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Filename : MapClassLoader.php
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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\ClassLoader;

/**
 * A class loader that uses a mapping file to look up paths.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class MapClassLoader
{
    private $map = array();

    /**
     * Constructor.
     *
     * @param array $map A map where keys are classes and values the absolute file path
     */
    public function __construct(array $map)
    {
        $this->map = $map;
    }

    /**
     * Registers this instance as an autoloader.
     *
     * @param Boolean $prepend Whether to prepend the autoloader or not
     */
    public function register($prepend = false)
    {
        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
    }

    /**
     * Loads the given class or interface.
     *
     * @param string $class The name of the class
     */
    public function loadClass($class)
    {
        if (isset($this->map[$class])) {
            require $this->map[$class];
        }
    }

    /**
     * Finds the path to the file where the class is defined.
     *
     * @param string $class The name of the class
     *
     * @return string|null The path, if found
     */
    public function findFile($class)
    {
        if (isset($this->map[$class])) {
            return $this->map[$class];
        }
    }
}