#!/bin/bash

#

# identity_render.sh -- This function performs base-rendition action

# for all files.

#

# Copyright (C) 2009-2011 Alain Reguera Delgado

# 

# 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307

# USA.

# 

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

# $Id$

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

function identity_render {

    local -a FILES

    local FILE=''

    local OUTPUT=''

    local TEMPLATE=''

    local PARENTDIR=''

    local EXTENSION=''

    local TRANSLATION=''

    local EXTERNALFILE=''

    local EXTERNALFILES=''

    local THIS_FILE_DIR=''

    local NEXT_FILE_DIR=''

    local COUNT=0

    # Initialize post-rendition list of actions,  the specification of

    # what actions does centos-art execute immediatly after producing

    # the base file in the same directory structure. 

    local -a POSTACTIONS

    # Initialize last-rendition list of actions, the specification of

    # what actions does centos-art execute once all base files in the

    # same directory structure have been produced, this is just

    # immediatly before passing to produce the next directory

    # structure.

    local -a LASTACTIONS

    # Check theme model directory structure.

    cli_checkFiles "$(cli_getRepoTLDir)/Identity/Themes/Models/${FLAG_THEME_MODEL}" 'd'

    # Verify post-rendition actions passed from command-line and add

    # them, if any, to post-rendition list of actions.

    if [[ $FLAG_GROUPED_BY != '' ]];then

        POSTACTIONS[((++${#POSTACTIONS[*]}))]="groupSimilarFiles:${FLAG_GROUPED_BY}"

    fi

    # Define the extension pattern for template files. This is the

    # file extensions that centos-art will look for in order to build

    # the list of files to process. The list of files to process

    # contains the files that match this extension pattern.

    EXTENSION='\.(svgz|svg|docbook)'

    # Redefine parent directory for current workplace.

    PARENTDIR=$(basename "${ACTIONVAL}")

    # Define base location of template files.

    identity_getDirTemplate

    # Define list of files to process as array variable. This make

    # posible to realize verifications like: is the current base

    # directory equal to the next one in the list of files to process?

    # This is used to know when centos-art.sh is leaving a directory

    # structure and entering into another. This information is

    # required in order for centos-art.sh to know when to apply

    # last-rendition actions.

    for FILE in $(cli_getFilesList "${TEMPLATE}" "${FLAG_FILTER}.*${EXTENSION}");do

        FILES[((++${#FILES[*]}))]=$FILE

    done

    # Set action preamble.

    cli_printActionPreamble "${FILES[*]}" '' ''

    # Start processing the base rendition list of FILES. Fun part

    # approching :-).

    while [[ $COUNT -lt ${#FILES[*]} ]];do

        # Define base file.

        FILE=${FILES[$COUNT]}

        # Define the base directory path for the current file being

        # process.

        THIS_FILE_DIR=$(dirname ${FILES[$COUNT]})

        # Define the base directory path for the next file that will

        # be process.

        if [[ $(($COUNT + 1)) -lt ${#FILES[*]} ]];then

            NEXT_FILE_DIR=$(dirname ${FILES[$(($COUNT + 1))]})

        else

            NEXT_FILE_DIR=''

        fi

        # Print separator line.

        cli_printMessage '-' 'AsSeparatorLine'

        # Define final location of translation file.

        TRANSLATION=$(dirname $FILE \

           | sed -r 's!/trunk/(Identity/)!/trunk/Locales/\1!')/$(cli_getCurrentLocale).po

        # Print final location of translation file.

        if [[ ! -f "$TRANSLATION" ]];then

            cli_printMessage "`gettext "None"`" "AsTranslationLine"

        else

            cli_printMessage "$TRANSLATION" 'AsTranslationLine'

        fi

        # Define final location of template file.

        TEMPLATE=${FILE}

        # Print final location of template file.

        if [[ ! -f "$TEMPLATE" ]];then

            cli_printMessage "`gettext "None"`" "AsDesignLine"

        else

            cli_printMessage "$TEMPLATE" 'AsDesignLine'

        fi

        # Define final location of output directory.

        identity_getDirOutput

        # Get relative path to file. The path string (stored in FILE)

        # has two parts: 1. the variable path and 2. the common path.

        # The variable path is before the common point in the path

        # string. The common path is after the common point in the

        # path string. The common point is the name of the parent

        # directory (stored in PARENTDIR).

        #

        # trunk/Locales/Identity/.../Firstboot/3/splash-small.svg

        # -------------------------^| the     |^------------^

        # variable path             | common  |    common path

        # -------------------------v| point   |    v------------v

        # trunk/Identity/Themes/M.../Firstboot/Img/3/splash-small.png

        #

        # What we do here is remove the varibale path, the common

        # point, and the file extension parts in the string holding

        # the path retrived from design models directory structure.

        # Then we use the common path as relative path to store the

        # the final image file.

        #

        # The file extension is removed from the common path because

        # it is set when we create the final image file. This

        # configuration let us use different extensions for the same

        # file name.

        #

        # When we render using renderImage function, the structure of

        # files under the output directory will be the same used after

        # the common point in the related design model directory

        # structure.

        FILE=$(echo ${FILE} \

            | sed -r "s!.*${PARENTDIR}/!!" \

            | sed -r "s/${EXTENSION}$//")

        # Define absolute path to final file (without extension).

        FILE=${OUTPUT}/$(basename "${FILE}")

        # Define instance name from design model.

        INSTANCE=$(cli_getTemporalFile ${TEMPLATE})

        # Verify translation file existence and create template

        # instance accordingly.

        if [[ -f ${TRANSLATION} ]];then

            # Create translated instance from design model.

            /usr/bin/xml2po -p ${TRANSLATION} ${TEMPLATE} > ${INSTANCE}

            # Remove .xml2po.mo temporal file.

            if [[ -f ${PWD}/.xml2po.mo ]];then

                rm ${PWD}/.xml2po.mo

            fi

        else

            # Create non-translated instance form design model.

            /bin/cp ${TEMPLATE} ${INSTANCE}    

        fi

        # Apply translation markers replacements to template instance.

        cli_replaceTMarkers ${INSTANCE}

        # Verify the extension of template instance and render content

        # accordingly.

        if [[ $INSTANCE =~ '\.(svgz|svg)$' ]];then

            # Perform base-rendition action for svg files.

            identity_renderSvg

            # Perform post-rendition action for svg files.

            identity_renderSvgPostActions

            # Perform last-rendition action for svg files.

            identity_renderSvgLastActions

        elif [[ $INSTANCE =~ '\.docbook$' ]];then

            # Perform base-rendition action for docbook files.

            identity_renderDocbook

            # Perform post-rendition action for docbook files.

            #identity_renderDocbookPostActions

            # Perform base-rendition action for docbook files.

            #identity_renderDocbookLastActions

        else

            cli_printMessage "`gettext "The template file you try to render is not supported yet."`" 'AsErrorLine'

            cli_printMessage "$(caller)" 'AsToKnowMoreLine' 

        fi

        # Remove template instance. 

        if [[ -f $INSTANCE ]];then

            rm $INSTANCE

        fi

        # Perform post-rendition actions for all files.

        identity_renderPostActions

        # Perform last-rendition actions for all files.

        identity_renderLastActions

        # Increment file counter.

        COUNT=$(($COUNT + 1))

    done

}