Blame Scripts/Functions/Render/render_getConfigOption.sh

eb0e14
#!/bin/bash
eb0e14
#
ab1d67
# render_getConfigOption.sh -- This function standardizes the way
661b04
# action values are retrived from pre-rendition configuration files.
661b04
# Use this function whenever you need to retrive action values from
15b1d2
# pre-rendition configuration script.
eb0e14
#
ab1d67
# Usage: VAR=$(render_getConfigOption "ACTION" "FIELD")
eb0e14
#
69eed6
# VAR is the name of the variable where we store the option named
ab1d67
# returned by render_getConfigOption. 
eb0e14
#
15b1d2
# ACTION is the string definition set in the pre-rendition
69eed6
# configuration script that holds the action name and its options
7cd8e9
# fields.
eb0e14
#
69eed6
# FIELD is the field number in the action string we want to retrive
69eed6
# option from. By default options start from third field on. The first
661b04
# field is reserved for the action type (i.e., POST or LAST), and the
dc167f
# second field is reserved for the action itself (e.g., convertPngTo,
661b04
# renderSyslinux, renderKsplash, etc.).
eb0e14
#
9f5f2e
# Copyright (C) 2009-2011 Alain Reguera Delgado
fa95b1
#
fa95b1
# This program is free software; you can redistribute it and/or modify
fa95b1
# it under the terms of the GNU General Public License as published by
dcd347
# the Free Software Foundation; either version 2 of the License, or (at
dcd347
# your option) any later version.
fa95b1
#
74a058
# This program is distributed in the hope that it will be useful, but
74a058
# WITHOUT ANY WARRANTY; without even the implied warranty of
eb0e14
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
eb0e14
# General Public License for more details.
eb0e14
#
eb0e14
# You should have received a copy of the GNU General Public License
eb0e14
# along with this program; if not, write to the Free Software
dcd347
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
eb0e14
# ----------------------------------------------------------------------
eb0e14
# $Id$
eb0e14
# ----------------------------------------------------------------------
eb0e14
ab1d67
function render_getConfigOption {
eb0e14
eb0e14
    local ACTION="$1"
eb0e14
    local FIELD="$2"
eb0e14
    local VALUE=''
eb0e14
eb0e14
    # Check action value. The action's value must be present in order
eb0e14
    # for this function to work. It provides the string needed to
eb0e14
    # retrive options from.
eb0e14
    if [[ "$ACTION" == '' ]];then
eb0e14
        cli_printMessage "`gettext "There is no action to work with."`"
eee226
        cli_printMessage "${FUNCDIRNAM}" 'AsToKnowMoreLine'
eb0e14
    fi
eb0e14
eb0e14
    # Check field value. The field's value must match the cut's
eb0e14
    # command specification of its -f option.
eb0e14
    if [[ ! "$FIELD" =~ '^([0-9]+|[0-9]+-|-[0-9]+|[0-9]+-[0-9]+)$' ]];then
eb0e14
        cli_printMessage "`gettext "The field specified is not valid."`"
eee226
        cli_printMessage "${FUNCDIRNAM}" 'AsToKnowMoreLine'
eb0e14
    fi
eb0e14
15b1d2
    # Get option from pre-rendition configuration action definition.
eb0e14
    VALUE=$(echo -n "$ACTION" | cut -d: -f${FIELD})
eb0e14
15b1d2
    # Sanitate action value passed from pre-rendition configuration
eb0e14
    # action definition.
eb0e14
    VALUE=$(echo -n "${VALUE}" \
eb0e14
        | sed -r 's!^ *!!g' \
eb0e14
        | sed -r 's!( |,|;) *! !g' \
eb0e14
        | sed -r 's! *$!!g')
eb0e14
1b89c2
    # Output action value without trailing newline.
eb0e14
    echo -n "$VALUE"
eb0e14
eb0e14
}