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Filename : DriverList.php
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<?php

/*
 * This file is part of the Stash package.
 *
 * (c) Robert Hafner <tedivm@tedivm.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PleskAdvisor\Stash;

/**
 * DriverList contains various functions used to organize Driver classes that are available in the system.
 *
 * @package Stash
 * @author  Robert Hafner <tedivm@tedivm.com>
 */
class DriverList
{
    /**
     * An array of possible cache storage data methods, with the driver class as the array value.
     *
     * @var array
     */
    protected static $drivers = array('Apc' => 'PleskAdvisor\\Stash\\Driver\\Apc', 'BlackHole' => 'PleskAdvisor\\Stash\\Driver\\BlackHole', 'Composite' => 'PleskAdvisor\\Stash\\Driver\\Composite', 'Ephemeral' => 'PleskAdvisor\\Stash\\Driver\\Ephemeral', 'FileSystem' => 'PleskAdvisor\\Stash\\Driver\\FileSystem', 'Memcache' => 'PleskAdvisor\\Stash\\Driver\\Memcache', 'Redis' => 'PleskAdvisor\\Stash\\Driver\\Redis', 'SQLite' => 'PleskAdvisor\\Stash\\Driver\\Sqlite');
    /**
     * Returns a list of cache drivers that are also supported by this system.
     *
     * @return array Driver Name => Class Name
     */
    public static function getAvailableDrivers()
    {
        $availableDrivers = array();
        $allDrivers = self::getAllDrivers();
        foreach ($allDrivers as $name => $class) {
            if ($name == 'Composite') {
                $availableDrivers[$name] = $class;
            } else {
                if ($class::isAvailable()) {
                    $availableDrivers[$name] = $class;
                }
            }
        }
        return $availableDrivers;
    }
    /**
     * Returns a list of all registered cache drivers, regardless of system support.
     *
     * @return array Driver Name => Class Name
     */
    public static function getAllDrivers()
    {
        $driverList = array();
        foreach (self::$drivers as $name => $class) {
            if (!\class_exists($class) || !\in_array('PleskAdvisor\\Stash\\Interfaces\\DriverInterface', \class_implements($class))) {
                continue;
            }
            $driverList[$name] = $class;
        }
        return $driverList;
    }
    /**
     * Registers a new driver.
     *
     * @param string $name
     * @param string $class
     */
    public static function registerDriver($name, $class)
    {
        self::$drivers[$name] = $class;
    }
    /**
     * Returns the driver class for a specific driver name.
     *
     * @param  string $name
     * @return bool
     */
    public static function getDriverClass($name)
    {
        if (!isset(self::$drivers[$name])) {
            return \false;
        }
        return self::$drivers[$name];
    }
}