Version 1

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

diff --git a/vendor/symfony/finder/Iterator/CustomFilterIterator.php b/vendor/symfony/finder/Iterator/CustomFilterIterator.php
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+++ b/vendor/symfony/finder/Iterator/CustomFilterIterator.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;
+
+/**
+ * CustomFilterIterator filters files by applying anonymous functions.
+ *
+ * The anonymous function receives a \SplFileInfo and must return false
+ * to remove files.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class CustomFilterIterator extends FilterIterator
+{
+    private $filters = array();
+
+    /**
+     * Constructor.
+     *
+     * @param \Iterator  $iterator The Iterator to filter
+     * @param callable[] $filters  An array of PHP callbacks
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function __construct(\Iterator $iterator, array $filters)
+    {
+        foreach ($filters as $filter) {
+            if (!is_callable($filter)) {
+                throw new \InvalidArgumentException('Invalid PHP callback.');
+            }
+        }
+        $this->filters = $filters;
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        $fileinfo = $this->current();
+
+        foreach ($this->filters as $filter) {
+            if (false === call_user_func($filter, $fileinfo)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}