#!/bin/bash

#

# svg_vacuumDefs.sh -- This function removes all unused items from the

# <lt>defs<gt> section of the SVG file massively.

#

# Copyright (C) 2009-2011 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 svg_vacuumDefs {

    local FILE=''

    local FILES=''

    # Redefine filter flag to specify the extension of scalable vector

    # graphics files we want to update metadata in.  Use action value

    # as reference to find out different shell files.

    FLAG_FILTER=".*${FLAG_FILTER}.*\.(svgz|svg)"

    # Build list of files to process.

    cli_getFilesList

    # Process list of files.

    for FILE in $FILES;do

        # Output action message.

        cli_printMessage "$FILE" 'AsUpdatingLine'

        # Vacuum unused svg definition using inkscape.

        inkscape --vacuum-defs $FILE &> /dev/null

    done

}