#!/bin/bash

#

# cli_getArguments.sh -- This function initializes the action

# name and value used by functionalities to perform their goals.

#

# 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_getArguments {

    # Set command-line arguments for processing using positional

    # parameters variables.

    eval set -- "$ARGUMENTS"

    # Define function name (FUNCNAM) variable from first command-line

    # argument.  As convenction we use the first argument to determine

    # the exact name of functionality to call. Later we use action

    # name (ACTIONNAM) and action value (ACTIONVAL) to know, inside

    # functionality defined by FUNCNAME, the exact action to perform.

    FUNCNAM=$(cli_getRepoName "$1" 'f')

    # Define action name (ACTIONNAM) and action value (ACTIONVAL)

    # variables passed as second argument to the command line

    # interface when the format is `--option=value' without the value

    # # part.

    if [[ "$2" =~ '^--[a-z-]+=.+$' ]];then

        # Define action name passed in the second argument.

        ACTIONNAM=$(echo "$2" | cut -d = -f1)

        # Define action value passed in the second argument. 

        ACTIONVAL=$(echo "$2" | cut -d = -f2-)

    # Define action name (ACTIONNAM), and action value (ACTIONVAL)

    # variables passed as second argument to the command line

    # interface when the format is `--option' without the value part.

    elif [[ "$2" =~ '^--[a-z-]+=?$' ]];then

        # Define action name passed in the second argument.

        ACTIONNAM=$(echo "$2" | cut -d = -f1)

        # Define action value passed in the second argument.  There is

        # no action value (ACTIONVAL) entered from command-line here.

        # To find out which action value to use, check current working

        # directory, and if inside the repository, use current working

        # directory as ACTIONVAL default value.

        if [[ $(pwd) =~ '^/home/centos/artwork' ]];then

            ACTIONVAL=$(pwd)

        fi

    # Define default action when second argument is wrongly specified,

    # or not specified at all.

    else

        cli_printMessage "`gettext "Missing arguments."`" 'AsErrorLine'

        cli_printMessage "$(caller)" 'AsToKnowMoreLine'

    fi

    # Check action value passed in the second argument.

    cli_checkActionArguments

    # Remove the first and second arguments passed to centos-art.sh

    # command-line in order to build optional arguments, they are

    # already set in FUNCNAM, ACTIONNAM, and ACTIONVAL variables, so

    # we remove it from command-line arguments in order for getopt to

    # interpret it not.  Now, what was preivously set on $2 is now at

    # $1, what was previously set on $3 is now set at $2, and so on.

    shift 2

    # Redefine positional parameters stored inside ARGUMENTS variable.

    cli_doParseArgumentsReDef "$@"

}