85 lines
2.4 KiB
PHP
85 lines
2.4 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\Finder\Iterator;
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/**
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* ExcludeDirectoryFilterIterator filters out directories.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class ExcludeDirectoryFilterIterator extends FilterIterator implements \RecursiveIterator
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{
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private $iterator;
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private $isRecursive;
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private $excludedDirs = array();
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private $excludedPattern;
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/**
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* @param \Iterator $iterator The Iterator to filter
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* @param array $directories An array of directories to exclude
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*/
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public function __construct(\Iterator $iterator, array $directories)
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{
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$this->iterator = $iterator;
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$this->isRecursive = $iterator instanceof \RecursiveIterator;
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$patterns = array();
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foreach ($directories as $directory) {
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$directory = rtrim($directory, '/');
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if (!$this->isRecursive || false !== strpos($directory, '/')) {
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$patterns[] = preg_quote($directory, '#');
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} else {
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$this->excludedDirs[$directory] = true;
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}
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}
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if ($patterns) {
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$this->excludedPattern = '#(?:^|/)(?:'.implode('|', $patterns).')(?:/|$)#';
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}
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parent::__construct($iterator);
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}
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/**
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* Filters the iterator values.
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*
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* @return bool True if the value should be kept, false otherwise
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*/
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public function accept()
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{
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if ($this->isRecursive && isset($this->excludedDirs[$this->getFilename()]) && $this->isDir()) {
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return false;
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}
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if ($this->excludedPattern) {
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$path = $this->isDir() ? $this->current()->getRelativePathname() : $this->current()->getRelativePath();
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$path = str_replace('\\', '/', $path);
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return !preg_match($this->excludedPattern, $path);
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}
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return true;
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}
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public function hasChildren()
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{
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return $this->isRecursive && $this->iterator->hasChildren();
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}
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public function getChildren()
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{
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$children = new self($this->iterator->getChildren(), array());
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$children->excludedDirs = $this->excludedDirs;
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$children->excludedPattern = $this->excludedPattern;
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return $children;
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}
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}
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