File Content: BaseDependencyCommand.php <?php /* * This file is part of Composer. * * (c) Nils Adermann <naderman@naderman.de> * Jordi Boggiano <j.boggiano@seld.be> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Composer\Command; use Composer\Package\Link; use Composer\Package\PackageInterface; use Composer\Package\CompletePackageInterface; use Composer\Package\RootPackage; use Composer\Repository\InstalledArrayRepository; use Composer\Repository\CompositeRepository; use Composer\Repository\RootPackageRepository; use Composer\Repository\InstalledRepository; use Composer\Repository\PlatformRepository; use Composer\Repository\RepositoryFactory; use Composer\Plugin\CommandEvent; use Composer\Plugin\PluginEvents; use Symfony\Component\Console\Formatter\OutputFormatterStyle; use Composer\Package\Version\VersionParser; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Output\OutputInterface; /** * Base implementation for commands mapping dependency relationships. * * @author Niels Keurentjes <niels.keurentjes@omines.com> */ class BaseDependencyCommand extends BaseCommand { const ARGUMENT_PACKAGE = 'package'; const ARGUMENT_CONSTRAINT = 'version'; const OPTION_RECURSIVE = 'recursive'; const OPTION_TREE = 'tree'; /** @var ?string[] */ protected $colors; /** * Execute the command. * * @param bool $inverted Whether to invert matching process (why-not vs why behaviour) * @return int Exit code of the operation. */ protected function doExecute(InputInterface $input, OutputInterface $output, $inverted = false) { // Emit command event on startup $composer = $this->getComposer(); $commandEvent = new CommandEvent(PluginEvents::COMMAND, $this->getName(), $input, $output); $composer->getEventDispatcher()->dispatch($commandEvent->getName(), $commandEvent); $platformOverrides = $composer->getConfig()->get('platform') ?: array(); $installedRepo = new InstalledRepository(array( new RootPackageRepository(clone $composer->getPackage()), $composer->getRepositoryManager()->getLocalRepository(), new PlatformRepository(array(), $platformOverrides), )); // Parse package name and constraint list($needle, $textConstraint) = array_pad( explode(':', $input->getArgument(self::ARGUMENT_PACKAGE)), 2, $input->hasArgument(self::ARGUMENT_CONSTRAINT) ? $input->getArgument(self::ARGUMENT_CONSTRAINT) : '*' ); // Find packages that are or provide the requested package first $packages = $installedRepo->findPackagesWithReplacersAndProviders($needle); if (empty($packages)) { throw new \InvalidArgumentException(sprintf('Could not find package "%s" in your project', $needle)); } // If the version we ask for is not installed then we need to locate it in remote repos and add it. // This is needed for why-not to resolve conflicts from an uninstalled version against installed packages. if (!$installedRepo->findPackage($needle, $textConstraint)) { $defaultRepos = new CompositeRepository(RepositoryFactory::defaultRepos($this->getIO())); if ($match = $defaultRepos->findPackage($needle, $textConstraint)) { $installedRepo->addRepository(new InstalledArrayRepository(array(clone $match))); } } // Include replaced packages for inverted lookups as they are then the actual starting point to consider $needles = array($needle); if ($inverted) { foreach ($packages as $package) { $needles = array_merge($needles, array_map(function (Link $link) { return $link->getTarget(); }, $package->getReplaces())); } } // Parse constraint if one was supplied if ('*' !== $textConstraint) { $versionParser = new VersionParser(); $constraint = $versionParser->parseConstraints($textConstraint); } else { $constraint = null; } // Parse rendering options $renderTree = $input->getOption(self::OPTION_TREE); $recursive = $renderTree || $input->getOption(self::OPTION_RECURSIVE); // Resolve dependencies $results = $installedRepo->getDependents($needles, $constraint, $inverted, $recursive); if (empty($results)) { $extra = (null !== $constraint) ? sprintf(' in versions %smatching %s', $inverted ? 'not ' : '', $textConstraint) : ''; $this->getIO()->writeError(sprintf( '<info>There is no installed package depending on "%s"%s</info>', $needle, $extra )); } elseif ($renderTree) { $this->initStyles($output); $root = $packages[0]; $this->getIO()->write(sprintf('<info>%s</info> %s %s', $root->getPrettyName(), $root->getPrettyVersion(), $root instanceof CompletePackageInterface ? $root->getDescription() : '')); $this->printTree($results); } else { $this->printTable($output, $results); } return 0; } /** * Assembles and prints a bottom-up table of the dependencies. * * @param array{PackageInterface, Link, mixed}[] $results * * @return void */ protected function printTable(OutputInterface $output, $results) { $table = array(); $doubles = array(); do { $queue = array(); $rows = array(); foreach ($results as $result) { /** * @var PackageInterface $package * @var Link $link */ list($package, $link, $children) = $result; $unique = (string) $link; if (isset($doubles[$unique])) { continue; } $doubles[$unique] = true; $version = $package->getPrettyVersion() === RootPackage::DEFAULT_PRETTY_VERSION ? '-' : $package->getPrettyVersion(); $rows[] = array($package->getPrettyName(), $version, $link->getDescription(), sprintf('%s (%s)', $link->getTarget(), $link->getPrettyConstraint())); if ($children) { $queue = array_merge($queue, $children); } } $results = $queue; $table = array_merge($rows, $table); } while (!empty($results)); $this->renderTable($table, $output); } /** * Init styles for tree * * @return void */ protected function initStyles(OutputInterface $output) { $this->colors = array( 'green', 'yellow', 'cyan', 'magenta', 'blue', ); foreach ($this->colors as $color) { $style = new OutputFormatterStyle($color); $output->getFormatter()->setStyle($color, $style); } } /** * Recursively prints a tree of the selected results. * * @param array{PackageInterface, Link, mixed[]|bool}[] $results Results to be printed at this level. * @param string $prefix Prefix of the current tree level. * @param int $level Current level of recursion. * * @return void */ protected function printTree($results, $prefix = '', $level = 1) { $count = count($results); $idx = 0; foreach ($results as $result) { list($package, $link, $children) = $result; $color = $this->colors[$level % count($this->colors)]; $prevColor = $this->colors[($level - 1) % count($this->colors)]; $isLast = (++$idx == $count); $versionText = $package->getPrettyVersion() === RootPackage::DEFAULT_PRETTY_VERSION ? '' : $package->getPrettyVersion(); $packageText = rtrim(sprintf('<%s>%s</%1$s> %s', $color, $package->getPrettyName(), $versionText)); $linkText = sprintf('%s <%s>%s</%2$s> %s', $link->getDescription(), $prevColor, $link->getTarget(), $link->getPrettyConstraint()); $circularWarn = $children === false ? '(circular dependency aborted here)' : ''; $this->writeTreeLine(rtrim(sprintf("%s%s%s (%s) %s", $prefix, $isLast ? '└──' : '├──', $packageText, $linkText, $circularWarn))); if ($children) { $this->printTree($children, $prefix . ($isLast ? ' ' : '│ '), $level + 1); } } } /** * @param string $line * * @return void */ private function writeTreeLine($line) { $io = $this->getIO(); if (!$io->isDecorated()) { $line = str_replace(array('└', '├', '──', '│'), array('`-', '|-', '-', '|'), $line); } $io->write($line); } } Submit