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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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declare(strict_types=1);
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/*
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 * This file is part of the league/commonmark package.
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 *
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 * (c) Colin O'Dell <colinodell@gmail.com>
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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 League\CommonMark\Node;
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final class StringContainerHelper
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{
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    /**
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     * Extract text literals from all descendant nodes
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     *
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     * @param Node          $node         Parent node
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     * @param array<string> $excludeTypes Optional list of node class types to exclude
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     *
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     * @return string Concatenated literals
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     */
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    public static function getChildText(Node $node, array $excludeTypes = []): string
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    {
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        $text = '';
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        foreach ($node->iterator() as $child) {
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            if ($child instanceof StringContainerInterface && ! self::isOneOf($child, $excludeTypes)) {
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                $text .= $child->getLiteral();
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            }
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        }
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        return $text;
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    }
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    /**
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     * @param string[] $classesOrInterfacesToCheck
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     *
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     * @psalm-pure
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     */
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    private static function isOneOf(object $object, array $classesOrInterfacesToCheck): bool
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    {
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        foreach ($classesOrInterfacesToCheck as $type) {
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            if ($object instanceof $type) {
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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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}