#!/bin/bash

######################################################################

#

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

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

#   CentOS Project.

#

#   Written by:

#   * Alain Reguera Delgado <al@centos.org.cu>, 2009-2013

#

# Copyright (C) 2009-2013 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.

#

######################################################################

function svg_setMetadata {

    # Define template file name.

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

    # Check template file existence.

    tcar_checkFiles -ef ${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=$(tcar_getTemporalFile ${TEMPLATE})

    # Create instance.

    cp ${TEMPLATE} ${INSTANCE}

    # Check template instance. We cannot continue if the template

    # instance couldn't be created.

    tcar_checkFiles -e ${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}

    tcar_setTranslationMarkers ${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}

}