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<?php |
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declare(strict_types=1); |
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/** |
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* This file is part of Scout Extended. |
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* |
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* (c) Algolia Team <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Algolia\ScoutExtended\Splitters; |
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use DOMXPath; |
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use DOMDocument; |
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use Algolia\ScoutExtended\Contracts\SplitterContract; |
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use Algolia\ScoutExtended\Splitters\HtmlSplitterComponent\Queue; |
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use Algolia\ScoutExtended\Splitters\HtmlSplitterComponent\ObjectQueue; |
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final class HtmlSplitter implements SplitterContract |
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{ |
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/** |
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* The list of html tags. |
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* |
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* @var string[] |
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*/ |
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protected $tags = [ |
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'h1', |
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'h2', |
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'h3', |
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'h4', |
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'h5', |
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'h6', |
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'p', |
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]; |
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/** |
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* Creates a new instance of the class. |
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* |
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* @param array $nodes |
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* |
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* @return void |
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*/ |
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public function __construct(array $tags = null) |
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{ |
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if ($tags !== null) { |
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$this->tags = $tags; |
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} |
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} |
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/** |
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* Acts a static factory. |
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* |
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* @param string|array<string> $tags |
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* |
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* @return static |
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*/ |
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public static function by($tags) |
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{ |
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return new static((array) $tags); |
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} |
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/** |
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* Splits the given value. |
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* |
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* @param object $searchable |
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* @param string $value |
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* |
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* @return array |
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*/ |
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public function split($searchable, $value): array |
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{ |
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$dom = new DOMDocument(); |
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//DOMDocument is only for HTML4, this exception is too avoid errors from HTML5 |
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try { |
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$dom->loadHTML($value); |
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} catch (\ErrorException $exception) { |
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} |
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$xpath = new DOMXpath($dom); |
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$queue = new Queue(); |
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$xpathQuery = '//'.implode(' | //', $this->tags); |
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$tags = $xpath->query($xpathQuery); |
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foreach ($tags as $node) { |
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$objectQueue = new ObjectQueue($node->nodeName, $node->textContent); |
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$queue->addObjectQueue($objectQueue); |
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} |
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return $queue->sanitizeQueue(); |
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} |
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} |
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