Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\VarDumper\Caster;
Chris@0: 
Chris@0: /**
Chris@0:  * Represents a file or a URL.
Chris@0:  *
Chris@0:  * @author Nicolas Grekas <p@tchwork.com>
Chris@0:  */
Chris@0: class LinkStub extends ConstStub
Chris@0: {
Chris@12:     public $inVendor = false;
Chris@12: 
Chris@0:     private static $vendorRoots;
Chris@0:     private static $composerRoots;
Chris@0: 
Chris@0:     public function __construct($label, $line = 0, $href = null)
Chris@0:     {
Chris@0:         $this->value = $label;
Chris@0: 
Chris@0:         if (null === $href) {
Chris@0:             $href = $label;
Chris@0:         }
Chris@17:         if (!\is_string($href)) {
Chris@0:             return;
Chris@0:         }
Chris@0:         if (0 === strpos($href, 'file://')) {
Chris@0:             if ($href === $label) {
Chris@0:                 $label = substr($label, 7);
Chris@0:             }
Chris@0:             $href = substr($href, 7);
Chris@0:         } elseif (false !== strpos($href, '://')) {
Chris@0:             $this->attr['href'] = $href;
Chris@0: 
Chris@0:             return;
Chris@0:         }
Chris@0:         if (!file_exists($href)) {
Chris@0:             return;
Chris@0:         }
Chris@0:         if ($line) {
Chris@0:             $this->attr['line'] = $line;
Chris@0:         }
Chris@0:         if ($label !== $this->attr['file'] = realpath($href) ?: $href) {
Chris@0:             return;
Chris@0:         }
Chris@12:         if ($composerRoot = $this->getComposerRoot($href, $this->inVendor)) {
Chris@17:             $this->attr['ellipsis'] = \strlen($href) - \strlen($composerRoot) + 1;
Chris@0:             $this->attr['ellipsis-type'] = 'path';
Chris@17:             $this->attr['ellipsis-tail'] = 1 + ($this->inVendor ? 2 + \strlen(implode('', \array_slice(explode(\DIRECTORY_SEPARATOR, substr($href, 1 - $this->attr['ellipsis'])), 0, 2))) : 0);
Chris@17:         } elseif (3 < \count($ellipsis = explode(\DIRECTORY_SEPARATOR, $href))) {
Chris@17:             $this->attr['ellipsis'] = 2 + \strlen(implode('', \array_slice($ellipsis, -2)));
Chris@0:             $this->attr['ellipsis-type'] = 'path';
Chris@0:             $this->attr['ellipsis-tail'] = 1;
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     private function getComposerRoot($file, &$inVendor)
Chris@0:     {
Chris@0:         if (null === self::$vendorRoots) {
Chris@17:             self::$vendorRoots = [];
Chris@0: 
Chris@0:             foreach (get_declared_classes() as $class) {
Chris@0:                 if ('C' === $class[0] && 0 === strpos($class, 'ComposerAutoloaderInit')) {
Chris@0:                     $r = new \ReflectionClass($class);
Chris@17:                     $v = \dirname(\dirname($r->getFileName()));
Chris@0:                     if (file_exists($v.'/composer/installed.json')) {
Chris@17:                         self::$vendorRoots[] = $v.\DIRECTORY_SEPARATOR;
Chris@0:                     }
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0:         $inVendor = false;
Chris@0: 
Chris@17:         if (isset(self::$composerRoots[$dir = \dirname($file)])) {
Chris@0:             return self::$composerRoots[$dir];
Chris@0:         }
Chris@0: 
Chris@0:         foreach (self::$vendorRoots as $root) {
Chris@0:             if ($inVendor = 0 === strpos($file, $root)) {
Chris@0:                 return $root;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $parent = $dir;
Chris@0:         while (!@file_exists($parent.'/composer.json')) {
Chris@0:             if (!@file_exists($parent)) {
Chris@0:                 // open_basedir restriction in effect
Chris@0:                 break;
Chris@0:             }
Chris@17:             if ($parent === \dirname($parent)) {
Chris@0:                 return self::$composerRoots[$dir] = false;
Chris@0:             }
Chris@0: 
Chris@17:             $parent = \dirname($parent);
Chris@0:         }
Chris@0: 
Chris@17:         return self::$composerRoots[$dir] = $parent.\DIRECTORY_SEPARATOR;
Chris@0:     }
Chris@0: }