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<?php

declare(strict_types=1);

/*
 * This file is part of the league/commonmark package.
 *
 * (c) Colin O'Dell <colinodell@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace League\CommonMark\Node;

use League\CommonMark\Node\Query\AndExpr;
use League\CommonMark\Node\Query\OrExpr;

final class Query
{
    /** @var callable(Node): bool $condition */
    private $condition;

public function __construct()
    {
        $this->condition = new AndExpr();
    }

public function where(callable ...$conditions): self
    {
        return $this->andWhere(...$conditions);
    }

public function andWhere(callable ...$conditions): self
    {
        if ($this->condition instanceof AndExpr) {
            foreach ($conditions as $condition) {
                $this->condition->add($condition);
            }
        } else {
            $this->condition = new AndExpr($this->condition, ...$conditions);
        }

return $this;
    }

public function orWhere(callable ...$conditions): self
    {
        if ($this->condition instanceof OrExpr) {
            foreach ($conditions as $condition) {
                $this->condition->add($condition);
            }
        } else {
            $this->condition = new OrExpr($this->condition, ...$conditions);
        }

return $this;
    }

public function findOne(Node $node): ?Node
    {
        foreach ($node->iterator() as $n) {
            if (\call_user_func($this->condition, $n)) {
                return $n;
            }
        }

return null;
    }

/**
     * @return iterable<Node>
     */
    public function findAll(Node $node, ?int $limit = PHP_INT_MAX): iterable
    {
        $resultCount = 0;

foreach ($node->iterator() as $n) {
            if ($resultCount >= $limit) {
                break;
            }

if (! \call_user_func($this->condition, $n)) {
                continue;
            }

++$resultCount;

yield $n;
        }
    }

/**
     * @return callable(Node): bool
     */
    public static function type(string $class): callable
    {
        return static fn (Node $node): bool => $node instanceof $class;
    }

/**
     * @psalm-param ?callable(Node): bool $condition
     *
     * @return callable(Node): bool
     */
    public static function hasChild(?callable $condition = null): callable
    {
        return static function (Node $node) use ($condition): bool {
            foreach ($node->children() as $child) {
                if ($condition === null || $condition($child)) {
                    return true;
                }
            }

return false;
        };
    }

/**
     * @psalm-param ?callable(Node): bool $condition
     *
     * @return callable(Node): bool
     */
    public static function hasParent(?callable $condition = null): callable
    {
        return static function (Node $node) use ($condition): bool {
            $parent = $node->parent();
            if ($parent === null) {
                return false;
            }

if ($condition === null) {
                return true;
            }

return $condition($parent);
        };
    }
}

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⬅ Naik ke src 11 item

Nama	Tipe	Ukuran	Diubah	Aksi
📁Block	dir	—	2025-10-25 15:30	📂 Buka
📁Inline	dir	—	2025-10-25 15:30	📂 Buka
📁Query	dir	—	2025-10-25 15:30	📂 Buka
🐘Node.php	php	6.3 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘NodeIterator.php	php	1.3 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘NodeWalker.php	php	2.1 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘NodeWalkerEvent.php	php	893 B	2025-10-25 15:30	✏️ Edit 👁️ View
🐘Query.php	php	3.2 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘RawMarkupContainerInterface.php	php	465 B	2025-10-25 15:30	✏️ Edit 👁️ View
🐘StringContainerHelper.php	php	1.3 KB	2025-10-25 15:30	✏️ Edit 👁️ View
🐘StringContainerInterface.php	php	640 B	2025-10-25 15:30	✏️ Edit 👁️ View