#!/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, 2010 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 {

    # Define short options we want to support.

    local ARGSS=""

    # Define long options we want to support.

    local ARGSL="filter:"

    # Parse arguments using getopt(1) command parser.

    cli_doParseArguments

    # 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

            --filter )

               REGEX="$2" 

               shift 2

               ;;

            * )

                break

        esac

    done

    # Re-define regular expression to match scalable vector graphic

    # files only.

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

    # Define 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

    # Check repository changes and ask user to commit them up to

    # central repository.

    cli_commitRepoChanges

}