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<?php |
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/** |
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* Class NodeList |
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* |
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* @filesource NodeList.php |
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* @created 09.05.2017 |
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* @package chillerlan\PrototypeDOM |
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* @author Smiley <[email protected]> |
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* @copyright 2017 Smiley |
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* @license MIT |
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*/ |
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namespace chillerlan\PrototypeDOM; |
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use chillerlan\PrototypeDOM\Node\PrototypeNode; |
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use ArrayAccess, Countable, DOMNode, DOMNodeList, Exception, OutOfBoundsException, SeekableIterator; |
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use function array_column, array_key_exists, array_merge, array_reverse, call_user_func_array, count, |
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is_callable, is_int, is_iterable, iterator_to_array; |
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class NodeList implements PrototypeEnumerable, SeekableIterator, ArrayAccess, Countable{ |
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protected array $array = []; |
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protected int $offset = 0; |
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/** |
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* NodeList constructor. |
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*/ |
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public function __construct(iterable $nodes = null){ |
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if($nodes instanceof DOMNodeList){ |
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$this->array = iterator_to_array($nodes); |
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} |
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elseif($nodes instanceof NodeList){ |
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$this->array = $nodes->toArray(); |
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} |
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elseif(is_iterable($nodes)){ |
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foreach($nodes as $node){ |
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if($node instanceof DOMNode || $node instanceof PrototypeNode){ |
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$this->array[] = $node; |
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} |
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} |
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} |
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} |
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/*********** |
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* generic * |
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***********/ |
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/** |
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* |
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*/ |
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public function match(DOMNode $node):bool{ |
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/** @var \chillerlan\PrototypeDOM\Node\Element $element */ |
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foreach($this->array as $element){ |
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if($element->isSameNode($node)){ |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* |
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*/ |
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public function merge(NodeList $nodelist):NodeList{ |
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$this->array = array_merge($this->array, $nodelist->toArray()); |
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return $this; |
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} |
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/** |
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* |
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*/ |
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public function inspect(bool $xml = false):string{ |
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return (new Document($this, $xml))->inspect(null, $xml); |
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} |
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/************* |
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* Countable * |
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*************/ |
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/** |
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* @link https://www.php.net/manual/countable.count.php |
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* @inheritdoc |
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*/ |
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public function count():int{ |
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return count($this->array); |
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} |
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/************ |
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* Iterator * |
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************/ |
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/** |
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* @link https://www.php.net/manual/iterator.current.php |
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* @inheritdoc |
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* @return \DOMNode|\chillerlan\PrototypeDOM\Node\PrototypeHTMLElement|null |
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*/ |
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public function current():?DOMNode{ |
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return $this->array[$this->offset] ?? null; |
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} |
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/** |
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* @link https://www.php.net/manual/iterator.next.php |
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* @inheritdoc |
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*/ |
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public function next():void{ |
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$this->offset++; |
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} |
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/** |
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* @link https://www.php.net/manual/iterator.key.php |
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* @inheritdoc |
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*/ |
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public function key():int{ |
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return $this->offset; |
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} |
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/** |
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* @link https://www.php.net/manual/iterator.valid.php |
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* @inheritdoc |
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*/ |
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public function valid():bool{ |
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return array_key_exists($this->offset, $this->array); |
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} |
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/** |
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* @link https://www.php.net/manual/iterator.rewind.php |
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* @inheritdoc |
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*/ |
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public function rewind():void{ |
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$this->offset = 0; |
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} |
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/******************** |
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* SeekableIterator * |
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********************/ |
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/** |
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* @link https://www.php.net/manual/seekableiterator.seek.php |
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* @inheritdoc |
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*/ |
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public function seek($pos):void{ |
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$this->rewind(); |
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for( ; $this->offset < $pos; ){ |
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if(!\next($this->array)) { |
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throw new OutOfBoundsException('invalid seek position: '.$pos); |
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} |
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$this->offset++; |
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} |
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} |
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/*************** |
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* ArrayAccess * |
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***************/ |
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/** |
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* @link https://www.php.net/manual/arrayaccess.offsetexists.php |
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* @inheritdoc |
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*/ |
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public function offsetExists($offset):bool{ |
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return array_key_exists($offset, $this->array); |
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} |
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/** |
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* @link https://www.php.net/manual/arrayaccess.offsetget.php |
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* @inheritdoc |
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* @return \DOMNode|\chillerlan\PrototypeDOM\Node\PrototypeHTMLElement|null |
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*/ |
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public function offsetGet($offset):?DOMNode{ |
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return $this->array[$offset] ?? null; |
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} |
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/** |
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* @link https://www.php.net/manual/arrayaccess.offsetset.php |
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* @inheritdoc |
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*/ |
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public function offsetSet($offset, $value):void{ |
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if($value instanceof DOMNode){ |
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is_int($offset) |
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? $this->array[$offset] = $value |
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: $this->array[] = $value; |
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} |
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} |
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/** |
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* @link https://www.php.net/manual/arrayaccess.offsetunset.php |
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* @inheritdoc |
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*/ |
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public function offsetUnset($offset):void{ |
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unset($this->array[$offset]); |
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} |
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/************* |
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* Prototype * |
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*************/ |
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/** |
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* @inheritDoc |
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* @return \DOMNode|\chillerlan\PrototypeDOM\Node\PrototypeHTMLElement|null |
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*/ |
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public function first():?DOMNode{ |
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return $this->array[0] ?? null; |
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} |
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/** |
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* @inheritDoc |
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* @return \DOMNode|\chillerlan\PrototypeDOM\Node\PrototypeHTMLElement|null |
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*/ |
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public function last():?DOMNode{ |
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return $this->array[count($this->array) - 1] ?? null; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function pluck(string $property):array{ |
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return array_column($this->array, $property); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function reverse():NodeList{ |
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$this->array = array_reverse($this->array); |
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$this->offset = 0; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function toArray():array{ |
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return $this->array; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function each($callback){ |
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$this->map($callback); |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function map($callback):array { |
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if(!is_callable($callback)){ |
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throw new Exception('invalid callback'); |
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} |
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$return = []; |
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foreach($this->array as $index => $element){ |
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$return[$index] = call_user_func_array($callback, [$element, $index]); |
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} |
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return $return; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clear():NodeList{ |
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$this->array = []; |
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$this->offset = 0; |
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return $this; |
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} |
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/** |
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* @inheritDoc |
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* @throws \Exception |
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*/ |
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public function findAll($callback):array{ |
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if(!is_callable($callback)){ |
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throw new Exception('invalid callback'); |
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} |
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$return = []; |
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foreach($this->array as $index => $element){ |
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if(call_user_func_array($callback, [$element, $index]) === true){ |
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$return[] = $element; |
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} |
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} |
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return $return; |
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} |
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/** |
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* @inheritDoc |
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* @throws \Exception |
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*/ |
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public function reject($callback):array{ |
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if(!is_callable($callback)){ |
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throw new Exception('invalid callback'); |
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} |
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$return = []; |
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foreach($this->array as $index => $element){ |
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if(call_user_func_array($callback, [$element, $index]) !== true){ |
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$return[] = $element; |
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} |
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} |
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return $return; |
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} |
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} |
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