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<?php |
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/* |
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* This file is part of the `liip/LiipImagineBundle` project. |
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* |
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* (c) https://github.com/liip/LiipImagineBundle/graphs/contributors |
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* |
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* For the full copyright and license information, please view the LICENSE.md |
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* file that was distributed with this source code. |
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*/ |
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namespace Liip\ImagineBundle\DependencyInjection\Compiler; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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/** |
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* Be default, a metadata reader that requires the "exif" PHP extension is used. This compiler pass checks if the |
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* extension is loaded or not, and switches to a metadata reader (that does not rely on "exif") if not. |
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*/ |
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class MetadataReaderCompilerPass extends AbstractCompilerPass |
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{ |
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/** |
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* @var string |
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*/ |
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private static $metadataReaderParameter = 'liip_imagine.meta_data.reader.class'; |
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/** |
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* @var string |
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*/ |
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private static $metadataReaderDefaultClass = 'Imagine\Image\Metadata\DefaultMetadataReader'; |
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/** |
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* @var string |
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*/ |
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private static $metadataReaderExifClass = 'Imagine\Image\Metadata\ExifMetadataReader'; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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if (!$this->isExifExtensionLoaded() && $this->isExifMetadataReaderSet($container)) { |
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$container->setParameter(self::$metadataReaderParameter, self::$metadataReaderDefaultClass); |
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$message = 'Overwrote "%s" parameter value from "%s" to "%s" due to missing "exif" extension ' |
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.'(installing the "exif" extension is highly recommended; you may experience degraded ' |
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.'metadata handling without it)'; |
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$this->log($container, $message, array( |
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self::$metadataReaderParameter, |
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self::$metadataReaderExifClass, |
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self::$metadataReaderDefaultClass, |
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)); |
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} |
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} |
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/** |
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* @param ContainerBuilder $container |
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* |
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* @return bool |
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*/ |
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private function isExifMetadataReaderSet(ContainerBuilder $container) |
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{ |
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return $container->getParameter(self::$metadataReaderParameter) === self::$metadataReaderExifClass; |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isExifExtensionLoaded() |
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{ |
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return extension_loaded('exif'); |
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} |
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} |
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liip /
LiipImagineBundle
