/** * @param string|JsonFile $json * @param Config $config * * @return \Composer\Package\RootPackageInterface */ public static function loadRootPackageFromJson($json, Config $config = null) { try { $config = null !== $config ? $config : self::loadConfiguration(); $loader = new JsonLoader(new RootPackageLoader(RepositoryFactory::manager(new NullIO(), $config), $config)); $package = $loader->load($json); } catch (Exception $e) { throw RuntimeException::fromAnyException($e); } return $package; }
/** * Creates a Composer instance * * @param IOInterface $io IO instance * @param array|string|null $localConfig either a configuration array or a filename to read from, if null it will * read from the default filename * @param bool $disablePlugins Whether plugins should not be loaded * @param bool $fullLoad Whether to initialize everything or only main project stuff (used when loading the global composer) * @throws \InvalidArgumentException * @throws \UnexpectedValueException * @return Composer */ public function createComposer(IOInterface $io, $localConfig = null, $disablePlugins = false, $cwd = null, $fullLoad = true) { $cwd = $cwd ?: getcwd(); // load Composer configuration if (null === $localConfig) { $localConfig = static::getComposerFile(); } if (is_string($localConfig)) { $composerFile = $localConfig; $file = new JsonFile($localConfig, null, $io); if (!$file->exists()) { if ($localConfig === './composer.json' || $localConfig === 'composer.json') { $message = 'Composer could not find a composer.json file in ' . $cwd; } else { $message = 'Composer could not find the config file: ' . $localConfig; } $instructions = 'To initialize a project, please create a composer.json file as described in the https://getcomposer.org/ "Getting Started" section'; throw new \InvalidArgumentException($message . PHP_EOL . $instructions); } $file->validateSchema(JsonFile::LAX_SCHEMA); $jsonParser = new JsonParser(); try { $jsonParser->parse(file_get_contents($localConfig), JsonParser::DETECT_KEY_CONFLICTS); } catch (DuplicateKeyException $e) { $details = $e->getDetails(); $io->writeError('<warning>Key ' . $details['key'] . ' is a duplicate in ' . $localConfig . ' at line ' . $details['line'] . '</warning>'); } $localConfig = $file->read(); } // Load config and override with local config/auth config $config = static::createConfig($io, $cwd); $config->merge($localConfig); if (isset($composerFile)) { $io->writeError('Loading config file ' . $composerFile, true, IOInterface::DEBUG); $config->setConfigSource(new JsonConfigSource(new JsonFile(realpath($composerFile), null, $io))); $localAuthFile = new JsonFile(dirname(realpath($composerFile)) . '/auth.json', null, $io); if ($localAuthFile->exists()) { $io->writeError('Loading config file ' . $localAuthFile->getPath(), true, IOInterface::DEBUG); $config->merge(array('config' => $localAuthFile->read())); $config->setAuthConfigSource(new JsonConfigSource($localAuthFile, true)); } } $vendorDir = $config->get('vendor-dir'); // initialize composer $composer = new Composer(); $composer->setConfig($config); if ($fullLoad) { // load auth configs into the IO instance $io->loadConfiguration($config); } $rfs = self::createRemoteFilesystem($io, $config); // initialize event dispatcher $dispatcher = new EventDispatcher($composer, $io); $composer->setEventDispatcher($dispatcher); // initialize repository manager $rm = RepositoryFactory::manager($io, $config, $dispatcher, $rfs); $composer->setRepositoryManager($rm); // load local repository $this->addLocalRepository($io, $rm, $vendorDir); // force-set the version of the global package if not defined as // guessing it adds no value and only takes time if (!$fullLoad && !isset($localConfig['version'])) { $localConfig['version'] = '1.0.0'; } // load package $parser = new VersionParser(); $guesser = new VersionGuesser($config, new ProcessExecutor($io), $parser); $loader = new Package\Loader\RootPackageLoader($rm, $config, $parser, $guesser); $package = $loader->load($localConfig, 'Composer\\Package\\RootPackage', $cwd); $composer->setPackage($package); // initialize installation manager $im = $this->createInstallationManager(); $composer->setInstallationManager($im); if ($fullLoad) { // initialize download manager $dm = $this->createDownloadManager($io, $config, $dispatcher, $rfs); $composer->setDownloadManager($dm); // initialize autoload generator $generator = new AutoloadGenerator($dispatcher, $io); $composer->setAutoloadGenerator($generator); } // add installers to the manager (must happen after download manager is created since they read it out of $composer) $this->createDefaultInstallers($im, $composer, $io); if ($fullLoad) { $globalComposer = null; if (realpath($config->get('home')) !== $cwd) { $globalComposer = $this->createGlobalComposer($io, $config, $disablePlugins); } $pm = $this->createPluginManager($io, $composer, $globalComposer, $disablePlugins); $composer->setPluginManager($pm); $pm->loadInstalledPlugins(); } // init locker if possible if ($fullLoad && isset($composerFile)) { $lockFile = "json" === pathinfo($composerFile, PATHINFO_EXTENSION) ? substr($composerFile, 0, -4) . 'lock' : $composerFile . '.lock'; $locker = new Package\Locker($io, new JsonFile($lockFile, null, $io), $rm, $im, file_get_contents($composerFile)); $composer->setLocker($locker); } if ($fullLoad) { $initEvent = new Event(PluginEvents::INIT); $composer->getEventDispatcher()->dispatch($initEvent->getName(), $initEvent); // once everything is initialized we can // purge packages from local repos if they have been deleted on the filesystem if ($rm->getLocalRepository()) { $this->purgePackages($rm->getLocalRepository(), $im); } } return $composer; }