#!/bin/bash

#

# svg_doMetadata.sh -- This function updates metadata values inside

# scalable vector graphic (SVG) files using default values from The

# CentOS Project.

#

# 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_doMetadata {

    # Define template file name.

    local TEMPLATE="${TUNEUP_BACKEND_CONFIG}/metadata.sed"

    # Check template file existence.

    cli_checkFiles $TEMPLATE

    # Build title from file path.

    local TITLE=$(basename "$FILE")

    # Build url from file path.

    local URL=$(echo $FILE | sed 's!/home/centos!https://projects.centos.org/svn!')

    # Build keywords from file path. Do not include filename, it is

    # already on title.

    local KEY=''

    local KEYS=$(dirname "$FILE" | cut -d/ -f6- | tr '/' '\n')

    # Build keywords using SVG standard format. Note that this

    # information is inserted inside template file. The template file

    # is a replacement set of sed commands so we need to escape the

    # new line of each line using one backslash (\). As we are doing

    # this inside bash, it is required to escape the backslash with

    # another backslash so one of them passes literally to template

    # file.

    KEYS=$(\

        for KEY in $KEYS;do

            echo "            <rdf:li>$KEY</rdf:li>\\"

        done)

    # Redefine template instance file name.

    local INSTANCE=$(cli_getTemporalFile $TEMPLATE)

    # Create instance.

    cp $TEMPLATE $INSTANCE

    # Check template instance. We cannot continue if the template

    # instance couldn't be created.

    cli_checkFiles $INSTANCE

    # Expand translation markers inside template instance.

    sed -r -i \

        -e "s!=TITLE=!$TITLE!" \

        -e "s!=URL=!$URL!" \

        -e "s!=DATE=!$(date "+%Y-%m-%d")!" $INSTANCE

    sed -i -r "/=KEYWORDS=/c\\${KEYS}" $INSTANCE

    sed -i -r 's/>$/>\\/g' $INSTANCE

    cli_replaceTMarkers $INSTANCE

    # Update scalable vector graphic using template instance.

    sed -i -f $INSTANCE $FILE

    # Remove template instance.

    if [[ -f $INSTANCE ]];then

        rm $INSTANCE

    fi

    # Sanitate scalable vector graphic.

    sed -i -r '/^[[:space:]]*$/d' $FILE

}