#!/bin/bash
#
# Copyright (C) 2007- Angelo Simone (TU Delft)
# Licensed under the GNU LGPL Version 2.1
#
# Wrapper for oomph-converter.py
#
#
# Created on 20070905
# Last revision by Jeremy CHU VAN on 20110708
#
# Report bugs to a.simone@tudelft.nl
#
#############################################
#

# -- usage string and function
usagestr="\n
NAME\n
\toomph-convert - wrapper to oomph-converter.py for converting from oomph-lib tecplot format to VTK XML\n
\n
\n Make sure that the directory that contains this script is in the path
\n because it contains other helper scripts.
\n 
\n
SYNOPSIS\n
\toomph-convert [OPTIONS] [input_file.dat] \n
\n
\n
OPTIONS\n
\t-h  \t display this help text and exit\n
\t-z  \t add trailing zeros to the output filename \n
\t-p2  \t extract only 2D points with values in data\n
\t-p3  \t extract only 3D points with values in data\n
\t-o  \t ovewrite output files (otherwise skip conversion if they already exist)\n
\n
\n
TYPICAL USAGE EXAMPLES\n
\toomph-convert -h                    \t\t\t\t  -> display help text  \n
\toomph-convert soln12.dat              \t\t\t  -> generate soln12.vtu \n
\toomph-convert -z soln12.dat           \t\t\t  -> generate soln00012.vtu \n
\toomph-convert soln.dat              \t\t\t\t  -> generate soln.vtu \n
\toomph-convert -z soln.dat             \t\t\t  -> generate soln00000.vtu \n
\toomph-convert soln\*.dat              \t\t\t  -> generate soln\*.vtu \n
\toomph-convert -z soln\*.dat           \t\t\t  -> generate soln0000\*.vtu \n
\toomph-convert soln.dat soln12.dat       \t\t  -> generate soln.vtu and soln12.vtu \n
\toomph-convert -z soln.dat soln12.dat    \t\t  -> generate soln00000.vtu and soln00012.vtu \n
\toomph-convert -p2 soln.dat soln12.dat    \t\t  -> generate soln.vtp and soln12.vtp \n
\toomph-convert -p2 -z soln.dat soln12.dat    \t\t  -> generate soln00000.vtp and soln00012.vtp \n
  "

usage() {
  echo -e $usagestr
}

# -- we want at least one parameter (it may be a flag or an argument)
if [ -z "$1" ]; then
        usage
        exit 1
fi

# -- parse command line arguments
zeroflag=
pointflag=
dimflag=0
oflag=
while getopts "hzpo23" OPTIONS; do
    case ${OPTIONS} in
        h)      usage
                exit 0
                ;;
        z)      zeroflag=-z
                ;;
	p)      pointflag=-p
	        ;;
	2)      dimflag=2
	        ;;
	3)      dimflag=3
	        ;;
        o)      oflag=-o
                ;;
        \?)     # getopts issues an error message
                usage
                exit 1
                ;;
    esac
done
shift `expr $OPTIND - 1`

# -- we want at least one file name
if [ $# -eq 0 ]; then
        usage
        exit 1
fi

# -- convert the files
if [ $dimflag -eq 0 ] ; then
    while [ $# -ne 0 ] ; do
	filename=$1
	echo  
	echo  
	echo -- Processing $filename
        # Remove everything after first "." in filename, "." included
	filenametrunc=${filename%\.*} 
        # Assume that this lives in the bin directory (or some other
        # directory that's in the path...
	oomph-convert.py $oflag $zeroflag $filename $filenametrunc.vtu
	shift
    done

else
    while [ $# -ne 0 ] ; do
	filename=$1
	echo  
	echo  
	echo -- Processing $filename
         # Remove everything after first "." in filename, "." included
	filenametrunc=${filename%\.*} 

        # Assume that this lives in the bin directory (or some other
        # directory that's in the path...
	oomph-convert.py $oflag $zeroflag $pointflag$dimflag $filename $filenametrunc.vtp
	shift
    done

fi