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Current File : //proc/self/root/usr/share/php/Composer/Repository/FilesystemRepository.php
<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <[email protected]>
 *     Jordi Boggiano <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Repository;

use Composer\Json\JsonFile;
use Composer\Package\Loader\ArrayLoader;
use Composer\Package\RootPackageInterface;
use Composer\Package\AliasPackage;
use Composer\Package\Dumper\ArrayDumper;
use Composer\Installer\InstallationManager;
use Composer\Util\Filesystem;

/**
 * Filesystem repository.
 *
 * @author Konstantin Kudryashov <[email protected]>
 * @author Jordi Boggiano <[email protected]>
 */
class FilesystemRepository extends WritableArrayRepository
{
    protected $file;
    private $dumpVersions;
    private $rootPackage;

    /**
     * Initializes filesystem repository.
     *
     * @param JsonFile              $repositoryFile repository json file
     * @param bool                  $dumpVersions
     * @param ?RootPackageInterface $rootPackage    Must be provided if $dumpVersions is true
     */
    public function __construct(JsonFile $repositoryFile, $dumpVersions = false, RootPackageInterface $rootPackage = null)
    {
        parent::__construct();
        $this->file = $repositoryFile;
        $this->dumpVersions = $dumpVersions;
        $this->rootPackage = $rootPackage;
        if ($dumpVersions && !$rootPackage) {
            throw new \InvalidArgumentException('Expected a root package instance if $dumpVersions is true');
        }
    }

    /**
     * Initializes repository (reads file, or remote address).
     */
    protected function initialize()
    {
        parent::initialize();

        if (!$this->file->exists()) {
            return;
        }

        try {
            $data = $this->file->read();
            if (isset($data['packages'])) {
                $packages = $data['packages'];
            } else {
                $packages = $data;
            }

            if (isset($data['dev-package-names'])) {
                $this->setDevPackageNames($data['dev-package-names']);
            }

            if (!is_array($packages)) {
                throw new \UnexpectedValueException('Could not parse package list from the repository');
            }
        } catch (\Exception $e) {
            throw new InvalidRepositoryException('Invalid repository data in '.$this->file->getPath().', packages could not be loaded: ['.get_class($e).'] '.$e->getMessage());
        }

        $loader = new ArrayLoader(null, true);
        foreach ($packages as $packageData) {
            $package = $loader->load($packageData);
            $this->addPackage($package);
        }
    }

    public function reload()
    {
        $this->packages = null;
        $this->initialize();
    }

    /**
     * Writes writable repository.
     */
    public function write($devMode, InstallationManager $installationManager)
    {
        $data = array('packages' => array(), 'dev' => $devMode, 'dev-package-names' => array());
        $dumper = new ArrayDumper();
        $fs = new Filesystem();
        $repoDir = dirname($fs->normalizePath($this->file->getPath()));
        $installPaths = array();

        foreach ($this->getCanonicalPackages() as $package) {
            $pkgArray = $dumper->dump($package);
            $path = $installationManager->getInstallPath($package);
            $installPath = ('' !== $path && null !== $path) ? $fs->findShortestPath($repoDir, $fs->isAbsolutePath($path) ? $path : getcwd() . '/' . $path, true) : null;
            $installPaths[$package->getName()] = $installPath;

            $pkgArray['install-path'] = $installPath;
            $data['packages'][] = $pkgArray;

            // only write to the files the names which are really installed, as we receive the full list
            // of dev package names before they get installed during composer install
            if (in_array($package->getName(), $this->devPackageNames, true)) {
                $data['dev-package-names'][] = $package->getName();
            }
        }

        sort($data['dev-package-names']);
        usort($data['packages'], function ($a, $b) {
            return strcmp($a['name'], $b['name']);
        });

        $this->file->write($data);

        if ($this->dumpVersions) {
            $versions = $this->generateInstalledVersions($installationManager, $installPaths, $devMode, $repoDir);

            $fs->filePutContentsIfModified($repoDir.'/installed.php', '<?php return ' . $this->dumpToPhpCode($versions) . ';'."\n");
            $installedVersionsClass = file_get_contents(__DIR__.'/../InstalledVersions.php');
            $fs->filePutContentsIfModified($repoDir.'/InstalledVersions.php', $installedVersionsClass);

            \Composer\InstalledVersions::reload($versions);
        }
    }

    private function dumpToPhpCode(array $array = array(), $level = 0)
    {
        $lines = "array(\n";
        $level++;

        foreach ($array as $key => $value) {
            $lines .= str_repeat('    ', $level);
            $lines .= is_int($key) ? $key . ' => ' : '\'' . $key . '\' => ';

            if (is_array($value)) {
                if (!empty($value)) {
                    $lines .= $this->dumpToPhpCode($value, $level);
                } else {
                    $lines .= "array(),\n";
                }
            } elseif ($key === 'install_path' && is_string($value)) {
                $fs = new Filesystem();
                if ($fs->isAbsolutePath($value)) {
                    $lines .= var_export($value, true) . ",\n";
                } else {
                    $lines .= "__DIR__ . " . var_export('/' . $value, true) . ",\n";
                }
            } else {
                $lines .= var_export($value, true) . ",\n";
            }
        }

        $lines .= str_repeat('    ', $level - 1) . ')' . ($level - 1 == 0 ? '' : ",\n");

        return $lines;
    }

    /**
     * @return ?array
     */
    private function generateInstalledVersions(InstallationManager $installationManager, array $installPaths, $devMode, $repoDir)
    {
        if (!$this->dumpVersions) {
            return null;
        }

        $devPackages = array_flip($this->devPackageNames);
        $versions = array('versions' => array());
        $packages = $this->getPackages();
        $packages[] = $rootPackage = $this->rootPackage;
        while ($rootPackage instanceof AliasPackage) {
            $rootPackage = $rootPackage->getAliasOf();
            $packages[] = $rootPackage;
        }

        // add real installed packages
        foreach ($packages as $package) {
            if ($package instanceof AliasPackage) {
                continue;
            }

            $reference = null;
            if ($package->getInstallationSource()) {
                $reference = $package->getInstallationSource() === 'source' ? $package->getSourceReference() : $package->getDistReference();
            }
            if (null === $reference) {
                $reference = ($package->getSourceReference() ?: $package->getDistReference()) ?: null;
            }

            if ($package instanceof RootPackageInterface) {
                $fs = new Filesystem();
                $to = getcwd();
                $installPath = $fs->findShortestPath($repoDir, $to, true);
            } else {
                $installPath = $installPaths[$package->getName()];
            }

            $versions['versions'][$package->getName()] = array(
                'pretty_version' => $package->getPrettyVersion(),
                'version' => $package->getVersion(),
                'type' => $package->getType(),
                'install_path' => $installPath,
                'aliases' => array(),
                'reference' => $reference,
                'dev_requirement' => isset($devPackages[$package->getName()]),
            );
            if ($package instanceof RootPackageInterface) {
                $versions['root'] = $versions['versions'][$package->getName()];
                unset($versions['root']['dev_requirement']);
                $versions['root']['name'] = $package->getName();
                $versions['root']['dev'] = $devMode;
            }
        }

        // add provided/replaced packages
        foreach ($packages as $package) {
            $isDevPackage = isset($devPackages[$package->getName()]);
            foreach ($package->getReplaces() as $replace) {
                // exclude platform replaces as when they are really there we can not check for their presence
                if (PlatformRepository::isPlatformPackage($replace->getTarget())) {
                    continue;
                }
                if (!isset($versions['versions'][$replace->getTarget()]['dev_requirement'])) {
                    $versions['versions'][$replace->getTarget()]['dev_requirement'] = $isDevPackage;
                } elseif (!$isDevPackage) {
                    $versions['versions'][$replace->getTarget()]['dev_requirement'] = false;
                }
                $replaced = $replace->getPrettyConstraint();
                if ($replaced === 'self.version') {
                    $replaced = $package->getPrettyVersion();
                }
                if (!isset($versions['versions'][$replace->getTarget()]['replaced']) || !in_array($replaced, $versions['versions'][$replace->getTarget()]['replaced'], true)) {
                    $versions['versions'][$replace->getTarget()]['replaced'][] = $replaced;
                }
            }
            foreach ($package->getProvides() as $provide) {
                // exclude platform provides as when they are really there we can not check for their presence
                if (PlatformRepository::isPlatformPackage($provide->getTarget())) {
                    continue;
                }
                if (!isset($versions['versions'][$provide->getTarget()]['dev_requirement'])) {
                    $versions['versions'][$provide->getTarget()]['dev_requirement'] = $isDevPackage;
                } elseif (!$isDevPackage) {
                    $versions['versions'][$provide->getTarget()]['dev_requirement'] = false;
                }
                $provided = $provide->getPrettyConstraint();
                if ($provided === 'self.version') {
                    $provided = $package->getPrettyVersion();
                }
                if (!isset($versions['versions'][$provide->getTarget()]['provided']) || !in_array($provided, $versions['versions'][$provide->getTarget()]['provided'], true)) {
                    $versions['versions'][$provide->getTarget()]['provided'][] = $provided;
                }
            }
        }

        // add aliases
        foreach ($packages as $package) {
            if (!$package instanceof AliasPackage) {
                continue;
            }
            $versions['versions'][$package->getName()]['aliases'][] = $package->getPrettyVersion();
            if ($package instanceof RootPackageInterface) {
                $versions['root']['aliases'][] = $package->getPrettyVersion();
            }
        }

        ksort($versions['versions']);
        ksort($versions);

        return $versions;
    }
}
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