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 1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (http://nette.org)
 5:  *
 6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 7:  *
 8:  * For the full copyright and license information, please view
 9:  * the file license.txt that was distributed with this source code.
10:  */
11: 
12: namespace Nette\Iterators;
13: 
14: use Nette;
15: 
16: 
17: /**
18:  * Instance iterator filter.
19:  *
20:  * @author     David Grudl
21:  */
22: class InstanceFilter extends \FilterIterator implements \Countable
23: {
24:     /** @var string */
25:     private $type;
26: 
27: 
28:     /**
29:      * Constructs a filter around another iterator.
30:      * @param  \Iterator
31:      * @param  string  class/interface name
32:      */
33:     public function __construct(\Iterator $iterator, $type)
34:     {
35:         $this->type = $type;
36:         parent::__construct($iterator);
37:     }
38: 
39: 
40:     /**
41:      * Expose the current element of the inner iterator?
42:      * @return bool
43:      */
44:     public function accept()
45:     {
46:         return $this->current() instanceof $this->type;
47:     }
48: 
49: 
50:     /**
51:      * Returns the count of elements.
52:      * @return int
53:      */
54:     public function count()
55:     {
56:         return iterator_count($this);
57:     }
58: 
59: }
60: 
Nette Framework 2.0.12 API API documentation generated by ApiGen 2.8.0