#!/bin/bash
#set +e;  # Exit upon an error
#set -x;  # To see what each command expands to
#set -v   # To get a verbose dump of each line the shell reads



set_defaults () {
    directory_mode_on="F"
    directory_name="./"
    file_name=""
    ExitStatus=0
    RunDir=$(pwd)
}

############################################################################################
# Short usage description
usage () {
   echo ""
   echo " ==============================================================================="
   echo " Recompile Autos Usage Description:"
   echo " ==============================================================================="
   echo
   echo " ra <file name/directory name>           ---------------------------------------"
   echo
   echo " Option -F <file_name>         : Recompile autos in specified file."
   echo " Option -D <directory_name>    : Recompile autos in specified directory."
   echo " ==============================================================================="
   echo ""
   exit 2
}

parse_command_line () {
	if [ $# -eq 0 ]; then
	  usage
	fi

	if [ $# -eq 1 ]; then
		if [ -f $1 ] ; then
	  		file_name="$1"
	  		echo
   			echo "==============================================================================="
			echo "Auto arg: working on single file: $1"
   			echo "==============================================================================="
	  		echo
		else
            directory_name="$1"
            directory_mode_on="T"
	  		echo
   			echo "==============================================================================="
            echo "Auto arg: working on whole directory: $1"
            ls -1 $1/*.v
   			echo "==============================================================================="
	  		echo
		fi
	fi

    while getopts :D:F: option
    do 
        case $option in
            F ) file_name="$OPTARG"
                ;;
            D ) directory_name="$OPTARG"
            	directory_mode_on="T"
                ;;
            * ) usage
                ;;
        esac 
    done   
}

main () {
 
	#emacs --batch  <filenames.v>  -f verilog-batch-inject-auto
	
    if [ "$directory_mode_on" == "T" ] ; then
		emacs --batch --no-site-file -l /shared_01/home/michael/elisp/verilog-mode.el $directory_name/*.v -f verilog-batch-delete-auto
		emacs --batch --no-site-file -l /shared_01/home/michael/elisp/verilog-mode.el $directory_name/*.v -f verilog-batch-auto
    else
		emacs --batch --no-site-file -l /shared_01/home/michael/elisp/verilog-mode.el $file_name -f verilog-batch-delete-auto
		emacs --batch --no-site-file -l /shared_01/home/michael/elisp/verilog-mode.el $file_name -f verilog-batch-auto
    fi
}
	
############################################################################################
############################################################################################
# The main body of the script
############################################################################################
############################################################################################
set_defaults
parse_command_line $@
main


echo "Done." 
echo 
echo
exit $ExitStatus