#!/bin/bash

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

#

#   render_setRenderType.sh -- This file evaluates a configuration

#   file and determines what kind of rendition to do.

#

#   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 render_setRenderType {

    local CONFIGURATION="${1}"

    local -a SECTIONS

    local SECTION=''

    # Define motif-specific environment variables, based on

    # configuration file path. These variables might save

    # configuration file writers from typing motif-specific

    # information when they produce motif-specific content. These

    # variables will be empty if the configuration file isn't inside

    # a motif-specific directory structure.

    local MOTIF=$(tcar_getPathComponent ${CONFIGURATION} --motif)

    local MOTIF_NAME=$(tcar_getPathComponent ${CONFIGURATION} --motif-name)

    local MOTIF_VERSION=$(tcar_getPathComponent ${CONFIGURATION} --motif-version)

    # Use arrays to store section names. This make possible to make

    # use of post-rendition and last-rendition concepts. Otherwise it

    # would be difficult to predict information about sections inside

    # deeper environments.

    for SECTION in $(tcar_getConfigSectionNames "${CONFIGURATION}" \

        | egrep ${TCAR_FLAG_FILTER});do

        SECTIONS[++${#SECTIONS[*]}]="${SECTION}"

    done

    local COUNTER=0

    while [[ ${COUNTER} -lt ${#SECTIONS[*]} ]];do

        # Initialize array variables locally.

        local -a TRANSLATIONS

        local -a SOURCES

        SECTION=${SECTIONS[${COUNTER}]}

        if [[ ${SECTION} =~ "^/" ]];then

            TARGET=${SECTION}

        else

            if [[ ${TCAR_SCRIPT_LANG_LC} =~ '^en' ]];then

                TARGET=$(dirname ${CONFIGURATION})/${SECTION}

            else

                TARGET=$(dirname ${CONFIGURATION})/${TCAR_SCRIPT_LANG_LC}/${SECTION}

            fi

        fi

        RENDER_TYPE=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "render-type")

        if [[ -z ${RENDER_TYPE} ]];then

            tcar_printMessage "${CONFIGURATION} `gettext "hasn't render-type set in."`" --as-error-line

        fi

        RENDER_FROM=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "render-from")

        if [[ -z ${RENDER_TYPE} ]];then

            tcar_printMessage "${CONFIGURATION} `gettext "hasn't render-from set in."`" --as-error-line

        fi

        for SOURCE in ${RENDER_FROM};do

            if [[ ${SOURCE} =~ "^/" ]];then

                SOURCES[((++${#SOURCES[*]}))]=${SOURCE}

            else

                SOURCES[((++${#SOURCES[*]}))]=$(dirname ${CONFIGURATION})/${SOURCE}

            fi

        done

        if [[ -z ${RENDER_TYPE} ]];then

           RENDER_TYPE=$(echo ${SOURCES[0]} | sed -r 's/.+\.([[:alpha:]]+)$/\1/') 

        fi

        LOCALE_FROM=$(tcar_getConfigValue "${CONFIGURATION}" "${SECTION}" "locale-from")

        # When the current locale information is not English, don't

        # process section blocks unless they have any related

        # translation file. There is no need to have untranslated

        # content inside language-specific directories.

        if [[ ! ${TCAR_SCRIPT_LANG_LC} =~ '^en' ]];then

            if [[ -z ${LOCALE_FROM}  ]];then

                # Increment array counter.

                COUNTER=$(( ${COUNTER} + 1 ))

                # Reset array variable to avoid undesired

                # concatenations between sections blocks.

                unset TRANSLATIONS

                unset SOURCES

                # Move to next section block.

                continue

            fi

            for TRANSLATION in ${LOCALE_FROM};do

                if [[ ${TRANSLATION} =~ "^/" ]];then

                    TRANSLATIONS[((++${#TRANSLATIONS[*]}))]=${TRANSLATION}

                else

                    TRANSLATIONS[((++${#TRANSLATIONS[*]}))]=$(dirname ${CONFIGURATION})/${TRANSLATION}

                fi

            done

            tcar_checkFiles -ef ${TRANSLATIONS[*]}

        fi

        # Initialize render's modules.

        case ${RENDER_TYPE} in

            "svgz" | "svg" )

                tcar_setModuleEnvironment -m "svg" -t "sub-module"

                ;;

            * )

                tcar_setModuleEnvironment -m "${RENDER_TYPE}" -t "sub-module"

                ;;

        esac

        # Increment section's counter.

        COUNTER=$(( ${COUNTER} + 1 ))

        # Reset array variable to avoid undesired concatenations

        # between sections blocks.

        unset TRANSLATIONS

        unset SOURCES

    done

    # Reset array variables and their counters to avoid undesired

    # concatenations between configuration files.

    unset COUNTER

    unset SECTIONS

}