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48 lines
1.5 KiB
48 lines
1.5 KiB
<?php
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/**
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* @license MIT
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* Copyright 2017 Dustin Wilson, J. King, et al.
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* See LICENSE and AUTHORS files for details
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*/
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declare(strict_types=1);
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namespace MensBeam\HTML\DOM;
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use MensBeam\HTML\Parser;
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# An HTMLCollection object is a collection of elements.
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class HTMLCollection extends Collection {
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public function current(): ?Element {
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return parent::current();
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}
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public function item(int $index): ?Element {
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return parent::item($index);
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}
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public function namedItem(string $name): ?Element {
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# The namedItem(key) method steps are:
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// The interface says to use "name" as the argument while the steps below show
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// to use "key" *shrug*.
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# 1. If key is the empty string, return null.
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if ($name === '') {
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return null;
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}
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# 2. Return the first element in the collection for which at least one of the following is true:
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# • it has an ID which is key;
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# • it is in the HTML namespace and has a name attribute whose value is key;
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# or null if there is no such element.
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foreach ($this->innerCollection as $element) {
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if ($element->getAttribute('id') === $name || $element->namespaceURI === null && $element->getAttribute('name') === $name) {
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return $this->innerDocument->getWrapperNode($element);
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}
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}
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return null;
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}
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public function offsetGet($offset): ?Element {
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return (is_int($offset)) ? $this->item($offset) : $this->namedItem($offset);
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}
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}
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