#!/bin/bash

#

# render.sh -- This function initializes rendition variables and

# actions to centos-art.sh script.

#

# Copyright (C) 2009, 2010, 2011 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.

#

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

# $Id$

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

function render {

    local ACTIONNAM=''

    local ACTIONVAL=''

    # Initialize `--releasever' option. The release version option

    # controls the release number used to produce release-specific

    # content.  By default, the release number of The CentOS

    # Distribution you have installed in your workstation is used.

    local FLAG_RELEASEVER=$(cat /etc/redhat-release \

        | gawk '{ print $3 }')

    # Initialize `--basearch' option. The base architecture option

    # controls the architecture type used to produce

    # architecture-specific content.  By default, the hardware

    # platform of your workstation is used.

    local FLAG_BASEARCH=$(uname -i)

    # Initialize `--theme-model' option. The theme model option

    # specifies the the theme model name used to produce theme

    # artistic motifs.

    local FLAG_THEME_MODEL='Default'

    # Initialize `--post-rendition' option. This option defines what

    # command to use as post-rendition. Post-rendition takes palce

    # over base-rendition output.

    local FLAG_POSTRENDITION=''

    # Initialize `--last-rendition' option. This option defines what

    # command to use as last-rendition. Last-rendition takes palce

    # once both base-rendition and post-rendition has been performed

    # in the same directory structure.

    local FLAG_LASTRENDITION=''

    # Initialize `--dont-dirspecific' option. This option can take two

    # values only (e.g., `true' or `false') and controls whether to

    # perform or not directory-specific rendition.  Directory-specific

    # rendition may use any of the three types of renditions (e.g.,

    # base-rendition, post-rendition and last-rendition) to accomplish

    # specific tasks when specific directory structures are detected

    # in the rendition flow. By default, the centos-art.sh script

    # performs directory-specific rendition.

    local FLAG_DONT_DIRSPECIFIC='false'

    # Initialize `--with-brands' option. This option controls whether

    # to brand output images or not. By default output images are not

    # branded.

    local FLAG_WITH_BRANDS='false'

    # Initialize name of rendition backend as an empty value. The name

    # of rendition backend is determined automatically based on

    # template file extension, later, at rendition time. 

    local RENDER_BACKEND=''

    # Initialize absolute path to backend's base directory, the place

    # where backend-specific directories are stored in.

    local RENDER_BACKEND_DIR="${CLI_FUNCDIR}/${CLI_FUNCDIRNAM}"

    # Initialize list of supported file extensions. These file

    # extensions are used by design model files, the files used as

    # base-rendition input. In order for design model files to be

    # correclty rendered, they must end with one of the file

    # extensions listed here.

    local RENDER_EXTENSIONS='svg docbook'

    # Interpret arguments and options passed through command-line.

    render_getOptions

    # Redefine positional parameters using ARGUMENTS. At this point,

    # option arguments have been removed from ARGUMENTS variable and

    # only non-option arguments remain in it. 

    eval set -- "$ARGUMENTS"

    # Define action value. We use non-option arguments to define the

    # action value (ACTIONVAL) variable.

    for ACTIONVAL in "$@";do

        # Check action value. Be sure the action value matches the

        # convenctions defined for source locations inside the working

        # copy.

        ACTIONVAL=$(cli_checkRepoDirSource "$ACTIONVAL")

        # Syncronize changes between repository and working copy. At

        # this point, changes in the repository are merged in the

        # working copy and changes in the working copy committed up to

        # repository.

        cli_syncroRepoChanges

        # Define renderable directories and the way they are produced.

        # To describe the way renderable directories are produced, we

        # take the action value (ACTIONVAL) as reference and describe

        # the production through an action name (ACTIONNAM).

        if [[ $ACTIONVAL =~ "^$(cli_getRepoTLDir)/Identity/Images/Themes" ]];then

            ACTIONNAM="render_doThemeActions"

        elif [[ $ACTIONVAL =~ "^$(cli_getRepoTLDir)/Identity/Images" ]];then

            ACTIONNAM="render_doBaseActions"

        elif [[ $ACTIONVAL =~ "^$(cli_getRepoTLDir)/Manuals" ]];then

            ACTIONNAM="render_doBaseActions"

        else

            cli_printMessage "`gettext "The path provided doesn't support rendition."`" --as-error-line

        fi

        # Execute action name.

        ${ACTIONNAM}

        # Syncronize changes between repository and working copy. At

        # this point, changes in the repository are merged in the

        # working copy and changes in the working copy committed up to

        # repository.

        cli_syncroRepoChanges

    done

}