#!/bin/sh
#

ver=7.0.0
cwd="`pwd 2> /dev/null`"

if [ -h "$0" ]; then
 ScriptVariable=`ls -l "$0" | sed 's/^.*-> *\(.*\) *$/\1/'`
 ScriptDirectory=`dirname "$ScriptVariable"`

else
 ScriptDirectory=`dirname "$0"`
 cd "$ScriptDirectory"
 ScriptDirectory="`pwd 2> /dev/null`"
 cd "$cwd"
fi
install_dir=`dirname "$ScriptDirectory"`/Reader


#
# Prepend a colon separated environment variable
# $1 string to be prepended
# $2 environment variable
#
prepend()
{
  if [ -z "$2" -o "$2" = "$1" ] ; then
    echo "$1"
  else
    first="`expr "$2" : '\([^:]*\):'`"
    if [ "$first" = "$1" ] ; then
      echo "$2"
    else
      echo "${1}:${2}"
    fi
  fi
}


#
# Tests the version file in an installation directory.
#
test_install_dir()
{
	if [ "`cat "$1"/AcroVersion 2>/dev/null`" = "$ver" ] ; then
		return 0
	else
		return 1
	fi
}



#
# Get the current working directory.
# Try to avoid automounter directories by checking
# if $HOME or $PWD is the same directory as pwd,
# and removing the automount directory component.
#
if [ -z "$cwd" -o ! -d "$cwd" ] ; then
  echo "ERROR: Cannot determine current directory."
  exit 1
fi

if [ "$HOME" -a -d "$HOME" ] && [ "`cd / ; cd "$HOME" ; pwd`" = "$cwd" ] ; then
  cwd="$HOME"
elif [ "$PWD" -a -d "$PWD" ] && [ "`cd / ; cd "$PWD" ; pwd`" = "$cwd" ] ; then
  cwd="$PWD"
fi


PWD="$cwd"
export PWD


#
# Setup ACRO_ARG0 to this script
#
arg0="$0"
if [ "$arg0" ] ; then
  case "$arg0" in
     /*) ;;
    ./*) arg0="$cwd/`expr "$arg0" : '\./\(.*\)'`" ;;
      *) arg0="$cwd/$arg0" ;;
  esac

  ACRO_ARG0="$arg0"
  export ACRO_ARG0
fi


#
# Try to find the installation directory
#
if ( test_install_dir "$install_dir" ) ; then
  ACRO_INSTALL_DIR="$install_dir"
  export ACRO_INSTALL_DIR
  
else
  script="$arg0"
  while [ "$script" ] ; do
    install_dir="`dirname "$script"`"
    if ( test_install_dir "$install_dir/Reader" ) ; then
      ACRO_INSTALL_DIR="$install_dir/Reader"
      export ACRO_INSTALL_DIR
      break
    fi

    install_dir="`dirname "$install_dir"`"
    if ( test_install_dir "$install_dir/Reader" ) ; then
      ACRO_INSTALL_DIR="$install_dir/Reader"
      export ACRO_INSTALL_DIR
      break
    fi

    if [ -h "$script" ] ; then
      new_script=`ls -l "$script" | sed 's/^.*-> *\(.*\) *$/\1/'`
      if [ "$new_script" -a "`expr "$new_script" : '/.*'`" = 0 ] ; then
        new_script="`dirname "$script"`/$new_script"
      fi
      script="$new_script"
    else
      break
    fi
  done

  if ( test_install_dir "$ACRO_INSTALL_DIR" ) ; then
    :
  elif ( test_install_dir "$ACRO_HOME" ) ; then
    ACRO_INSTALL_DIR="$ACRO_HOME"
    export ACRO_INSTALL_DIR
  else
    echo "ERROR: Cannot find installation directory."
    exit 1
  fi
fi


#
# setup the configuration from uname
#
os_name=`uname -s`
os_release=`uname -r`

case "$os_name" in
  SunOS)
    case "$os_release" in
      4.1.3*|4.1.4*|4.1C)
        ACRO_CONFIG=sparcsun
        export ACRO_CONFIG
        ;;
      5.*)
        machine_type=`uname -p`
        case "$machine_type" in
          sparc)
            ACRO_CONFIG=sparcsolaris
            export ACRO_CONFIG
            ;;
          intel|i386)
            ACRO_CONFIG=intelsolaris
            export ACRO_CONFIG
            ;;
          ppc)
            ACRO_CONFIG=ppcsolaris
            export ACRO_CONFIG
            ;;
        esac
        ;;
    esac
    ;;
   Linux)
    ACRO_CONFIG=intellinux
    export ACRO_CONFIG
    ;;
esac

if [ -z "$ACRO_CONFIG" ] ; then
   echo "The OS named  $os_name version $os_release is currently not installed."
   echo "Try running on an installed platform and connecting to your display."
   echo "Installed platform(s) include the following:"

  if [ -d "$ACRO_INSTALL_DIR"/sparcsolaris ] ; then
    echo "  SPARC/Solaris version 2.x"
  fi
  if [ -d "$ACRO_INSTALL_DIR"/intellinux ] ; then
    echo "  Intel/Linux"
  fi
  exit 1
fi

#
# Setup configuration specific environment variables
#
case "$ACRO_CONFIG" in
  sparcsolaris)
    LD_LIBRARY_PATH="`prepend "$ACRO_INSTALL_DIR/$ACRO_CONFIG/lib" "$LD_LIBRARY_PATH"`"
    export LD_LIBRARY_PATH
    ;;
  intellinux)
    LD_LIBRARY_PATH="`prepend "$ACRO_INSTALL_DIR/$ACRO_CONFIG/lib:$ACRO_INSTALL_DIR/$ACRO_CONFIG/sidecars" "$LD_LIBRARY_PATH"`"
    export LD_LIBRARY_PATH
    ;;
esac

DefaultPSRESPATH="$HOME/psres:$HOME/fonts:/usr/psres"
if [ -z "$PSRESOURCEPATH" ] ; then
  PSRESOURCEPATH="$DefaultPSRESPATH"
else
  PSRESOURCEPATH="$PSRESOURCEPATH":"$DefaultPSRESPATH"
fi
case "$PSRESOURCEPATH" in
  ::*|*::*|*::)
    ;;
  *)
    PSRESOURCEPATH="$PSRESOURCEPATH"::
    ;;
esac
export PSRESOURCEPATH

directory="`basename \"$ACRO_INSTALL_DIR\"`"

if [ "$directory" = "Reader" ]; then
	cmd="acroread"
    prod="Adobe Reader"
fi

#
# Set the command.  Process any debug flags and exec.
#
ACRO_EXEC_CMD="$ACRO_INSTALL_DIR/$ACRO_CONFIG/bin/$cmd"
export ACRO_EXEC_CMD

ACRO_RES_DIR=$ACRO_INSTALL_DIR/../Resource
export ACRO_RES_DIR

ACRO_LANG=ENU
export ACRO_LANG

# Adobe Reader uses gconftool-2 to check whether accessibility support is enabled. Please refer to the Readme file to work around this.
IS_GCONF_TOOL=`which gconftool-2 2>&1 |cut -f1 -d' '`
if [ "$IS_GCONF_TOOL" = "no" ]
then
	# gconftool-2 is not there on system, turn off AT support
	ACRO_AT_ACTIVE="false"
	export ACRO_AT_ACTIVE
else
	ACRO_AT_ACTIVE=`gconftool-2 -g /desktop/gnome/interface/accessibility 2>/dev/null`
	export ACRO_AT_ACTIVE
fi

if [ "$ACRO_AT_ACTIVE" = "true" ]; then
	if [ "$os_name" = "Linux" ] ; then
	    GTK_MODULES=gail:atk-bridge
	    export GTK_MODULES
	fi
fi

if [ "$1" = "-DEBUG" ] ; then
  if [ $# = 1 ] ; then
    export ACRO_EXEC_CMD
    exec "$SHELL"
  else
    shift
    exec ${1+"$@"} "$ACRO_EXEC_CMD"
  fi
fi

if [ -f "$ACRO_EXEC_CMD" ] ; then
  exec "$ACRO_EXEC_CMD" ${1+"$@"}
else
  echo "ERROR: Cannot find $ACRO_EXEC_CMD"
  echo "  $prod not installed for this configuration, \"$ACRO_CONFIG\"."
  exit 1
fi