#!/bin/bash

#

# help_getOptions.sh -- This function interpretes option arguments

# passed to `help' functionality through the command-line and defines

# action names accordingly.

#

# Copyright (C) 2009, 2010, 2011 The CentOS Artwork SIG

#

# 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 help_getOptions {

    # Define short options we want to support.

    local ARGSS=""

    # Define long options we want to support.

    local ARGSL="quiet,answer-yes,dont-commit-changes,backend:,read,search:,edit,update,copy,delete,rename,style:,sort:"

    # Parse arguments using getopt(1) command parser.

    cli_parseArguments

    # Reset positional parameters using output from (getopt) argument

    # parser.

    eval set -- "$ARGUMENTS"

    # Define action to take for each option passed.

    while true; do

        case "$1" in

            --quiet )

                FLAG_QUIET="true"

                FLAG_DONT_COMMIT_CHANGES="true"

                shift 1

                ;;

            --answer-yes )

                FLAG_ANSWER="true"

                shift 1

                ;;

            --dont-commit-changes )

                FLAG_DONT_COMMIT_CHANGES="true"

                shift 1

                ;;

            --backend )

                # CAUTION: Be sure to sanitate this input value

                # through cli_getRepoName using just the basename of

                # the value provided. Otherwise, functionalities might

                # be executed from unexpected places.

                FLAG_BACKEND="$(cli_getRepoName "$2" -f)"

                shift 2

                ;;

            --search )

                ACTIONNAM="searchIndex"

                FLAG_SEARCH="$2"

                shift 2

                ;;

            --edit )

                ACTIONNAM="editEntry"

                shift 1

                ;;

            --copy )

                ACTIONNAM="copyEntry"

                shift 1

                ;;

            --delete )

                ACTIONNAM="deleteEntry"

                shift 1

                ;;

            --rename )

                ACTIONNAM="renameEntry"

                shift 1

                ;;

            --update )

                ACTIONNAM="updateOutputFiles"

                shift 1

                ;;

            --read )

                ACTIONNAM="searchNode"

                shift 1

                ;;

            --style )

                FLAG_STYLE="$2"

                shift 2

                ;;

            --sort )

                FLAG_SORT="$2"

                shift 2

                ;;

            -- )

                # Remove the `--' argument from the list of arguments

                # in order for processing non-option arguments

                # correctly. At this point all option arguments have

                # been processed already but the `--' argument still

                # remains to mark ending of option arguments and

                # begining of non-option arguments. The `--' argument

                # needs to be removed here in order to avoid

                # centos-art.sh script to process it as a path inside

                # the repository, which obviously is not.

                shift 1

                break

                ;;

        esac

    done

    # Redefine ARGUMENTS variable using current positional parameters. 

    cli_parseArgumentsReDef "$@"

}