<?php

namespace Composer\Repository;

use Composer\Package\PackageInterface;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 *
 * @see RepositorySet for ways to work with sets of repos
 */
class RepositoryUtils
{
    /**
     * Find all of $packages which are required by $requirer, either directly or transitively
     *
     * Require-dev is ignored
     *
     * @template T of PackageInterface
     * @param  array<T> $packages
     * @param  list<T> $bucket Do not pass this in, only used to avoid recursion with circular deps
     * @return list<T>
     */
    public static function filterRequiredPackages(
        array $packages,
        PackageInterface $requirer,
        array $bucket = [],
    ): array {
        $requires = $requirer->getRequires();

        foreach ($packages as $candidate) {
            foreach ($candidate->getNames() as $name) {
                if (isset($requires[$name])) {
                    if (!in_array($candidate, $bucket, true)) {
                        $bucket[] = $candidate;
                        $bucket = self::filterRequiredPackages($packages, $candidate, $bucket);
                    }
                    break;
                }
            }
        }

        return $bucket;
    }

    /**
     * Unwraps CompositeRepository, InstalledRepository and optionally FilterRepository to get a flat array of pure repository instances
     *
     * @return RepositoryInterface[]
     */
    public static function flattenRepositories(RepositoryInterface $repo, bool $unwrapFilterRepos = true): array
    {
        // unwrap filter repos
        if ($unwrapFilterRepos && $repo instanceof FilterRepository) {
            $repo = $repo->getRepository();
        }

        if (!$repo instanceof CompositeRepository) {
            return [$repo];
        }

        $repos = [];
        foreach ($repo->getRepositories() as $r) {
            foreach (self::flattenRepositories($r, $unwrapFilterRepos) as $r2) {
                $repos[] = $r2;
            }
        }

        return $repos;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzA1ODEzMzYzNTgxMjcwOSA0MDA0NzAyMTkwMjY4OTQ4IDYzMjg4NDU1NzQ4NDY4NDQ=