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<?php |
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declare(strict_types=1); |
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namespace PHPHtmlParser\Selector; |
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use PHPHtmlParser\Contracts\Selector\ParserInterface; |
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use PHPHtmlParser\Contracts\Selector\SeekerInterface; |
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use PHPHtmlParser\Contracts\Selector\SelectorInterface; |
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use PHPHtmlParser\Discovery\SeekerDiscovery; |
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use PHPHtmlParser\Discovery\SelectorParserDiscovery; |
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use PHPHtmlParser\Dom\Node\AbstractNode; |
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use PHPHtmlParser\Dom\Node\Collection; |
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use PHPHtmlParser\DTO\Selector\ParsedSelectorCollectionDTO; |
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use PHPHtmlParser\DTO\Selector\RuleDTO; |
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use PHPHtmlParser\Exceptions\ChildNotFoundException; |
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/** |
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* Class Selector. |
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*/ |
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class Selector implements SelectorInterface |
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{ |
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/** |
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* @var ParsedSelectorCollectionDTO |
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*/ |
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private $ParsedSelectorCollectionDTO; |
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/** |
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* @var SeekerInterface |
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*/ |
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private $seeker; |
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/** |
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* Constructs with the selector string. |
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*/ |
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public function __construct(string $selector, ?ParserInterface $parser = null, ?SeekerInterface $seeker = null) |
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{ |
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if ($parser == null) { |
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$parser = SelectorParserDiscovery::find(); |
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} |
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351 |
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if ($seeker == null) { |
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$seeker = SeekerDiscovery::find(); |
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} |
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$this->ParsedSelectorCollectionDTO = $parser->parseSelectorString($selector); |
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$this->seeker = $seeker; |
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} |
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/** |
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* Returns the selectors that where found in __construct. |
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*/ |
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public function getParsedSelectorCollectionDTO(): ParsedSelectorCollectionDTO |
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{ |
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return $this->ParsedSelectorCollectionDTO; |
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} |
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/** |
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* Attempts to find the selectors starting from the given |
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* node object. |
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* |
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* @throws ChildNotFoundException |
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*/ |
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public function find(AbstractNode $node): Collection |
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{ |
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339 |
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$results = new Collection(); |
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foreach ($this->ParsedSelectorCollectionDTO->getParsedSelectorDTO() as $selector) { |
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$nodes = [$node]; |
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if (\count($selector->getRules()) == 0) { |
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continue; |
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} |
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$options = []; |
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foreach ($selector->getRules() as $rule) { |
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if ($rule->isAlterNext()) { |
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$options[] = $this->alterNext($rule); |
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continue; |
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} |
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$nodes = $this->seeker->seek($nodes, $rule, $options); |
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// clear the options |
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$options = []; |
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} |
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// this is the final set of nodes |
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foreach ($nodes as $result) { |
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$results[] = $result; |
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} |
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} |
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return $results; |
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} |
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/** |
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* Attempts to figure out what the alteration will be for |
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* the next element. |
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*/ |
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private function alterNext(RuleDTO $rule): array |
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{ |
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$options = []; |
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if ($rule->getTag() == '>') { |
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$options['checkGrandChildren'] = false; |
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} |
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return $options; |
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} |
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} |
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paquettg /
php-html-parser
