#!/bin/bash

#

# cli.sh -- This function initializes centos-art command line

# interface.  Variables defined in this function are accesible by all

# other functions. The cli function is the first script executed by

# centos-art command-line onces invoked.

#

# Copyright (C) 2009, 2010 Alain Reguera Delgado

# 

# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

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

# $Id$

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

function cli {

    # Initialize global variables.

    local FUNCNAM=''

    local ACTIONNAM=''

    local ACTIONVAL=''

    local REGEX=''

    local ARGUMENTS=''

    # Redefine positional parameters stored inside ARGUMENTS variable.

    cli_doParseArgumentsReDef "$@"

    # Redefine action variables (i.e., FUNCNAM, ACTIONNAM, and

    # ACTIONVAL).  As convenction we use the first command-line

    # argument position to define FUNCNAM, and second argument

    # position to define both ACTIONNAM and ACTIONVAL.

    cli_getArguments

    # Define default text editors used by centos-art.sh script.

    if [[ ! "$EDITOR" =~ '/usr/bin/(vim|emacs|nano)' ]];then

        EDITOR='/usr/bin/vim'

    fi

    # Check text editor execution rights. 

    cli_checkFiles $EDITOR 'x'

    # Initialize regular expression (REGEX) used to reduce file

    # processing. If no regular expression is defined, set regular

    # expression to match everything.

    REGEX='.+'

    # Go for function initialization. Keep the cli_getFunctions

    # function calling after all variables and arguments definitions.

    cli_getFunctions

}