#!/bin/bash
#
# render_docbook_convertToXhtml.sh -- This function uses DocBook XML
# as input and applies XSL stylesheets to produce a big XHTML files as
# output.  The procedure was taken from the documentation of
# `docbook-style-xsl-1.69.1-5.1' package, which says: ---To publish
# HTML from your XML documents, you just need an XSL engine.---.
#
# 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 docbook_convertToXhtml {

    local -a XSL_TEMPLATE
    local -a XSL_INSTANCE
    local XSL_INSTANCE_FINAL=''

    # Print action message.
    if [[ -f ${FILE}.xhtml ]];then
        cli_printMessage "${FILE}.xhtml" --as-updating-line
    else
        cli_printMessage "${FILE}.xhtml" --as-creating-line
    fi

    # Define absolute path to DocBook source file. This is the
    # repository documentation manual file where DOCTYPE and ENTITY
    # definition lines are set.
    local SRC=${INSTANCE}

    # Define absolute path to PDF target file. This is the final
    # location the PDF file produced as result of DocBook to PDF
    # transformation will be stored in.
    local DST="${FILE}.xhtml"

    # Prepare XSL final instances used in transformations.
    ${RENDER_BACKEND}_prepareXsl4Using $(cli_getFilesList \
        ${RENDER_DOCBOOK_XSLDIR} --pattern='.*docbook2xhtml-(single|common)\.xsl')

    # Transform DocBook XML to XHTML supressing all stderr output.
    xsltproc --output ${DST} ${XSL_INSTANCE_FINAL} ${SRC} &> /dev/null

    # Remove XSL instance files.
    rm ${XSL_INSTANCE[*]}

}