logos

#!/bin/bash

SCRIPT_NAME=`readlink $0`
if test -x "$SCRIPT_NAME";
then
    LOGOS_DIRNAME=`dirname $SCRIPT_NAME`
else
    LOGOS_DIRNAME=`dirname $0`
fi
LOGOS_DIR=`(cd $LOGOS_DIRNAME; pwd)`

# set up run keywords
# "ARGS" stores command line arguments not treated in this file (passed through)
declare -a ARGS

# by default run in "dev" mode
MODE='dev'

# loop through arguments and look for those that are handled before Python is called
while test $# -gt 0
do
  case "$1" in
    -D)
      # run in development mode (assertions not stripped)
      MODE='dev'
      ;;
    --help)
      # display "help" print
      MODE='help'
      ;;
    *)
      # otherwise, pass through arguments to logos_main.py
      ARGS[${#ARGS[@]}]="$1"
  esac
  shift
done

PYTHON_COMMAND=${PYTHON_COMMAND:=python}

# if there's no file to run after parsing arguments, run "help" after warning of the problem.
if [ ${#ARGS[@]} -eq 0 ]; then
  echo ''
  echo 'ERROR: No input file specified! See options below.'
  MODE='help'
fi

# run Driver.py based on the mode chosen
case $MODE in
  'opt' )
    echo 'Running LOGOS in "opt" mode.'
    $PYTHON_COMMAND -O $LOGOS_DIR/src/logos_main.py "${ARGS[@]}"
    ;;
  'dev' )
    echo 'Running LOGOS in "dev" mode.'
    $PYTHON_COMMAND $LOGOS_DIR/src/logos_main.py "${ARGS[@]}"
    ;;
  'help' )
    echo ''
    echo '  ------------------------------------------'
    echo '  Default usage:'
    echo '    logos -i filename.xml -o outputfilename.o'
    echo ''
    echo '  Description:'
    echo '      This will run LOGOS in "opt" mode using "filename.xml" as the input.  This should be'
    echo '      sufficient for the majority of LOGOS calculations.  For more options, see below.'
    echo '  ------------------------------------------'
    echo ''
    echo '  Advanced usage:'
    echo '    logos filename [-D]'
    echo ''
    echo '  Description:'
    echo '    Runs LOGOS using the input file given by "filename".'
    echo ''
    echo '  Options:'
    echo '    -D'
    echo '      Development mode.  Turns Python "assert" statements on.'
    echo ''
    echo '    --help'
    echo '      Shows this description and exits.'
    echo ''
    ;;
  *)
    echo 'Unrecognized MODE "'${MODE}'" in LOGOS_framework! Exiting ...'
esac