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<?php |
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|
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/* |
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* This file is part of Mustache.php. |
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* |
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* (c) 2010-2017 Justin Hileman |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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|
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/** |
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* Mustache class autoloader. |
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*/ |
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class Mustache_Autoloader |
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{ |
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private $baseDir; |
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|
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/** |
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* An array where the key is the baseDir and the key is an instance of this |
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* class. |
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* |
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* @var array |
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*/ |
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private static $instances; |
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|
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/** |
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* Autoloader constructor. |
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* |
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* @param string $baseDir Mustache library base directory (default: dirname(__FILE__).'/..') |
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*/ |
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public function __construct($baseDir = null) |
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{ |
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if ($baseDir === null) { |
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$baseDir = dirname(__FILE__) . '/..'; |
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} |
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|
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// realpath doesn't always work, for example, with stream URIs |
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$realDir = realpath($baseDir); |
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if (is_dir($realDir)) { |
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$this->baseDir = $realDir; |
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} else { |
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$this->baseDir = $baseDir; |
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} |
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} |
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|
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/** |
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* Register a new instance as an SPL autoloader. |
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* |
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* @param string $baseDir Mustache library base directory (default: dirname(__FILE__).'/..') |
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* |
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* @return Mustache_Autoloader Registered Autoloader instance |
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*/ |
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public static function register($baseDir = null) |
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{ |
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$key = $baseDir ? $baseDir : 0; |
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|
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if (!isset(self::$instances[$key])) { |
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self::$instances[$key] = new self($baseDir); |
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} |
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|
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$loader = self::$instances[$key]; |
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spl_autoload_register(array($loader, 'autoload')); |
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|
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return $loader; |
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} |
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|
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/** |
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* Autoload Mustache classes. |
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* |
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* @param string $class |
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*/ |
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public function autoload($class) |
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{ |
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if ($class[0] === '\\') { |
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$class = substr($class, 1); |
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} |
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|
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if (strpos($class, 'Mustache') !== 0) { |
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return; |
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} |
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|
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$file = sprintf('%s/%s.php', $this->baseDir, str_replace('_', '/', $class)); |
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if (is_file($file)) { |
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require $file; |
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} |
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} |
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} |
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|
