Blame Scripts/Bash/Functions/Render/Conf/conf.sh

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#!/bin/bash
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#
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# conf.sh -- This function standardizes the way images are produced
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# from configuration files.
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#
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# Copyright (C) 2009-2013 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 conf {
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    # Initialize local variables.
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    local MODEL=''
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    local -a MODELS
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    local FORMAT=''
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    local FORMATS=''
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    local HEIGHT=''
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    local HEIGHTS=''
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    local FGCOLOR=''
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    local FGCOLORS=''
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    local BGCOLOR=''
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    local BGCOLORS=''
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    local COMMAND=''
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    # Define list with all section names. These are the final file
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    # names we want to produce images for.
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    local FILENAME=''
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    local FILENAMES=$(cli_getConfigSectionNames $TEMPLATE)
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    for FILENAME in $FILENAMES;do
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        # Retrieve models you want to produce the image from.  Notice
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        # that relative path passed in this option must point to one
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        # existent file inside the working copy.
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        for MODEL in $(cli_getConfigValue "$TEMPLATE" "$FILENAME" "models");do
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            MODELS[((++${#MODELS[*]}))]=${TCAR_WORKDIR}/${MODEL}
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        done
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        # Retrieve formats you want to produce the image for. This
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        # variable contains one or more image format supported by
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        # ImageMagick.  For example, `xpm', `jpg', 'tiff', etc.
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        FORMATS=$(cli_getConfigValue "$TEMPLATE" "$FILENAME" "formats")
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        # Retrieve heights you want to produce the image for. This
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        # variable contains one or more numerical values. For example,
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        # `16', `24', `32', etc.
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        HEIGHTS=$(cli_getConfigValue "$TEMPLATE" "$FILENAME" "heights")
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        # Retrieve foreground colors you want to produce the image
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        # for. This variable contains one or more color number in
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        # hexadecimal format. For example, `000000', `ffffff', etc.
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        FGCOLORS=$(cli_getConfigValue "$TEMPLATE" "$FILENAME" "fgcolors")
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        # Retrieve background colors you want to produce the image
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        # for. This variable contains one or more color number in
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        # hexadecimal format with opacity information included.
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        # Opacity is specified between 0.0 and 1.0 where 0.0 is full
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        # transparency and 1.0 full opacity. For example, the
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        # following values are accepted: `000000-0', `ffffff-1', etc.
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        BGCOLORS=$(cli_getConfigValue "$TEMPLATE" "$FILENAME" "bgcolors") 
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        # Retrieve command-line you want execute to produce the image.
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        # For example, `/usr/bin/convert +append'
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        COMMAND=$(cli_getConfigValue "$TEMPLATE" "$FILENAME" "command") 
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        for FGCOLOR in $FGCOLORS;do
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            # Verify value passed as foreground color.
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            cli_checkFiles ${FGCOLOR} --match="^[a-fA-F0-9]{3,6}$"
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            for BGCOLOR in $BGCOLORS;do
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                # Verify value passed as background color.
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                cli_checkFiles ${BGCOLOR} --match="^[a-fA-F0-9]{6}-(0|1)$"
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                for HEIGHT in $HEIGHTS;do
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                    # Verify value passed as height.
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                    cli_checkFiles ${HEIGHT} --match="^[[:digit:]]+$"
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                    # Do base rendition actions.
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                    conf_doBaseActions
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                done
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            done
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        done
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        # Reset models list to prevent it from growing for each file
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        # name (configuration section) iteration and create this way
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        # unexpected images as final result.
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        unset MODELS
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    done
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}