mirror of https://tt-rss.org/git/tt-rss.git
83 lines
1.8 KiB
PHP
83 lines
1.8 KiB
PHP
<?php
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namespace andreskrey\Readability\Nodes\DOM;
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/**
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* Class DOMNodeList.
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*
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* This is a fake DOMNodeList class that allows adding items to the list. The original class is static and the nodes
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* are defined automagically when instantiating it. This fake version behaves exactly the same way but adds the function
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* add() that allows to insert new DOMNodes into the DOMNodeList.
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*
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* It cannot extend the original DOMNodeList class because the functionality behind the property ->length is hidden
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* from the user and cannot be extended, changed, or tweaked.
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*/
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class DOMNodeList implements \Countable, \IteratorAggregate
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{
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/**
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* @var array
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*/
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protected $items = [];
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/**
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* @var int
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*/
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protected $length = 0;
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/**
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* To allow access to length in the same way that DOMNodeList allows.
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*
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* {@inheritdoc}
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*/
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public function __get($name)
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{
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switch ($name) {
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case 'length':
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return $this->length;
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default:
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trigger_error(sprintf('Undefined property: %s::%s', static::class, $name));
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}
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}
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/**
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* @param DOMNode|DOMElement|DOMComment $node
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*
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* @return DOMNodeList
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*/
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public function add($node)
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{
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$this->items[] = $node;
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$this->length++;
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return $this;
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}
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/**
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* @param int $offset
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*
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* @return DOMNode|DOMElement|DOMComment
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*/
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public function item(int $offset)
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{
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return $this->items[$offset];
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}
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/**
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* @return int|void
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*/
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public function count(): int
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{
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return $this->length;
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}
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/**
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* To make it compatible with iterator_to_array() function.
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*
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* {@inheritdoc}
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*/
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public function getIterator(): \ArrayIterator
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{
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return new \ArrayIterator($this->items);
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}
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}
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