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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /*  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This file is a part of Sculpin.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * (c) Dragonfly Development Inc.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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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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                namespace Sculpin\Bundle\MarkdownTwigCompatBundle\EventSubscriber;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sculpin\Bundle\MarkdownBundle\SculpinMarkdownBundle;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sculpin\Bundle\TwigBundle\SculpinTwigBundle;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sculpin\Core\Event\ConvertEvent;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Sculpin\Core\Sculpin;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Symfony\Component\EventDispatcher\EventSubscriberInterface;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                final class ConvertEventSubscriber implements EventSubscriberInterface  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string[]  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $addPlaceholderRe = [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        '/^({%\s+block\s+(\w+).+?%})$/m',  // {% %} style code | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        '/^({%\s+endblock\s+%})$/m',       // {% %} style code | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        '/^({{.+?}})$/m',                  // {{ }} style code | 
            
                            
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                    ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Placeholder text.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $placeholder = "\n<div><!-- sculpin-hidden -->$1<!-- /sculpin-hidden --></div>\n";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Regex used to remove placeholder.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @var string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    private $removePlaceholderRe = "/(\n?<div><!-- sculpin-hidden -->|<!-- \/sculpin-hidden --><\/div>\n|\n?<div><!-- sculpin-hidden -->|<!-- \/sculpin-hidden --><\/div>\n)/m";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * {@inheritdoc} | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function getSubscribedEvents() : array  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return [  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            Sculpin::EVENT_BEFORE_CONVERT => 'beforeConvert',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            Sculpin::EVENT_AFTER_CONVERT => 'afterConvert',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                View Code Duplication | 
                    public function beforeConvert(ConvertEvent $convertEvent)  | 
            
                            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if ($convertEvent->isHandledBy(SculpinMarkdownBundle::CONVERTER_NAME, SculpinTwigBundle::FORMATTER_NAME)) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $content = $convertEvent->source()->content();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            foreach ($this->addPlaceholderRe as $re) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                                $content = preg_replace($re, $this->placeholder, $content);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $content = preg_replace('/{%\s+(\w+)\s+(\w+\++\w+)\s+%}(.*){%\s+end\1\s+%}/Us', '<div data-$1="$2">$3</div>', $content); | 
            
            
                                                                        
                            
            
                                    
            
            
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                            $convertEvent->source()->setContent($content);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                View Code Duplication | 
                    public function afterConvert(ConvertEvent $convertEvent)  | 
            
                            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if ($convertEvent->isHandledBy(SculpinMarkdownBundle::CONVERTER_NAME, SculpinTwigBundle::FORMATTER_NAME)) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $content = $convertEvent->source()->content();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $content = preg_replace($this->removePlaceholderRe, '', $content);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $content = preg_replace('/<div data-(\w+)="(\w+\++\w+)">(.*?)<\/div>/Us', '{% $1 \'$2\' %}$3{% end$1 %}', $content); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $convertEvent->source()->setContent($content);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.
The code might also have been commented out for debugging purposes. In this case it is vital that someone uncomments it again or your project may behave in very unexpected ways in production.
This check looks for comments that seem to be mostly valid code and reports them.