#!/bin/bash

#

# docbook_prepareStyles.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.

#

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

# $Id$

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

function docbook_prepareStyles {

    local STYLE_TEMPLATE_FILE=''

    local STYLE_TEMPLATE_FILES=$@

    local STYLE_INSTANCE_COMMON=''

    local COUNT=0

    for STYLE_TEMPLATE_FILE in $STYLE_TEMPLATE_FILES;do

        STYLE_TEMPLATE[((++${#STYLE_TEMPLATE[*]}))]="${STYLE_TEMPLATE_FILE}"

        STYLE_INSTANCE[((++${#STYLE_INSTANCE[*]}))]="$(cli_getTemporalFile ${STYLE_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=$(( ${#STYLE_INSTANCE[*]} - 1 ))

        # Create XSL instance from XSL template.

        cp ${STYLE_TEMPLATE[$COUNT]} ${STYLE_INSTANCE[$COUNT]}

        # Define both final an common XSL instances based on XSL

        # template.

        if [[ $STYLE_TEMPLATE_FILE =~ 'docbook2fo\.xsl$' ]];then

            STYLE_INSTANCE_FINAL=${STYLE_INSTANCE[$COUNT]}

        elif [[ $STYLE_TEMPLATE_FILE =~ 'docbook2pdf\.dsl$' ]];then

            STYLE_INSTANCE_FINAL=${STYLE_INSTANCE[${COUNT}]}

        elif [[ $STYLE_TEMPLATE_FILE =~ 'docbook2xhtml-(chunks|single)\.xsl$' ]];then

            STYLE_INSTANCE_FINAL=${STYLE_INSTANCE[${COUNT}]}

        elif [[ $STYLE_TEMPLATE_FILE =~ 'docbook2xhtml-common\.xsl$' ]];then

            STYLE_INSTANCE_COMMON=${STYLE_INSTANCE[${COUNT}]}

        fi

    done

    # Verify XSL final instance. This is the file used by `xsltproc'

    # to produce the specified output. We cannot continue without it.

    cli_checkFiles $STYLE_INSTANCE_FINAL 

    # Expand common translation markers in XSL common instances. This

    # expantion is optional.

    if [[ -f $STYLE_INSTANCE_COMMON ]];then

        cli_replaceTMarkers $STYLE_INSTANCE_COMMON

    fi

    # Expand specific translation markers in XSL final instance.

    sed -r -i "s!=STYLE_XHTML_COMMON=!${STYLE_INSTANCE_COMMON}!" ${STYLE_INSTANCE_FINAL}

}