| /vendor/fusonic/linq/src/Fusonic/Linq/Iterator/OfTypeIterator.php |
|---|
| @@ -0,0 +1,94 @@ |
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| <?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 >= 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); |
| } |
| } |
