#!/bin/bash
#
# locale_updateMessageXmlDocbook.sh -- This function retrives
# translation messages from Docbook files and creates related portable
# object template for them.
#
# Copyright (C) 2009-2012 The CentOS Project
#
# 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: locale_updateMessageXml.sh 5457 2012-09-11 18:56:18Z al $
# ----------------------------------------------------------------------

function locale_updateMessageXmlDocbook {

    # Print action message.
    cli_printMessage "${MESSAGES}.pot" --as-updating-line

    # Define absolute path to Docbook's main file. This file must have
    # the same name all in lowercase than its parent directory.
    local TEMPLATE=${ACTIONVAL}/$(cli_getRepoName $(basename ${ACTIONVAL}) -f).docbook

    # Verify existence of docbook's main template file. We cannot go
    # on without it.
    cli_checkFiles ${TEMPLATE}

    # Define file name used as template instance. Here is where we
    # expand translation markers and entities before retriving
    # translation messages.
    local INSTANCE=$(cli_getTemporalFile "$(basename ${TEMPLATE})")

    # Create instance from docbook's main file.
    cp ${TEMPLATE} ${INSTANCE}

    # Expand translation markers inside instance.
    cli_expandTMarkers ${INSTANCE}

    # Expand system entities definition.
    cli_exportFunctions "Render/Docbook/docbook_expandSystemEntities"
    docbook_expandSystemEntities ${INSTANCE}

    # Expand license block.
    cli_exportFunctions "Render/Docbook/docbook_expandLicenses"
    docbook_expandLicenses ${INSTANCE}

    # Create link to `Images' directory for validation to pass.
    # Otherwise, a validation error is reported because no path was
    # found to images.
    ln -s ${TCAR_WORKDIR}/trunk/Identity/Images/Webenv $(dirname ${INSTANCE})/Images

    # Move into temporal directory so paths can be found relatively.
    pushd $(dirname ${INSTANCE}) > /dev/null

    # Create portable object template from instance.
    xmllint --valid --noent ${INSTANCE} | xml2po -a - \
        | msgcat --output=${MESSAGES}.pot --width=70 --no-location -

    # Move out to initail location.
    popd > /dev/null

    # Remove instance.
    rm ${INSTANCE}

}