<?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 by default, you can enable the require-dev of the initial $requirer
     * packages by passing $includeRequireDev=true, but require-dev of transitive dependencies
     * are always 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,
        bool $includeRequireDev = false,
        array $bucket = [],
    ): array {
        $requires = $requirer->getRequires();
        if ($includeRequireDev) {
            $requires = array_merge($requires, $requirer->getDevRequires());
        }

        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, false, $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:----OTQ4NTgwOTk1MTU2MzQzOSAzMTUxMzg5OTk3MTgxNTg5IDM2MDg2NjY2MDY3Nzc3NDc=