#!/bin/bash
#
# docbook_prepareXsl4Using.sh -- This function prepares XSL final
# instances used in transformations based on XSL templates.
#
# 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: docbook_convertToPdf.sh 3335 2011-06-10 03:52:23Z al $
# ----------------------------------------------------------------------

function docbook_prepareXsl4Using {

    local XSL_TEMPLATE_FILE=''
    local XSL_TEMPLATE_FILES=$@
    local COUNT=0

    for XSL_TEMPLATE_FILE in $XSL_TEMPLATE_FILES;do

        XSL_TEMPLATE[((++${#XSL_TEMPLATE[*]}))]="${XSL_TEMPLATE_FILE}"
        XSL_INSTANCE[((++${#XSL_INSTANCE[*]}))]="$(cli_getTemporalFile ${XSL_TEMPLATE_FILE})"

        # Keep track of array's real index value. Remember, it starts
        # at zero but counting starts at 1 instead. So, substracting 1
        # from counting we have the real index value we need to work
        # with the information stored in the array.
        COUNT=$(( ${#XSL_INSTANCE[*]} - 1 ))

        # Create XSL instance from XSL template.
        cp ${XSL_TEMPLATE[$COUNT]} ${XSL_INSTANCE[$COUNT]}

        # Define the XSL final instance and expand translation markers
        # inside it based on template files. Notice that some of the
        # XSL template files need expantion of translation markers
        # while others don't. Default expantion of translation markers
        # is applied when no specific expantion is conditioned here.
        if [[ $XSL_TEMPLATE_FILE =~ 'docbook2fo\.xsl$' ]];then
            XSL_INSTANCE_FINAL=${XSL_INSTANCE[$COUNT]}
        elif [[ $XSL_TEMPLATE_FILE =~ 'docbook2xhtml-(chunks|single)\.xsl$' ]];then
            XSL_INSTANCE_FINAL=${XSL_INSTANCE[${COUNT}]}
            sed -i -r "s!=XSL_XHTML_COMMON=!${XSL_INSTANCE_FINAL}!" ${XSL_INSTANCE_FINAL}
        else
            cli_replaceTMarkers ${XSL_INSTANCE[${COUNT}]}
        fi

    done

    # Verify Xsl final instance before using it. We cannot continue
    # without it.
    cli_checkFiles $XSL_INSTANCE_FINAL 

}