOS
  then
   echo 'IF "%1%2%3%4%5%6%7%8%9" GOTO erruopt'
  else
   echo 'if [ "$*" != "" ]';
   echo 'then';
   echo ' echo "Unknown option" >&2;';
   echo ' exit 1;';
   echo 'fi';
  fi
 fi

 if $DOS
 then
  cat <<_E_O_F_

$RNAME %_ARGS%

GOTO end

:erruopt
ECHO Unknown option
EXIT 1
GOTO end

:help
_E_O_F_
  if [ "$HELPOPTS" != '' ]
  then
   sed 's/^$/./; s/^/echo /; s/</#/g; s/>/#/g;' $HELPFILE
  fi
  cat <<_E_O_F_
GOTO end

:end

_E_O_F_
 else
  cat <<_E_O_F_

exec $RNAME \$_args

_E_O_F_
 fi

 echo
 $DOS && echo 'REM ll'
 $DOS || echo '#ll'
} > $OUT

chmod a+rx $OUT

rm $HELPFILE

exit 0;

#ll