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<?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\Json\JsonFile;
use Composer\Package\Version\VersionParser;
use Composer\Plugin\CommandEvent;
use Composer\Plugin\PluginEvents;
use Composer\Package\PackageInterface;
use Composer\Repository\RepositoryInterface;
use Symfony\Component\Console\Helper\Table;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
/**
* @author Benoît Merlet <benoit.merlet@gmail.com>
*/
class LicensesCommand extends Command
{
protected function configure()
{
$this
->setName('licenses')
->setDescription('Show information about licenses of dependencies')
->setDefinition(array(
new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Format of the output: text or json', 'text'),
new InputOption('no-dev', null, InputOption::VALUE_NONE, 'Disables search in require-dev packages.'),
))
->setHelp(<<<EOT
The license command displays detailed information about the licenses of
the installed dependencies.
EOT
)
;
}
protected function execute(InputInterface $input, OutputInterface $output)
{
$composer = $this->getComposer();
$commandEvent = new CommandEvent(PluginEvents::COMMAND, 'licenses', $input, $output);
$composer->getEventDispatcher()->dispatch($commandEvent->getName(), $commandEvent);
$root = $composer->getPackage();
$repo = $composer->getRepositoryManager()->getLocalRepository();
$versionParser = new VersionParser;
if ($input->getOption('no-dev')) {
$packages = $this->filterRequiredPackages($repo, $root);
} else {
$packages = $this->appendPackages($repo->getPackages(), array());
}
ksort($packages);
switch ($format = $input->getOption('format')) {
case 'text':
$output->writeln('Name: <comment>'.$root->getPrettyName().'</comment>');
$output->writeln('Version: <comment>'.$versionParser->formatVersion($root).'</comment>');
$output->writeln('Licenses: <comment>'.(implode(', ', $root->getLicense()) ?: 'none').'</comment>');
$output->writeln('Dependencies:');
$table = new Table($output);
$table->setStyle('borderless');
$table->getStyle()->setHorizontalBorderChar('');
foreach ($packages as $package) {
$table->addRow(array(
$package->getPrettyName(),
$versionParser->formatVersion($package),
implode(', ', $package->getLicense()) ?: 'none',
));
}
$table->render($output);
break;
case 'json':
foreach ($packages as $package) {
$dependencies[$package->getPrettyName()] = array(
'version' => $versionParser->formatVersion($package),
'license' => $package->getLicense(),
);
}
$output->writeln(JsonFile::encode(array(
'name' => $root->getPrettyName(),
'version' => $versionParser->formatVersion($root),
'license' => $root->getLicense(),
'dependencies' => $dependencies,
)));
break;
default:
throw new \RuntimeException(sprintf('Unsupported format "%s". See help for supported formats.', $format));
}
}
/**
* Find package requires and child requires
*
* @param RepositoryInterface $repo
* @param PackageInterface $package
*/
private function filterRequiredPackages(RepositoryInterface $repo, PackageInterface $package, $bucket = array())
{
$requires = array_keys($package->getRequires());
$packageListNames = array_keys($bucket);
$packages = array_filter(
$repo->getPackages(),
function ($package) use ($requires, $packageListNames) {
return in_array($package->getName(), $requires) && !in_array($package->getName(), $packageListNames);
}
);
$bucket = $this->appendPackages($packages, $bucket);
foreach ($packages as $package) {
$bucket = $this->filterRequiredPackages($repo, $package, $bucket);
}
return $bucket;
}
/**
* Adds packages to the package list
*
* @param array $packages the list of packages to add
* @param array $bucket the list to add packages to
* @return array
*/
public function appendPackages(array $packages, array $bucket)
{
foreach ($packages as $package) {
$bucket[$package->getName()] = $package;
}
return $bucket;
}
}