<?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:----NTE0NzkzMDExNTA2MjQ2NCA2MzE2NDc0NDU5NzMxMDE0IDIwOTM4Njc1MzE3ODYyOTQ=