Blame Scripts/CentOS-Art/Functions/Render/render_doThemeActions.sh

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#!/bin/bash
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#
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# render_doThemeActions.sh -- This function performs theme-specific
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# rendition.
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#
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# Copyright (C) 2009, 2010, 2011 The CentOS Project
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or (at
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# your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# ----------------------------------------------------------------------
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# $Id$
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# ----------------------------------------------------------------------
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function render_doThemeActions {
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    local -a DIRS
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    local COUNT=0
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    local NEXT_DIR=''
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    local MOTIF_NAME=''
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    local MOTIF_DIR=''
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    # Define base directory of artistic motifs. This is the location
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    # where all artistic motifs are stored in.
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    local MOTIF_BASEDIR="$(cli_getRepoTLDir $ACTIONVAL)/Identity/Images/Themes"
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    # Define base directory of design models. This is the location
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    # where all design models are stored in.
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    local MODEL_BASEDIR="$(cli_getRepoTLDir $ACTIONVAL)/Identity/Models/Themes"
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    # Define directory structure of design models. Design models
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    # directory structures are used as reference to create artistic
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    # motifs directory structure. Use the `--pattern' option to be
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    # sure any modification to FLAG_FILTER won't affect the output
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    # result. We need to make matching everything here, no matter what
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    # the FLAG_FILTER value be.
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    local MODEL_DIR=''
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    local MODEL_DIRS="$(cli_getFilesList ${MODEL_BASEDIR}/${FLAG_THEME_MODEL} \
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        --pattern=".+" --type="d" | egrep -v '\.svn' | sed -r '/^[[:space:]]*$/d' | sed -r \
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        "s!^.*/${FLAG_THEME_MODEL}/!!" | sed -r '/^[[:space:]]*$/d')"
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    # Define design model regular expression patterns from design
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    # models directory structure.
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    local MODEL_PATTERN=$(echo "$MODEL_DIRS" | tr "\n" '|' \
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        | sed -e 's!^|!!' -e 's!|$!!')
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    # Define list of renderable directory structures inside the
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    # artistic motif. As reference, to build this list, use design
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    # model directory structure. Later, filter the result using the
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    # action value as reference to control what renderable directory
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    # structure to produce. The more specific you be in the path
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    # specification the more specific theme rendition will be.
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    local MOTIF_RENDERABLE_DIR=''
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    local MOTIF_RENDERABLE_DIRS=$(cli_getFilesList ${MOTIF_BASEDIR} \
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        --pattern=".+/($MODEL_PATTERN)" --type="d" | grep "$ACTIONVAL")
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    # Rebuild list of renderable directory structures using an array
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    # variable. This let us to predict what directory is one step
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    # forward or backward from the current directory structure.
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    for MOTIF_RENDERABLE_DIR in $MOTIF_RENDERABLE_DIRS;do
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        DIRS[((++${#DIRS[*]}))]=${MOTIF_RENDERABLE_DIR}
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    done
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    # Define total number of directories to process. This is required
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    # in order to correct the counting value and so, make it to match
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    # the zero based nature of bash array variables.
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    local DIRS_TOTAL=$((${#DIRS[*]} - 1))
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    while [[ $COUNT -le ${DIRS_TOTAL} ]];do
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        # Redefine action value to refer the theme-specific renderable
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        # directory.
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        ACTIONVAL=${DIRS[$COUNT]}
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        # Refine artistic motif name using the current action value.
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        MOTIF_NAME=$(cli_getPathComponent $ACTIONVAL --motif)
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        # Verify artistic motif name. The name of the artistic motif
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        # must be present in order for theme rendition to happen.
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        # Theme rendition takes place inside artistic motifs and the
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        # artistic motif name is an indispensable part of it. Take
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        # care of not using design models directory structure as name
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        # for artistic motifs. They, sometimes, match the pattern used
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        # to verify artistic motifs names but must not be confused.
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        if [[ $MOTIF_NAME == '' ]] || [[ $MOTIF_NAME =~ "^$MODEL_PATTERN" ]];then
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            COUNT=$(($COUNT + 1))
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            continue
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        fi
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        # Refine artistic motif directory. This is the top directory
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        # where all visual manifestations of an artistic motif are
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        # stored in (e.g., Backgrounds, Brushes, Concept, Distro,
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        # etc.).
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        MOTIF_DIR="${MOTIF_BASEDIR}/${MOTIF_NAME}"
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        # Define what is the next directory in the list, so we could
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        # verify whether to render or not the current theme-specific
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        # renderable directory.
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        if [[ $COUNT -lt ${DIRS_TOTAL} ]];then
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            NEXT_DIR=$(dirname ${DIRS[(($COUNT + 1))]})
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        else
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            NEXT_DIR=''
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        fi
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        # Verify whether to render or not the current theme's
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        # renderable directory. This verification is needed in order
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        # to avoid unncessary rendition loops. For example, don't
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        # render `path/to/dir/A' when `path/to/dir/A/B' does exist,
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        # that configuration would produce `/path/to/dir/A/B twice.
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        if [[ $ACTIONVAL =~ '[[:digit:]]$' ]] || [[ $ACTIONVAL == $NEXT_DIR ]];then
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            COUNT=$(($COUNT + 1))
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            continue
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        fi
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        # Execute direct rendition on theme specific renderable
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        # directory as specified by action value.
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        render_doBaseActions
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        # Increment counter to match the correct count value.
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        COUNT=$(($COUNT + 1))
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    done
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}