FM / Command

/home/techb158/ileadtechnology.com/vendor/composer/composer/src/Composer/Command/

/home/techb158/ileadtechnology.com/vendor/composer/composer/src/Composer/Command

Name	Size	Mode	Actions
AboutCommand.php	1172	0644	edit dl rm
ArchiveCommand.php	6791	0644	edit dl rm
BaseCommand.php	5317	0644	edit dl rm
BaseDependencyCommand.php	10187	0644	edit dl rm
CheckPlatformReqsCommand.php	5964	0644	edit dl rm
ClearCacheCommand.php	2159	0644	edit dl rm
ConfigCommand.php	30159	0644	edit dl rm
CreateProjectCommand.php	19535	0644	edit dl rm
DependsCommand.php	1396	0644	edit dl rm
DiagnoseCommand.php	29106	0644	edit dl rm
DumpAutoloadCommand.php	3839	0644	edit dl rm
ExecCommand.php	3624	0644	edit dl rm
FundCommand.php	3731	0644	edit dl rm
GlobalCommand.php	3652	0644	edit dl rm
HomeCommand.php	5486	0644	edit dl rm
InitCommand.php	32803	0644	edit dl rm
InstallCommand.php	6651	0644	edit dl rm
LicensesCommand.php	5759	0644	edit dl rm
OutdatedCommand.php	3913	0644	edit dl rm
ProhibitsCommand.php	1422	0644	edit dl rm
RemoveCommand.php	8076	0644	edit dl rm
RequireCommand.php	13691	0644	edit dl rm
RunScriptCommand.php	5486	0644	edit dl rm
ScriptAliasCommand.php	2003	0644	edit dl rm
SearchCommand.php	3069	0644	edit dl rm
SelfUpdateCommand.php	24497	0644	edit dl rm
ShowCommand.php	49565	0644	edit dl rm
StatusCommand.php	8686	0644	edit dl rm
SuggestsCommand.php	5356	0644	edit dl rm
UpdateCommand.php	11154	0644	edit dl rm
ValidateCommand.php	7267	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/vendor/composer/composer/src/Composer/Command/ShowCommand.php (49565B)

<?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\Composer;
use Composer\DependencyResolver\DefaultPolicy;
use Composer\DependencyResolver\Pool;
use Composer\Json\JsonFile;
use Composer\Package\BasePackage;
use Composer\Package\CompletePackageInterface;
use Composer\Package\PackageInterface;
use Composer\Package\Version\VersionParser;
use Composer\Package\Version\VersionSelector;
use Composer\Plugin\CommandEvent;
use Composer\Plugin\PluginEvents;
use Composer\Repository\ArrayRepository;
use Composer\Repository\ComposerRepository;
use Composer\Repository\CompositeRepository;
use Composer\Repository\PlatformRepository;
use Composer\Repository\RepositoryFactory;
use Composer\Repository\RepositoryInterface;
use Composer\Semver\Constraint\ConstraintInterface;
use Composer\Semver\Semver;
use Composer\Spdx\SpdxLicenses;
use Composer\Util\Platform;
use Symfony\Component\Console\Formatter\OutputFormatterStyle;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Terminal;

/**
 * @author Robert Schönthal <seroscho@googlemail.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 * @author Jérémy Romey <jeremyFreeAgent>
 * @author Mihai Plasoianu <mihai@plasoianu.de>
 */
class ShowCommand extends BaseCommand
{
    /** @var VersionParser */
    protected $versionParser;
    protected $colors;

/** @var Pool */
    private $pool;

protected function configure()
    {
        $this
            ->setName('show')
            ->setAliases(array('info'))
            ->setDescription('Shows information about packages.')
            ->setDefinition(array(
                new InputArgument('package', InputArgument::OPTIONAL, 'Package to inspect. Or a name including a wildcard (*) to filter lists of packages instead.'),
                new InputArgument('version', InputArgument::OPTIONAL, 'Version or version constraint to inspect'),
                new InputOption('all', null, InputOption::VALUE_NONE, 'List all packages'),
                new InputOption('installed', 'i', InputOption::VALUE_NONE, 'List installed packages only (enabled by default, only present for BC).'),
                new InputOption('platform', 'p', InputOption::VALUE_NONE, 'List platform packages only'),
                new InputOption('available', 'a', InputOption::VALUE_NONE, 'List available packages only'),
                new InputOption('self', 's', InputOption::VALUE_NONE, 'Show the root package information'),
                new InputOption('name-only', 'N', InputOption::VALUE_NONE, 'List package names only'),
                new InputOption('path', 'P', InputOption::VALUE_NONE, 'Show package paths'),
                new InputOption('tree', 't', InputOption::VALUE_NONE, 'List the dependencies as a tree'),
                new InputOption('latest', 'l', InputOption::VALUE_NONE, 'Show the latest version'),
                new InputOption('outdated', 'o', InputOption::VALUE_NONE, 'Show the latest version but only for packages that are outdated'),
                new InputOption('ignore', null, InputOption::VALUE_REQUIRED | InputOption::VALUE_IS_ARRAY, 'Ignore specified package(s). Use it with the --outdated option if you don\'t want to be informed about new versions of some packages.'),
                new InputOption('minor-only', 'm', InputOption::VALUE_NONE, 'Show only packages that have minor SemVer-compatible updates. Use with the --outdated option.'),
                new InputOption('direct', 'D', InputOption::VALUE_NONE, 'Shows only packages that are directly required by the root package'),
                new InputOption('strict', null, InputOption::VALUE_NONE, 'Return a non-zero exit code when there are outdated packages'),
                new InputOption('format', 'f', InputOption::VALUE_REQUIRED, 'Format of the output: text or json', 'text'),
            ))
            ->setHelp(
                <<<EOT
The show command displays detailed information about a package, or
lists all packages available.

Read more at https://getcomposer.org/doc/03-cli.md#show
EOT
            )
        ;
    }

protected function execute(InputInterface $input, OutputInterface $output)
    {
        $this->versionParser = new VersionParser;
        if ($input->getOption('tree')) {
            $this->initStyles($output);
        }

$composer = $this->getComposer(false);
        $io = $this->getIO();

if ($input->getOption('installed')) {
            $io->writeError('<warning>You are using the deprecated option "installed". Only installed packages are shown by default now. The --all option can be used to show all packages.</warning>');
        }

if ($input->getOption('outdated')) {
            $input->setOption('latest', true);
        } elseif ($input->getOption('ignore')) {
            $io->writeError('<warning>You are using the option "ignore" for action other than "outdated", it will be ignored.</warning>');
        }

if ($input->getOption('direct') && ($input->getOption('all') || $input->getOption('available') || $input->getOption('platform'))) {
            $io->writeError('The --direct (-D) option is not usable in combination with --all, --platform (-p) or --available (-a)');

return 1;
        }

if ($input->getOption('tree') && ($input->getOption('all') || $input->getOption('available'))) {
            $io->writeError('The --tree (-t) option is not usable in combination with --all or --available (-a)');

return 1;
        }

if ($input->getOption('tree') && $input->getOption('latest')) {
            $io->writeError('The --tree (-t) option is not usable in combination with --latest (-l)');

return 1;
        }

if ($input->getOption('tree') && $input->getOption('path')) {
            $io->writeError('The --tree (-t) option is not usable in combination with --path (-P)');

return 1;
        }

$format = $input->getOption('format');
        if (!in_array($format, array('text', 'json'))) {
            $io->writeError(sprintf('Unsupported format "%s". See help for supported formats.', $format));

return 1;
        }

// init repos
        $platformOverrides = array();
        if ($composer) {
            $platformOverrides = $composer->getConfig()->get('platform') ?: array();
        }
        $platformRepo = new PlatformRepository(array(), $platformOverrides);
        $phpVersion = $platformRepo->findPackage('php', '*')->getVersion();

if ($input->getOption('self')) {
            $package = $this->getComposer()->getPackage();
            if ($input->getOption('name-only')) {
                $io->write($package->getName());
                return 0;
            }
            $repos = $installedRepo = new ArrayRepository(array($package));
        } elseif ($input->getOption('platform')) {
            $repos = $installedRepo = $platformRepo;
        } elseif ($input->getOption('available')) {
            $installedRepo = $platformRepo;
            if ($composer) {
                $repos = new CompositeRepository($composer->getRepositoryManager()->getRepositories());
            } else {
                $defaultRepos = RepositoryFactory::defaultRepos($io);
                $repos = new CompositeRepository($defaultRepos);
                $io->writeError('No composer.json found in the current directory, showing available packages from ' . implode(', ', array_keys($defaultRepos)));
            }
        } elseif ($input->getOption('all') && $composer) {
            $localRepo = $composer->getRepositoryManager()->getLocalRepository();
            $installedRepo = new CompositeRepository(array($localRepo, $platformRepo));
            $repos = new CompositeRepository(array_merge(array($installedRepo), $composer->getRepositoryManager()->getRepositories()));
        } elseif ($input->getOption('all')) {
            $defaultRepos = RepositoryFactory::defaultRepos($io);
            $io->writeError('No composer.json found in the current directory, showing available packages from ' . implode(', ', array_keys($defaultRepos)));
            $installedRepo = $platformRepo;
            $repos = new CompositeRepository(array_merge(array($installedRepo), $defaultRepos));
        } else {
            $repos = $installedRepo = $this->getComposer()->getRepositoryManager()->getLocalRepository();
            $rootPkg = $this->getComposer()->getPackage();
            if (!$installedRepo->getPackages() && ($rootPkg->getRequires() || $rootPkg->getDevRequires())) {
                $io->writeError('<warning>No dependencies installed. Try running composer install or update.</warning>');
            }
        }

if ($composer) {
            $commandEvent = new CommandEvent(PluginEvents::COMMAND, 'show', $input, $output);
            $composer->getEventDispatcher()->dispatch($commandEvent->getName(), $commandEvent);
        }

if ($input->getOption('latest') && null === $composer) {
            $io->writeError('No composer.json found in the current directory, disabling "latest" option');
            $input->setOption('latest', false);
        }

$packageFilter = $input->getArgument('package');

// show single package or single version
        if (($packageFilter && false === strpos($packageFilter, '*')) || !empty($package)) {
            if (empty($package)) {
                list($package, $versions) = $this->getPackage($installedRepo, $repos, $input->getArgument('package'), $input->getArgument('version'));

if (empty($package)) {
                    $options = $input->getOptions();
                    if (!isset($options['working-dir']) || !file_exists('composer.json')) {
                        if (preg_match(PlatformRepository::PLATFORM_PACKAGE_REGEX, $input->getArgument('package')) && !$input->getOption('platform')) {
                            throw new \InvalidArgumentException('Package ' . $packageFilter . ' not found, try using --platform (-p) to show platform packages.');
                        }
                        throw new \InvalidArgumentException('Package ' . $packageFilter . ' not found');
                    }

$io->writeError('Package ' . $packageFilter . ' not found in ' . $options['working-dir'] . '/composer.json');

return 1;
                }
            } else {
                $versions = array($package->getPrettyVersion() => $package->getVersion());
            }

$exitCode = 0;
            if ($input->getOption('tree')) {
                $arrayTree = $this->generatePackageTree($package, $installedRepo, $repos);

if ('json' === $format) {
                    $io->write(JsonFile::encode(array('installed' => array($arrayTree))));
                } else {
                    $this->displayPackageTree(array($arrayTree));
                }
            } else {
                $latestPackage = null;
                if ($input->getOption('latest')) {
                    $latestPackage = $this->findLatestPackage($package, $composer, $phpVersion);
                }
                if ($input->getOption('outdated') && $input->getOption('strict') && $latestPackage && $latestPackage->getFullPrettyVersion() !== $package->getFullPrettyVersion() && !$latestPackage->isAbandoned()) {
                    $exitCode = 1;
                }
                if ($input->getOption('path')) {
                    $io->write($package->getName(), false);
                    $io->write(' ' . strtok(realpath($composer->getInstallationManager()->getInstallPath($package)), "\r\n"));

return $exitCode;
                }

if ('json' === $format) {
                    $this->printPackageInfoAsJson($package, $versions, $installedRepo, $latestPackage ?: null);
                } else {
                    $this->printPackageInfo($package, $versions, $installedRepo, $latestPackage ?: null);
                }
            }

return $exitCode;
        }

// show tree view if requested
        if ($input->getOption('tree')) {
            $rootRequires = $this->getRootRequires();
            $packages = $installedRepo->getPackages();
            usort($packages, 'strcmp');
            $arrayTree = array();
            foreach ($packages as $package) {
                if (in_array($package->getName(), $rootRequires, true)) {
                    $arrayTree[] = $this->generatePackageTree($package, $installedRepo, $repos);
                }
            }

if ('json' === $format) {
                $io->write(JsonFile::encode(array('installed' => $arrayTree)));
            } else {
                $this->displayPackageTree($arrayTree);
            }

return 0;
        }

if ($repos instanceof CompositeRepository) {
            $repos = $repos->getRepositories();
        } elseif (!is_array($repos)) {
            $repos = array($repos);
        }

// list packages
        $packages = array();
        if (null !== $packageFilter) {
            $packageFilter = '{^'.str_replace('\\*', '.*?', preg_quote($packageFilter)).'$}i';
        }

$packageListFilter = array();
        if ($input->getOption('direct')) {
            $packageListFilter = $this->getRootRequires();
        }

if (class_exists('Symfony\Component\Console\Terminal')) {
            $terminal = new Terminal();
            $width = $terminal->getWidth();
        } else {
            // For versions of Symfony console before 3.2
            list($width) = $this->getApplication()->getTerminalDimensions();
        }
        if (null === $width) {
            // In case the width is not detected, we're probably running the command
            // outside of a real terminal, use space without a limit
            $width = PHP_INT_MAX;
        }
        if (Platform::isWindows()) {
            $width--;
        } else {
            $width = max(80, $width);
        }

if ($input->getOption('path') && null === $composer) {
            $io->writeError('No composer.json found in the current directory, disabling "path" option');
            $input->setOption('path', false);
        }

foreach ($repos as $repo) {
            if ($repo === $platformRepo) {
                $type = 'platform';
            } elseif (
                $repo === $installedRepo
                || ($installedRepo instanceof CompositeRepository && in_array($repo, $installedRepo->getRepositories(), true))
            ) {
                $type = 'installed';
            } else {
                $type = 'available';
            }
            if ($repo instanceof ComposerRepository && $repo->hasProviders()) {
                foreach ($repo->getProviderNames() as $name) {
                    if (!$packageFilter || preg_match($packageFilter, $name)) {
                        $packages[$type][$name] = $name;
                    }
                }
            } else {
                foreach ($repo->getPackages() as $package) {
                    if (!isset($packages[$type][$package->getName()])
                        || !is_object($packages[$type][$package->getName()])
                        || version_compare($packages[$type][$package->getName()]->getVersion(), $package->getVersion(), '<')
                    ) {
                        if (!$packageFilter || preg_match($packageFilter, $package->getName())) {
                            if (!$packageListFilter || in_array($package->getName(), $packageListFilter, true)) {
                                $packages[$type][$package->getName()] = $package;
                            }
                        }
                    }
                }
            }
        }

$showAllTypes = $input->getOption('all');
        $showLatest = $input->getOption('latest');
        $showMinorOnly = $input->getOption('minor-only');
        $ignoredPackages = array_map('strtolower', $input->getOption('ignore'));
        $indent = $showAllTypes ? '  ' : '';
        $latestPackages = array();
        $exitCode = 0;
        $viewData = array();
        $viewMetaData = array();
        foreach (array('platform' => true, 'available' => false, 'installed' => true) as $type => $showVersion) {
            if (isset($packages[$type])) {
                ksort($packages[$type]);

$nameLength = $versionLength = $latestLength = 0;

if ($showLatest && $showVersion) {
                    foreach ($packages[$type] as $package) {
                        if (is_object($package)) {
                            $latestPackage = $this->findLatestPackage($package, $composer, $phpVersion, $showMinorOnly);
                            if ($latestPackage === false) {
                                continue;
                            }

$latestPackages[$package->getPrettyName()] = $latestPackage;
                        }
                    }
                }

$writePath = !$input->getOption('name-only') && $input->getOption('path');
                $writeVersion = !$input->getOption('name-only') && !$input->getOption('path') && $showVersion;
                $writeLatest = $writeVersion && $showLatest;
                $writeDescription = !$input->getOption('name-only') && !$input->getOption('path');

$hasOutdatedPackages = false;

$viewData[$type] = array();
                foreach ($packages[$type] as $package) {
                    $packageViewData = array();
                    if (is_object($package)) {
                        $latestPackage = null;
                        if ($showLatest && isset($latestPackages[$package->getPrettyName()])) {
                            $latestPackage = $latestPackages[$package->getPrettyName()];
                        }

// Determine if Composer is checking outdated dependencies and if current package should trigger non-default exit code
                        $packageIsUpToDate = $latestPackage && $latestPackage->getFullPrettyVersion() === $package->getFullPrettyVersion() && !$latestPackage->isAbandoned();
                        $packageIsIgnored = \in_array($package->getPrettyName(), $ignoredPackages, true);
                        if ($input->getOption('outdated') && ($packageIsUpToDate || $packageIsIgnored)) {
                            continue;
                        } elseif ($input->getOption('outdated') || $input->getOption('strict')) {
                            $hasOutdatedPackages = true;
                        }

$packageViewData['name'] = $package->getPrettyName();
                        $nameLength = max($nameLength, strlen($package->getPrettyName()));
                        if ($writeVersion) {
                            $packageViewData['version'] = $package->getFullPrettyVersion();
                            $versionLength = max($versionLength, strlen($package->getFullPrettyVersion()));
                        }
                        if ($writeLatest && $latestPackage) {
                            $packageViewData['latest'] = $latestPackage->getFullPrettyVersion();
                            $packageViewData['latest-status'] = $this->getUpdateStatus($latestPackage, $package);
                            $latestLength = max($latestLength, strlen($latestPackage->getFullPrettyVersion()));
                        }
                        if ($writeDescription) {
                            $packageViewData['description'] = $package->getDescription();
                        }
                        if ($writePath) {
                            $packageViewData['path'] = strtok(realpath($composer->getInstallationManager()->getInstallPath($package)), "\r\n");
                        }

if ($latestPackage && $latestPackage->isAbandoned()) {
                            $replacement = is_string($latestPackage->getReplacementPackage())
                                ? 'Use ' . $latestPackage->getReplacementPackage() . ' instead'
                                : 'No replacement was suggested';
                            $packageWarning = sprintf(
                                'Package %s is abandoned, you should avoid using it. %s.',
                                $package->getPrettyName(),
                                $replacement
                            );
                            $packageViewData['warning'] = $packageWarning;
                        }
                    } else {
                        $packageViewData['name'] = $package;
                        $nameLength = max($nameLength, strlen($package));
                    }
                    $viewData[$type][] = $packageViewData;
                }
                $viewMetaData[$type] = array(
                    'nameLength' => $nameLength,
                    'versionLength' => $versionLength,
                    'latestLength' => $latestLength,
                );
                if ($input->getOption('strict') && $hasOutdatedPackages) {
                    $exitCode = 1;
                    break;
                }
            }
        }

if ('json' === $format) {
            $io->write(JsonFile::encode($viewData));
        } else {
            foreach ($viewData as $type => $packages) {
                $nameLength = $viewMetaData[$type]['nameLength'];
                $versionLength = $viewMetaData[$type]['versionLength'];
                $latestLength = $viewMetaData[$type]['latestLength'];

$writeVersion = $nameLength + $versionLength + 3 <= $width;
                $writeLatest = $nameLength + $versionLength + $latestLength + 3 <= $width;
                $writeDescription = $nameLength + $versionLength + $latestLength + 24 <= $width;

if ($writeLatest && !$io->isDecorated()) {
                    $latestLength += 2;
                }

if ($showAllTypes) {
                    if ('available' === $type) {
                        $io->write('<comment>' . $type . '</comment>:');
                    } else {
                        $io->write('<info>' . $type . '</info>:');
                    }
                }

foreach ($packages as $package) {
                    $io->write($indent . str_pad($package['name'], $nameLength, ' '), false);
                    if (isset($package['version']) && $writeVersion) {
                        $io->write(' ' . str_pad($package['version'], $versionLength, ' '), false);
                    }
                    if (isset($package['latest']) && $writeLatest) {
                        $latestVersion = $package['latest'];
                        $updateStatus = $package['latest-status'];
                        $style = $this->updateStatusToVersionStyle($updateStatus);
                        if (!$io->isDecorated()) {
                            $latestVersion = str_replace(array('up-to-date', 'semver-safe-update', 'update-possible'), array('=', '!', '~'), $updateStatus) . ' ' . $latestVersion;
                        }
                        $io->write(' <' . $style . '>' . str_pad($latestVersion, $latestLength, ' ') . '</' . $style . '>', false);
                    }
                    if (isset($package['description']) && $writeDescription) {
                        $description = strtok($package['description'], "\r\n");
                        $remaining = $width - $nameLength - $versionLength - 4;
                        if ($writeLatest) {
                            $remaining -= $latestLength;
                        }
                        if (strlen($description) > $remaining) {
                            $description = substr($description, 0, $remaining - 3) . '...';
                        }
                        $io->write(' ' . $description, false);
                    }
                    if (isset($package['path'])) {
                        $io->write(' ' . $package['path'], false);
                    }
                    $io->write('');
                    if (isset($package['warning'])) {
                        $io->write('<warning>' . $package['warning'] . '</warning>');
                    }
                }

if ($showAllTypes) {
                    $io->write('');
                }
            }
        }

return $exitCode;
    }

protected function getRootRequires()
    {
        $rootPackage = $this->getComposer()->getPackage();

return array_map(
            'strtolower',
            array_keys(array_merge($rootPackage->getRequires(), $rootPackage->getDevRequires()))
        );
    }

protected function getVersionStyle(PackageInterface $latestPackage, PackageInterface $package)
    {
        return $this->updateStatusToVersionStyle($this->getUpdateStatus($latestPackage, $package));
    }

/**
     * finds a package by name and version if provided
     *
     * @param  RepositoryInterface        $installedRepo
     * @param  RepositoryInterface        $repos
     * @param  string                     $name
     * @param  ConstraintInterface|string $version
     * @throws \InvalidArgumentException
     * @return array                      array(CompletePackageInterface, array of versions)
     */
    protected function getPackage(RepositoryInterface $installedRepo, RepositoryInterface $repos, $name, $version = null)
    {
        $name = strtolower($name);
        $constraint = is_string($version) ? $this->versionParser->parseConstraints($version) : $version;

$policy = new DefaultPolicy();
        $pool = new Pool('dev');
        $pool->addRepository($repos);

$matchedPackage = null;
        $versions = array();
        $matches = $pool->whatProvides($name, $constraint);
        foreach ($matches as $index => $package) {
            // skip providers/replacers
            if ($package->getName() !== $name) {
                unset($matches[$index]);
                continue;
            }

// select an exact match if it is in the installed repo and no specific version was required
            if (null === $version && $installedRepo->hasPackage($package)) {
                $matchedPackage = $package;
            }

$versions[$package->getPrettyVersion()] = $package->getVersion();
            $matches[$index] = $package->getId();
        }

// select preferred package according to policy rules
        if (!$matchedPackage && $matches && $preferred = $policy->selectPreferredPackages($pool, array(), $matches)) {
            $matchedPackage = $pool->literalToPackage($preferred[0]);
        }

return array($matchedPackage, $versions);
    }

/**
     * Prints package info.
     *
     * @param CompletePackageInterface $package
     * @param array                    $versions
     * @param RepositoryInterface      $installedRepo
     * @param PackageInterface|null    $latestPackage
     */
    protected function printPackageInfo(CompletePackageInterface $package, array $versions, RepositoryInterface $installedRepo, PackageInterface $latestPackage = null)
    {
        $io = $this->getIO();

$this->printMeta($package, $versions, $installedRepo, $latestPackage ?: null);
        $this->printLinks($package, 'requires');
        $this->printLinks($package, 'devRequires', 'requires (dev)');

if ($package->getSuggests()) {
            $io->write("\n<info>suggests</info>");
            foreach ($package->getSuggests() as $suggested => $reason) {
                $io->write($suggested . ' <comment>' . $reason . '</comment>');
            }
        }

$this->printLinks($package, 'provides');
        $this->printLinks($package, 'conflicts');
        $this->printLinks($package, 'replaces');
    }

/**
     * Prints package metadata.
     *
     * @param CompletePackageInterface $package
     * @param array                    $versions
     * @param RepositoryInterface      $installedRepo
     * @param PackageInterface|null    $latestPackage
     */
    protected function printMeta(CompletePackageInterface $package, array $versions, RepositoryInterface $installedRepo, PackageInterface $latestPackage = null)
    {
        $io = $this->getIO();
        $io->write('<info>name</info>     : ' . $package->getPrettyName());
        $io->write('<info>descrip.</info> : ' . $package->getDescription());
        $io->write('<info>keywords</info> : ' . implode(', ', $package->getKeywords() ?: array()));
        $this->printVersions($package, $versions, $installedRepo);
        if ($latestPackage) {
            $style = $this->getVersionStyle($latestPackage, $package);
            $io->write('<info>latest</info>   : <'.$style.'>' . $latestPackage->getPrettyVersion() . '</'.$style.'>');
        } else {
            $latestPackage = $package;
        }
        $io->write('<info>type</info>     : ' . $package->getType());
        $this->printLicenses($package);
        $io->write('<info>homepage</info> : ' . $package->getHomepage());
        $io->write('<info>source</info>   : ' . sprintf('[%s] <comment>%s</comment> %s', $package->getSourceType(), $package->getSourceUrl(), $package->getSourceReference()));
        $io->write('<info>dist</info>     : ' . sprintf('[%s] <comment>%s</comment> %s', $package->getDistType(), $package->getDistUrl(), $package->getDistReference()));
        if ($installedRepo->hasPackage($package)) {
            $io->write('<info>path</info>     : ' . sprintf('%s', realpath($this->getComposer()->getInstallationManager()->getInstallPath($package))));
        }
        $io->write('<info>names</info>    : ' . implode(', ', $package->getNames()));

if ($latestPackage->isAbandoned()) {
            $replacement = ($latestPackage->getReplacementPackage() !== null)
                ? ' The author suggests using the ' . $latestPackage->getReplacementPackage(). ' package instead.'
                : null;

$io->writeError(
                sprintf('<warning>Attention: This package is abandoned and no longer maintained.%s</warning>', $replacement)
            );
        }

if ($package->getSupport()) {
            $io->write("\n<info>support</info>");
            foreach ($package->getSupport() as $type => $value) {
                $io->write('<comment>' . $type . '</comment> : '.$value);
            }
        }

if ($package->getAutoload()) {
            $io->write("\n<info>autoload</info>");
            foreach ($package->getAutoload() as $type => $autoloads) {
                $io->write('<comment>' . $type . '</comment>');

if ($type === 'psr-0') {
                    foreach ($autoloads as $name => $path) {
                        $io->write(($name ?: '*') . ' => ' . (is_array($path) ? implode(', ', $path) : ($path ?: '.')));
                    }
                } elseif ($type === 'psr-4') {
                    foreach ($autoloads as $name => $path) {
                        $io->write(($name ?: '*') . ' => ' . (is_array($path) ? implode(', ', $path) : ($path ?: '.')));
                    }
                } elseif ($type === 'classmap') {
                    $io->write(implode(', ', $autoloads));
                }
            }
            if ($package->getIncludePaths()) {
                $io->write('<comment>include-path</comment>');
                $io->write(implode(', ', $package->getIncludePaths()));
            }
        }
    }

/**
     * Prints all available versions of this package and highlights the installed one if any.
     *
     * @param CompletePackageInterface $package
     * @param array                    $versions
     * @param RepositoryInterface      $installedRepo
     */
    protected function printVersions(CompletePackageInterface $package, array $versions, RepositoryInterface $installedRepo)
    {
        uasort($versions, 'version_compare');
        $versions = array_keys(array_reverse($versions));

// highlight installed version
        if ($installedRepo->hasPackage($package)) {
            $installedVersion = $package->getPrettyVersion();
            $key = array_search($installedVersion, $versions);
            if (false !== $key) {
                $versions[$key] = '<info>* ' . $installedVersion . '</info>';
            }
        }

$versions = implode(', ', $versions);

$this->getIO()->write('<info>versions</info> : ' . $versions);
    }

/**
     * print link objects
     *
     * @param CompletePackageInterface $package
     * @param string                   $linkType
     * @param string                   $title
     */
    protected function printLinks(CompletePackageInterface $package, $linkType, $title = null)
    {
        $title = $title ?: $linkType;
        $io = $this->getIO();
        if ($links = $package->{'get'.ucfirst($linkType)}()) {
            $io->write("\n<info>" . $title . "</info>");

foreach ($links as $link) {
                $io->write($link->getTarget() . ' <comment>' . $link->getPrettyConstraint() . '</comment>');
            }
        }
    }

/**
     * Prints the licenses of a package with metadata
     *
     * @param CompletePackageInterface $package
     */
    protected function printLicenses(CompletePackageInterface $package)
    {
        $spdxLicenses = new SpdxLicenses();

$licenses = $package->getLicense();
        $io = $this->getIO();

foreach ($licenses as $licenseId) {
            $license = $spdxLicenses->getLicenseByIdentifier($licenseId); // keys: 0 fullname, 1 osi, 2 url

if (!$license) {
                $out = $licenseId;
            } else {
                // is license OSI approved?
                if ($license[1] === true) {
                    $out = sprintf('%s (%s) (OSI approved) %s', $license[0], $licenseId, $license[2]);
                } else {
                    $out = sprintf('%s (%s) %s', $license[0], $licenseId, $license[2]);
                }
            }

$io->write('<info>license</info>  : ' . $out);
        }
    }

/**
     * Prints package info in JSON format.
     *
     * @param CompletePackageInterface $package
     * @param array                    $versions
     * @param RepositoryInterface      $installedRepo
     * @param PackageInterface|null    $latestPackage
     */
    protected function printPackageInfoAsJson(CompletePackageInterface $package, array $versions, RepositoryInterface $installedRepo, PackageInterface $latestPackage = null)
    {
        $json = array(
            'name' => $package->getPrettyName(),
            'description' => $package->getDescription(),
            'keywords' => $package->getKeywords() ?: array(),
            'type' => $package->getType(),
            'homepage' => $package->getHomepage(),
            'names' => $package->getNames()
        );

$json = $this->appendVersions($json, $versions);
        $json = $this->appendLicenses($json, $package);

if ($latestPackage) {
            $json['latest'] = $latestPackage->getPrettyVersion();
        } else {
            $latestPackage = $package;
        }

if ($package->getSourceType()) {
            $json['source'] = array(
                'type' => $package->getSourceType(),
                'url' => $package->getSourceUrl(),
                'reference' => $package->getSourceReference()
            );
        }

if ($package->getDistType()) {
            $json['dist'] = array(
                'type' => $package->getDistType(),
                'url' => $package->getDistUrl(),
                'reference' => $package->getDistReference()
            );
        }

if ($installedRepo->hasPackage($package)) {
            $json['path'] = realpath($this->getComposer()->getInstallationManager()->getInstallPath($package));
            if ($json['path'] === false) {
                unset($json['path']);
            }
        }

if ($latestPackage->isAbandoned()) {
            $json['replacement'] = $latestPackage->getReplacementPackage();
        }

if ($package->getSuggests()) {
            $json['suggests'] = $package->getSuggests();
        }

if ($package->getSupport()) {
            $json['support'] = $package->getSupport();
        }

$json = $this->appendAutoload($json, $package);

if ($package->getIncludePaths()) {
            $json['include_path'] = $package->getIncludePaths();
        }

$json = $this->appendLinks($json, $package);

$this->getIO()->write(JsonFile::encode($json));
    }

private function appendVersions($json, array $versions)
    {
        uasort($versions, 'version_compare');
        $versions = array_keys(array_reverse($versions));
        $json['versions'] = $versions;

return $json;
    }

private function appendLicenses($json, CompletePackageInterface $package)
    {
        if ($licenses = $package->getLicense()) {
            $spdxLicenses = new SpdxLicenses();

$json['licenses'] = array_map(function ($licenseId) use ($spdxLicenses) {
                $license = $spdxLicenses->getLicenseByIdentifier($licenseId); // keys: 0 fullname, 1 osi, 2 url

if (!$license) {
                    return $licenseId;
                }

return array(
                    'name' => $license[0],
                    'osi' => $licenseId,
                    'url' => $license[2]
                );
            }, $licenses);
        }

return $json;
    }

private function appendAutoload($json, CompletePackageInterface $package)
    {
        if ($package->getAutoload()) {
            $autoload = array();

foreach ($package->getAutoload() as $type => $autoloads) {
                if ($type === 'psr-0' || $type === 'psr-4') {
                    $psr = array();

foreach ($autoloads as $name => $path) {
                        if (!$path) {
                            $path = '.';
                        }

$psr[$name ?: '*'] = $path;
                    }

$autoload[$type] = $psr;
                } elseif ($type === 'classmap') {
                    $autoload['classmap'] = $autoloads;
                }
            }

$json['autoload'] = $autoload;
        }

return $json;
    }

private function appendLinks($json, CompletePackageInterface $package)
    {
        foreach (array('requires', 'devRequires', 'provides', 'conflicts', 'replaces') as $linkType) {
            $json = $this->appendLink($json, $package, $linkType);
        }

return $json;
    }

private function appendLink($json, CompletePackageInterface $package, $linkType)
    {
        $links = $package->{'get' . ucfirst($linkType)}();

if ($links) {
            $json[$linkType] = array();

foreach ($links as $link) {
                $json[$linkType][$link->getTarget()] = $link->getPrettyConstraint();
            }
        }

return $json;
    }

/**
     * Init styles for tree
     *
     * @param OutputInterface $output
     */
    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);
        }
    }

/**
     * Display the tree
     *
     * @param array $arrayTree
     */
    protected function displayPackageTree(array $arrayTree)
    {
        $io = $this->getIO();
        foreach ($arrayTree as $package) {
            $io->write(sprintf('<info>%s</info>', $package['name']), false);
            $io->write(' ' . $package['version'], false);
            $io->write(' ' . strtok($package['description'], "\r\n"));

if (isset($package['requires'])) {
                $requires = $package['requires'];
                $treeBar = '├';
                $j = 0;
                $total = count($requires);
                foreach ($requires as $require) {
                    $requireName = $require['name'];
                    $j++;
                    if ($j === $total) {
                        $treeBar = '└';
                    }
                    $level = 1;
                    $color = $this->colors[$level];
                    $info = sprintf(
                        '%s──<%s>%s</%s> %s',
                        $treeBar,
                        $color,
                        $requireName,
                        $color,
                        $require['version']
                    );
                    $this->writeTreeLine($info);

$treeBar = str_replace('└', ' ', $treeBar);
                    $packagesInTree = array($package['name'], $requireName);

$this->displayTree($require, $packagesInTree, $treeBar, $level + 1);
                }
            }
        }
    }

/**
     * Generate the package tree
     *
     * @param  PackageInterface $package
     * @param  RepositoryInterface     $installedRepo
     * @param  RepositoryInterface     $distantRepos
     * @return array
     */
    protected function generatePackageTree(
        PackageInterface $package,
        RepositoryInterface $installedRepo,
        RepositoryInterface $distantRepos
    ) {
        $requires = $package->getRequires();
        ksort($requires);
        $children = array();
        foreach ($requires as $requireName => $require) {
            $packagesInTree = array($package->getName(), $requireName);

$treeChildDesc = array(
                'name' => $requireName,
                'version' => $require->getPrettyConstraint(),
            );

$deepChildren = $this->addTree($requireName, $require, $installedRepo, $distantRepos, $packagesInTree);

if ($deepChildren) {
                $treeChildDesc['requires'] = $deepChildren;
            }

$children[] = $treeChildDesc;
        }
        $tree = array(
            'name' => $package->getPrettyName(),
            'version' => $package->getPrettyVersion(),
            'description' => $package->getDescription(),
        );

if ($children) {
            $tree['requires'] = $children;
        }

return $tree;
    }

/**
     * Display a package tree
     *
     * @param PackageInterface|string $package
     * @param array                   $packagesInTree
     * @param string                  $previousTreeBar
     * @param int                     $level
     */
    protected function displayTree(
        $package,
        array $packagesInTree,
        $previousTreeBar = '├',
        $level = 1
    ) {
        $previousTreeBar = str_replace('├', '│', $previousTreeBar);
        if (isset($package['requires'])) {
            $requires = $package['requires'];
            $treeBar = $previousTreeBar . '  ├';
            $i = 0;
            $total = count($requires);
            foreach ($requires as $require) {
                $currentTree = $packagesInTree;
                $i++;
                if ($i === $total) {
                    $treeBar = $previousTreeBar . '  └';
                }
                $colorIdent = $level % count($this->colors);
                $color = $this->colors[$colorIdent];

$circularWarn = in_array(
                    $require['name'],
                    $currentTree,
                    true
                ) ? '(circular dependency aborted here)' : '';
                $info = rtrim(sprintf(
                    '%s──<%s>%s</%s> %s %s',
                    $treeBar,
                    $color,
                    $require['name'],
                    $color,
                    $require['version'],
                    $circularWarn
                ));
                $this->writeTreeLine($info);

$treeBar = str_replace('└', ' ', $treeBar);

$currentTree[] = $require['name'];
                $this->displayTree($require, $currentTree, $treeBar, $level + 1);
            }
        }
    }

/**
     * Display a package tree
     *
     * @param  string                  $name
     * @param  PackageInterface|string $package
     * @param  RepositoryInterface     $installedRepo
     * @param  RepositoryInterface     $distantRepos
     * @param  array                   $packagesInTree
     * @return array
     */
    protected function addTree(
        $name,
        $package,
        RepositoryInterface $installedRepo,
        RepositoryInterface $distantRepos,
        array $packagesInTree
    ) {
        $children = array();
        list($package, $versions) = $this->getPackage(
            $installedRepo,
            $distantRepos,
            $name,
            $package->getPrettyConstraint() === 'self.version' ? $package->getConstraint() : $package->getPrettyConstraint()
        );
        if (is_object($package)) {
            $requires = $package->getRequires();
            ksort($requires);
            foreach ($requires as $requireName => $require) {
                $currentTree = $packagesInTree;

$treeChildDesc = array(
                    'name' => $requireName,
                    'version' => $require->getPrettyConstraint(),
                );

if (!in_array($requireName, $currentTree, true)) {
                    $currentTree[] = $requireName;
                    $deepChildren = $this->addTree($requireName, $require, $installedRepo, $distantRepos, $currentTree);
                    if ($deepChildren) {
                        $treeChildDesc['requires'] = $deepChildren;
                    }
                }

$children[] = $treeChildDesc;
            }
        }

return $children;
    }

private function updateStatusToVersionStyle($updateStatus)
    {
        // 'up-to-date' is printed green
        // 'semver-safe-update' is printed red
        // 'update-possible' is printed yellow
        return str_replace(array('up-to-date', 'semver-safe-update', 'update-possible'), array('info', 'highlight', 'comment'), $updateStatus);
    }

private function getUpdateStatus(PackageInterface $latestPackage, PackageInterface $package)
    {
        if ($latestPackage->getFullPrettyVersion() === $package->getFullPrettyVersion()) {
            return 'up-to-date';
        }

$constraint = $package->getVersion();
        if (0 !== strpos($constraint, 'dev-')) {
            $constraint = '^'.$constraint;
        }
        if ($latestPackage->getVersion() && Semver::satisfies($latestPackage->getVersion(), $constraint)) {
            // it needs an immediate semver-compliant upgrade
            return 'semver-safe-update';
        }

// it needs an upgrade but has potential BC breaks so is not urgent
        return 'update-possible';
    }

private function writeTreeLine($line)
    {
        $io = $this->getIO();
        if (!$io->isDecorated()) {
            $line = str_replace(array('└', '├', '──', '│'), array('`-', '|-', '-', '|'), $line);
        }

$io->write($line);
    }

/**
     * Given a package, this finds the latest package matching it
     *
     * @param PackageInterface $package
     * @param Composer         $composer
     * @param string           $phpVersion
     * @param bool             $minorOnly
     *
     * @return PackageInterface|null
     */
    private function findLatestPackage(PackageInterface $package, Composer $composer, $phpVersion, $minorOnly = false)
    {
        // find the latest version allowed in this pool
        $name = $package->getName();
        $versionSelector = new VersionSelector($this->getPool($composer));
        $stability = $composer->getPackage()->getMinimumStability();
        $flags = $composer->getPackage()->getStabilityFlags();
        if (isset($flags[$name])) {
            $stability = array_search($flags[$name], BasePackage::$stabilities, true);
        }

$bestStability = $stability;
        if ($composer->getPackage()->getPreferStable()) {
            $bestStability = $package->getStability();
        }

$targetVersion = null;
        if (0 === strpos($package->getVersion(), 'dev-')) {
            $targetVersion = $package->getVersion();
        }

if ($targetVersion === null && $minorOnly) {
            $targetVersion = '^' . $package->getVersion();
        }

return $versionSelector->findBestCandidate($name, $targetVersion, $phpVersion, $bestStability);
    }

private function getPool(Composer $composer)
    {
        if (!$this->pool) {
            $this->pool = new Pool($composer->getPackage()->getMinimumStability(), $composer->getPackage()->getStabilityFlags());
            $this->pool->addRepository(new CompositeRepository($composer->getRepositoryManager()->getRepositories()));
        }

return $this->pool;
    }
}

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