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<?php
#BEGIN_LICENSE
#-------------------------------------------------------------------------
# Module: CGExtensions (c) 2008-2014 by Robert Campbell
#         (calguy1000@cmsmadesimple.org)
#  An addon module for CMS Made Simple to provide useful functions
#  and commonly used gui capabilities to other modules.
#
#-------------------------------------------------------------------------
# CMSMS - CMS Made Simple is (c) 2005 by Ted Kulp (wishy@cmsmadesimple.org)
# Visit the CMSMS Homepage at: http://www.cmsmadesimple.org
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# 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.
#
# However, as a special exception to the GPL, this software is distributed
# as an addon module to CMS Made Simple.  You may not use this software
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#END_LICENSE

/**
 * A simple class for dealing with metric to imperial conversions
 *
 * @package CGExtensions
 * @category Utilities
 * @deprecated
 * @author  calguy1000 <calguy1000@cmsmadesimple.org>
 * @copyright Copyright 2010 by Robert Campbell
 */

/**
 * A simple class for dealing with metric to imperial conversions
 *
 * @package CGExtensions
 */
final class cge_units
{
    const INCHES_TO_CM = 2.54;
    const CM_TO_INCHES = 0.393700787;
    const LBS_TO_KG    = 0.45359237;
    const KG_TO_LBS    = 2.20462262;

    /**
     * @ignore
     */
    private function __construct() {}

    /**
     * Test if the string specified indicates a metric length value (accepts cm)
     * @param string $str
     * @return bool
     */
    public static function is_length_metric($str)
    {
        $str = strtolower($str);
        if( $str == 'cm' ) return TRUE;
        return FALSE;
    }

    /**
     * Test if the string specified indicates a metric mass value (accepts kg or kgs)
     * @param string $str
     * @return bool
     */
    public static function is_weight_metric($str)
    {
        $str = strtolower($str);
        if( $str == 'kg' || $str == 'kgs' ) return TRUE;
        return FALSE;
    }
} // end of class

?>