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<?php |
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namespace Jackal\Copycat\Reader; |
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/** |
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* Class BaseReader |
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* @package Jackal\Copycat\Reader |
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*/ |
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abstract class BaseReader implements ReaderInterface |
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{ |
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/** |
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* @var int |
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*/ |
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private $cursor = 0; |
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/** |
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* @var array |
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*/ |
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private $items = []; |
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/** |
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* @param array $item |
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*/ |
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protected function addItem(array $item) |
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{ |
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$this->items[] = $item; |
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} |
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/** |
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* @param array $items |
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*/ |
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protected function setItems(array $items) |
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{ |
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$this->items = $items; |
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} |
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/** |
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* @param $index |
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* @return array |
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*/ |
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public function get($index) |
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{ |
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if (!isset($this->items[$index])) { |
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return null; |
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} |
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return $this->items[$index]; |
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} |
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public function all() |
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{ |
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return $this->items; |
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} |
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/** |
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* @return array |
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*/ |
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public function first() |
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{ |
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if (!isset($this->items[0])) { |
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return null; |
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} |
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return $this->items[0]; |
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} |
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/** |
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* Count elements of an object |
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* @link http://php.net/manual/en/countable.count.php |
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* @return int The custom count as an integer. |
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* </p> |
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* <p> |
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* The return value is cast to an integer. |
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* @since 5.1.0 |
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*/ |
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public function count() |
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{ |
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return count($this->items); |
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} |
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/** |
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* Return the current element |
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* @link http://php.net/manual/en/iterator.current.php |
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* @return mixed Can return any type. |
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* @since 5.0.0 |
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*/ |
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public function current() |
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{ |
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return $this->items[$this->cursor]; |
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} |
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/** |
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* Move forward to next element |
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* @link http://php.net/manual/en/iterator.next.php |
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* @return void Any returned value is ignored. |
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* @since 5.0.0 |
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*/ |
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public function next() |
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{ |
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$this->cursor++; |
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} |
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/** |
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* Return the key of the current element |
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* @link http://php.net/manual/en/iterator.key.php |
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* @return mixed scalar on success, or null on failure. |
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* @since 5.0.0 |
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*/ |
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public function key() |
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{ |
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return $this->cursor; |
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} |
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/** |
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* Checks if current position is valid |
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* @link http://php.net/manual/en/iterator.valid.php |
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* @return boolean The return value will be casted to boolean and then evaluated. |
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* Returns true on success or false on failure. |
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* @since 5.0.0 |
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*/ |
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public function valid() |
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{ |
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return array_key_exists($this->cursor, $this->items); |
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} |
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/** |
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* Rewind the Iterator to the first element |
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* @link http://php.net/manual/en/iterator.rewind.php |
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* @return void Any returned value is ignored. |
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* @since 5.0.0 |
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*/ |
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public function rewind() |
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{ |
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$this->cursor = 0; |
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} |
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} |
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lucajackal85 /
Copycat
