#!/bin/bash

#

# render_checkAbsolutePaths.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

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

# $Id$

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

function render_checkAbsolutePaths {

    local FILE=''

    local ABSPATHS=''

    # 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 '="/[a-zA-Z0-9_./-]+" ' $FILE \

        | sed -r "s/ /\n/g" | egrep '(sodipodi:absref|xlink:href)=' \

        | sed -r "s/.+=\"(\/.+)\"/\1/" | sort | uniq)

    # Verify absolute paths retrived from file.

    for FILE in $ABSPATHS;do

        cli_checkFiles $FILE

    done

}