Elep

<?php

/*
 * Your installation or use of this SugarCRM file is subject to the applicable
 * terms available at
 * http://support.sugarcrm.com/Resources/Master_Subscription_Agreements/.
 * If you do not agree to all of the applicable terms or do not have the
 * authority to bind the entity as an authorized representative, then do not
 * install or use this SugarCRM file.
 *
 * Copyright (C) SugarCRM Inc. All rights reserved.
 */

class SugarMin
{
    /**
     * @var string|mixed
     */
    public $text;
    public $compression;

/**
     * jsParser will take javascript source code and minify it.
     *
     * Note: There is a lot of redundant code since both passes
     * operate similarly but with slight differences. It will probably
     * be a good idea to refactor the code at a later point when it is stable.
     *
     * JSParser will perform 3 passes on the code. Pass 1 takes care of single
     * line and mult-line comments. Pass 2 performs some sanitation on each of the lines
     * and pass 3 works on stripping out unnecessary spaces.
     *
     * @param string $js
     * @param string $currentOptions
     * @return void
     */
    private function __construct($text, $compression)
    {
        $this->text = trim($text) . "\n";
        $this->compression = $compression;
    }

/**
     * Entry point function to minify javascript.
     *
     * @param string $js Javascript source code as a string.
     * @param string $compression Compression option. {light, deep}.
     * @return string $output Output javascript code as a string.
     */
    public static function minify($js, $compression = 'light')
    {
        try {
            $me = new SugarMin($js, $compression);
            $output = $me->jsParser();

return $output;
        } catch (Exception $e) {
            // Exception handling is left up to the implementer.
            throw $e;
        }
    }

protected function jsParser()
    {
        if (!shouldResourcesBeMinified()) {
            return $this->text;
        }

//If the JSMIn extension is loaded, use that as it can be as much as 1000x faster than JShrink
        if (self::isJSMinExtAvailable()) {
            return @jsmin($this->text);
        }

return JShrink\Minifier::minify($this->text);
    }

/**
     * @return bool true if native jsmin extension that works exists on the system.
     */
    protected static function isJSMinExtAvailable()
    {
        // at present latest jsmin extension 2.0.0 and 2.0.1 are incompatible
        return extension_loaded('jsmin') && version_compare(phpversion('jsmin'), '2.0.0', '<');
    }

/**
     * @return bool true if a more native js minifier exists on the system.
     */
    public static function isMinifyFast()
    {
        return self::isJSMinExtAvailable() || !empty($GLOBALS['sugar_config']['uglify']);
    }
}