#!/bin/bash

#
# determine the LOGON root directory, assuming this script resides in a 
# `bin' sub-directory that is shared across platforms.
#
if [ -z "${LOGONROOT}" ]; then
  path=$(dirname $0)
  if [ "${path#./}" != "${path}" ]; then
    path="$(pwd)/${path#./}"
  fi
  if [ "${path#/}" = "${path}" ]; then
    if [ "${path}" = "." ]; then
      path="$(pwd)";
    else 
      path="$(pwd)/${path}"
    fi
  fi
  LOGONROOT="${path%/bin}";
  export LOGONROOT;
fi

#
# include a shared set of shell functions and global parameters, including the
# architecture identifier .LOGONOS.
#
. ${LOGONROOT}/etc/library.bash;
LOGONOS=linux.x86.32;

#
# set up dynamic linker search path, so as to find our shared libraries
#
if [ "${LOGONOS%%.*}" == "linux" ]; then
  if [ -z "${LD_LIBRARY_PATH}" ]; then
    LD_LIBRARY_PATH=${LOGONROOT}/uio/lib/${LOGONOS};
  else
    LD_LIBRARY_PATH=${LOGONROOT}/uio/lib/${LOGONOS}:${LD_LIBRARY_PATH};
  fi
  export LD_LIBRARY_PATH;
fi

if [ "${1}" == "-t" -o "${1}" == "--test" ]; then
  shift 1;
  exec ${LOGONROOT}/uio/bin/${LOGONOS}/tcheap "$@"
elif [ "${1}" == "-n" -o "${1}" == "--new" ]; then
  shift 1;
  exec ${LOGONROOT}/uio/bin/${LOGONOS}/ncheap "$@"
elif [ "${1}" == "-o" -o "${1}" == "--oe" ]; then
  shift 1;
  exec ${LOGONROOT}/uio/bin/${LOGONOS}/ocheap "$@"
elif [ "${1}" == "-c" -o "${1}" == "--conll" ]; then
  shift 1;
  exec ${LOGONROOT}/uio/bin/${LOGONOS}/ccheap "$@"
elif [ "${1}" == "-d" -o "${1}" == "--dfki" ]; then
  shift 1;
  if [ -z "${LD_LIBRARY_PATH}" ]; then
    LD_LIBRARY_PATH=${LOGONROOT}/dfki/lib/${LOGONOS};
  else
    LD_LIBRARY_PATH=${LOGONROOT}/dfki/lib/${LOGONOS}:${LD_LIBRARY_PATH};
  fi
  exec ${LOGONROOT}/dfki/bin/${LOGONOS}/cheap "$@"
else
  exec ${LOGONROOT}/uio/bin/${LOGONOS}/cheap "$@"
fi