#!/bin/bash

#

# render_checkSvgAbsref.sh -- This function retrives absolute files

# and checks their existence. In order for design templates to point

# different artistic motifs, design templates make use of external

# files that point to specific artistic motif background images. If

# such external files doesn't exist, print a message and stop script

# execution.  We cannot continue without background information.

#

# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

# ----------------------------------------------------------------------

# $Id$

# ----------------------------------------------------------------------

function render_checkSvgAbsref {

    local FILE=''

    local ABSPATHS=''

    local ABSPATH=''

    # Define absolute path of file we need to retrive absolute paths

    # from.

    FILE="$1"

    # Verify existence of file we need to retrive absolute paths from.

    cli_checkFiles $FILE 'f'

    # Retrive absolute paths from file.

    ABSPATHS=$(egrep "(sodipodi:absref|xlink:href)=\"${HOME}.+" $FILE \

        | sed -r "s,.+=\"(${HOME}.+\.png)\".*,\1,")

    # Verify absolute paths retrived from file.

    for ABSPATH in $ABSPATHS;do

        cli_checkFiles "$ABSPATH" 'f'

    done

}