1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\ClassLoader;

    13 

    14 /**

    15  * A class loader that uses a mapping file to look up paths.

    16  *

    17  * @author Fabien Potencier <fabien@symfony.com>

    18  */

    19 class MapClassLoader

    20 {

    21     private $map = array();

    22 

    23     /**

    24      * Constructor.

    25      *

    26      * @param array $map A map where keys are classes and values the absolute file path

    27      */

    28     public function __construct(array $map)

    29     {

    30         $this->map = $map;

    31     }

    32 

    33     /**

    34      * Registers this instance as an autoloader.

    35      *

    36      * @param Boolean $prepend Whether to prepend the autoloader or not

    37      */

    38     public function register($prepend = false)

    39     {

    40         spl_autoload_register(array($this, 'loadClass'), true, $prepend);

    41     }

    42 

    43     /**

    44      * Loads the given class or interface.

    45      *

    46      * @param string $class The name of the class

    47      */

    48     public function loadClass($class)

    49     {

    50         if ('\\' === $class[0]) {

    51             $class = substr($class, 1);

    52         }

    53 

    54         if (isset($this->map[$class])) {

    55             require $this->map[$class];

    56         }

    57     }

    58 

    59     /**

    60      * Finds the path to the file where the class is defined.

    61      *

    62      * @param string $class The name of the class

    63      *

    64      * @return string|null The path, if found

    65      */

    66     public function findFile($class)

    67     {

    68         if ('\\' === $class[0]) {

    69             $class = substr($class, 1);

    70         }

    71 

    72         if (isset($this->map[$class])) {

    73             return $this->map[$class];

    74         }

    75     }

    76 }