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<?php |
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/* |
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* this file is part of magerun |
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* |
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* @author Tom Klingenberg <https://github.com/ktomk> |
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*/ |
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namespace N98\Magento; |
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use N98\Util\AutoloadRestorer; |
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use RuntimeException; |
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/** |
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* Magento initialiser (Magento 1) |
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* |
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* @package N98\Magento |
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*/ |
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class Initialiser |
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{ |
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/** |
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* Mage filename |
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*/ |
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const PATH_APP_MAGE_PHP = 'app/Mage.php'; |
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/** |
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* Mage classname |
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*/ |
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const CLASS_MAGE = 'Mage'; |
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/** |
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* @var string path to Magento root directory |
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*/ |
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private $magentoPath; |
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/** |
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* Bootstrap Magento application |
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*/ |
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public static function bootstrap($magentoPath) |
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{ |
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$initialiser = new Initialiser($magentoPath); |
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$initialiser->requireMage(); |
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} |
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/** |
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* Initialiser constructor. |
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* |
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* @param string $magentoPath |
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*/ |
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public function __construct($magentoPath) |
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{ |
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$this->magentoPath = $magentoPath; |
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} |
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/** |
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* Require app/Mage.php if class Mage does not yet exists. Preserves auto-loaders |
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* |
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* @see \Mage (final class) |
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*/ |
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public function requireMage() |
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{ |
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if (class_exists(self::CLASS_MAGE, false)) { |
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return; |
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} |
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$this->requireOnce(); |
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if (!class_exists(self::CLASS_MAGE, false)) { |
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throw new RuntimeException(sprintf('Failed to load definition of "%s" class', self::CLASS_MAGE)); |
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} |
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} |
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/** |
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* Require app/Mage.php in it's own scope while preserving all autoloaders. |
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*/ |
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private function requireOnce() |
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{ |
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// Create a new AutoloadRestorer to capture current auto-loaders |
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$restorer = new AutoloadRestorer(); |
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$path = $this->magentoPath . '/' . self::PATH_APP_MAGE_PHP; |
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initialiser_require_once($path); |
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// Restore auto-loaders that might be removed by extensions that overwrite Varien/Autoload |
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$restorer->restore(); |
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} |
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} |
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/** |
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* use require-once inside a function with it's own variable scope and no $this (?) |
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*/ |
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function initialiser_require_once() |
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{ |
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require_once func_get_arg(0); |
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} |
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netz98 /
n98-magerun
