1 files changed, 94 insertions, 0 deletions
diff --git a/fusonic/linq/src/Fusonic/Linq/Iterator/OfTypeIterator.php b/fusonic/linq/src/Fusonic/Linq/Iterator/OfTypeIterator.php
new file mode 100644
index 00000000..46a59482
--- /dev/null
+++ b/fusonic/linq/src/Fusonic/Linq/Iterator/OfTypeIterator.php
@@ -0,0 +1,94 @@
+<?php
+/*
+ * This file is part of Fusonic-linq.
+ * https://github.com/fusonic/fusonic-linq
+ *
+ * (c) Burgy Benjamin <benjamin.burgy@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Fusonic\Linq\Iterator;
+
+use FilterIterator;
+use Fusonic\Linq\Helper;
+use Iterator;
+
+/**
+ * Iterator for filtering the Linq query with a specified <b>type</b>.
+ * @package Fusonic\Linq\Iterator
+ */
+final class OfTypeIterator
+	extends
+	\FilterIterator
+{
+	/**
+	 * @var callable $acceptCallback
+	 */
+	private $acceptCallback;
+
+	/**
+	 * Initializes an instance of <b>OfTypeIterator</b>.
+	 *
+	 * @param Iterator $iterator
+	 * @param string   $type
+	 */
+	public function __construct(Iterator $iterator, $type)
+	{
+		parent::__construct($iterator);
+
+		switch (strtolower($type))
+		{
+			case 'int':
+			case 'integer':
+				$this->acceptCallback = function ($current)
+				{
+					return is_int($current);
+				};
+				break;
+			case 'float':
+			case 'double':
+				$this->acceptCallback = function ($current)
+				{
+					return is_float($current);
+				};
+				break;
+			case 'string':
+				$this->acceptCallback = function ($current)
+				{
+					return is_string($current);
+				};
+				break;
+			case 'bool':
+			case 'boolean':
+				$this->acceptCallback = function ($current)
+				{
+					return is_bool($current);
+				};
+				break;
+
+			default:
+				$this->acceptCallback = function ($current) use ($type)
+				{
+					return $current instanceof $type;
+				};
+		}
+	}
+
+	/**
+	 * (PHP 5 &gt;= 5.1.0)<br/>
+	 * Check whether the current element of the iterator is acceptable
+	 * @link http://php.net/manual/en/filteriterator.accept.php
+	 * @return bool true if the current element is acceptable, otherwise false.
+	 */
+	public function accept()
+	{
+		/** @var mixed $current */
+		$current = $this->current();
+		/** @var callable $func */
+		$func = $this->acceptCallback;
+
+		return $func($current);
+	}
+}
+\ No newline at end of file