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