Version 1

[yaffs-website] / vendor / symfony / finder / Iterator / DepthRangeFilterIterator.php

diff --git a/vendor/symfony/finder/Iterator/DepthRangeFilterIterator.php b/vendor/symfony/finder/Iterator/DepthRangeFilterIterator.php
new file mode 100644 (file)
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+++ b/vendor/symfony/finder/Iterator/DepthRangeFilterIterator.php
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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * DepthRangeFilterIterator limits the directory depth.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DepthRangeFilterIterator extends FilterIterator
+{
+    private $minDepth = 0;
+
+    /**
+     * Constructor.
+     *
+     * @param \RecursiveIteratorIterator $iterator The Iterator to filter
+     * @param int                        $minDepth The min depth
+     * @param int                        $maxDepth The max depth
+     */
+    public function __construct(\RecursiveIteratorIterator $iterator, $minDepth = 0, $maxDepth = PHP_INT_MAX)
+    {
+        $this->minDepth = $minDepth;
+        $iterator->setMaxDepth(PHP_INT_MAX === $maxDepth ? -1 : $maxDepth);
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        return $this->getInnerIterator()->getDepth() >= $this->minDepth;
+    }
+}