#!/bin/bash

#

# cli_exportFunctions.sh -- This function exports funtionalities to

# `centos-art.sh' script execution evironment.

#

# Copyright (C) 2009, 2010, 2011 The CentOS Project

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at

# your option) any later version.

#

# This program is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function cli_exportFunctions {

    # Define source location where function files are placed in.

    local LOCATION=$1

    # Define suffix used to retrive function files.

    local SUFFIX=$2

    # Verify suffix value used to retrive function files. Assuming no

    # suffix value is passed as second argument to this function, use

    # the function name value (CLI_FUNCNAME) as default value.

    if [[ $SUFFIX == '' ]];then

        SUFFIX=$CLI_FUNCNAME

    fi

    # Define pattern used to retrive function names from function

    # files.

    local PATTERN="^function[[:space:]]+${SUFFIX}[[:alnum:]_]*[[:space:]]+{$"

    # Define list of files.

    local FUNCFILE=''

    local FUNCFILES=$(cli_getFilesList ${LOCATION} --pattern="${SUFFIX}.*\.sh" --maxdepth="1")

    # Verify list of files. If no function file exists for the

    # location specified stop the script execution. Otherwise the

    # script will surely try to execute a function that haven't been

    # exported yet and report an error about it.

    if [[ $FUNCFILES == '' ]];then

        cli_printMessage "`gettext "No function file was found for this action."`" --as-error-line

    fi

    # Process list of files.

    for FUNCFILE in $FUNCFILES;do

        # Verify file execution rights.

        cli_checkFiles $FUNCFILE --execution

        # Initialize file.

        . $FUNCFILE

        # Export function names inside the file to current shell

        # script environment.

        export -f $(egrep "${PATTERN}" ${FUNCFILE} | gawk '{ print $2 }')

    done

}