Chris@2: <?php
Chris@2: /*
Chris@2:  * This file is part of PharIo\Manifest.
Chris@2:  *
Chris@2:  * (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
Chris@2:  *
Chris@2:  * For the full copyright and license information, please view the LICENSE
Chris@2:  * file that was distributed with this source code.
Chris@2:  */
Chris@2: 
Chris@2: namespace PharIo\Manifest;
Chris@2: 
Chris@2: class RequirementCollectionIterator implements \Iterator {
Chris@2:     /**
Chris@2:      * @var Requirement[]
Chris@2:      */
Chris@2:     private $requirements = [];
Chris@2: 
Chris@2:     /**
Chris@2:      * @var int
Chris@2:      */
Chris@2:     private $position;
Chris@2: 
Chris@2:     public function __construct(RequirementCollection $requirements) {
Chris@2:         $this->requirements = $requirements->getRequirements();
Chris@2:     }
Chris@2: 
Chris@2:     public function rewind() {
Chris@2:         $this->position = 0;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return bool
Chris@2:      */
Chris@2:     public function valid() {
Chris@2:         return $this->position < count($this->requirements);
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return int
Chris@2:      */
Chris@2:     public function key() {
Chris@2:         return $this->position;
Chris@2:     }
Chris@2: 
Chris@2:     /**
Chris@2:      * @return Requirement
Chris@2:      */
Chris@2:     public function current() {
Chris@2:         return $this->requirements[$this->position];
Chris@2:     }
Chris@2: 
Chris@2:     public function next() {
Chris@2:         $this->position++;
Chris@2:     }
Chris@2: }