#!/bin/sh

prg=`basename "$0"`
dir=`dirname "$0"`/..

usage() {
  jif -h
  cat <<EOF
  -j <jvm-options>         pass options to the Java VM
  -J <jvm>                 use a different Java VM (default java in path)
  -V                       echo the java command
EOF
}

fixclasspath() {
  windows=0

  if [ `uname | grep -c CYGWIN` -ne 0 ]; then
    windows=1
  fi

  cp="$1"

  if [ "$windows" = 1 ]; then 
    cygpath -pw "$cp"
  else
    echo "$cp"
  fi
}

unixfilename() {
  windows=0

  if [ `uname | grep -c CYGWIN` -ne 0 ]; then
    windows=1
  fi

  cp="$1"

  if [ "$windows" = 1 ]; then 
    cygpath -u "$cp"
  else
    echo "$cp"
  fi
}

unixpath() {
  windows=0

  if [ `uname | grep -c CYGWIN` -ne 0 ]; then
    windows=1
  fi

  cp="$1"

  if [ "$windows" = 1 ]; then 
    cygpath -pu "$cp"
  else
    echo "$cp"
  fi
}

runtime_lib_path=
lib_classpath=
extra_cp=
args=
vmargs=
classpath=
java=java

jif() {
  eval "$java" "$vmargs" -Djava.library.path="'$runtime_lib_path'" -classpath "'$classpath'" "$@"
}
jifprint() {
  echo "$java" "$vmargs" -Djava.library.path="'$runtime_lib_path'" -classpath "'$classpath'" "$@"
}

while true; do
    case "$1" in
        "")
            break
            ;;
        -V)
            verbose=1
            shift
            ;;
        -classpath)
            shift
            if [ -z "$extra_cp" ]; then
              extra_cp="$1"
            else
              extra_cp="$extra_cp:$1"
            fi
            shift
            ;;
        -j)
            shift
            vmargs="$vmargs '$1'"
            shift
            ;;
        -J)
            shift
            java="'$1'"
            shift
            ;;
        -h)
            usage=1
            break
            ;;
        *)
            args="$args '$1'"
            shift
            ;;
    esac
done

unixclasspath=`unixpath $CLASSPATH`
classpath="$extra_cp:$unixclasspath"


path_unix=`unixpath $PATH`
runtime_lib_path="$dir/lib:$path_unix"
lib_classpath="$dir/lib-classes:$dir/lib/jiflib.jar:$dir/rt-classes:$dir/lib/jifrt.jar"
classpath="$classpath:$lib_classpath"

runtime_lib_path=`fixclasspath "$runtime_lib_path"`
lib_classpath=`fixclasspath "$lib_classpath"`
classpath=`fixclasspath "$classpath"`


if [ "$usage" = 1 ]; then
  usage
  exit 0
fi

if [ "$verbose" = 1 ]; then
    jifprint "$args"
fi

jif "$args"
