mirror of
https://github.com/renbaoshuo/S2OJ.git
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351 lines
15 KiB
PHP
351 lines
15 KiB
PHP
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer;
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use Composer\Autoload\ClassLoader;
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use Composer\Semver\VersionParser;
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/**
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* This class is copied in every Composer installed project and available to all
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*
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* See also https://getcomposer.org/doc/07-runtime.md#installed-versions
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*
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* To require its presence, you can require `composer-runtime-api ^2.0`
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*/
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class InstalledVersions
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{
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/**
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* @var mixed[]|null
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* @psalm-var array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}|array{}|null
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*/
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private static $installed;
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/**
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* @var bool|null
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*/
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private static $canGetVendors;
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/**
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* @var array[]
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* @psalm-var array<string, array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}>
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*/
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private static $installedByVendor = array();
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/**
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* Returns a list of all package names which are present, either by being installed, replaced or provided
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*
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* @return string[]
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* @psalm-return list<string>
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*/
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public static function getInstalledPackages()
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{
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$packages = array();
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foreach (self::getInstalled() as $installed) {
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$packages[] = array_keys($installed['versions']);
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}
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if (1 === \count($packages)) {
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return $packages[0];
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}
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return array_keys(array_flip(\call_user_func_array('array_merge', $packages)));
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}
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/**
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* Returns a list of all package names with a specific type e.g. 'library'
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*
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* @param string $type
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* @return string[]
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* @psalm-return list<string>
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*/
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public static function getInstalledPackagesByType($type)
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{
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$packagesByType = array();
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foreach (self::getInstalled() as $installed) {
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foreach ($installed['versions'] as $name => $package) {
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if (isset($package['type']) && $package['type'] === $type) {
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$packagesByType[] = $name;
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}
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}
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}
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return $packagesByType;
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}
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/**
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* Checks whether the given package is installed
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*
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* This also returns true if the package name is provided or replaced by another package
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*
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* @param string $packageName
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* @param bool $includeDevRequirements
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* @return bool
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*/
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public static function isInstalled($packageName, $includeDevRequirements = true)
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{
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foreach (self::getInstalled() as $installed) {
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if (isset($installed['versions'][$packageName])) {
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return $includeDevRequirements || empty($installed['versions'][$packageName]['dev_requirement']);
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}
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}
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return false;
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}
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/**
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* Checks whether the given package satisfies a version constraint
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*
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* e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:
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*
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* Composer\InstalledVersions::satisfies(new VersionParser, 'foo/bar', '^2.3')
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*
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* @param VersionParser $parser Install composer/semver to have access to this class and functionality
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* @param string $packageName
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* @param string|null $constraint A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package
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* @return bool
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*/
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public static function satisfies(VersionParser $parser, $packageName, $constraint)
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{
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$constraint = $parser->parseConstraints($constraint);
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$provided = $parser->parseConstraints(self::getVersionRanges($packageName));
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return $provided->matches($constraint);
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}
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/**
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* Returns a version constraint representing all the range(s) which are installed for a given package
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*
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* It is easier to use this via isInstalled() with the $constraint argument if you need to check
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* whether a given version of a package is installed, and not just whether it exists
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*
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* @param string $packageName
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* @return string Version constraint usable with composer/semver
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*/
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public static function getVersionRanges($packageName)
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{
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foreach (self::getInstalled() as $installed) {
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if (!isset($installed['versions'][$packageName])) {
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continue;
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}
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$ranges = array();
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if (isset($installed['versions'][$packageName]['pretty_version'])) {
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$ranges[] = $installed['versions'][$packageName]['pretty_version'];
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}
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if (array_key_exists('aliases', $installed['versions'][$packageName])) {
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$ranges = array_merge($ranges, $installed['versions'][$packageName]['aliases']);
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}
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if (array_key_exists('replaced', $installed['versions'][$packageName])) {
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$ranges = array_merge($ranges, $installed['versions'][$packageName]['replaced']);
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}
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if (array_key_exists('provided', $installed['versions'][$packageName])) {
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$ranges = array_merge($ranges, $installed['versions'][$packageName]['provided']);
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}
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return implode(' || ', $ranges);
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}
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throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
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}
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/**
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* @param string $packageName
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* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
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*/
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public static function getVersion($packageName)
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{
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foreach (self::getInstalled() as $installed) {
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if (!isset($installed['versions'][$packageName])) {
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continue;
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}
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if (!isset($installed['versions'][$packageName]['version'])) {
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return null;
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}
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return $installed['versions'][$packageName]['version'];
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}
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throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
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}
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/**
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* @param string $packageName
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* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as version, use satisfies or getVersionRanges if you need to know if a given version is present
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*/
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public static function getPrettyVersion($packageName)
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{
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foreach (self::getInstalled() as $installed) {
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if (!isset($installed['versions'][$packageName])) {
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continue;
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}
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if (!isset($installed['versions'][$packageName]['pretty_version'])) {
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return null;
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}
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return $installed['versions'][$packageName]['pretty_version'];
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}
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throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
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}
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/**
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* @param string $packageName
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* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as reference
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*/
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public static function getReference($packageName)
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{
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foreach (self::getInstalled() as $installed) {
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if (!isset($installed['versions'][$packageName])) {
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continue;
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}
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if (!isset($installed['versions'][$packageName]['reference'])) {
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return null;
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}
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return $installed['versions'][$packageName]['reference'];
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}
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throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
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}
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/**
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* @param string $packageName
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* @return string|null If the package is being replaced or provided but is not really installed, null will be returned as install path. Packages of type metapackages also have a null install path.
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*/
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public static function getInstallPath($packageName)
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{
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foreach (self::getInstalled() as $installed) {
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if (!isset($installed['versions'][$packageName])) {
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continue;
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}
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return isset($installed['versions'][$packageName]['install_path']) ? $installed['versions'][$packageName]['install_path'] : null;
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}
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throw new \OutOfBoundsException('Package "' . $packageName . '" is not installed');
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}
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/**
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* @return array
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* @psalm-return array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}
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*/
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public static function getRootPackage()
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{
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$installed = self::getInstalled();
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return $installed[0]['root'];
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}
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/**
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* Returns the raw installed.php data for custom implementations
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*
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* @deprecated Use getAllRawData() instead which returns all datasets for all autoloaders present in the process. getRawData only returns the first dataset loaded, which may not be what you expect.
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* @return array[]
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* @psalm-return array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}
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*/
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public static function getRawData()
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{
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@trigger_error('getRawData only returns the first dataset loaded, which may not be what you expect. Use getAllRawData() instead which returns all datasets for all autoloaders present in the process.', E_USER_DEPRECATED);
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if (null === self::$installed) {
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// only require the installed.php file if this file is loaded from its dumped location,
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// and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
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if (substr(__DIR__, -8, 1) !== 'C') {
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self::$installed = include __DIR__ . '/installed.php';
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} else {
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self::$installed = array();
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}
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}
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return self::$installed;
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}
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/**
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* Returns the raw data of all installed.php which are currently loaded for custom implementations
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*
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* @return array[]
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* @psalm-return list<array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}>
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*/
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public static function getAllRawData()
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{
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return self::getInstalled();
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}
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/**
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* Lets you reload the static array from another file
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*
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* This is only useful for complex integrations in which a project needs to use
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* this class but then also needs to execute another project's autoloader in process,
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* and wants to ensure both projects have access to their version of installed.php.
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*
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* A typical case would be PHPUnit, where it would need to make sure it reads all
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* the data it needs from this class, then call reload() with
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* `require $CWD/vendor/composer/installed.php` (or similar) as input to make sure
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* the project in which it runs can then also use this class safely, without
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* interference between PHPUnit's dependencies and the project's dependencies.
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*
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* @param array[] $data A vendor/composer/installed.php data set
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* @return void
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*
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* @psalm-param array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>} $data
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*/
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public static function reload($data)
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{
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self::$installed = $data;
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self::$installedByVendor = array();
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}
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/**
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* @return array[]
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* @psalm-return list<array{root: array{name: string, version: string, reference: string, pretty_version: string, aliases: string[], dev: bool, install_path: string, type: string}, versions: array<string, array{dev_requirement: bool, pretty_version?: string, version?: string, aliases?: string[], reference?: string, replaced?: string[], provided?: string[], install_path?: string, type?: string}>}>
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*/
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private static function getInstalled()
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{
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if (null === self::$canGetVendors) {
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self::$canGetVendors = method_exists('Composer\Autoload\ClassLoader', 'getRegisteredLoaders');
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}
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$installed = array();
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if (self::$canGetVendors) {
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foreach (ClassLoader::getRegisteredLoaders() as $vendorDir => $loader) {
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if (isset(self::$installedByVendor[$vendorDir])) {
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$installed[] = self::$installedByVendor[$vendorDir];
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} elseif (is_file($vendorDir.'/composer/installed.php')) {
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$installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
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if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) {
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self::$installed = $installed[count($installed) - 1];
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}
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}
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}
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}
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if (null === self::$installed) {
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// only require the installed.php file if this file is loaded from its dumped location,
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// and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
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if (substr(__DIR__, -8, 1) !== 'C') {
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self::$installed = require __DIR__ . '/installed.php';
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} else {
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self::$installed = array();
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}
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}
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$installed[] = self::$installed;
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return $installed;
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}
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}
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