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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Composer\Config\Package; |
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use Composer\Package\PackageInterface; |
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use Yiisoft\Composer\Config\Package; |
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final class PackageFinder |
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{ |
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/** |
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* Plain list of all project dependencies (including nested) as provided by composer. |
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* The list is unordered (chaotic, can be different after every update). |
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*/ |
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private array $plainList = []; |
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/** |
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* Ordered list of package in form: package => depth. |
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* For order description see {@see findPackages()}. |
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*/ |
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private array $orderedList = []; |
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private PackageInterface $rootPackage; |
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/** |
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* @var PackageInterface[] |
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*/ |
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private array $packages; |
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private string $vendorDir; |
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public function __construct(string $vendorDir, PackageInterface $rootPackage, array $packages) |
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{ |
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$this->rootPackage = $rootPackage; |
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$this->packages = $packages; |
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$this->vendorDir = $vendorDir; |
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} |
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/** |
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* Returns ordered list of packages: |
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* - Packages listed earlier in the composer.json will get earlier in the list. |
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* - Children are listed before parents. |
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* |
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* @return Package[] |
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*/ |
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public function findPackages(): array |
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{ |
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$root = new Package($this->rootPackage, $this->vendorDir); |
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$this->plainList[$root->getPrettyName()] = $root; |
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foreach ($this->packages as $package) { |
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$this->plainList[$package->getPrettyName()] = new Package($package, $this->vendorDir); |
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} |
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$this->orderedList = []; |
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$this->iteratePackage($root, true); |
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$result = []; |
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foreach (array_keys($this->orderedList) as $name) { |
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/** @psalm-var array-key $name */ |
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$result[] = $this->plainList[$name]; |
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} |
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return $result; |
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} |
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/** |
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* Iterates through package dependencies. |
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* |
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* @param Package $package to iterate. |
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* @param bool $includingDev process development dependencies, defaults to not process. |
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*/ |
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private function iteratePackage(Package $package, bool $includingDev = false): void |
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{ |
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$name = $package->getPrettyName(); |
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// prevent infinite loop in case of circular dependencies |
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static $processed = []; |
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if (array_key_exists($name, $processed)) { |
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return; |
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} |
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$processed[$name] = 1; |
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// package depth in dependency hierarchy |
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static $depth = 0; |
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++$depth; |
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$this->iterateDependencies($package); |
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if ($includingDev) { |
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$this->iterateDependencies($package, true); |
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} |
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if (!array_key_exists($name, $this->orderedList)) { |
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$this->orderedList[$name] = $depth; |
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} |
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--$depth; |
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} |
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/** |
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* Iterates dependencies of the given package. |
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* |
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* @param Package $package |
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* @param bool $dev type of dependencies to iterate: true - dev, default - general. |
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*/ |
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private function iterateDependencies(Package $package, bool $dev = false): void |
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{ |
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$dependencies = $dev ? $package->getDevRequires() : $package->getRequires(); |
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foreach (array_keys($dependencies) as $target) { |
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if (array_key_exists($target, $this->plainList) && empty($this->orderedList[$target])) { |
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$this->iteratePackage($this->plainList[$target]); |
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} |
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} |
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} |
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} |
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yiisoft /
composer-config-plugin
