Blame Automation/centos-art.sh-mods/Render/render_getConfigOption.sh

Alain Reguera Delgado 8f60cb
#!/bin/bash
Alain Reguera Delgado 8f60cb
#
Alain Reguera Delgado 8f60cb
# render_getConfigOption.sh -- This function standardizes the
Alain Reguera Delgado 8f60cb
# configuration fields are retrived from some action-specific
Alain Reguera Delgado 8f60cb
# definitions.
Alain Reguera Delgado 8f60cb
#
Alain Reguera Delgado 8f60cb
# Copyright (C) 2009-2013 The CentOS Project
Alain Reguera Delgado 8f60cb
#
Alain Reguera Delgado 8f60cb
# This program is free software; you can redistribute it and/or modify
Alain Reguera Delgado 8f60cb
# it under the terms of the GNU General Public License as published by
Alain Reguera Delgado 8f60cb
# the Free Software Foundation; either version 2 of the License, or (at
Alain Reguera Delgado 8f60cb
# your option) any later version.
Alain Reguera Delgado 8f60cb
#
Alain Reguera Delgado 8f60cb
# This program is distributed in the hope that it will be useful, but
Alain Reguera Delgado 8f60cb
# WITHOUT ANY WARRANTY; without even the implied warranty of
Alain Reguera Delgado 8f60cb
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Alain Reguera Delgado 8f60cb
# General Public License for more details.
Alain Reguera Delgado 8f60cb
#
Alain Reguera Delgado 8f60cb
# You should have received a copy of the GNU General Public License
Alain Reguera Delgado 8f60cb
# along with this program; if not, write to the Free Software
Alain Reguera Delgado 8f60cb
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
Alain Reguera Delgado 8f60cb
#
Alain Reguera Delgado 8f60cb
# ----------------------------------------------------------------------
Alain Reguera Delgado 8f60cb
# $Id$
Alain Reguera Delgado 8f60cb
# ----------------------------------------------------------------------
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
function render_getConfigOption {
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Initialize action string.
Alain Reguera Delgado 8f60cb
    local ACTION="$1"
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Initialize field definition.
Alain Reguera Delgado 8f60cb
    local FIELD="$2"
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Initialize configuration options.
Alain Reguera Delgado 8f60cb
    local OPTION=''
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Check action string. The action string must be present in order
Alain Reguera Delgado 8f60cb
    # for this function to work. It provides the information needed to
Alain Reguera Delgado 8f60cb
    # retrive configurantion options from.
Alain Reguera Delgado 8f60cb
    if [[ "$ACTION" == '' ]];then
Alain Reguera Delgado 8f60cb
        cli_printMessage "`gettext "There is no action string to work with."`" --as-error-line
Alain Reguera Delgado 8f60cb
    fi
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Check field definition. The field definition must match any of
Alain Reguera Delgado 8f60cb
    # the formats specified by the `-f' option of `cut' command.
Alain Reguera Delgado 8f60cb
    if [[ ! "$FIELD" =~ '^([0-9]+|[0-9]+-|-[0-9]+|[0-9]+-[0-9]+)$' ]];then
Alain Reguera Delgado 8f60cb
        cli_printMessage "`gettext "The field definition is not valid."`" --as-error-line
Alain Reguera Delgado 8f60cb
    fi
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Get configuration option from action string.
Alain Reguera Delgado 8f60cb
    OPTION=$(echo -n "$ACTION" | cut -d: -f${FIELD})
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Sanitate configuration option retrived from action string.
Alain Reguera Delgado 8f60cb
    OPTION=$(echo -n "${OPTION}" \
Alain Reguera Delgado 8f60cb
        | sed -r 's!^ *!!g' \
Alain Reguera Delgado 8f60cb
        | sed -r 's!( |,|;) *! !g' \
Alain Reguera Delgado 8f60cb
        | sed -r 's! *$!!g')
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
    # Print out the configuration option retrived from action string,
Alain Reguera Delgado 8f60cb
    # only if it is not an empty value. Do not use `echo' or `printf'
Alain Reguera Delgado 8f60cb
    # built-in commands here. Use the `cli_printMessage' functionality
Alain Reguera Delgado 8f60cb
    # instead.  This is required in order to reverse the apostrophe
Alain Reguera Delgado 8f60cb
    # codification accomplished when options were retrived from
Alain Reguera Delgado 8f60cb
    # command-line (cli_parseArgumentsReDef) in the argument of
Alain Reguera Delgado 8f60cb
    # options like `--post-rendition' and `--last-rendition'.
Alain Reguera Delgado 8f60cb
    if [[ $OPTION != '' ]];then
Alain Reguera Delgado 8f60cb
        cli_printMessage "$OPTION" --as-stdout-line
Alain Reguera Delgado 8f60cb
    fi
Alain Reguera Delgado 8f60cb
Alain Reguera Delgado 8f60cb
}