#!/bin/bash

#

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

# actions to centos-art.sh script.

#

# 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., 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 no release number is used.

    local FLAG_RELEASEVER=''

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

    # controls the architecture type used to produce

    # architecture-specific content. By default no architecture type

    # is used.

    local FLAG_BASEARCH=''

    # 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 `--convert' option. The convert option controls

    # whether convert or not content produced by centos-art

    # base-rendition. By default there is no content convertion.

    local FLAG_CONVERT=''

    # Initialize `--rotate' option. The rotate option controls whether

    # rotate or not image content produced by centos-art

    # base-rendition.  By default there is no content rotation.

    local FLAG_ROTATE=''

    # Initialize `--resize' option. The resize option controls whether

    # resize or not content produced by centos-art base-rendition. By

    # default there is no content resizing.

    local FLAG_RESIZE=''

    # Initialize `--group-by' option. The grouped-by option specifies

    # whether grouping or not content produced by centos-art

    # base-rendition. By default there is no content grouping.

    local FLAG_GROUPED_BY=''

    # Interpret arguments and options passed through command-line.

    render_getArguments

    # 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 name. No matter what option be passed to

    # centos-art, there is only one action to perform (i.e., the

    # base-rendition flow).

    ACTIONNAM="${FUNCNAME}_doBaseActions"

    # 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.

        cli_checkRepoDirSource

        # Define the renderable top directory structure. This is, the

        # place where renderable directory structures are stored.

        # Directory structures outside this directory won't be

        # processed.

        if [[ ! $ACTIONVAL =~ "^$(cli_getRepoTLDir)/(Identity/Images|$(cli_getPathComponent '--theme-pattern'))" ]];then

            cli_printMessage "`gettext "The path provided doesn't support rendition."`" 'AsErrorLine'

            cli_printMessage "${FUNCDIRNAM}" 'AsToKnowMoreLine'

        fi

        # 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

        # Execute action name.

        if [[ $ACTIONNAM =~ "^${FUNCNAM}_[A-Za-z]+$" ]];then

            eval $ACTIONNAM

        else

            cli_printMessage "`gettext "A valid action is required."`" 'AsErrorLine'

            cli_printMessage "${FUNCDIRNAM}" 'AsToKnowMoreLine'

        fi

        # Commit changes from working copy to central repository only.

        # At this point, changes in the repository are not merged in

        # the working copy, but chages in the working copy do are

        # committed up to repository.

        cli_commitRepoChanges

    done

}