#!/bin/bash

#

# svg_doLastCommand.sh -- This function standardizes the way

# last-rendition commands are applied to base-rendition and

# post-rendition outputs.

#

# 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 svg_doLastCommand {

    # Define the file extensions. This value is a regular expression

    # pattern which must match the file extensions that last-rendition

    # actions will be applied to.

    local EXTENSION=$(render_getConfigOption "$ACTION" '2')

    # Define the command string that will be evaluated as

    # last-rendition action. Only commands that perform in-place

    # modifications can be passed here.

    local COMMAND=$(render_getConfigOption "$ACTION" '3-')

    # Define the list of files to process. This value contain all the

    # files in the output directory which extension match the

    # extension pattern previously defined.

    local FILE=''

    local FILES=$(cli_getFilesList $OUTPUT --pattern=".+\.${EXTENSION}")

    for FILE in $FILES;do

        # Identify file before processing it. Only formats recognized

        # by ImageMagick are supported. In case the file isn't

        # supported by ImageMagick, continue with the next file in the

        # list.

        identify -quiet ${FILE} > /dev/null

        if [[ $? -ne 0 ]];then

            continue

        fi

        # Print action message.

        cli_printMessage "${FILE}" --as-updating-line

        # Execute mogrify action on all files inside the same

        # directory structure.

        eval ${COMMAND} ${FILE}

        # Be sure the command was executed correctly. Otherwise stop

        # script execution.

        if [[ $? -ne 0 ]];then

            exit

        fi

    done

}